Bug 468916 - Plasma Panel Visually Freezes
Summary: Plasma Panel Visually Freezes
Status: RESOLVED WORKSFORME
Alias: None
Product: plasmashell
Classification: Plasma
Component: Panel (show other bugs)
Version: 5.27.4
Platform: Gentoo Packages Linux
: NOR major
Target Milestone: 1.0
Assignee: Plasma Bugs List
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2023-04-24 17:53 UTC by mark
Modified: 2023-09-20 17:06 UTC (History)
3 users (show)

See Also:
Latest Commit:
Version Fixed In:

Attachments
Example of Replicating the Freezing Taskbar Defect (3.32 MB, video/webm)
2023-04-24 17:53 UTC, mark 		Details
Plasmashell hang backtraces (29.73 KB, application/gzip)
2023-07-06 07:31 UTC, Andrej Halveland 		Details
View All Add an attachment

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Description mark 2023-04-24 17:53:00 UTC 
Created attachment 158392 [details]
Example of Replicating the Freezing Taskbar Defect

SUMMARY
When this occurs, the Plasma panel becomes unresponsive. It no longer updates its information, including taskbar icon animations and hover states.
Neither the task manager nor the system clock updates (and one keeps thinking "ok, it's 16:30" when really it's 18:00).

I use the following commands to restart the plasma shell, which fixes the issue:
```
kquitapp5 plasmashell
kstart5 plasmashell
```

STEPS TO REPRODUCE
See attached video for an example.
1. Install Firefox.
2. Put it in the taskbar panel as an icon.
3. Move the mouse over Firefox in taskbar.
4. Immediately click, and do not move the mouse off the icon while the application loads.

OBSERVED RESULT
The panel freezes, mostly obviously in the fact that the Firefox icon will have a green loading spinner that is not moving. The clock will also not update, which is a serious issue as noted above.

EXPECTED RESULT
The panel does not freeze.

SOFTWARE/OS VERSIONS
Operating System: Gentoo Linux 2.13
KDE Plasma Version: 5.27.4
KDE Frameworks Version: 5.104.0
Qt Version: 5.15.9
Kernel Version: 6.1.19-gentoo--ZDY1ig-- (64-bit)
Graphics Platform: Wayland
Processors: 128 × AMD Ryzen Threadripper 3990X 64-Core Processor
Memory: 125.7 GiB of RAM
Graphics Processor: AMD Radeon RX 6950 XT
Manufacturer: ASUS

ADDITIONAL INFORMATION
See also 449163, in which I was told to open this new bug.
Comment 1 Nate Graham 2023-04-25 15:18:54 UTC 
Is this 100% reproducible for you by launching an app without moving the pointer off of it while it loads?

Also could you get a backtrace of what plasmashell is doing when it's hung?

1. Run `gdb attach $(pidof plasmashell)` in a terminal window
2. If it says "--Type <RET> for more, q to quit, c to continue without paging--" at the bottom of the terminal window, press the "c" key.
3. When you see a prompt that says "(gdb)", type "bt" and press the enter key
4. If it says "--Type <RET> for more, q to quit, c to continue without paging--" at the bottom of the terminal window, press the "c" key.
5. Copy-and-paste the contents of the terminal window into a comment here
Comment 2 mark 2023-04-25 16:20:16 UTC 
(In reply to Nate Graham from comment #1)
> Is this 100% reproducible for you by launching an app without moving the
> pointer off of it while it loads?
> 
> Also could you get a backtrace of what plasmashell is doing when it's hung?
> 
> 1. Run `gdb attach $(pidof plasmashell)` in a terminal window
> 2. If it says "--Type <RET> for more, q to quit, c to continue without
> paging--" at the bottom of the terminal window, press the "c" key.
> 3. When you see a prompt that says "(gdb)", type "bt" and press the enter key
> 4. If it says "--Type <RET> for more, q to quit, c to continue without
> paging--" at the bottom of the terminal window, press the "c" key.
> 5. Copy-and-paste the contents of the terminal window into a comment here

```
Attaching to process 3540
[New LWP 3556]
[New LWP 3557]
[New LWP 3558]
[New LWP 3588]
[New LWP 3595]
[New LWP 3597]
[New LWP 3598]
[New LWP 3611]
[New LWP 3612]
[New LWP 3689]
[New LWP 3782]
[New LWP 3787]
[New LWP 3923]
[New LWP 3924]
[New LWP 3925]
[New LWP 3926]
[New LWP 3927]
[New LWP 3929]
[New LWP 3932]
[New LWP 3933]
[New LWP 3934]
[New LWP 3935]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
0x00007f952212426f in poll () from /lib64/libc.so.6
(gdb) bt
#0  0x00007f952212426f in poll () at /lib64/libc.so.6
#1  0x00007f952104ffde in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f95210500fc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f95224d6096 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f952248281b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f952248aaf6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x0000557326e99a04 in  ()
#7  0x00007f952204c2ca in  () at /lib64/libc.so.6
#8  0x00007f952204c385 in __libc_start_main () at /lib64/libc.so.6
#9  0x0000557326e99c41 in  ()
(gdb)
```
Comment 3 mark 2023-04-25 16:21:51 UTC 
Oh, and this morning the reproduction rate is maybe 1/5. Yesterday it was happening every time I tried.
Comment 4 Nate Graham 2023-04-26 16:10:12 UTC 
Hmm, unfortunately that backtrace isn't very helpful. :/

The next time it happens, type "thread apply all bt" instead of "bt". This will show all threads, and hopefully one of the other ones will indicate something more actionable.
Comment 5 mark 2023-04-27 01:24:49 UTC 
Hope this gives you something to go on...:
```
Thread 23 (Thread 0x7fa19affd6c0 (LWP 11129) "Thread (pooled)"):
#0  0x00007fa4048ac625 in  () at /lib64/libc.so.6
#1  0x00007fa4048af159 in pthread_cond_timedwait () at /lib64/libc.so.6
#2  0x00007fa404ad14ac in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib64/libQt5Core.so.5
#3  0x00007fa404aced1b in  () at /usr/lib64/libQt5Core.so.5
#4  0x00007fa404acbba7 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#6  0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 22 (Thread 0x7fa213fff6c0 (LWP 11128) "Thread (pooled)"):
#0  0x00007fa4048ac625 in  () at /lib64/libc.so.6
#1  0x00007fa4048af159 in pthread_cond_timedwait () at /lib64/libc.so.6
#2  0x00007fa404ad14ac in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib64/libQt5Core.so.5
#3  0x00007fa404aced1b in  () at /usr/lib64/libQt5Core.so.5
#4  0x00007fa404acbba7 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#6  0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 21 (Thread 0x7fa14bfff6c0 (LWP 11127) "Thread (pooled)"):
#0  0x00007fa4048ac625 in  () at /lib64/libc.so.6
#1  0x00007fa4048af159 in pthread_cond_timedwait () at /lib64/libc.so.6
#2  0x00007fa404ad14ac in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib64/libQt5Core.so.5
#3  0x00007fa404aced1b in  () at /usr/lib64/libQt5Core.so.5
#4  0x00007fa404acbba7 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#6  0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 20 (Thread 0x7fa14ae6b6c0 (LWP 10088) "KIO::WorkerThre"):
#0  0x00007fa40492437d in ppoll () at /lib64/libc.so.6
#1  0x00007fa404cd23b9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007fa403df92f6 in  () at /usr/lib64/libQt5Network.so.5
#3  0x00007fa403df6f02 in  () at /usr/lib64/libQt5Network.so.5
#4  0x00007fa403de81c4 in QAbstractSocket::waitForReadyRead(int) () at /usr/lib64/libQt5Network.so.5
#5  0x00007fa4043c4efa in  () at /usr/lib64/libKF5KIOCore.so.5
#6  0x00007fa4044107db in KIO::SlaveBase::dispatchLoop() () at /usr/lib64/libKF5KIOCore.so.5
#7  0x00007fa4044ae2ae in  () at /usr/lib64/libKF5KIOCore.so.5
#8  0x00007fa404acbba7 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#10 0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 19 (Thread 0x7fa3b701d6c0 (LWP 10079) "KCupsConnection"):
#0  0x00007fa40492426f in poll () at /lib64/libc.so.6
#1  0x00007fa40384ffde in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fa4038500fc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fa404cd6096 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fa404c8281b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa404aca88a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fa3b519fa57 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#7  0x00007fa404acbba7 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#9  0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 18 (Thread 0x7fa3b7fff6c0 (LWP 10071) "KIO::WorkerThre"):
#0  0x00007fa40492437d in ppoll () at /lib64/libc.so.6
#1  0x00007fa404cd23b9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007fa403df92f6 in  () at /usr/lib64/libQt5Network.so.5
#3  0x00007fa403df6f02 in  () at /usr/lib64/libQt5Network.so.5
#4  0x00007fa403de81c4 in QAbstractSocket::waitForReadyRead(int) () at /usr/lib64/libQt5Network.so.5
#5  0x00007fa4043c4efa in  () at /usr/lib64/libKF5KIOCore.so.5
#6  0x00007fa4044107db in KIO::SlaveBase::dispatchLoop() () at /usr/lib64/libKF5KIOCore.so.5
#7  0x00007fa4044ae2ae in  () at /usr/lib64/libKF5KIOCore.so.5
#8  0x00007fa404acbba7 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#10 0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 17 (Thread 0x7fa3737fe6c0 (LWP 9954) "KIO::WorkerThre"):
#0  0x00007fa40492437d in ppoll () at /lib64/libc.so.6
#1  0x00007fa404cd23b9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007fa403df92f6 in  () at /usr/lib64/libQt5Network.so.5
#3  0x00007fa403df6f02 in  () at /usr/lib64/libQt5Network.so.5
#4  0x00007fa403de81c4 in QAbstractSocket::waitForReadyRead(int) () at /usr/lib64/libQt5Network.so.5
#5  0x00007fa4043c4efa in  () at /usr/lib64/libKF5KIOCore.so.5
#6  0x00007fa4044107db in KIO::SlaveBase::dispatchLoop() () at /usr/lib64/libKF5KIOCore.so.5
#7  0x00007fa4044ae2ae in  () at /usr/lib64/libKF5KIOCore.so.5
#8  0x00007fa404acbba7 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#10 0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 16 (Thread 0x7fa3af7fe6c0 (LWP 9940) "plasmash:gdrv0"):
#0  0x00007fa4048ac625 in  () at /lib64/libc.so.6
#1  0x00007fa4048aee32 in pthread_cond_wait () at /lib64/libc.so.6
#2  0x00007fa3fd8cb779 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa3fd87d13b in  () at /usr/lib64/dri/radeonsi_dri.so
#4  0x00007fa3fd8cb6b7 in  () at /usr/lib64/dri/radeonsi_dri.so
#5  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#6  0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 15 (Thread 0x7fa3affff6c0 (LWP 9939) "plasmash:gdrv0"):
#0  0x00007fa4048ac625 in  () at /lib64/libc.so.6
#1  0x00007fa4048aee32 in pthread_cond_wait () at /lib64/libc.so.6
#2  0x00007fa3fd8cb779 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa3fd87d13b in  () at /usr/lib64/dri/radeonsi_dri.so
#4  0x00007fa3fd8cb6b7 in  () at /usr/lib64/dri/radeonsi_dri.so
#5  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#6  0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 14 (Thread 0x7fa3c4fdd6c0 (LWP 9938) "KIO::WorkerThre"):
#0  0x00007fa40492437d in ppoll () at /lib64/libc.so.6
#1  0x00007fa404cd23b9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007fa403df92f6 in  () at /usr/lib64/libQt5Network.so.5
#3  0x00007fa403df6f02 in  () at /usr/lib64/libQt5Network.so.5
#4  0x00007fa403de81c4 in QAbstractSocket::waitForReadyRead(int) () at /usr/lib64/libQt5Network.so.5
#5  0x00007fa4043c4efa in  () at /usr/lib64/libKF5KIOCore.so.5
#6  0x00007fa4044107db in KIO::SlaveBase::dispatchLoop() () at /usr/lib64/libKF5KIOCore.so.5
#7  0x00007fa4044ae2ae in  () at /usr/lib64/libKF5KIOCore.so.5
#8  0x00007fa404acbba7 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#10 0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 13 (Thread 0x7fa3c5ffe6c0 (LWP 9936) "QQuickPixmapRea"):
#0  0x00007fa40492426f in poll () at /lib64/libc.so.6
#1  0x00007fa40384ffde in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fa4038500fc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fa404cd6096 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fa404c8281b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa404aca88a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fa406756ba6 in  () at /usr/lib64/libQt5Quick.so.5
#7  0x00007fa404acbba7 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#9  0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 12 (Thread 0x7fa3c67ff6c0 (LWP 9932) "KIO::WorkerThre"):
#0  0x00007fa40492437d in ppoll () at /lib64/libc.so.6
#1  0x00007fa404cd23b9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007fa403df92f6 in  () at /usr/lib64/libQt5Network.so.5
#3  0x00007fa403df6f02 in  () at /usr/lib64/libQt5Network.so.5
#4  0x00007fa403de81c4 in QAbstractSocket::waitForReadyRead(int) () at /usr/lib64/libQt5Network.so.5
#5  0x00007fa4043c4efa in  () at /usr/lib64/libKF5KIOCore.so.5
#6  0x00007fa4044107db in KIO::SlaveBase::dispatchLoop() () at /usr/lib64/libKF5KIOCore.so.5
#7  0x00007fa4044ae2ae in  () at /usr/lib64/libKF5KIOCore.so.5
#8  0x00007fa404acbba7 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#10 0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 11 (Thread 0x7fa3e1bff6c0 (LWP 9922) "QQmlThread"):
#0  0x00007fa40492426f in poll () at /lib64/libc.so.6
#1  0x00007fa40384ffde in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fa4038500fc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fa404cd6096 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fa404c8281b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa404aca88a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fa406331355 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007fa404acbba7 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#9  0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 10 (Thread 0x7fa3e2ffd6c0 (LWP 9921) "plasmash:gdrv0"):
#0  0x00007fa4048ac625 in  () at /lib64/libc.so.6
#1  0x00007fa4048aee32 in pthread_cond_wait () at /lib64/libc.so.6
#2  0x00007fa3fd8cb779 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa3fd87d13b in  () at /usr/lib64/dri/radeonsi_dri.so
#4  0x00007fa3fd8cb6b7 in  () at /usr/lib64/dri/radeonsi_dri.so
#5  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#6  0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 9 (Thread 0x7fa3e37fe6c0 (LWP 9920) "plasmash:gdrv0"):
#0  0x00007fa4048ac625 in  () at /lib64/libc.so.6
#1  0x00007fa4048aee32 in pthread_cond_wait () at /lib64/libc.so.6
#2  0x00007fa3fd8cb779 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa3fd87d13b in  () at /usr/lib64/dri/radeonsi_dri.so
#4  0x00007fa3fd8cb6b7 in  () at /usr/lib64/dri/radeonsi_dri.so
#5  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#6  0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 8 (Thread 0x7fa3e3fff6c0 (LWP 9917) "plasmash:shlo0"):
#0  0x00007fa4048ac625 in  () at /lib64/libc.so.6
#1  0x00007fa4048aee32 in pthread_cond_wait () at /lib64/libc.so.6
#2  0x00007fa3fd8cb779 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa3fd87d13b in  () at /usr/lib64/dri/radeonsi_dri.so
#4  0x00007fa3fd8cb6b7 in  () at /usr/lib64/dri/radeonsi_dri.so
#5  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#6  0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 7 (Thread 0x7fa3e8bff6c0 (LWP 9916) "plasmashel:sh0"):
#0  0x00007fa4048ac625 in  () at /lib64/libc.so.6
#1  0x00007fa4048aee32 in pthread_cond_wait () at /lib64/libc.so.6
#2  0x00007fa3fd8cb779 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa3fd87d13b in  () at /usr/lib64/dri/radeonsi_dri.so
#4  0x00007fa3fd8cb6b7 in  () at /usr/lib64/dri/radeonsi_dri.so
#5  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#6  0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 6 (Thread 0x7fa3fcd4f6c0 (LWP 9915) "plasmas:disk$0"):
#0  0x00007fa4048ac625 in  () at /lib64/libc.so.6
#1  0x00007fa4048aee32 in pthread_cond_wait () at /lib64/libc.so.6
#2  0x00007fa3fd8cb779 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa3fd87d13b in  () at /usr/lib64/dri/radeonsi_dri.so
#4  0x00007fa3fd8cb6b7 in  () at /usr/lib64/dri/radeonsi_dri.so
#5  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#6  0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 5 (Thread 0x7fa3fd6916c0 (LWP 9914) "plasmashel:cs0"):
#0  0x00007fa4048ac625 in  () at /lib64/libc.so.6
#1  0x00007fa4048aee32 in pthread_cond_wait () at /lib64/libc.so.6
#2  0x00007fa3fd8cb779 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa3fd87d13b in  () at /usr/lib64/dri/radeonsi_dri.so
#4  0x00007fa3fd8cb6b7 in  () at /usr/lib64/dri/radeonsi_dri.so
#5  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#6  0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 4 (Thread 0x7fa3ff1e06c0 (LWP 9913) "WaylandEventThr"):
#0  0x00007fa40492426f in poll () at /lib64/libc.so.6
#1  0x00007fa4065276be in  () at /usr/lib64/libQt5WaylandClient.so.5
#2  0x00007fa404acbba7 in  () at /usr/lib64/libQt5Core.so.5
#3  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#4  0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 3 (Thread 0x7fa3ff9e16c0 (LWP 9912) "WaylandEventThr"):
#0  0x00007fa40492426f in poll () at /lib64/libc.so.6
#1  0x00007fa4065276be in  () at /usr/lib64/libQt5WaylandClient.so.5
#2  0x00007fa404acbba7 in  () at /usr/lib64/libQt5Core.so.5
#3  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#4  0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 2 (Thread 0x7fa4003ff6c0 (LWP 9910) "QDBusConnection"):
#0  0x00007fa40492426f in poll () at /lib64/libc.so.6
#1  0x00007fa40384ffde in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fa4038500fc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fa404cd6096 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fa404c8281b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa404aca88a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fa4056b6517 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007fa404acbba7 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fa4048afab3 in  () at /lib64/libc.so.6
#9  0x00007fa404931d2c in  () at /lib64/libc.so.6

Thread 1 (Thread 0x7fa403002800 (LWP 9909) "plasmashell"):
#0  0x00007fa40492426f in poll () at /lib64/libc.so.6
#1  0x00007fa40384ffde in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fa4038500fc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fa404cd6096 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fa404c8281b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa404c8aaf6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x000055936430ea04 in  ()
#7  0x00007fa40484c2ca in  () at /lib64/libc.so.6
#8  0x00007fa40484c385 in __libc_start_main () at /lib64/libc.so.6
#9  0x000055936430ec41 in  ()
```
Comment 6 Nate Graham 2023-04-27 15:13:55 UTC 
Thanks. Hopefully someone with more advanced dev skills than me can help further.
Comment 7 mark 2023-04-28 04:54:15 UTC 
Sorry, those callstacks were pretty useless. I rebuilt my system with debug information. Here's a new set of callstacks, now with symbols:

```
Thread 19 (Thread 0x7f4959d976c0 (LWP 3952) "KIO::WorkerThre"):
#0  0x00007f49a1b2433d in __ppoll (fds=fds@entry=0x7f4959d96b48, nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:42
#1  0x00007f49a1ed2fd9 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qcore_unix.cpp:129
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f4959d96b48) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qcore_unix.cpp:132
#3  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f4959d96b48) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qcore_unix.cpp:129
#4  qt_safe_poll(pollfd*, unsigned long, timespec const*) (fds=fds@entry=0x7f4959d96b48, nfds=nfds@entry=1, timeout_ts=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qcore_unix.cpp:155
#5  0x00007f49a0ff92f6 in qt_poll_msecs (nfds=1, timeout=<optimized out>, fds=0x7f4959d96b48) at /usr/include/qt5/QtCore/5.15.9/QtCore/private/qcore_unix_p.h:381
#6  QNativeSocketEnginePrivate::nativeSelect(int, bool, bool, bool*, bool*) const (this=this@entry=0x7f46e4003b30, timeout=<optimized out>, checkRead=checkRead@entry=true, checkWrite=checkWrite@entry=false, selectForRead=selectForRead@entry=0x7f4959d96c26, selectForWrite=0x7f4959d96c27) at /usr/src/debug/dev-qt/qtnetwork-5.15.9/qtbase-everywhere-src-5.15.9/src/network/socket/qnativesocketengine_unix.cpp:1436
#7  0x00007f49a0ff6f02 in QNativeSocketEngine::waitForReadOrWrite(bool*, bool*, bool, bool, int, bool*) (this=0x7f46e4004f80, readyToRead=0x7f4959d96c26, readyToWrite=<optimized out>, checkRead=<optimized out>, checkWrite=<optimized out>, msecs=<optimized out>, timedOut=0x0) at /usr/src/debug/dev-qt/qtnetwork-5.15.9/qtbase-everywhere-src-5.15.9/src/network/socket/qnativesocketengine.cpp:1120
#8  0x00007f49a0fe81c4 in QAbstractSocket::waitForReadyRead(int) (this=0x7f46e4001cc0, msecs=-1) at /usr/src/debug/dev-qt/qtnetwork-5.15.9/qtbase-everywhere-src-5.15.9/src/network/socket/qabstractsocket.cpp:2293
#9  0x00007f49a15c4efa in KIO::ConnectionBackend::waitForIncomingTask(int) (this=0x7f46e40049c0, ms=-1) at /usr/src/debug/kde-frameworks/kio-5.104.0-r3/kio-5.104.0/src/core/connectionbackend.cpp:155
#10 0x00007f49a15c5d25 in KIO::Connection::waitForIncomingTask(int) (this=<optimized out>, ms=ms@entry=-1) at /usr/src/debug/kde-frameworks/kio-5.104.0-r3/kio-5.104.0/src/core/connection.cpp:201
#11 0x00007f49a16107db in KIO::SlaveBase::dispatchLoop() (this=0x7f46e40041b0) at /usr/lib/gcc/x86_64-pc-linux-gnu/12/include/g++-v12/bits/unique_ptr.h:191
#12 0x00007f49a16ae2ae in KIO::WorkerThread::run() (this=0x5625a0086250) at /usr/src/debug/kde-frameworks/kio-5.104.0-r3/kio-5.104.0/src/core/workerthread.cpp:62
#13 0x00007f49a1ccbc27 in operator() (__closure=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:350
#14 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:287
#15 QThreadPrivate::start(void*) (arg=0x5625a0086250) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:310
#16 0x00007f49a1aaecc3 in start_thread (arg=<optimized out>) at pthread_create.c:442
#17 0x00007f49a1b31cec in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 18 (Thread 0x7f470effd6c0 (LWP 3951) "KIO::WorkerThre"):
#0  0x00007f49a1b2433d in __ppoll (fds=fds@entry=0x7f470effcb48, nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:42
#1  0x00007f49a1ed2fd9 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qcore_unix.cpp:129
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f470effcb48) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qcore_unix.cpp:132
#3  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f470effcb48) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qcore_unix.cpp:129
#4  qt_safe_poll(pollfd*, unsigned long, timespec const*) (fds=fds@entry=0x7f470effcb48, nfds=nfds@entry=1, timeout_ts=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qcore_unix.cpp:155
#5  0x00007f49a0ff92f6 in qt_poll_msecs (nfds=1, timeout=<optimized out>, fds=0x7f470effcb48) at /usr/include/qt5/QtCore/5.15.9/QtCore/private/qcore_unix_p.h:381
#6  QNativeSocketEnginePrivate::nativeSelect(int, bool, bool, bool*, bool*) const (this=this@entry=0x7f46f0003f30, timeout=<optimized out>, checkRead=checkRead@entry=true, checkWrite=checkWrite@entry=false, selectForRead=selectForRead@entry=0x7f470effcc26, selectForWrite=0x7f470effcc27) at /usr/src/debug/dev-qt/qtnetwork-5.15.9/qtbase-everywhere-src-5.15.9/src/network/socket/qnativesocketengine_unix.cpp:1436
#7  0x00007f49a0ff6f02 in QNativeSocketEngine::waitForReadOrWrite(bool*, bool*, bool, bool, int, bool*) (this=0x7f46f0005fe0, readyToRead=0x7f470effcc26, readyToWrite=<optimized out>, checkRead=<optimized out>, checkWrite=<optimized out>, msecs=<optimized out>, timedOut=0x0) at /usr/src/debug/dev-qt/qtnetwork-5.15.9/qtbase-everywhere-src-5.15.9/src/network/socket/qnativesocketengine.cpp:1120
#8  0x00007f49a0fe81c4 in QAbstractSocket::waitForReadyRead(int) (this=0x7f46f0001cc0, msecs=-1) at /usr/src/debug/dev-qt/qtnetwork-5.15.9/qtbase-everywhere-src-5.15.9/src/network/socket/qabstractsocket.cpp:2293
#9  0x00007f49a15c4efa in KIO::ConnectionBackend::waitForIncomingTask(int) (this=0x7f46f0005a20, ms=-1) at /usr/src/debug/kde-frameworks/kio-5.104.0-r3/kio-5.104.0/src/core/connectionbackend.cpp:155
#10 0x00007f49a15c5d25 in KIO::Connection::waitForIncomingTask(int) (this=<optimized out>, ms=ms@entry=-1) at /usr/src/debug/kde-frameworks/kio-5.104.0-r3/kio-5.104.0/src/core/connection.cpp:201
#11 0x00007f49a16107db in KIO::SlaveBase::dispatchLoop() (this=0x7f46f0005210) at /usr/lib/gcc/x86_64-pc-linux-gnu/12/include/g++-v12/bits/unique_ptr.h:191
#12 0x00007f49a16ae2ae in KIO::WorkerThread::run() (this=0x56259f029020) at /usr/src/debug/kde-frameworks/kio-5.104.0-r3/kio-5.104.0/src/core/workerthread.cpp:62
#13 0x00007f49a1ccbc27 in operator() (__closure=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:350
#14 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:287
#15 QThreadPrivate::start(void*) (arg=0x56259f029020) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:310
#16 0x00007f49a1aaecc3 in start_thread (arg=<optimized out>) at pthread_create.c:442
#17 0x00007f49a1b31cec in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 17 (Thread 0x7f470f7fe6c0 (LWP 3945) "KCupsConnection"):
#0  0x00007f49a1b2422f in __GI___poll (fds=0x7f46ec0029e0, nfds=1, timeout=3499927) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f49a0a4f09e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f46ec0029e0, timeout=<optimized out>, context=0x7f46ec000c30) at ../glib-2.74.6/glib/gmain.c:4553
#2  g_main_context_iterate (context=context@entry=0x7f46ec000c30, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib-2.74.6/glib/gmain.c:4243
#3  0x00007f49a0a4f1bc in g_main_context_iteration (context=0x7f46ec000c30, may_block=1) at ../glib-2.74.6/glib/gmain.c:4313
--Type <RET> for more, q to quit, c to continue without paging--c
/corelib/kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f49a1e8394b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f470f7fdd50, flags=..., flags@entry=...) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/include/QtCore/../../src/corelib/global/qflags.h:69
#6  0x00007f49a1cca90a in QThread::exec() (this=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f494c43aa57 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#8  0x00007f49a1ccbc27 in operator() (__closure=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:350
#9  (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:287
#10 QThreadPrivate::start(void*) (arg=0x56259fd368d0) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:310
#11 0x00007f49a1aaecc3 in start_thread (arg=<optimized out>) at pthread_create.c:442
#12 0x00007f49a1b31cec in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 16 (Thread 0x7f4958c8f6c0 (LWP 3943) "KIO::WorkerThre"):
#0  0x00007f49a1b2433d in __ppoll (fds=fds@entry=0x7f4958c8eb48, nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:42
#1  0x00007f49a1ed2fd9 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qcore_unix.cpp:129
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f4958c8eb48) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qcore_unix.cpp:132
#3  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f4958c8eb48) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qcore_unix.cpp:129
#4  qt_safe_poll(pollfd*, unsigned long, timespec const*) (fds=fds@entry=0x7f4958c8eb48, nfds=nfds@entry=1, timeout_ts=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qcore_unix.cpp:155
#5  0x00007f49a0ff92f6 in qt_poll_msecs (nfds=1, timeout=<optimized out>, fds=0x7f4958c8eb48) at /usr/include/qt5/QtCore/5.15.9/QtCore/private/qcore_unix_p.h:381
#6  QNativeSocketEnginePrivate::nativeSelect(int, bool, bool, bool*, bool*) const (this=this@entry=0x7f46f8003b30, timeout=<optimized out>, checkRead=checkRead@entry=true, checkWrite=checkWrite@entry=false, selectForRead=selectForRead@entry=0x7f4958c8ec26, selectForWrite=0x7f4958c8ec27) at /usr/src/debug/dev-qt/qtnetwork-5.15.9/qtbase-everywhere-src-5.15.9/src/network/socket/qnativesocketengine_unix.cpp:1436
#7  0x00007f49a0ff6f02 in QNativeSocketEngine::waitForReadOrWrite(bool*, bool*, bool, bool, int, bool*) (this=0x7f46f80057b0, readyToRead=0x7f4958c8ec26, readyToWrite=<optimized out>, checkRead=<optimized out>, checkWrite=<optimized out>, msecs=<optimized out>, timedOut=0x0) at /usr/src/debug/dev-qt/qtnetwork-5.15.9/qtbase-everywhere-src-5.15.9/src/network/socket/qnativesocketengine.cpp:1120
#8  0x00007f49a0fe81c4 in QAbstractSocket::waitForReadyRead(int) (this=0x7f46f8001cc0, msecs=-1) at /usr/src/debug/dev-qt/qtnetwork-5.15.9/qtbase-everywhere-src-5.15.9/src/network/socket/qabstractsocket.cpp:2293
#9  0x00007f49a15c4efa in KIO::ConnectionBackend::waitForIncomingTask(int) (this=0x7f46f80051f0, ms=-1) at /usr/src/debug/kde-frameworks/kio-5.104.0-r3/kio-5.104.0/src/core/connectionbackend.cpp:155
#10 0x00007f49a15c5d25 in KIO::Connection::waitForIncomingTask(int) (this=<optimized out>, ms=ms@entry=-1) at /usr/src/debug/kde-frameworks/kio-5.104.0-r3/kio-5.104.0/src/core/connection.cpp:201
#11 0x00007f49a16107db in KIO::SlaveBase::dispatchLoop() (this=0x7f46f80049e0) at /usr/lib/gcc/x86_64-pc-linux-gnu/12/include/g++-v12/bits/unique_ptr.h:191
#12 0x00007f49a16ae2ae in KIO::WorkerThread::run() (this=0x56259e017660) at /usr/src/debug/kde-frameworks/kio-5.104.0-r3/kio-5.104.0/src/core/workerthread.cpp:62
#13 0x00007f49a1ccbc27 in operator() (__closure=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:350
#14 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:287
#15 QThreadPrivate::start(void*) (arg=0x56259e017660) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:310
#16 0x00007f49a1aaecc3 in start_thread (arg=<optimized out>) at pthread_create.c:442
#17 0x00007f49a1b31cec in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 15 (Thread 0x7f495b0316c0 (LWP 3942) "plasmash:gdrv0"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x56259eee4300) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x56259eee4300, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f49a1aab8eb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x56259eee4300, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f49a1aae042 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56259eee42b0, cond=0x56259eee42d8) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x56259eee42d8, mutex=0x56259eee42b0) at pthread_cond_wait.c:618
#5  0x00007f49966cb759 in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../mesa-22.3.7/src/c11/impl/threads_posix.c:135
#6  0x00007f499667d40b in util_queue_thread_func (input=input@entry=0x56259edebb20) at ../mesa-22.3.7/src/util/u_queue.c:290
#7  0x00007f49966cb697 in impl_thrd_routine (p=<optimized out>) at ../mesa-22.3.7/src/c11/impl/threads_posix.c:67
#8  0x00007f49a1aaecc3 in start_thread (arg=<optimized out>) at pthread_create.c:442
#9  0x00007f49a1b31cec in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 14 (Thread 0x7f495bfff6c0 (LWP 3941) "plasmash:gdrv0"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x56259ee2b504) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x56259ee2b504, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f49a1aab8eb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x56259ee2b504, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f49a1aae042 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56259ee2b4b0, cond=0x56259ee2b4d8) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x56259ee2b4d8, mutex=0x56259ee2b4b0) at pthread_cond_wait.c:618
#5  0x00007f49966cb759 in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../mesa-22.3.7/src/c11/impl/threads_posix.c:135
#6  0x00007f499667d40b in util_queue_thread_func (input=input@entry=0x56259e4d79b0) at ../mesa-22.3.7/src/util/u_queue.c:290
#7  0x00007f49966cb697 in impl_thrd_routine (p=<optimized out>) at ../mesa-22.3.7/src/c11/impl/threads_posix.c:67
#8  0x00007f49a1aaecc3 in start_thread (arg=<optimized out>) at pthread_create.c:442
#9  0x00007f49a1b31cec in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 13 (Thread 0x7f49669df6c0 (LWP 3805) "KIO::WorkerThre"):
#0  0x00007f49a1b2433d in __ppoll (fds=fds@entry=0x7f49669deb48, nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:42
#1  0x00007f49a1ed2fd9 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qcore_unix.cpp:129
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f49669deb48) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qcore_unix.cpp:132
#3  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f49669deb48) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qcore_unix.cpp:129
#4  qt_safe_poll(pollfd*, unsigned long, timespec const*) (fds=fds@entry=0x7f49669deb48, nfds=nfds@entry=1, timeout_ts=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qcore_unix.cpp:155
#5  0x00007f49a0ff92f6 in qt_poll_msecs (nfds=1, timeout=<optimized out>, fds=0x7f49669deb48) at /usr/include/qt5/QtCore/5.15.9/QtCore/private/qcore_unix_p.h:381
#6  QNativeSocketEnginePrivate::nativeSelect(int, bool, bool, bool*, bool*) const (this=this@entry=0x7f4950003f30, timeout=<optimized out>, checkRead=checkRead@entry=true, checkWrite=checkWrite@entry=false, selectForRead=selectForRead@entry=0x7f49669dec26, selectForWrite=0x7f49669dec27) at /usr/src/debug/dev-qt/qtnetwork-5.15.9/qtbase-everywhere-src-5.15.9/src/network/socket/qnativesocketengine_unix.cpp:1436
#7  0x00007f49a0ff6f02 in QNativeSocketEngine::waitForReadOrWrite(bool*, bool*, bool, bool, int, bool*) (this=0x7f49500060a0, readyToRead=0x7f49669dec26, readyToWrite=<optimized out>, checkRead=<optimized out>, checkWrite=<optimized out>, msecs=<optimized out>, timedOut=0x0) at /usr/src/debug/dev-qt/qtnetwork-5.15.9/qtbase-everywhere-src-5.15.9/src/network/socket/qnativesocketengine.cpp:1120
#8  0x00007f49a0fe81c4 in QAbstractSocket::waitForReadyRead(int) (this=0x7f4950001cc0, msecs=-1) at /usr/src/debug/dev-qt/qtnetwork-5.15.9/qtbase-everywhere-src-5.15.9/src/network/socket/qabstractsocket.cpp:2293
#9  0x00007f49a15c4efa in KIO::ConnectionBackend::waitForIncomingTask(int) (this=0x7f4950005a20, ms=-1) at /usr/src/debug/kde-frameworks/kio-5.104.0-r3/kio-5.104.0/src/core/connectionbackend.cpp:155
#10 0x00007f49a15c5d25 in KIO::Connection::waitForIncomingTask(int) (this=<optimized out>, ms=ms@entry=-1) at /usr/src/debug/kde-frameworks/kio-5.104.0-r3/kio-5.104.0/src/core/connection.cpp:201
#11 0x00007f49a16107db in KIO::SlaveBase::dispatchLoop() (this=0x7f4950005210) at /usr/lib/gcc/x86_64-pc-linux-gnu/12/include/g++-v12/bits/unique_ptr.h:191
#12 0x00007f49a16ae2ae in KIO::WorkerThread::run() (this=0x56259e21f570) at /usr/src/debug/kde-frameworks/kio-5.104.0-r3/kio-5.104.0/src/core/workerthread.cpp:62
#13 0x00007f49a1ccbc27 in operator() (__closure=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:350
#14 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:287
#15 QThreadPrivate::start(void*) (arg=0x56259e21f570) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:310
#16 0x00007f49a1aaecc3 in start_thread (arg=<optimized out>) at pthread_create.c:442
#17 0x00007f49a1b31cec in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 12 (Thread 0x7f49679ff6c0 (LWP 3801) "QQuickPixmapRea"):
#0  0x00007f49a1b2422f in __GI___poll (fds=0x7f495c005400, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f49a0a4f09e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f495c005400, timeout=<optimized out>, context=0x7f495c000c30) at ../glib-2.74.6/glib/gmain.c:4553
#2  g_main_context_iterate (context=context@entry=0x7f495c000c30, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib-2.74.6/glib/gmain.c:4243
#3  0x00007f49a0a4f1bc in g_main_context_iteration (context=0x7f495c000c30, may_block=1) at ../glib-2.74.6/glib/gmain.c:4313
#4  0x00007f49a1ed6cb6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f495c000b70, flags=...) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f49a1e8394b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f49679fed50, flags=..., flags@entry=...) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/include/QtCore/../../src/corelib/global/qflags.h:69
#6  0x00007f49a1cca90a in QThread::exec() (this=this@entry=0x56259e467d00) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f49a3956ba6 in QQuickPixmapReader::run() (this=0x56259e467d00) at /usr/src/debug/dev-qt/qtdeclarative-5.15.9/qtdeclarative-everywhere-src-5.15.9/src/quick/util/qquickpixmapcache.cpp:1024
#8  0x00007f49a1ccbc27 in operator() (__closure=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:350
#9  (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:287
#10 QThreadPrivate::start(void*) (arg=0x56259e467d00) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:310
#11 0x00007f49a1aaecc3 in start_thread (arg=<optimized out>) at pthread_create.c:442
#12 0x00007f49a1b31cec in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 11 (Thread 0x7f4972bff6c0 (LWP 3709) "QQmlThread"):
#0  0x00007f49a1b2422f in __GI___poll (fds=0x7f49600029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f49a0a4f09e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f49600029e0, timeout=<optimized out>, context=0x7f4960000c30) at ../glib-2.74.6/glib/gmain.c:4553
#2  g_main_context_iterate (context=context@entry=0x7f4960000c30, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib-2.74.6/glib/gmain.c:4243
#3  0x00007f49a0a4f1bc in g_main_context_iteration (context=0x7f4960000c30, may_block=1) at ../glib-2.74.6/glib/gmain.c:4313
#4  0x00007f49a1ed6cb6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f4960000b70, flags=...) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f49a1e8394b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f4972bfed70, flags=..., flags@entry=...) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/include/QtCore/../../src/corelib/global/qflags.h:69
#6  0x00007f49a1cca90a in QThread::exec() (this=this@entry=0x56259d56f850) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f49a3531355 in QQmlThreadPrivate::run() (this=0x56259d56f850) at /usr/src/debug/dev-qt/qtdeclarative-5.15.9/qtdeclarative-everywhere-src-5.15.9/src/qml/qml/ftw/qqmlthread.cpp:155
#8  0x00007f49a1ccbc27 in operator() (__closure=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:350
#9  (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:287
#10 QThreadPrivate::start(void*) (arg=0x56259d56f850) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:310
#11 0x00007f49a1aaecc3 in start_thread (arg=<optimized out>) at pthread_create.c:442
#12 0x00007f49a1b31cec in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 10 (Thread 0x7f4973fff6c0 (LWP 3640) "plasmash:gdrv0"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x56259d299fd0) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x56259d299fd0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f49a1aab8eb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x56259d299fd0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f49a1aae042 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56259d299f80, cond=0x56259d299fa8) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x56259d299fa8, mutex=0x56259d299f80) at pthread_cond_wait.c:618
#5  0x00007f49966cb759 in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../mesa-22.3.7/src/c11/impl/threads_posix.c:135
#6  0x00007f499667d40b in util_queue_thread_func (input=input@entry=0x56259d21bbc0) at ../mesa-22.3.7/src/util/u_queue.c:290
#7  0x00007f49966cb697 in impl_thrd_routine (p=<optimized out>) at ../mesa-22.3.7/src/c11/impl/threads_posix.c:67
#8  0x00007f49a1aaecc3 in start_thread (arg=<optimized out>) at pthread_create.c:442
#9  0x00007f49a1b31cec in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 9 (Thread 0x7f4980bff6c0 (LWP 3639) "plasmash:gdrv0"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x56259d1533d0) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x56259d1533d0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f49a1aab8eb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x56259d1533d0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f49a1aae042 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56259d153380, cond=0x56259d1533a8) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x56259d1533a8, mutex=0x56259d153380) at pthread_cond_wait.c:618
#5  0x00007f49966cb759 in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../mesa-22.3.7/src/c11/impl/threads_posix.c:135
#6  0x00007f499667d40b in util_queue_thread_func (input=input@entry=0x56259d1e78d0) at ../mesa-22.3.7/src/util/u_queue.c:290
#7  0x00007f49966cb697 in impl_thrd_routine (p=<optimized out>) at ../mesa-22.3.7/src/c11/impl/threads_posix.c:67
#8  0x00007f49a1aaecc3 in start_thread (arg=<optimized out>) at pthread_create.c:442
#9  0x00007f49a1b31cec in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 8 (Thread 0x7f4994dfc6c0 (LWP 3628) "plasmash:shlo0"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x56259d071450) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x56259d071450, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f49a1aab8eb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x56259d071450, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f49a1aae042 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56259d071400, cond=0x56259d071428) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x56259d071428, mutex=0x56259d071400) at pthread_cond_wait.c:618
#5  0x00007f49966cb759 in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../mesa-22.3.7/src/c11/impl/threads_posix.c:135
#6  0x00007f499667d40b in util_queue_thread_func (input=input@entry=0x56259d0e08a0) at ../mesa-22.3.7/src/util/u_queue.c:290
#7  0x00007f49966cb697 in impl_thrd_routine (p=<optimized out>) at ../mesa-22.3.7/src/c11/impl/threads_posix.c:67
#8  0x00007f49a1aaecc3 in start_thread (arg=<optimized out>) at pthread_create.c:442
#9  0x00007f49a1b31cec in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 7 (Thread 0x7f49955fd6c0 (LWP 3626) "plasmashel:sh0"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x56259d070ee4) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x56259d070ee4, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f49a1aab8eb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x56259d070ee4, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f49a1aae042 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56259d070e90, cond=0x56259d070eb8) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x56259d070eb8, mutex=0x56259d070e90) at pthread_cond_wait.c:618
#5  0x00007f49966cb759 in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../mesa-22.3.7/src/c11/impl/threads_posix.c:135
#6  0x00007f499667d40b in util_queue_thread_func (input=input@entry=0x56259d0e05d0) at ../mesa-22.3.7/src/util/u_queue.c:290
#7  0x00007f49966cb697 in impl_thrd_routine (p=<optimized out>) at ../mesa-22.3.7/src/c11/impl/threads_posix.c:67
#8  0x00007f49a1aaecc3 in start_thread (arg=<optimized out>) at pthread_create.c:442
#9  0x00007f49a1b31cec in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 6 (Thread 0x7f4995dfe6c0 (LWP 3623) "plasmas:disk$0"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x56259d063478) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x56259d063478, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f49a1aab8eb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x56259d063478, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f49a1aae042 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56259d063428, cond=0x56259d063450) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x56259d063450, mutex=0x56259d063428) at pthread_cond_wait.c:618
#5  0x00007f49966cb759 in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../mesa-22.3.7/src/c11/impl/threads_posix.c:135
#6  0x00007f499667d40b in util_queue_thread_func (input=input@entry=0x56259d0a7500) at ../mesa-22.3.7/src/util/u_queue.c:290
#7  0x00007f49966cb697 in impl_thrd_routine (p=<optimized out>) at ../mesa-22.3.7/src/c11/impl/threads_posix.c:67
#8  0x00007f49a1aaecc3 in start_thread (arg=<optimized out>) at pthread_create.c:442
#9  0x00007f49a1b31cec in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 5 (Thread 0x7f49965ff6c0 (LWP 3616) "plasmashel:cs0"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x56259d06315c) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x56259d06315c, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f49a1aab8eb in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x56259d06315c, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f49a1aae042 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56259d063108, cond=0x56259d063130) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x56259d063130, mutex=0x56259d063108) at pthread_cond_wait.c:618
#5  0x00007f49966cb759 in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../mesa-22.3.7/src/c11/impl/threads_posix.c:135
#6  0x00007f499667d40b in util_queue_thread_func (input=input@entry=0x56259d063f10) at ../mesa-22.3.7/src/util/u_queue.c:290
#7  0x00007f49966cb697 in impl_thrd_routine (p=<optimized out>) at ../mesa-22.3.7/src/c11/impl/threads_posix.c:67
#8  0x00007f49a1aaecc3 in start_thread (arg=<optimized out>) at pthread_create.c:442
#9  0x00007f49a1b31cec in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 4 (Thread 0x7f4997fff6c0 (LWP 3580) "WaylandEventThr"):
#0  0x00007f49a1b2422f in __GI___poll (fds=fds@entry=0x7f4997ffed80, nfds=nfds@entry=2, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f49a37276be in poll (__timeout=-1, __nfds=2, __fds=0x7f4997ffed80) at /usr/include/bits/poll2.h:39
#2  QtWaylandClient::EventThread::run() (this=0x56259cfe71b0) at /usr/src/debug/dev-qt/qtwayland-5.15.9/qtwayland-everywhere-src-5.15.9/src/client/qwaylanddisplay.cpp:210
#3  0x00007f49a1ccbc27 in operator() (__closure=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:350
#4  (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:287
#5  QThreadPrivate::start(void*) (arg=0x56259cfe71b0) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:310
#6  0x00007f49a1aaecc3 in start_thread (arg=<optimized out>) at pthread_create.c:442
#7  0x00007f49a1b31cec in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 3 (Thread 0x7f499cc176c0 (LWP 3579) "WaylandEventThr"):
#0  0x00007f49a1b2422f in __GI___poll (fds=fds@entry=0x7f499cc16d80, nfds=nfds@entry=2, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f49a37276be in poll (__timeout=-1, __nfds=2, __fds=0x7f499cc16d80) at /usr/include/bits/poll2.h:39
#2  QtWaylandClient::EventThread::run() (this=0x56259cfecf30) at /usr/src/debug/dev-qt/qtwayland-5.15.9/qtwayland-everywhere-src-5.15.9/src/client/qwaylanddisplay.cpp:210
#3  0x00007f49a1ccbc27 in operator() (__closure=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:350
#4  (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:287
#5  QThreadPrivate::start(void*) (arg=0x56259cfecf30) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:310
#6  0x00007f49a1aaecc3 in start_thread (arg=<optimized out>) at pthread_create.c:442
#7  0x00007f49a1b31cec in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 2 (Thread 0x7f499d5ff6c0 (LWP 3574) "QDBusConnection"):
#0  0x00007f49a1b2422f in __GI___poll (fds=0x7f4998046570, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f49a0a4f09e in g_main_context_poll (priority=<optimized out>, n_fds=4, fds=0x7f4998046570, timeout=<optimized out>, context=0x7f4998001cf0) at ../glib-2.74.6/glib/gmain.c:4553
#2  g_main_context_iterate (context=context@entry=0x7f4998001cf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib-2.74.6/glib/gmain.c:4243
#3  0x00007f49a0a4f1bc in g_main_context_iteration (context=0x7f4998001cf0, may_block=1) at ../glib-2.74.6/glib/gmain.c:4313
#4  0x00007f49a1ed6cb6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f4998000b70, flags=...) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f49a1e8394b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f499d5fed60, flags=..., flags@entry=...) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/include/QtCore/../../src/corelib/global/qflags.h:69
#6  0x00007f49a1cca90a in QThread::exec() (this=this@entry=0x7f49a2931d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f49a28b6517 in QDBusConnectionManager::run() (this=0x7f49a2931d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at /usr/src/debug/dev-qt/qtdbus-5.15.9/qtbase-everywhere-src-5.15.9/src/dbus/qdbusconnection.cpp:179
#8  0x00007f49a1ccbc27 in operator() (__closure=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:350
#9  (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:287
#10 QThreadPrivate::start(void*) (arg=0x7f49a2931d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/thread/qthread_unix.cpp:310
#11 0x00007f49a1aaecc3 in start_thread (arg=<optimized out>) at pthread_create.c:442
#12 0x00007f49a1b31cec in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 1 (Thread 0x7f49a0202800 (LWP 3558) "plasmashell"):
#0  0x00007f49a1b2422f in __GI___poll (fds=0x5625a2e86080, nfds=17, timeout=998) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f49a0a4f09e in g_main_context_poll (priority=<optimized out>, n_fds=17, fds=0x5625a2e86080, timeout=<optimized out>, context=0x7f4998005010) at ../glib-2.74.6/glib/gmain.c:4553
#2  g_main_context_iterate (context=context@entry=0x7f4998005010, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib-2.74.6/glib/gmain.c:4243
#3  0x00007f49a0a4f1bc in g_main_context_iteration (context=0x7f4998005010, may_block=1) at ../glib-2.74.6/glib/gmain.c:4313
#4  0x00007f49a1ed6cb6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x56259cfecd10, flags=...) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/src/corelib/kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f49a1e8394b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffe38a3c6d0, flags=..., flags@entry=...) at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/include/QtCore/../../src/corelib/global/qflags.h:69
#6  0x00007f49a1e8bc26 in QCoreApplication::exec() () at /usr/src/debug/dev-qt/qtcore-5.15.9/qtbase-everywhere-src-5.15.9/include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f49a231bbec in QGuiApplication::exec() () at /usr/src/debug/dev-qt/qtgui-5.15.9/qtbase-everywhere-src-5.15.9/src/gui/kernel/qguiapplication.cpp:1870
#8  0x00007f49a2b63435 in QApplication::exec() () at /usr/src/debug/dev-qt/qtwidgets-5.15.9/qtbase-everywhere-src-5.15.9/src/widgets/kernel/qapplication.cpp:2832
#9  0x000056259c042a04 in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/kde-plasma/plasma-workspace-5.27.4.1-r2/plasma-workspace-5.27.4.1/shell/main.cpp:235
```
Comment 8 Andrej Halveland 2023-05-25 13:50:03 UTC 
I have the same behavior, just that I don't know how to reproduce it on demand, it always seems pretty random when the hang happens.

These are without debug symbols, for now. I will install the related debug packages and will send another backtrace when it eventually hangs again.

Operating System: Arch Linux
KDE Plasma Version: 5.27.5
KDE Frameworks Version: 5.106.0
Qt Version: 5.15.9
Kernel Version: 6.4.0-rc2
Graphics Platform: Wayland
Processors: AMD Ryzen 9 4900HS 8-Core Processor
Memory:  24GB of RAM
Graphics Processor: Integrated: Vega 8
Manufacturer: ASUS (Zephyrus G15 GA502IV)

Attaching to process 3306240
[New LWP 3306241]
[New LWP 3306242]
[New LWP 3306243]
[New LWP 3306244]
[New LWP 3306245]
[New LWP 3306246]
[New LWP 3306247]
[New LWP 3306250]
[New LWP 3306251]
[New LWP 3306252]
[New LWP 3306257]
[New LWP 3306274]
[New LWP 3306275]
[New LWP 3306276]
[New LWP 3306277]
[New LWP 3306320]
[New LWP 3306321]
[New LWP 3306322]
[New LWP 3306323]
[New LWP 3306325]
[New LWP 3306356]
[New LWP 3306406]
[New LWP 3306407]
[New LWP 3306408]
[New LWP 3306411]
[New LWP 3306414]
[New LWP 3306415]
[New LWP 3306416]
[New LWP 3306419]
[New LWP 3306420]
[New LWP 3306421]
[New LWP 3306422]
[New LWP 3306423]
[New LWP 3306424]
[New LWP 3312371]
[New LWP 3312372]
[New LWP 3312373]
[New LWP 3336077]
[New LWP 3336078]
[New LWP 3336079]
[New LWP 3395474]
[New LWP 3395475]
--Type <RET> for more, q to quit, c to continue without paging--c
[New LWP 3395476]
[New LWP 52931]
[New LWP 52932]
[New LWP 52933]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
0x00007fca2d899f0e in ?? () from /usr/lib/libc.so.6
(gdb) bt
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca2deeb6f4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#3  0x00007fca2fc0002a in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fca2e556927 in QWindow::event(QEvent*) () at /usr/lib/libQt5Gui.so.5
#5  0x00007fca2ed78b5c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#6  0x00007fca2e08e028 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#7  0x00007fca2e54aa34 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /usr/lib/libQt5Gui.so.5
#8  0x00007fca2e5298c5 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Gui.so.5
#9  0x00007fca2f9408d5 in  () at /usr/lib/libQt5WaylandClient.so.5
#10 0x00007fca2ccd753b in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#11 0x00007fca2cd34219 in  () at /usr/lib/libglib-2.0.so.0
#12 0x00007fca2ccd61a2 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#13 0x00007fca2e0d8d3c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#14 0x00007fca2e08668c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#15 0x00007fca2e0912f9 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#16 0x000055b90131f16c in  ()
#17 0x00007fca2d839850 in  () at /usr/lib/libc.so.6
#18 0x00007fca2d83990a in __libc_start_main () at /usr/lib/libc.so.6
#19 0x000055b90131f515 in  ()
(gdb) thread apply all bt

Thread 47 (Thread 0x7fc9015fa6c0 (LWP 52933) "QSGRenderThread"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca2deeb6f4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#3  0x00007fca2fbfcfc2 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fca2dee424a in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#6  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 46 (Thread 0x7fc901dfb6c0 (LWP 52932) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 45 (Thread 0x7fc9025fc6c0 (LWP 52931) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 44 (Thread 0x7fc9d67fc6c0 (LWP 3395476) "QSGRenderThread"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca2deeb6f4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#3  0x00007fca2fbfcfc2 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fca2dee424a in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#6  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 43 (Thread 0x7fc9d6ffd6c0 (LWP 3395475) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 42 (Thread 0x7fc9d5ffb6c0 (LWP 3395474) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 41 (Thread 0x7fc90d7fc6c0 (LWP 3336079) "QSGRenderThread"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca2deeb6f4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#3  0x00007fca2fbfcfc2 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fca2dee424a in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
--Type <RET> for more, q to quit, c to continue without paging--c
#6  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 40 (Thread 0x7fc90dffd6c0 (LWP 3336078) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 39 (Thread 0x7fc90e7fe6c0 (LWP 3336077) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 38 (Thread 0x7fc998ff96c0 (LWP 3312373) "QSGRenderThread"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca2deeb6f4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#3  0x00007fca2fbfcfc2 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fca2dee424a in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#6  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 37 (Thread 0x7fc99a7fc6c0 (LWP 3312372) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 36 (Thread 0x7fc9b19eb6c0 (LWP 3312371) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 35 (Thread 0x7fc91effd6c0 (LWP 3306424) "QSGRenderThread"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca2deeb6f4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#3  0x00007fca2fbfcfc2 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fca2dee424a in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#6  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 34 (Thread 0x7fc91f7fe6c0 (LWP 3306423) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 33 (Thread 0x7fc91ffff6c0 (LWP 3306422) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 32 (Thread 0x7fc940bf96c0 (LWP 3306421) "QSGRenderThread"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca2deeb6f4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#3  0x00007fca2fbfcfc2 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fca2dee424a in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#6  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 31 (Thread 0x7fc9413fa6c0 (LWP 3306420) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 30 (Thread 0x7fc941bfb6c0 (LWP 3306419) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 29 (Thread 0x7fc9425fc6c0 (LWP 3306416) "QSGRenderThread"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca2deeb6f4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#3  0x00007fca2fbfcfc2 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fca2dee424a in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#6  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 28 (Thread 0x7fc942dfd6c0 (LWP 3306415) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 27 (Thread 0x7fc9435fe6c0 (LWP 3306414) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 26 (Thread 0x7fc943fff6c0 (LWP 3306411) "plasmashel:sh5"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 25 (Thread 0x7fc950ab36c0 (LWP 3306408) "QSGRenderThread"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca3035079c in wl_display_read_events () at /usr/lib/libwayland-client.so.0
#3  0x00007fca30351b6c in wl_display_dispatch_queue () at /usr/lib/libwayland-client.so.0
#4  0x00007fca2803eb25 in  () at /usr/lib/libEGL_mesa.so.0
#5  0x00007fca2802f3b8 in  () at /usr/lib/libEGL_mesa.so.0
#6  0x00007fca2802729d in  () at /usr/lib/libEGL_mesa.so.0
#7  0x00007fca2916f6ed in  () at /usr/lib/qt/plugins/wayland-graphics-integration-client/libqt-plugin-wayland-egl.so
#8  0x00007fca2fbf86dc in  () at /usr/lib/libQt5Quick.so.5
#9  0x00007fca2fbfcbe4 in  () at /usr/lib/libQt5Quick.so.5
#10 0x00007fca2dee424a in  () at /usr/lib/libQt5Core.so.5
#11 0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#12 0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 24 (Thread 0x7fc9512b46c0 (LWP 3306407) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 23 (Thread 0x7fc951ab56c0 (LWP 3306406) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 22 (Thread 0x7fc9795786c0 (LWP 3306356) "KCupsConnection"):
#0  0x00007fca2d913c0f in poll () at /usr/lib/libc.so.6
#1  0x00007fca2cd3417f in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fca2ccd61a2 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fca2e0d8d3c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fca2e08668c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fca2dee771f in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fc97813dc8e in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#7  0x00007fca2dee424a in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#9  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7fc979f306c0 (LWP 3306325) "plasmashell"):
#0  0x00007fca2d916571 in pselect () at /usr/lib/libc.so.6
#1  0x00007fca2be786f9 in  () at /usr/lib/libusbmuxd-2.0.so.6
#2  0x00007fca2be793cc in  () at /usr/lib/libusbmuxd-2.0.so.6
#3  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#4  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7fc97a7fc6c0 (LWP 3306323) "plasmashel:sh4"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7fc97affd6c0 (LWP 3306322) "plasmashel:sh3"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7fc97b7fe6c0 (LWP 3306321) "plasmashel:sh2"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7fc9b37fe6c0 (LWP 3306320) "plasmashel:sh1"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7fc9d77fe6c0 (LWP 3306277) "QSGRenderThread"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca2deeb6f4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#3  0x00007fca2fbfcfc2 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fca2dee424a in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#6  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7fc9d7fff6c0 (LWP 3306276) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7fc9dcee66c0 (LWP 3306275) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7fc9dd6e76c0 (LWP 3306274) "QQuickPixmapRea"):
#0  0x00007fca2d913c0f in poll () at /usr/lib/libc.so.6
#1  0x00007fca2cd3417f in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fca2ccd61a2 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fca2e0d8d3c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fca2e08668c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fca2dee771f in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fca2fb5613f in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007fca2dee424a in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#9  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7fc9f39ff6c0 (LWP 3306257) "Qt bearer threa"):
#0  0x00007fca2d913c0f in poll () at /usr/lib/libc.so.6
#1  0x00007fca2cd3417f in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fca2ccd61a2 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fca2e0d8d3c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fca2e08668c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fca2dee771f in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fca2dee424a in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#8  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7fca08dff6c0 (LWP 3306252) "QQmlThread"):
#0  0x00007fca2d913c0f in poll () at /usr/lib/libc.so.6
#1  0x00007fca2cd3417f in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fca2ccd61a2 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fca2e0d8d3c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fca2e08668c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fca2dee771f in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fca2f6c2410 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007fca2dee424a in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#9  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7fca0a3fb6c0 (LWP 3306251) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fca0abfc6c0 (LWP 3306250) "plasmash:gdrv0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fca0b5fd6c0 (LWP 3306247) "plasmash:shlo0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fca0bdfe6c0 (LWP 3306246) "plasmashel:sh0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fca0c5ff6c0 (LWP 3306245) "plasmas:disk$0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fca20c976c0 (LWP 3306244) "plasmashel:cs0"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca20ec256c in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fca20f0b98c in  () at /usr/lib/dri/radeonsi_dri.so
#4  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#5  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fca237fe6c0 (LWP 3306243) "WaylandEventThr"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca3035079c in wl_display_read_events () at /usr/lib/libwayland-client.so.0
#3  0x00007fca2f904d4d in  () at /usr/lib/libQt5WaylandClient.so.5
#4  0x00007fca2dee424a in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#6  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fca23fff6c0 (LWP 3306242) "WaylandEventThr"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca3035079c in wl_display_read_events () at /usr/lib/libwayland-client.so.0
#3  0x00007fca2f904d4d in  () at /usr/lib/libQt5WaylandClient.so.5
#4  0x00007fca2dee424a in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#6  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fca28bff6c0 (LWP 3306241) "QDBusConnection"):
#0  0x00007fca2d913c0f in poll () at /usr/lib/libc.so.6
#1  0x00007fca2cd3417f in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fca2ccd61a2 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fca2e0d8d3c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fca2e08668c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fca2dee771f in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fca2f2f4cba in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007fca2dee424a in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fca2d89d44b in  () at /usr/lib/libc.so.6
#9  0x00007fca2d920e40 in  () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fca29191100 (LWP 3306240) "plasmashell"):
#0  0x00007fca2d899f0e in  () at /usr/lib/libc.so.6
#1  0x00007fca2d89c7a0 in pthread_cond_wait () at /usr/lib/libc.so.6
#2  0x00007fca2deeb6f4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#3  0x00007fca2fc0002a in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fca2e556927 in QWindow::event(QEvent*) () at /usr/lib/libQt5Gui.so.5
#5  0x00007fca2ed78b5c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#6  0x00007fca2e08e028 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#7  0x00007fca2e54aa34 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /usr/lib/libQt5Gui.so.5
#8  0x00007fca2e5298c5 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Gui.so.5
#9  0x00007fca2f9408d5 in  () at /usr/lib/libQt5WaylandClient.so.5
#10 0x00007fca2ccd753b in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#11 0x00007fca2cd34219 in  () at /usr/lib/libglib-2.0.so.0
#12 0x00007fca2ccd61a2 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#13 0x00007fca2e0d8d3c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#14 0x00007fca2e08668c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#15 0x00007fca2e0912f9 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#16 0x000055b90131f16c in  ()
#17 0x00007fca2d839850 in  () at /usr/lib/libc.so.6
#18 0x00007fca2d83990a in __libc_start_main () at /usr/lib/libc.so.6
#19 0x000055b90131f515 in  ()
Comment 9 Andrej Halveland 2023-06-27 11:12:53 UTC 
Here's my latest hang on Plasma 5.27.6


Attaching to process 3926368
[New LWP 3926381]
[New LWP 3926382]
[New LWP 3926383]
[New LWP 3926388]
[New LWP 3926389]
[New LWP 3926390]
[New LWP 3926391]
[New LWP 3926399]
[New LWP 3926400]
[New LWP 3926401]
[New LWP 3926402]
[New LWP 3926411]
[New LWP 3926436]
[New LWP 3926483]
[New LWP 3926484]
[New LWP 3926485]
[New LWP 3926486]
[New LWP 3926487]
[New LWP 3926488]
[New LWP 3926617]
[New LWP 3926665]
[New LWP 3926678]
[New LWP 3926841]
[New LWP 3926842]
[New LWP 3926844]
[New LWP 3926845]
--Type <RET> for more, q to quit, c to continue without paging--c
[New LWP 3926847]
[New LWP 3926857]
[New LWP 3926858]
[New LWP 3926860]
[New LWP 3926861]
[New LWP 3926862]
[New LWP 3956015]
[New LWP 3956016]
[New LWP 3956018]
[New LWP 3956019]
[New LWP 3956020]
[New LWP 3978981]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x7f32780e9480) at futex-internal.c:57
57          return INTERNAL_SYSCALL_CANCEL (futex_time64, futex_word, op, expected,
(gdb) thread apply all bt

Thread 39 (Thread 0x7f319dbfc6c0 (LWP 3978981) "KIO::WorkerThre"):
#0  0x00007f3281913d06 in __GI_ppoll (fds=fds@entry=0x7f319dbfba88, nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:42
#1  0x00007f32820e356f in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at kernel/qcore_unix.cpp:129
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f319dbfba88) at kernel/qcore_unix.cpp:132
#3  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f319dbfba88) at kernel/qcore_unix.cpp:129
#4  qt_safe_poll(pollfd*, unsigned long, timespec const*) (timeout_ts=<optimized out>, nfds=<optimized out>, fds=<optimized out>) at kernel/qcore_unix.cpp:155
#5  qt_safe_poll(pollfd*, unsigned long, timespec const*) (fds=fds@entry=0x7f319dbfba88, nfds=nfds@entry=1, timeout_ts=<optimized out>) at kernel/qcore_unix.cpp:150
#6  0x00007f3281d63094 in qt_poll_msecs (nfds=1, timeout=<optimized out>, fds=0x7f319dbfba88) at ../../include/QtCore/5.15.10/QtCore/private/../../../../../src/corelib/kernel/qcore_unix_p.h:381
#7  QNativeSocketEnginePrivate::nativeSelect(int, bool, bool, bool*, bool*) const (this=this@entry=0x7f31cc007760, timeout=<optimized out>, checkRead=checkRead@entry=true, checkWrite=checkWrite@entry=false, selectForRead=selectForRead@entry=0x7f319dbfbb67, selectForWrite=0x7f319dbfbb66) at socket/qnativesocketengine_unix.cpp:1436
#8  0x00007f3281d64ab6 in QNativeSocketEngine::waitForReadOrWrite(bool*, bool*, bool, bool, int, bool*) (this=0x7f31cc001410, readyToRead=0x7f319dbfbb67, readyToWrite=<optimized out>, checkRead=true, checkWrite=false, msecs=<optimized out>, timedOut=0x0) at socket/qnativesocketengine.cpp:1120
#9  0x00007f3281d51407 in QAbstractSocket::waitForReadyRead(int) (this=0x7f31cc006700, msecs=-1) at socket/qabstractsocket.cpp:2293
#10 0x00007f32816eeeaa in  () at /usr/lib/libKF5KIOCore.so.5
#11 0x00007f328172303a in KIO::SlaveBase::dispatchLoop() () at /usr/lib/libKF5KIOCore.so.5
#12 0x00007f32817a2077 in  () at /usr/lib/libKF5KIOCore.so.5
#13 0x00007f3281ef34da in operator() (__closure=<optimized out>) at thread/qthread_unix.cpp:350
#14 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at thread/qthread_unix.cpp:287
#15 QThreadPrivate::start(void*) (arg=0x5638be2a7920) at thread/qthread_unix.cpp:310
#16 0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#17 0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 38 (Thread 0x7f320a8856c0 (LWP 3956020) "QSGRenderThread"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638bed43100) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638bed43100, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638bed43100, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638bed430b0, cond=0x5638bed430d8) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638bed430d8, mutex=0x5638bed430b0) at pthread_cond_wait.c:618
#5  0x00007f3281efb264 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x5638bed430b0) at thread/qwaitcondition_unix.cpp:146
#6  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x5638be474908, mutex=mutex@entry=0x5638be474900, deadline=...) at thread/qwaitcondition_unix.cpp:225
#7  0x00007f3283bfd712 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x5638be4748f8) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:257
#8  QSGRenderThread::processEventsAndWaitForMore() (this=0x5638be474860) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:935
#9  QSGRenderThread::run() (this=0x5638be474860) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1052
#10 0x00007f3281ef34da in operator() (__closure=<optimized out>) at thread/qthread_unix.cpp:350
#11 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at thread/qthread_unix.cpp:287
#12 QThreadPrivate::start(void*) (arg=0x5638be474860) at thread/qthread_unix.cpp:310
#13 0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#14 0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 37 (Thread 0x7f31db3176c0 (LWP 3956019) "plasmashel:gl0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638bf8213a0) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638bf8213a0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638bf8213a0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638bf821350, cond=0x5638bf821378) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638bf821378, mutex=0x5638bf821350) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 36 (Thread 0x7f319f3fe6c0 (LWP 3956018) "plasmash:gdrv0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638bf7ed460) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638bf7ed460, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638bf7ed460, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638bf7ed410, cond=0x5638bf7ed438) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638bf7ed438, mutex=0x5638bf7ed410) at pthread_cond_wait.c:618
--Type <RET> for more, q to quit, c to continue without paging--c
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 35 (Thread 0x7f31d9b146c0 (LWP 3956016) "plasmashel:gl0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638bf7ac420) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638bf7ac420, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638bf7ac420, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638bf7ac3d0, cond=0x5638bf7ac3f8) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638bf7ac3f8, mutex=0x5638bf7ac3d0) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 34 (Thread 0x7f319ebfd6c0 (LWP 3956015) "plasmash:gdrv0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638bf8c56a0) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638bf8c56a0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638bf8c56a0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638bf8c5650, cond=0x5638bf8c5678) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638bf8c5678, mutex=0x5638bf8c5650) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 33 (Thread 0x7f319ffff6c0 (LWP 3926862) "QSGRenderThread"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638bf467be0) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638bf467be0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638bf467be0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638bf467b90, cond=0x5638bf467bb8) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638bf467bb8, mutex=0x5638bf467b90) at pthread_cond_wait.c:618
#5  0x00007f3281efb264 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x5638bf467b90) at thread/qwaitcondition_unix.cpp:146
#6  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x5638bc050068, mutex=mutex@entry=0x5638bc050060, deadline=...) at thread/qwaitcondition_unix.cpp:225
#7  0x00007f3283bfd712 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x5638bc050058) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:257
#8  QSGRenderThread::processEventsAndWaitForMore() (this=0x5638bc04ffc0) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:935
#9  QSGRenderThread::run() (this=0x5638bc04ffc0) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1052
#10 0x00007f3281ef34da in operator() (__closure=<optimized out>) at thread/qthread_unix.cpp:350
#11 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at thread/qthread_unix.cpp:287
#12 QThreadPrivate::start(void*) (arg=0x5638bc04ffc0) at thread/qthread_unix.cpp:310
#13 0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#14 0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 32 (Thread 0x7f31c0ff96c0 (LWP 3926861) "plasmashel:gl0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638bf5c8a40) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638bf5c8a40, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638bf5c8a40, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638bf5c89f0, cond=0x5638bf5c8a18) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638bf5c8a18, mutex=0x5638bf5c89f0) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 31 (Thread 0x7f31c17fa6c0 (LWP 3926860) "plasmash:gdrv0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638bf5946d0) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638bf5946d0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638bf5946d0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638bf594680, cond=0x5638bf5946a8) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638bf5946a8, mutex=0x5638bf594680) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 30 (Thread 0x7f31c1ffb6c0 (LWP 3926858) "plasmashel:gl0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638bf4fa6e4) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638bf4fa6e4, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638bf4fa6e4, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638bf4fa690, cond=0x5638bf4fa6b8) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638bf4fa6b8, mutex=0x5638bf4fa690) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 29 (Thread 0x7f31c27fc6c0 (LWP 3926857) "plasmash:gdrv0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638bf4c67a0) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638bf4c67a0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638bf4c67a0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638bf4c6750, cond=0x5638bf4c6778) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638bf4c6778, mutex=0x5638bf4c6750) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 28 (Thread 0x7f31c2ffd6c0 (LWP 3926847) "QSGRenderThread"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638bc1c8c34) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638bc1c8c34, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638bc1c8c34, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638bc1c8be0, cond=0x5638bc1c8c08) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638bc1c8c08, mutex=0x5638bc1c8be0) at pthread_cond_wait.c:618
#5  0x00007f3281efb264 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x5638bc1c8be0) at thread/qwaitcondition_unix.cpp:146
#6  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x5638bc074658, mutex=mutex@entry=0x5638bc074650, deadline=...) at thread/qwaitcondition_unix.cpp:225
#7  0x00007f3283bfd712 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x5638bc074648) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:257
#8  QSGRenderThread::processEventsAndWaitForMore() (this=0x5638bc0745b0) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:935
#9  QSGRenderThread::run() (this=0x5638bc0745b0) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1052
#10 0x00007f3281ef34da in operator() (__closure=<optimized out>) at thread/qthread_unix.cpp:350
#11 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at thread/qthread_unix.cpp:287
#12 QThreadPrivate::start(void*) (arg=0x5638bc0745b0) at thread/qthread_unix.cpp:310
#13 0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#14 0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 27 (Thread 0x7f31c37fe6c0 (LWP 3926845) "plasmashel:gl0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638bf3c9240) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638bf3c9240, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638bf3c9240, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638bf3c91f0, cond=0x5638bf3c9218) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638bf3c9218, mutex=0x5638bf3c91f0) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 26 (Thread 0x7f31c3fff6c0 (LWP 3926844) "plasmash:gdrv0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638bf395300) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638bf395300, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638bf395300, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638bf3952b0, cond=0x5638bf3952d8) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638bf3952d8, mutex=0x5638bf3952b0) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 25 (Thread 0x7f31d8b126c0 (LWP 3926842) "plasmashel:gl0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638bf304514) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638bf304514, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638bf304514, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638bf3044c0, cond=0x5638bf3044e8) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638bf3044e8, mutex=0x5638bf3044c0) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 24 (Thread 0x7f31d93136c0 (LWP 3926841) "plasmash:gdrv0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638bf2d05d0) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638bf2d05d0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638bf2d05d0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638bf2d0580, cond=0x5638bf2d05a8) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638bf2d05a8, mutex=0x5638bf2d0580) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 23 (Thread 0x7f31ebfff6c0 (LWP 3926678) "KCupsConnection"):
#0  0x00007f3281913c0f in __GI___poll (fds=0x7f31e4006a70, nfds=1, timeout=3499389) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f3280dc4a9f in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f31e4006a70, timeout=<optimized out>, context=0x7f31e4000c30) at ../glib/glib/gmain.c:4584
#2  g_main_context_iterate.isra.0 (context=context@entry=0x7f31e4000c30, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4271
#3  0x00007f3280d65032 in g_main_context_iteration (context=0x7f31e4000c30, may_block=1) at ../glib/glib/gmain.c:4343
#4  0x00007f32820ea5ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f31e4000b70, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f328209a484 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f31ebffec80, flags=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#6  0x00007f3281ef72b6 in QThread::exec() (this=this@entry=0x5638bc7c2f30) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f31e8f73c8e in KCupsConnection::run() (this=0x5638bc7c2f30) at /usr/src/debug/print-manager/print-manager-23.04.2/libkcups/KCupsConnection.cpp:289
#8  0x00007f3281ef34da in operator() (__closure=<optimized out>) at thread/qthread_unix.cpp:350
#9  (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at thread/qthread_unix.cpp:287
#10 QThreadPrivate::start(void*) (arg=0x5638bc7c2f30) at thread/qthread_unix.cpp:310
#11 0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#12 0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 22 (Thread 0x7f320880f6c0 (LWP 3926665) "plasmashel:sh1"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638b9ea2788) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638b9ea2788, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638b9ea2788, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638b9ea2738, cond=0x5638b9ea2760) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638b9ea2760, mutex=0x5638b9ea2738) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 21 (Thread 0x7f32090106c0 (LWP 3926617) "plasmashell"):
#0  0x00007f3281916571 in pselect64_syscall (sigmask=0x0, timeout=<optimized out>, exceptfds=0x0, writefds=0x0, readfds=0x7f3209007c20, nfds=53) at ../sysdeps/unix/sysv/linux/pselect.c:34
#1  __pselect (nfds=nfds@entry=53, readfds=readfds@entry=0x7f3209007c20, writefds=writefds@entry=0x0, exceptfds=exceptfds@entry=0x0, timeout=<optimized out>, timeout@entry=0x7f3209007c10, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/pselect.c:56
#2  0x00007f327fb536f9 in usbmuxd_listen_inotify () at /usr/src/debug/libusbmuxd/libusbmuxd-2.0.2/src/libusbmuxd.c:923
#3  0x00007f327fb543cc in usbmuxd_listen () at /usr/src/debug/libusbmuxd/libusbmuxd-2.0.2/src/libusbmuxd.c:979
#4  device_monitor (data=<optimized out>) at /usr/src/debug/libusbmuxd/libusbmuxd-2.0.2/src/libusbmuxd.c:1107
#5  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#6  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 20 (Thread 0x7f320b8156c0 (LWP 3926488) "QSGRenderThread"):
#0  0x00007f32818e59e5 in __GI___clock_nanosleep (clock_id=clock_id@entry=0, flags=flags@entry=0, req=0x7f320b814b40, rem=0x7f320b814b40) at ../sysdeps/unix/sysv/linux/clock_nanosleep.c:48
#1  0x00007f32818ea5e7 in __GI___nanosleep (req=<optimized out>, rem=<optimized out>) at ../sysdeps/unix/sysv/linux/nanosleep.c:25
#2  0x00007f3281eeed07 in qt_nanosleep(timespec) (amount=...) at kernel/qelapsedtimer_unix.cpp:195
#3  QThread::msleep(unsigned long) (msecs=<optimized out>) at thread/qthread_unix.cpp:501
#4  0x00007f3283bf93c1 in QSGRenderThread::syncAndRender(QImage*) (this=this@entry=0x7f32780ea270, grabImage=grabImage@entry=0x0) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:797
#5  0x00007f3283bfd334 in QSGRenderThread::run() (this=0x7f32780ea270) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1042
#6  0x00007f3281ef34da in operator() (__closure=<optimized out>) at thread/qthread_unix.cpp:350
#7  (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at thread/qthread_unix.cpp:287
#8  QThreadPrivate::start(void*) (arg=0x7f32780ea270) at thread/qthread_unix.cpp:310
#9  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#10 0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 19 (Thread 0x7f3220fa06c0 (LWP 3926487) "plasmashel:gl0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638bb50f810) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638bb50f810, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638bb50f810, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638bb50f7c0, cond=0x5638bb50f7e8) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638bb50f7e8, mutex=0x5638bb50f7c0) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 18 (Thread 0x7f32217a16c0 (LWP 3926486) "plasmash:gdrv0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638bb4db430) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638bb4db430, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638bb4db430, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638bb4db3e0, cond=0x5638bb4db408) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638bb4db408, mutex=0x5638bb4db3e0) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 17 (Thread 0x7f3221fa36c0 (LWP 3926485) "plasmashel:gl0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638bb437930) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638bb437930, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638bb437930, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638bb4378e0, cond=0x5638bb437908) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638bb437908, mutex=0x5638bb4378e0) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 16 (Thread 0x7f32227ab6c0 (LWP 3926484) "plasmash:gdrv0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638bb403600) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638bb403600, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638bb403600, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638bb4035b0, cond=0x5638bb4035d8) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638bb4035d8, mutex=0x5638bb4035b0) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 15 (Thread 0x7f3222fb46c0 (LWP 3926483) "QQuickPixmapRea"):
#0  0x00007f3281913c0f in __GI___poll (fds=0x7f321c07d960, nfds=2, timeout=89995) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f3280dc4a9f in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x7f321c07d960, timeout=<optimized out>, context=0x7f321c000c30) at ../glib/glib/gmain.c:4584
#2  g_main_context_iterate.isra.0 (context=context@entry=0x7f321c000c30, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4271
#3  0x00007f3280d65032 in g_main_context_iteration (context=0x7f321c000c30, may_block=1) at ../glib/glib/gmain.c:4343
#4  0x00007f32820ea5cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f321c000b70, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f328209a484 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f3222fb3c80, flags=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#6  0x00007f3281ef72b6 in QThread::exec() (this=this@entry=0x5638bb39a050) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f3283b5642f in QQuickPixmapReader::run() (this=0x5638bb39a050) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/util/qquickpixmapcache.cpp:1024
#8  0x00007f3281ef34da in operator() (__closure=<optimized out>) at thread/qthread_unix.cpp:350
#9  (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at thread/qthread_unix.cpp:287
#10 QThreadPrivate::start(void*) (arg=0x5638bb39a050) at thread/qthread_unix.cpp:310
#11 0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#12 0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 14 (Thread 0x7f32449be6c0 (LWP 3926436) "Qt bearer threa"):
#0  0x00007f3281913c0f in __GI___poll (fds=0x7f32340013f0, nfds=1, timeout=9991) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f3280dc4a9f in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f32340013f0, timeout=<optimized out>, context=0x7f3234000c30) at ../glib/glib/gmain.c:4584
#2  g_main_context_iterate.isra.0 (context=context@entry=0x7f3234000c30, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4271
#3  0x00007f3280d65032 in g_main_context_iteration (context=0x7f3234000c30, may_block=1) at ../glib/glib/gmain.c:4343
#4  0x00007f32820ea5cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f3234000b70, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f328209a484 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f32449bdcc0, flags=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#6  0x00007f3281ef72b6 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f3281ef34da in operator() (__closure=<optimized out>) at thread/qthread_unix.cpp:350
#8  (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at thread/qthread_unix.cpp:287
#9  QThreadPrivate::start(void*) (arg=0x5638bac22150) at thread/qthread_unix.cpp:310
#10 0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#11 0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 13 (Thread 0x7f3245bff6c0 (LWP 3926411) "QQmlThread"):
#0  0x00007f3281913c0f in __GI___poll (fds=0x7f32300013d0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f3280dc4a9f in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f32300013d0, timeout=<optimized out>, context=0x7f3230000c30) at ../glib/glib/gmain.c:4584
#2  g_main_context_iterate.isra.0 (context=context@entry=0x7f3230000c30, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4271
#3  0x00007f3280d65032 in g_main_context_iteration (context=0x7f3230000c30, may_block=1) at ../glib/glib/gmain.c:4343
#4  0x00007f32820ea5cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f3230000b70, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f328209a484 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f3245bfeca0, flags=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#6  0x00007f3281ef72b6 in QThread::exec() (this=this@entry=0x5638ba536ad0) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f32836c2ab0 in QQmlThreadPrivate::run() (this=0x5638ba536ad0) at /usr/src/debug/qt5-declarative/qtdeclarative/src/qml/qml/ftw/qqmlthread.cpp:155
#8  0x00007f3281ef34da in operator() (__closure=<optimized out>) at thread/qthread_unix.cpp:350
#9  (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at thread/qthread_unix.cpp:287
#10 QThreadPrivate::start(void*) (arg=0x5638ba536ad0) at thread/qthread_unix.cpp:310
#11 0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#12 0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 12 (Thread 0x7f3246ffd6c0 (LWP 3926402) "plasmashel:gl0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638ba11af44) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638ba11af44, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638ba11af44, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638ba11aef0, cond=0x5638ba11af18) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638ba11af18, mutex=0x5638ba11aef0) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 11 (Thread 0x7f32477fe6c0 (LWP 3926401) "plasmash:gdrv0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638ba0e7000) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638ba0e7000, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638ba0e7000, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638ba0e6fb0, cond=0x5638ba0e6fd8) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638ba0e6fd8, mutex=0x5638ba0e6fb0) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 10 (Thread 0x7f3247fff6c0 (LWP 3926400) "plasmashel:gl0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638ba0a5fc0) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638ba0a5fc0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638ba0a5fc0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638ba0a5f70, cond=0x5638ba0a5f98) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638ba0a5f98, mutex=0x5638ba0a5f70) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 9 (Thread 0x7f325cbfd6c0 (LWP 3926399) "plasmash:gdrv0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638ba072080) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638ba072080, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638ba072080, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638ba072030, cond=0x5638ba072058) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638ba072058, mutex=0x5638ba072030) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 8 (Thread 0x7f325d3fe6c0 (LWP 3926391) "plasmash:shlo0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638b9ea2cf8) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638b9ea2cf8, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638b9ea2cf8, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638b9ea2ca8, cond=0x5638b9ea2cd0) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638b9ea2cd0, mutex=0x5638b9ea2ca8) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 7 (Thread 0x7f325dbff6c0 (LWP 3926390) "plasmashel:sh0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638b9ea2788) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638b9ea2788, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638b9ea2788, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638b9ea2738, cond=0x5638b9ea2760) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638b9ea2760, mutex=0x5638b9ea2738) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 6 (Thread 0x7f326cbfe6c0 (LWP 3926389) "plasmas:disk$0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638b9e8e488) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638b9e8e488, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638b9e8e488, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638b9e8e438, cond=0x5638b9e8e460) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638b9e8e460, mutex=0x5638b9e8e438) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 5 (Thread 0x7f326d3ff6c0 (LWP 3926388) "plasmashel:cs0"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638b9e8f8b4) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638b9e8f8b4, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638b9e8f8b4, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638b9e8f860, cond=0x5638b9e8f888) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5638b9e8f888, mutex=0x5638b9e8f860) at pthread_cond_wait.c:618
#5  0x00007f32742c7a4c in cnd_wait () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:135
#6  util_queue_thread_func() () at ../mesa-23.1.3/src/util/u_queue.c:290
#7  0x00007f327431495c in impl_thrd_routine() () at ../mesa-23.1.3/src/c11/impl/threads_posix.c:67
#8  0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#9  0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 4 (Thread 0x7f32777fe6c0 (LWP 3926383) "WaylandEventThr"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638b9d565a0) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638b9d565a0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638b9d565a0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638b9d56548, cond=0x5638b9d56578) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=cond@entry=0x5638b9d56578, mutex=mutex@entry=0x5638b9d56548) at pthread_cond_wait.c:618
#5  0x00007f328440f79c in read_events (display=0x5638b9d56430) at ../wayland-1.22.0/src/wayland-client.c:1683
#6  wl_display_read_events (display=0x5638b9d56430) at ../wayland-1.22.0/src/wayland-client.c:1753
#7  0x00007f3283922d2d in QtWaylandClient::EventThread::run() (this=0x5638b9d7baf0) at /usr/src/debug/qt5-wayland/qtwayland/src/client/qwaylanddisplay.cpp:219
#8  0x00007f3281ef34da in operator() (__closure=<optimized out>) at thread/qthread_unix.cpp:350
#9  (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at thread/qthread_unix.cpp:287
#10 QThreadPrivate::start(void*) (arg=0x5638b9d7baf0) at thread/qthread_unix.cpp:310
#11 0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#12 0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 3 (Thread 0x7f3277fff6c0 (LWP 3926382) "WaylandEventThr"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5638b9d565a0) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5638b9d565a0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5638b9d565a0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5638b9d56548, cond=0x5638b9d56578) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=cond@entry=0x5638b9d56578, mutex=mutex@entry=0x5638b9d56548) at pthread_cond_wait.c:618
#5  0x00007f328440f79c in read_events (display=0x5638b9d56430) at ../wayland-1.22.0/src/wayland-client.c:1683
#6  wl_display_read_events (display=0x5638b9d56430) at ../wayland-1.22.0/src/wayland-client.c:1753
#7  0x00007f3283922d2d in QtWaylandClient::EventThread::run() (this=0x5638b9d7be10) at /usr/src/debug/qt5-wayland/qtwayland/src/client/qwaylanddisplay.cpp:219
#8  0x00007f3281ef34da in operator() (__closure=<optimized out>) at thread/qthread_unix.cpp:350
#9  (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at thread/qthread_unix.cpp:287
#10 QThreadPrivate::start(void*) (arg=0x5638b9d7be10) at thread/qthread_unix.cpp:310
#11 0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#12 0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 2 (Thread 0x7f327cbff6c0 (LWP 3926381) "QDBusConnection"):
#0  0x00007f3281913c0f in __GI___poll (fds=0x7f32780ecad0, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f3280dc4a9f in g_main_context_poll (priority=<optimized out>, n_fds=4, fds=0x7f32780ecad0, timeout=<optimized out>, context=0x7f3278000c50) at ../glib/glib/gmain.c:4584
#2  g_main_context_iterate.isra.0 (context=context@entry=0x7f3278000c50, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4271
#3  0x00007f3280d65032 in g_main_context_iteration (context=0x7f3278000c50, may_block=1) at ../glib/glib/gmain.c:4343
#4  0x00007f32820ea5cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f3278000b70, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f328209a484 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f327cbfec90, flags=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#6  0x00007f3281ef72b6 in QThread::exec() (this=this@entry=0x7f3282bff660 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f3282b97a9a in QDBusConnectionManager::run() (this=0x7f3282bff660 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at /usr/src/debug/qt5-base/qtbase/src/dbus/qdbusconnection.cpp:179
#8  0x00007f3281ef34da in operator() (__closure=<optimized out>) at thread/qthread_unix.cpp:350
#9  (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at thread/qthread_unix.cpp:287
#10 QThreadPrivate::start(void*) (arg=0x7f3282bff660 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:310
#11 0x00007f328189d44b in start_thread (arg=<optimized out>) at pthread_create.c:444
#12 0x00007f3281920e40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 1 (Thread 0x7f327d2bfec0 (LWP 3926368) "plasmashell"):
#0  0x00007f3281899f0e in __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x7f32780e9480) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x7f32780e9480, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f3281899f8f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f32780e9480, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f328189c7a0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f32780e9430, cond=0x7f32780e9458) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x7f32780e9458, mutex=0x7f32780e9430) at pthread_cond_wait.c:618
#5  0x00007f3281efb264 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x7f32780e9430) at thread/qwaitcondition_unix.cpp:146
#6  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x7f32780ea2c8, deadline=...) at thread/qwaitcondition_unix.cpp:225
#7  0x00007f3283c01a50 in QSGThreadedRenderLoop::polishAndSync(QSGThreadedRenderLoop::Window*, bool) (this=0x5638bacf3180, w=0x5638bb3b7e50, inExpose=<optimized out>) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1603
#8  0x00007f3283c54f33 in QQuickWindow::event(QEvent*) (this=0x5638bacf2fd0, e=0x7ffeb5c01300) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/items/qquickwindow.cpp:1865
#9  0x00007f3282d7893f in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x5638bacf2fd0, e=0x7ffeb5c01300) at kernel/qapplication.cpp:3640
#10 0x00007f328209b778 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x5638bacf2fd0, event=0x7ffeb5c01300) at kernel/qcoreapplication.cpp:1064
#11 0x00007f328209b7e3 in QCoreApplication::sendEvent(QObject*, QEvent*) (receiver=<optimized out>, event=<optimized out>) at kernel/qcoreapplication.cpp:1462
#12 0x00007f32825356d0 in QPlatformWindow::deliverUpdateRequest() (this=<optimized out>) at kernel/qplatformwindow.cpp:796
#13 0x00007f32820c31e4 in QObject::event(QEvent*) (this=0x5638ba8091d0, e=0x5638be2491a0) at kernel/qobject.cpp:1347
#14 0x00007f3282d7893f in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x5638ba8091d0, e=0x5638be2491a0) at kernel/qapplication.cpp:3640
#15 0x00007f328209b778 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x5638ba8091d0, event=0x5638be2491a0) at kernel/qcoreapplication.cpp:1064
#16 0x00007f32820a06db in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=0x0, event_type=0, data=0x5638b9d2b550) at kernel/qcoreapplication.cpp:1821
#17 0x00007f32820e6748 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x5638b9d6de80) at kernel/qeventdispatcher_glib.cpp:277
#18 0x00007f3280d67981 in g_main_dispatch (context=0x7f3278000ee0) at ../glib/glib/gmain.c:3460
#19 g_main_context_dispatch (context=0x7f3278000ee0) at ../glib/glib/gmain.c:4200
#20 0x00007f3280dc4b39 in g_main_context_iterate.isra.0 (context=context@entry=0x7f3278000ee0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4276
#21 0x00007f3280d65032 in g_main_context_iteration (context=0x7f3278000ee0, may_block=1) at ../glib/glib/gmain.c:4343
#22 0x00007f32820ea5cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x5638b9d7ba60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#23 0x00007f328209a484 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffeb5c01770, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#24 0x00007f328209b923 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#25 0x00007f328253bf12 in QGuiApplication::exec() () at kernel/qguiapplication.cpp:1870
#26 0x00007f3282d76cda in QApplication::exec() () at kernel/qapplication.cpp:2832
#27 0x00005638b7d1316c in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/plasma-workspace/plasma-workspace-5.27.6/shell/main.cpp:235
Comment 10 Andrej Halveland 2023-07-06 07:31:35 UTC 
Created attachment 160097 [details]
Plasmashell hang backtraces

Here are my latest 4 hangs.

In the last two hangs (05-07-2023 and 01-07-2023) I have noticed a lot of "ThreadWeaver" related stuff that didn't appear in the older backtraces. I want to say that this ThreadWeaver stuff started appearing after removing the "Media Player" widget from my panel, but I am not entirely sure...
Comment 11 Nate Graham 2023-09-18 20:20:56 UTC 
Andrej, let's keep this issue  about what Mark is reporting.

Mark, if you disable "Show small preview windows when hovering over tasks" in your Task Manager's settings window, does the problem go away? If so, it's the same issue as Bug 469016.
Comment 12 Andrej Halveland 2023-09-18 21:53:41 UTC 
I kind of forgot about this bug report.

I just want to say that I have not experienced these crashes for some time now... i am not sure if it was because of some downloaded plasmoids or whatever but I am not getting these crashes anymore.
Comment 13 Andrej Halveland 2023-09-18 21:54:54 UTC 
I meant to say "hangs" instead of "crashes", as that's what was probably happening to me back then. Sorry!
Comment 14 mark 2023-09-19 16:24:07 UTC 
I can no longer reproduce this, with or without that setting. Sorry! Feel free to close this bug.
Comment 15 Nate Graham 2023-09-20 17:06:51 UTC 
Thanks Mark!