Bug 410208 - [Wayland] Plasma crashed when I hovered over "X" button of a thumbnail displayed by task manager
Summary: [Wayland] Plasma crashed when I hovered over "X" button of a thumbnail displa...
Status: RESOLVED UPSTREAM
Alias: None
Product: plasmashell
Classification: Plasma
Component: generic-wayland (show other bugs)
Version: master
Platform: Neon Linux
: NOR crash
Target Milestone: 1.0
Assignee: Plasma Bugs List
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2019-07-25 18:11 UTC by Patrick Silva
Modified: 2020-02-09 16:46 UTC (History)
1 user (show)

See Also:
Latest Commit:
Version Fixed In:

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Description Patrick Silva 2019-07-25 18:11:24 UTC 
SUMMARY
I hovered over the Chromium entry in the task manager,
so I hovered over the "X" button of the Chromium's thumbnail...
Plasma crashed.

Operating System: KDE neon Unstable Edition
KDE Plasma Version: 5.16.80
KDE Frameworks Version: 5.61.0
Qt Version: 5.12.3


Thread 22 (Thread 0x7f7752c12700 (LWP 3634)):
#0  0x00007f77cb1bf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x55f1ea11c504) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55f1ea11c4b0, cond=0x55f1ea11c4d8)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55f1ea11c4d8, mutex=0x55f1ea11c4b0) at pthread_cond_wait.c:655
#3  0x00007f77ce28adbb in QWaitConditionPrivate::wait (deadline=..., this=0x55f1ea11c4b0)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f1e41db930, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f77ce28b0c9 in QWaitCondition::wait (this=this@entry=0x55f1e41db938, 
    mutex=mutex@entry=0x55f1e41db930, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:208
#6  0x00007f77d25dd6f8 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x55f1e41db928)
    at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x55f1e41db8b0)
    at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007f77d25ddb2a in QSGRenderThread::run (this=0x55f1e41db8b0)
    at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007f77ce283c72 in QThreadPrivate::start (arg=0x55f1e41db8b0) at thread/qthread_unix.cpp:361
#10 0x00007f77cb1b96db in start_thread (arg=0x7f7752c12700) at pthread_create.c:463
#11 0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f776995e700 (LWP 5322)):
#0  0x00007f77cb1bf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x55f1ea2dea90) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55f1ea2dea40, cond=0x55f1ea2dea68)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55f1ea2dea68, mutex=0x55f1ea2dea40) at pthread_cond_wait.c:655
#3  0x00007f77ce28adbb in QWaitConditionPrivate::wait (deadline=..., this=0x55f1ea2dea40)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f1ea2386f0, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f77ce28b0c9 in QWaitCondition::wait (this=0x55f1e7c266a8, mutex=0x55f1ea2386f0, 
    time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f778e494c8b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (
    this=this@entry=0x55f1ea367620, th=<optimized out>) at ./src/weaver.cpp:594
#7  0x00007f778e495925 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (
    this=0x55f1ea367620, th=<optimized out>, th@entry=0x55f1ea1b3580, 
    threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, 
    justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#8  0x00007f778e4997d8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x55f1ea1b3580, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#9  0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x55f1ea1b3580, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#10 0x00007f778e499832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x55f1ea1b3580, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#11 0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x55f1ea1b3580, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#12 0x00007f778e49769b in ThreadWeaver::Thread::run (this=0x55f1ea1b3580) at ./src/thread.cpp:103
#13 0x00007f77ce283c72 in QThreadPrivate::start (arg=0x55f1ea1b3580) at thread/qthread_unix.cpp:361
#14 0x00007f77cb1b96db in start_thread (arg=0x7f776995e700) at pthread_create.c:463
#15 0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f77a1e0e700 (LWP 5323)):
#0  0x00007f77cb1bf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x55f1ea2dea90) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55f1ea2dea40, cond=0x55f1ea2dea68)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55f1ea2dea68, mutex=0x55f1ea2dea40) at pthread_cond_wait.c:655
#3  0x00007f77ce28adbb in QWaitConditionPrivate::wait (deadline=..., this=0x55f1ea2dea40)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f1ea2386f0, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f77ce28b0c9 in QWaitCondition::wait (this=0x55f1e7c266a8, mutex=0x55f1ea2386f0, 
    time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f778e494c8b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (
    this=this@entry=0x55f1ea367620, th=<optimized out>) at ./src/weaver.cpp:594
#7  0x00007f778e495925 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (
    this=0x55f1ea367620, th=<optimized out>, th@entry=0x55f1e9c2ef50, 
    threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, 
    justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#8  0x00007f778e4997d8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x55f1e9c2ef50, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#9  0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x55f1e9c2ef50, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#10 0x00007f778e499832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x55f1e9c2ef50, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#11 0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x55f1e9c2ef50, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#12 0x00007f778e49769b in ThreadWeaver::Thread::run (this=0x55f1e9c2ef50) at ./src/thread.cpp:103
#13 0x00007f77ce283c72 in QThreadPrivate::start (arg=0x55f1e9c2ef50) at thread/qthread_unix.cpp:361
#14 0x00007f77cb1b96db in start_thread (arg=0x7f77a1e0e700) at pthread_create.c:463
#15 0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f7745d1c700 (LWP 5324)):
#0  0x00007f77cb1bf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x55f1ea2dea90) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55f1ea2dea40, cond=0x55f1ea2dea68)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55f1ea2dea68, mutex=0x55f1ea2dea40) at pthread_cond_wait.c:655
#3  0x00007f77ce28adbb in QWaitConditionPrivate::wait (deadline=..., this=0x55f1ea2dea40)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f1ea2386f0, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f77ce28b0c9 in QWaitCondition::wait (this=0x55f1e7c266a8, mutex=0x55f1ea2386f0, 
    time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f778e494c8b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (
    this=this@entry=0x55f1ea367620, th=<optimized out>) at ./src/weaver.cpp:594
#7  0x00007f778e495925 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (
    this=0x55f1ea367620, th=<optimized out>, th@entry=0x55f1e7bb0700, 
    threadWasBusy=threadWasBusy@entry=true, suspendIfInactive=suspendIfInactive@entry=false, 
    justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#8  0x00007f778e4997d8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x55f1e7bb0700, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#9  0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x55f1e7bb0700, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#10 0x00007f778e49769b in ThreadWeaver::Thread::run (this=0x55f1e7bb0700) at ./src/thread.cpp:103
#11 0x00007f77ce283c72 in QThreadPrivate::start (arg=0x55f1e7bb0700) at thread/qthread_unix.cpp:361
#12 0x00007f77cb1b96db in start_thread (arg=0x7f7745d1c700) at pthread_create.c:463
#13 0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f774551b700 (LWP 5325)):
#0  0x00007f77cb1bf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x55f1ea2dea90) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55f1ea2dea40, cond=0x55f1ea2dea68)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55f1ea2dea68, mutex=0x55f1ea2dea40) at pthread_cond_wait.c:655
#3  0x00007f77ce28adbb in QWaitConditionPrivate::wait (deadline=..., this=0x55f1ea2dea40)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f1ea2386f0, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f77ce28b0c9 in QWaitCondition::wait (this=0x55f1e7c266a8, mutex=0x55f1ea2386f0, 
    time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f778e494c8b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (
    this=this@entry=0x55f1ea367620, th=<optimized out>) at ./src/weaver.cpp:594
#7  0x00007f778e495925 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (
    this=0x55f1ea367620, th=<optimized out>, th@entry=0x7f7760001d20, 
    threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, 
    justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#8  0x00007f778e4997d8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x7f7760001d20, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#9  0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x7f7760001d20, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#10 0x00007f778e499832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x7f7760001d20, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#11 0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x7f7760001d20, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#12 0x00007f778e49769b in ThreadWeaver::Thread::run (this=0x7f7760001d20) at ./src/thread.cpp:103
#13 0x00007f77ce283c72 in QThreadPrivate::start (arg=0x7f7760001d20) at thread/qthread_unix.cpp:361
#14 0x00007f77cb1b96db in start_thread (arg=0x7f774551b700) at pthread_create.c:463
#15 0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f7744d1a700 (LWP 5326)):
#0  0x00007f77cb1bf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x55f1ea2dea90) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55f1ea2dea40, cond=0x55f1ea2dea68)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55f1ea2dea68, mutex=0x55f1ea2dea40) at pthread_cond_wait.c:655
#3  0x00007f77ce28adbb in QWaitConditionPrivate::wait (deadline=..., this=0x55f1ea2dea40)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f1ea2386f0, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f77ce28b0c9 in QWaitCondition::wait (this=0x55f1e7c266a8, mutex=0x55f1ea2386f0, 
    time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f778e494c8b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (
    this=this@entry=0x55f1ea367620, th=<optimized out>) at ./src/weaver.cpp:594
#7  0x00007f778e495925 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (
    this=0x55f1ea367620, th=<optimized out>, th@entry=0x55f1e9d43cd0, 
    threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, 
    justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#8  0x00007f778e4997d8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x55f1e9d43cd0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#9  0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x55f1e9d43cd0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#10 0x00007f778e499832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x55f1e9d43cd0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#11 0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x55f1e9d43cd0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#12 0x00007f778e49769b in ThreadWeaver::Thread::run (this=0x55f1e9d43cd0) at ./src/thread.cpp:103
#13 0x00007f77ce283c72 in QThreadPrivate::start (arg=0x55f1e9d43cd0) at thread/qthread_unix.cpp:361
#14 0x00007f77cb1b96db in start_thread (arg=0x7f7744d1a700) at pthread_create.c:463
#15 0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f773d3d7700 (LWP 7786)):
#0  0x00007f77cdb76bf9 in __GI___poll (fds=0x7f7724008cc0, nfds=1, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f77c7dfe5c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f77c7dfe6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f77ce4b9daf in QEventDispatcherGlib::processEvents (this=0x7f7724051060, flags=...)
    at kernel/qeventdispatcher_glib.cpp:422
#4  0x00007f77ce45b03a in QEventLoop::exec (this=this@entry=0x7f773d3d6d30, flags=..., 
    flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f77ce2824ca in QThread::exec (this=this@entry=0x55f1e9c0a8c0) at thread/qthread.cpp:531
#6  0x00007f77d2557926 in QQuickPixmapReader::run (this=0x55f1e9c0a8c0)
    at util/qquickpixmapcache.cpp:953
#7  0x00007f77ce283c72 in QThreadPrivate::start (arg=0x55f1e9c0a8c0) at thread/qthread_unix.cpp:361
#8  0x00007f77cb1b96db in start_thread (arg=0x7f773d3d7700) at pthread_create.c:463
#9  0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f773ffff700 (LWP 5327)):
#0  0x00007f77cb1bf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x55f1ea2dea90) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55f1ea2dea40, cond=0x55f1ea2dea68)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55f1ea2dea68, mutex=0x55f1ea2dea40) at pthread_cond_wait.c:655
#3  0x00007f77ce28adbb in QWaitConditionPrivate::wait (deadline=..., this=0x55f1ea2dea40)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f1ea2386f0, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f77ce28b0c9 in QWaitCondition::wait (this=0x55f1e7c266a8, mutex=0x55f1ea2386f0, 
    time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f778e494c8b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (
    this=this@entry=0x55f1ea367620, th=<optimized out>) at ./src/weaver.cpp:594
#7  0x00007f778e495925 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (
    this=0x55f1ea367620, th=<optimized out>, th@entry=0x55f1e3496bc0, 
    threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, 
    justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#8  0x00007f778e4997d8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x55f1e3496bc0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#9  0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x55f1e3496bc0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#10 0x00007f778e499832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x55f1e3496bc0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#11 0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x55f1e3496bc0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#12 0x00007f778e49769b in ThreadWeaver::Thread::run (this=0x55f1e3496bc0) at ./src/thread.cpp:103
#13 0x00007f77ce283c72 in QThreadPrivate::start (arg=0x55f1e3496bc0) at thread/qthread_unix.cpp:361
#14 0x00007f77cb1b96db in start_thread (arg=0x7f773ffff700) at pthread_create.c:463
#15 0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f773effd700 (LWP 5329)):
#0  0x00007f77cb1bf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x55f1ea2dea90) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55f1ea2dea40, cond=0x55f1ea2dea68)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55f1ea2dea68, mutex=0x55f1ea2dea40) at pthread_cond_wait.c:655
#3  0x00007f77ce28adbb in QWaitConditionPrivate::wait (deadline=..., this=0x55f1ea2dea40)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f1ea2386f0, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f77ce28b0c9 in QWaitCondition::wait (this=0x55f1e7c266a8, mutex=0x55f1ea2386f0, 
    time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f778e494c8b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (
    this=this@entry=0x55f1ea367620, th=<optimized out>) at ./src/weaver.cpp:594
#7  0x00007f778e495925 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (
    this=0x55f1ea367620, th=<optimized out>, th@entry=0x55f1ea2161a0, 
    threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, 
    justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#8  0x00007f778e4997d8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x55f1ea2161a0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#9  0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x55f1ea2161a0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#10 0x00007f778e499832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x55f1ea2161a0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#11 0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x55f1ea2161a0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#12 0x00007f778e499832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x55f1ea2161a0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#13 0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x55f1ea2161a0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#14 0x00007f778e499832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x55f1ea2161a0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#15 0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x55f1ea2161a0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#16 0x00007f778e499832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x55f1ea2161a0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#17 0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x55f1ea2161a0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#18 0x00007f778e499832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x55f1ea2161a0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#19 0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x55f1ea2161a0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#20 0x00007f778e499832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x55f1ea2161a0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#21 0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x55f1ea2161a0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#22 0x00007f778e49769b in ThreadWeaver::Thread::run (this=0x55f1ea2161a0) at ./src/thread.cpp:103
#23 0x00007f77ce283c72 in QThreadPrivate::start (arg=0x55f1ea2161a0) at thread/qthread_unix.cpp:361
#24 0x00007f77cb1b96db in start_thread (arg=0x7f773effd700) at pthread_create.c:463
#25 0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f773f7fe700 (LWP 5328)):
#0  0x00007f77cb1bf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x55f1ea2dea90) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55f1ea2dea40, cond=0x55f1ea2dea68)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55f1ea2dea68, mutex=0x55f1ea2dea40) at pthread_cond_wait.c:655
#3  0x00007f77ce28adbb in QWaitConditionPrivate::wait (deadline=..., this=0x55f1ea2dea40)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f1ea2386f0, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f77ce28b0c9 in QWaitCondition::wait (this=0x55f1e7c266a8, mutex=0x55f1ea2386f0, 
    time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f778e494c8b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (
    this=this@entry=0x55f1ea367620, th=<optimized out>) at ./src/weaver.cpp:594
#7  0x00007f778e495925 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (
    this=0x55f1ea367620, th=<optimized out>, th@entry=0x7f77300045d0, 
    threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, 
    justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#8  0x00007f778e4997d8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x7f77300045d0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#9  0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x7f77300045d0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#10 0x00007f778e499832 in ThreadWeaver::WorkingHardState::applyForWork (this=0x55f1e7c267a0, 
    th=0x7f77300045d0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#11 0x00007f778e494bed in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, 
    th=0x7f77300045d0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#12 0x00007f778e49769b in ThreadWeaver::Thread::run (this=0x7f77300045d0) at ./src/thread.cpp:103
#13 0x00007f77ce283c72 in QThreadPrivate::start (arg=0x7f77300045d0) at thread/qthread_unix.cpp:361
#14 0x00007f77cb1b96db in start_thread (arg=0x7f773f7fe700) at pthread_create.c:463
#15 0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f776a15f700 (LWP 2086)):
#0  0x00007f77cb1bf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x55f1e85e4e00) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55f1e85e4db0, cond=0x55f1e85e4dd8)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55f1e85e4dd8, mutex=0x55f1e85e4db0) at pthread_cond_wait.c:655
#3  0x00007f77ce28adbb in QWaitConditionPrivate::wait (deadline=..., this=0x55f1e85e4db0)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f1e40476d0, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f77ce28b0c9 in QWaitCondition::wait (this=this@entry=0x55f1e40476d8, 
    mutex=mutex@entry=0x55f1e40476d0, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:208
#6  0x00007f77d25dd6f8 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x55f1e40476c8)
    at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x55f1e4047650)
    at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007f77d25ddb2a in QSGRenderThread::run (this=0x55f1e4047650)
    at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007f77ce283c72 in QThreadPrivate::start (arg=0x55f1e4047650) at thread/qthread_unix.cpp:361
#10 0x00007f77cb1b96db in start_thread (arg=0x7f776a15f700) at pthread_create.c:463
#11 0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f77af7bd700 (LWP 1350)):
#0  0x00007f77cb1bf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x55f1e32703fc) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55f1e32703a8, cond=0x55f1e32703d0)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55f1e32703d0, mutex=0x55f1e32703a8) at pthread_cond_wait.c:655
#3  0x00007f77b4af331a in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f77b4af3047 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f77cb1b96db in start_thread (arg=0x7f77af7bd700) at pthread_create.c:463
#6  0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f77d4786800 (LWP 1204)):
#0  0x00007f77cdb76bf9 in __GI___poll (fds=fds@entry=0x7fff796540c8, nfds=nfds@entry=1, 
    timeout=timeout@entry=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f77d11b8bf4 in poll (__timeout=1000, __nfds=1, __fds=0x7fff796540c8)
    at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  pollDrKonqiSocket (pid=9066, sockfd=4) at ./src/kcrash.cpp:909
#3  0x00007f77d11b91f1 in startProcessInternal (argc=argc@entry=20, argv=argv@entry=0x7fff79654260, 
    waitAndExit=waitAndExit@entry=true, directly=directly@entry=false) at ./src/kcrash.cpp:684
#4  0x00007f77d11b9a6e in KCrash::startProcess (argc=argc@entry=20, argv=argv@entry=0x7fff79654260, 
    waitAndExit=waitAndExit@entry=true) at ./src/kcrash.cpp:637
#5  0x00007f77d11b9f97 in KCrash::defaultCrashHandler (sig=11) at ./src/kcrash.cpp:535
#6  <signal handler called>
#7  0x00007f77d26058e5 in QList<QQuickPointerDevice*>::append (t=<error reading variable>, 
    this=0x7fff79654a10) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:584
#8  QHash<QTouchDevice const*, QQuickPointerDevice*>::values (
    this=this@entry=0x7f77d2ac2f60 <(anonymous namespace)::Q_QGS_g_touchDevices::innerFunction()::holder>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qhash.h:714
#9  0x00007f77d2602152 in QQuickPointerDevice::touchDevices () at items/qquickevents.cpp:652
#10 0x00007f77d2634cda in QQuickWindowPrivate::removeGrabber (this=this@entry=0x55f1e40d2310, 
    grabber=0x55f1e7b37460, mouse=mouse@entry=true, touch=touch@entry=true)
    at items/qquickwindow.cpp:848
#11 0x00007f77d26208b0 in QQuickItemPrivate::derefWindow (this=this@entry=0x55f1ea12dbe0)
    at items/qquickitem.cpp:3065
#12 0x00007f77d2620e27 in QQuickItem::setParentItem (this=0x55f1e7b37460, 
    parentItem=parentItem@entry=0x0) at items/qquickitem.cpp:2756
#13 0x00007f77d270c0e4 in QQuickItemView::destroyingItem (this=<optimized out>, 
    object=<optimized out>) at items/qquickitemview.cpp:2340
#14 0x00007f77d2710bb4 in QQuickItemView::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, 
    _id=<optimized out>, _a=<optimized out>) at .moc/moc_qquickitemview_p.cpp:537
#15 0x00007f77ce48c875 in QMetaObject::activate (sender=0x55f1e3bf0d50, signalOffset=<optimized out>, 
    local_signal_index=local_signal_index@entry=4, argv=argv@entry=0x7fff79654d20)
    at kernel/qobject.cpp:3795
#16 0x00007f77ce48cf47 in QMetaObject::activate (sender=<optimized out>, 
    m=m@entry=0x7f77d2412020 <QQmlInstanceModel::staticMetaObject>, 
    local_signal_index=local_signal_index@entry=4, argv=argv@entry=0x7fff79654d20)
    at kernel/qobject.cpp:3648
#17 0x00007f77d20b3de2 in QQmlInstanceModel::destroyingItem (this=<optimized out>, 
    _t1=<optimized out>, _t1@entry=0x55f1e7b37460) at .moc/moc_qqmlobjectmodel_p.cpp:246
#18 0x00007f77d20d9bb1 in QQmlDelegateModelPrivate::emitDestroyingItem (item=0x55f1e7b37460, 
    this=0x55f1e8323c60) at types/qqmldelegatemodel_p_p.h:287
#19 QQmlDelegateModelPrivate::release (this=0x55f1e8323c60, object=0x55f1e7b37460)
    at types/qqmldelegatemodel.cpp:600
#20 0x00007f77d20d9c22 in QQmlDelegateModelPrivate::release (object=<optimized out>, 
    this=<optimized out>) at types/qqmldelegatemodel.cpp:614
#21 QQmlDelegateModel::release (this=<optimized out>, item=<optimized out>)
    at types/qqmldelegatemodel.cpp:616
#22 0x00007f77d270c2d2 in QQuickItemViewPrivate::releaseItem (this=this@entry=0x55f1e8491390, 
    item=0x55f1ea3d63d0) at items/qquickitemview.cpp:2354
#23 0x00007f77d271d7da in QQuickListViewPrivate::releaseItem (this=0x55f1e8491390, 
    item=<optimized out>) at items/qquicklistview.cpp:642
#24 0x00007f77d270b69c in QQuickItemViewPrivate::releaseVisibleItems (this=0x55f1e8491390)
    at items/qquickitemview_p_p.h:245
#25 QQuickItemViewPrivate::clear (this=this@entry=0x55f1e8491390) at items/qquickitemview.cpp:1665
#26 0x00007f77d271d76f in QQuickListViewPrivate::clear (this=0x55f1e8491390)
    at items/qquicklistview.cpp:590
#27 0x00007f77d270f2e7 in QQuickItemViewPrivate::regenerate (this=0x55f1e8491390, 
    orientationChanged=<optimized out>) at items/qquickitemview.cpp:1779
#28 0x00007f77d270f4e4 in QQuickItemView::modelUpdated (this=0x55f1ea48de50, changeSet=..., 
    reset=<optimized out>) at items/qquickitemview.cpp:1192
#29 0x00007f77d2710ba0 in QQuickItemView::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, 
    _id=<optimized out>, _a=<optimized out>) at .moc/moc_qquickitemview_p.cpp:536
#30 0x00007f77ce48c875 in QMetaObject::activate (sender=sender@entry=0x55f1e3bf0d50, 
    signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, 
    argv=argv@entry=0x7fff79655070) at kernel/qobject.cpp:3795
#31 0x00007f77ce48cf47 in QMetaObject::activate (sender=sender@entry=0x55f1e3bf0d50, 
    m=m@entry=0x7f77d2412020 <QQmlInstanceModel::staticMetaObject>, 
    local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fff79655070)
    at kernel/qobject.cpp:3648
#32 0x00007f77d20b3ca6 in QQmlInstanceModel::modelUpdated (this=this@entry=0x55f1e3bf0d50, _t1=..., 
    _t2=<optimized out>) at .moc/moc_qqmlobjectmodel_p.cpp:225
#33 0x00007f77d20d0138 in QQmlDelegateModelPrivate::emitModelUpdated (this=<optimized out>, 
    changeSet=..., reset=<optimized out>) at types/qqmldelegatemodel.cpp:1568
#34 0x00007f77d20d675f in QQmlDelegateModelGroupPrivate::emitModelUpdated (this=0x55f1ea3e59a0, 
    reset=reset@entry=true) at types/qqmldelegatemodel.cpp:2441
#35 0x00007f77d20d68dc in QQmlDelegateModelPrivate::emitChanges (this=0x55f1e8323c60)
    at types/qqmldelegatemodel.cpp:1613
#36 0x00007f77d20dd809 in QQmlDelegateModel::_q_modelReset (this=0x55f1e3bf0d50)
    at types/qqmldelegatemodel.cpp:1653
#37 0x00007f77d20ddbf5 in QQmlDelegateModel::qt_static_metacall (_o=_o@entry=0x55f1e3bf0d50, 
    _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=7, _a=_a@entry=0x7fff79655380)
    at .moc/moc_qqmldelegatemodel_p.cpp:197
#38 0x00007f77d20de085 in QQmlDelegateModel::qt_metacall (this=0x55f1e3bf0d50, 
    _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0x7fff79655380)
    at .moc/moc_qqmldelegatemodel_p.cpp:334
#39 0x00007f77ce48c939 in QMetaObject::activate (sender=sender@entry=0x55f1e83bcb50, 
    signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=18, 
    argv=argv@entry=0x7fff79655380) at kernel/qobject.cpp:3812
#40 0x00007f77ce48cf47 in QMetaObject::activate (sender=sender@entry=0x55f1e83bcb50, 
    m=m@entry=0x7f77ce9085a0 <QAbstractItemModel::staticMetaObject>, 
    local_signal_index=local_signal_index@entry=18, argv=argv@entry=0x7fff79655380)
    at kernel/qobject.cpp:3648
#41 0x00007f77ce4049aa in QAbstractItemModel::modelReset (this=this@entry=0x55f1e83bcb50, _t1=...)
    at .moc/moc_qabstractitemmodel.cpp:647
#42 0x00007f77ce40653c in QAbstractItemModel::endResetModel (this=this@entry=0x55f1e83bcb50)
    at itemmodels/qabstractitemmodel.cpp:3276
#43 0x00007f77ce42f892 in QSortFilterProxyModelPrivate::_q_sourceReset (this=0x55f1e9c6c1c0)
    at itemmodels/qsortfilterproxymodel.cpp:1546
#44 0x00007f77ce433c51 in QSortFilterProxyModel::qt_static_metacall (_o=<optimized out>, 
    _c=<optimized out>, _id=<optimized out>, _a=<optimized out>)
    at .moc/moc_qsortfilterproxymodel.cpp:227
#45 0x00007f77ce48c875 in QMetaObject::activate (sender=sender@entry=0x55f1e3c20810, 
    signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=18, 
    argv=argv@entry=0x7fff79655520) at kernel/qobject.cpp:3795
#46 0x00007f77ce48cf47 in QMetaObject::activate (sender=sender@entry=0x55f1e3c20810, 
    m=m@entry=0x7f77ce9085a0 <QAbstractItemModel::staticMetaObject>, 
    local_signal_index=local_signal_index@entry=18, argv=argv@entry=0x7fff79655520)
    at kernel/qobject.cpp:3648
#47 0x00007f77ce4049aa in QAbstractItemModel::modelReset (this=this@entry=0x55f1e3c20810, _t1=...)
    at .moc/moc_qabstractitemmodel.cpp:647
#48 0x00007f77ce40653c in QAbstractItemModel::endResetModel (this=this@entry=0x55f1e3c20810)
    at itemmodels/qabstractitemmodel.cpp:3276
#49 0x00007f779074f3f2 in HistoryModel::clear (this=this@entry=0x55f1e3c20810)
    at ./klipper/historymodel.cpp:42
#50 0x00007f779074f437 in HistoryModel::~HistoryModel (this=0x55f1e3c20810, __in_chrg=<optimized out>)
    at ./klipper/historymodel.cpp:34
#51 0x00007f779074f469 in HistoryModel::~HistoryModel (this=0x55f1e3c20810, __in_chrg=<optimized out>)
    at ./klipper/historymodel.cpp:35
#52 0x00007f77ce48a3bb in QObjectPrivate::deleteChildren (this=this@entry=0x7f77b8011470)
    at kernel/qobject.cpp:2010
#53 0x00007f77ce493ffb in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>)
    at kernel/qobject.cpp:1032
#54 0x00007f77d2d23aa9 in Plasma::DataContainer::~DataContainer() ()
   from /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#55 0x00007f77ce48a3bb in QObjectPrivate::deleteChildren (this=this@entry=0x55f1e3c1cc90)
    at kernel/qobject.cpp:2010
#56 0x00007f77ce493ffb in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>)
    at kernel/qobject.cpp:1032
#57 0x00007f779075c4a3 in ClipboardEngine::~ClipboardEngine (this=0x55f1e3c1cc60, 
    __in_chrg=<optimized out>) at ./klipper/clipboardengine.cpp:54
#58 ClipboardEngine::~ClipboardEngine (this=0x55f1e3c1cc60, __in_chrg=<optimized out>)
    at ./klipper/clipboardengine.cpp:57
#59 0x00007f77d2d3b4ba in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#60 0x00007f77d2d3b589 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#61 0x00007f77cdaa5041 in __run_exit_handlers (status=status@entry=1, 
    listp=0x7f77cde4d718 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true, 
    run_dtors=run_dtors@entry=true) at exit.c:108
#62 0x00007f77cdaa513a in __GI_exit (status=status@entry=1) at exit.c:139
#63 0x00007f77c1d7c24e in QtWaylandClient::QWaylandDisplay::exitWithError (
    this=this@entry=0x55f1e304be60) at qwaylanddisplay.cpp:205
#64 0x00007f77c1d7c2a6 in QtWaylandClient::QWaylandDisplay::flushRequests (this=0x55f1e304be60)
    at qwaylanddisplay.cpp:188
#65 0x00007f77ce48c875 in QMetaObject::activate (sender=sender@entry=0x55f1e30a2c00, 
    signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, 
    argv=argv@entry=0x7fff796559a0) at kernel/qobject.cpp:3795
#66 0x00007f77ce48cf47 in QMetaObject::activate (sender=sender@entry=0x55f1e30a2c00, 
    m=m@entry=0x7f77ce909c60 <QSocketNotifier::staticMetaObject>, 
    local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff796559a0)
    at kernel/qobject.cpp:3648
#67 0x00007f77ce499178 in QSocketNotifier::activated (this=this@entry=0x55f1e30a2c00, 
    _t1=<optimized out>, _t2=...) at .moc/moc_qsocketnotifier.cpp:140
#68 0x00007f77ce499532 in QSocketNotifier::event (this=0x55f1e30a2c00, e=0x7fff79655c80)
    at kernel/qsocketnotifier.cpp:266
#69 0x00007f77cfdbc65c in QApplicationPrivate::notify_helper (this=this@entry=0x55f1e30479c0, 
    receiver=receiver@entry=0x55f1e30a2c00, e=e@entry=0x7fff79655c80) at kernel/qapplication.cpp:3736
#70 0x00007f77cfdc3b90 in QApplication::notify (this=0x7fff79655fc0, receiver=0x55f1e30a2c00, 
    e=0x7fff79655c80) at kernel/qapplication.cpp:3483
#71 0x00007f77ce45cd18 in QCoreApplication::notifyInternal2 (receiver=0x55f1e30a2c00, 
    event=0x7fff79655c80) at kernel/qcoreapplication.cpp:1060
#72 0x00007f77ce45ceee in QCoreApplication::sendEvent (receiver=<optimized out>, 
    event=event@entry=0x7fff79655c80) at kernel/qcoreapplication.cpp:1450
#73 0x00007f77ce4baa18 in socketNotifierSourceDispatch (source=0x55f1e30cbe20)
    at kernel/qeventdispatcher_glib.cpp:106
#74 0x00007f77c7dfe417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#75 0x00007f77c7dfe650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#76 0x00007f77c7dfe6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#77 0x00007f77ce4b9daf in QEventDispatcherGlib::processEvents (this=0x55f1e309e8f0, flags=...)
    at kernel/qeventdispatcher_glib.cpp:422
#78 0x00007f77ce45b03a in QEventLoop::exec (this=this@entry=0x7fff79655ea0, flags=..., 
    flags@entry=...) at kernel/qeventloop.cpp:225
#79 0x00007f77ce464170 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1363
#80 0x000055f1e0f07fbf in main (argc=<optimized out>, argv=<optimized out>) at ./shell/main.cpp:215

Thread 9 (Thread 0x7f776b7ff700 (LWP 1393)):
#0  0x00007f77cdb76bf9 in __GI___poll (fds=0x7f7764004a10, nfds=1, timeout=9987)
    at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f77c7dfe5c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f77c7dfe6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f77ce4b9daf in QEventDispatcherGlib::processEvents (this=0x7f7764000b20, flags=...)
    at kernel/qeventdispatcher_glib.cpp:422
#4  0x00007f77ce45b03a in QEventLoop::exec (this=this@entry=0x7f776b7feda0, flags=..., 
    flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f77ce2824ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007f77ce283c72 in QThreadPrivate::start (arg=0x55f1e84159a0) at thread/qthread_unix.cpp:361
#7  0x00007f77cb1b96db in start_thread (arg=0x7f776b7ff700) at pthread_create.c:463
#8  0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f773dbd8700 (LWP 8740)):
#0  0x00007f77cb1bf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x7f7718046b54) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f7718046b00, cond=0x7f7718046b28)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f7718046b28, mutex=0x7f7718046b00) at pthread_cond_wait.c:655
#3  0x00007f77ce28adbb in QWaitConditionPrivate::wait (deadline=..., this=0x7f7718046b00)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f1e3f6b200, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f77ce28b0c9 in QWaitCondition::wait (this=this@entry=0x55f1e3f6b208, 
    mutex=mutex@entry=0x55f1e3f6b200, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:208
#6  0x00007f77d25dd6f8 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x55f1e3f6b1f8)
    at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x55f1e3f6b180)
    at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007f77d25ddb2a in QSGRenderThread::run (this=0x55f1e3f6b180)
    at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007f77ce283c72 in QThreadPrivate::start (arg=0x55f1e3f6b180) at thread/qthread_unix.cpp:361
#10 0x00007f77cb1b96db in start_thread (arg=0x7f773dbd8700) at pthread_create.c:463
#11 0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f777cbab700 (LWP 1377)):
#0  0x00007f77cb1bf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x55f1e37239e4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55f1e3723990, cond=0x55f1e37239b8)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55f1e37239b8, mutex=0x55f1e3723990) at pthread_cond_wait.c:655
#3  0x00007f77ce28adbb in QWaitConditionPrivate::wait (deadline=..., this=0x55f1e3723990)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f1e63614c0, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f77ce28b0c9 in QWaitCondition::wait (this=this@entry=0x55f1e63614c8, 
    mutex=mutex@entry=0x55f1e63614c0, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:208
#6  0x00007f77d25dd6f8 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x55f1e63614b8)
    at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x55f1e6361440)
    at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007f77d25ddb2a in QSGRenderThread::run (this=0x55f1e6361440)
    at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007f77ce283c72 in QThreadPrivate::start (arg=0x55f1e6361440) at thread/qthread_unix.cpp:361
#10 0x00007f77cb1b96db in start_thread (arg=0x7f777cbab700) at pthread_create.c:463
#11 0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f7768f3e700 (LWP 3639)):
#0  0x00007f77cb1bf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x55f1e7d40f84) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55f1e7d40f30, cond=0x55f1e7d40f58)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55f1e7d40f58, mutex=0x55f1e7d40f30) at pthread_cond_wait.c:655
#3  0x00007f77ce28adbb in QWaitConditionPrivate::wait (deadline=..., this=0x55f1e7d40f30)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f1e7c67370, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f77ce28b0c9 in QWaitCondition::wait (this=this@entry=0x55f1e7c67378, 
    mutex=mutex@entry=0x55f1e7c67370, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:208
#6  0x00007f77d25dd6f8 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x55f1e7c67368)
    at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x55f1e7c672f0)
    at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007f77d25ddb2a in QSGRenderThread::run (this=0x55f1e7c672f0)
    at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007f77ce283c72 in QThreadPrivate::start (arg=0x55f1e7c672f0) at thread/qthread_unix.cpp:361
#10 0x00007f77cb1b96db in start_thread (arg=0x7f7768f3e700) at pthread_create.c:463
#11 0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f7788134700 (LWP 1376)):
#0  0x00007f77cb1bf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, 
    futex_word=0x55f1e4482380) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55f1e4482330, cond=0x55f1e4482358)
    at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55f1e4482358, mutex=0x55f1e4482330) at pthread_cond_wait.c:655
#3  0x00007f77ce28adbb in QWaitConditionPrivate::wait (deadline=..., this=0x55f1e4482330)
    at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55f1e4483140, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007f77ce28b0c9 in QWaitCondition::wait (this=this@entry=0x55f1e4483148, 
    mutex=mutex@entry=0x55f1e4483140, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:208
#6  0x00007f77d25dd6f8 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x55f1e4483138)
    at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x55f1e44830c0)
    at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007f77d25ddb2a in QSGRenderThread::run (this=0x55f1e44830c0)
    at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007f77ce283c72 in QThreadPrivate::start (arg=0x55f1e44830c0) at thread/qthread_unix.cpp:361
#10 0x00007f77cb1b96db in start_thread (arg=0x7f7788134700) at pthread_create.c:463
#11 0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f773cbd6700 (LWP 8739)):
#0  0x00007f779710314b in pa_mainloop_dispatch () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#1  0x00007f77971034de in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007f7797103560 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f77971113c9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f779682b318 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#5  0x00007f77cb1b96db in start_thread (arg=0x7f773cbd6700) at pthread_create.c:463
#6  0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f77bfa93700 (LWP 1213)):
#0  0x00007f77cdb76bf9 in __GI___poll (fds=0x7f77b8003ce0, nfds=1, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f77c7dfe5c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f77c7dfe6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f77ce4b9dcb in QEventDispatcherGlib::processEvents (this=0x7f77b8000b20, flags=...)
    at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f77ce45b03a in QEventLoop::exec (this=this@entry=0x7f77bfa92d70, flags=..., 
    flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f77ce2824ca in QThread::exec (
    this=this@entry=0x7f77cf7dcd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>)
    at thread/qthread.cpp:531
#6  0x00007f77cf565015 in QDBusConnectionManager::run (
    this=0x7f77cf7dcd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>)
    at qdbusconnection.cpp:178
#7  0x00007f77ce283c72 in QThreadPrivate::start (
    arg=0x7f77cf7dcd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>)
    at thread/qthread_unix.cpp:361
#8  0x00007f77cb1b96db in start_thread (arg=0x7f77bfa93700) at pthread_create.c:463
#9  0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f77be05b700 (LWP 1336)):
#0  0x00007f77cdb720b4 in __GI___libc_read (fd=9, buf=0x7f77be05ab70, nbytes=16)
    at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f77c7e432d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f77c7dfe0b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f77c7dfe570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f77c7dfe6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f77ce4b9dcb in QEventDispatcherGlib::processEvents (this=0x7f77b0000b20, flags=...)
    at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f77ce45b03a in QEventLoop::exec (this=this@entry=0x7f77be05ad80, flags=..., 
    flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007f77ce2824ca in QThread::exec (this=this@entry=0x55f1e3127100) at thread/qthread.cpp:531
#8  0x00007f77d2092115 in QQmlThreadPrivate::run (this=0x55f1e3127100) at qml/ftw/qqmlthread.cpp:148
#9  0x00007f77ce283c72 in QThreadPrivate::start (arg=0x55f1e3127100) at thread/qthread_unix.cpp:361
#10 0x00007f77cb1b96db in start_thread (arg=0x7f77be05b700) at pthread_create.c:463
#11 0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f776a960700 (LWP 1394)):
#0  0x00007f77c7e03ea1 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f77c7e04f3c in g_log_default_handler () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f77c7e051cd in g_logv () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f77c7e0533f in g_log () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7795a9a7b7 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007f7795a9a865 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007f77c7dfe285 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f77c7dfe650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f77c7dfe6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f77c7dfe721 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f77c7e26195 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f77cb1b96db in start_thread (arg=0x7f776a960700) at pthread_create.c:463
#12 0x00007f77cdb8388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Comment 1 David Edmundson 2020-02-09 16:46:21 UTC 
Crash is in Qt and this is now an old Qt release, 
Closing as I've not seen any duplicates