Bug 403616 - Akregator crashes after closing tab
Summary: Akregator crashes after closing tab
Status: RESOLVED DUPLICATE of bug 371511
Alias: None
Product: akregator
Classification: Applications
Component: general (show other bugs)
Version: unspecified
Platform: Fedora RPMs Linux
: NOR crash
Target Milestone: ---
Assignee: kdepim bugs
URL:
Keywords: drkonqi
Depends on:
Blocks:
 
Reported: 2019-01-26 08:59 UTC by Rob
Modified: 2019-01-26 10:12 UTC (History)
0 users

See Also:
Latest Commit:
Version Fixed In:

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Description Rob 2019-01-26 08:59:02 UTC 
Application: akregator (5.9.3)

Qt Version: 5.11.3
Frameworks Version: 5.54.0
Operating System: Linux 4.20.3-200.fc29.x86_64 x86_64
Distribution: "Fedora release 29 (Twenty Nine)"

-- Information about the crash:
- What I was doing when the application crashed:

Click on a link in a Feed in the Feed Summary window, resulting in a new Tab opening
Close Tab using the X button in the top right
Click on another Feed in the All Feeds window at the left
Akregator crashes

The crash can be reproduced every time.

-- Backtrace:
Application: Akregator (akregator), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f3fe6245540 (LWP 11526))]

Thread 34 (Thread 0x7f3f31423700 (LWP 13316)):
#0  0x00007f3fead7173c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c539 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2d8 in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd1e36f in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd23188 in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd2446f in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 33 (Thread 0x7f3f32ffd700 (LWP 13295)):
#0  0x00007f3fead71b28 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c607 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2ca in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd1e3b2 in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd23171 in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd2446f in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 32 (Thread 0x7f3f337fe700 (LWP 13294)):
#0  0x00007f3fead71b28 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c607 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2ca in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd1e3b2 in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd23171 in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd24651 in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 31 (Thread 0x7f3f33fff700 (LWP 13293)):
#0  0x00007f3fead71b28 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c607 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2ca in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd1e3b2 in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd23171 in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd24651 in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 30 (Thread 0x7f3f550ba700 (LWP 13276)):
#0  0x00007f3fead71b28 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c607 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2ca in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd1e3b2 in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd23171 in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd2446f in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 29 (Thread 0x7f3f567fc700 (LWP 13275)):
#0  0x00007f3fead71b28 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c607 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2ca in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd1e3b2 in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd23171 in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd2446f in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 28 (Thread 0x7f3f558bb700 (LWP 11571)):
#0  0x00007f3ff2c0cdbc in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007f3ff2c0ec68 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007f3fe787ce7f in event_logv_ () at /lib64/libevent-2.1.so.6
#3  0x00007f3fe787d048 in event_warn () at /lib64/libevent-2.1.so.6
#4  0x00007f3fe787ea40 in epoll_dispatch () at /lib64/libevent-2.1.so.6
#5  0x00007f3fe7874598 in event_base_loop () at /lib64/libevent-2.1.so.6
#6  0x00007f3fedcf0ba9 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fedd100cb in  () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007f3fedd33004 in  () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#11 0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 27 (Thread 0x7f3f577fe700 (LWP 11558)):
#0  0x00007f3fe836d2d8 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007f3fe832525d in  () at /lib64/libglib-2.0.so.0
#2  0x00007f3fe83254d0 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f3ff32a15ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f3ff324fe0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f3ff30b7e86 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f3ff30c12fb in  () at /lib64/libQt5Core.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 26 (Thread 0x7f3f57fff700 (LWP 11557)):
#0  0x00007f3fcd690f10 in do_write () at /usr/lib64/pulseaudio/libpulsecommon-12.2.so
#1  0x00007f3fcd6920ed in do_pstream_read_write () at /usr/lib64/pulseaudio/libpulsecommon-12.2.so
#2  0x00007f3fcd6924ad in srb_callback () at /usr/lib64/pulseaudio/libpulsecommon-12.2.so
#3  0x00007f3fcd692d3a in srbchannel_rwloop () at /usr/lib64/pulseaudio/libpulsecommon-12.2.so
#4  0x00007f3fd8029fd8 in pa_mainloop_dispatch () at /lib64/libpulse.so.0
#5  0x00007f3fd802a2b0 in pa_mainloop_iterate () at /lib64/libpulse.so.0
#6  0x00007f3fd802a350 in pa_mainloop_run () at /lib64/libpulse.so.0
#7  0x00007f3fd80385bd in thread () at /lib64/libpulse.so.0
#8  0x00007f3fcd6a306c in internal_thread_func () at /usr/lib64/pulseaudio/libpulsecommon-12.2.so
#9  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#10 0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 25 (Thread 0x7f3fa0ff9700 (LWP 11556)):
#0  0x00007f3ff2bf002f in write () at /lib64/libc.so.6
#1  0x00007f3ff2b7f95d in _IO_file_write@@GLIBC_2.2.5 () at /lib64/libc.so.6
#2  0x00007f3ff2b7eccf in new_do_write () at /lib64/libc.so.6
#3  0x00007f3ff2b8008e in __GI__IO_file_xsputn () at /lib64/libc.so.6
#4  0x00007f3ff2b562da in buffered_vfprintf () at /lib64/libc.so.6
#5  0x00007f3ff2b536f2 in vfprintf () at /lib64/libc.so.6
#6  0x00007f3ff2c0ecba in __fprintf_chk () at /lib64/libc.so.6
#7  0x00007f3fe787ce7f in event_logv_ () at /lib64/libevent-2.1.so.6
#8  0x00007f3fe787d048 in event_warn () at /lib64/libevent-2.1.so.6
#9  0x00007f3fe787ea40 in epoll_dispatch () at /lib64/libevent-2.1.so.6
#10 0x00007f3fe7874598 in event_base_loop () at /lib64/libevent-2.1.so.6
#11 0x00007f3fedcf0ba9 in  () at /lib64/libQt5WebEngineCore.so.5
#12 0x00007f3fedd100cb in  () at /lib64/libQt5WebEngineCore.so.5
#13 0x00007f3fedd33004 in  () at /lib64/libQt5WebEngineCore.so.5
#14 0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#15 0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#16 0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 24 (Thread 0x7f3fa17fa700 (LWP 11555)):
#0  0x00007f3fead71b28 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c607 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2ca in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedcea6a0 in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd100cb in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd33004 in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 23 (Thread 0x7f3fa1ffb700 (LWP 11554)):
#0  0x00007f3fead71b28 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c607 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2ca in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedcea6a0 in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd100cb in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd33004 in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 22 (Thread 0x7f3fa27fc700 (LWP 11553)):
#0  0x00007f3fead7173c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c539 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fee729048 in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd35b86 in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#6  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 21 (Thread 0x7f3fa2ffd700 (LWP 11552)):
#0  0x00007f3fead7173c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c539 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2d8 in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd1e36f in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd23188 in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd24651 in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 20 (Thread 0x7f3fa37fe700 (LWP 11551)):
[KCrash Handler]
#6  0x0000000000000000 in  ()
#7  0x00007f3fec73094f in  () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007f3fee1dda16 in  () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007f3fee33172b in  () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007f3fed039b9e in  () at /lib64/libQt5WebEngineCore.so.5
#11 0x00007f3fed03a87d in  () at /lib64/libQt5WebEngineCore.so.5
#12 0x00007f3fed03aa6a in  () at /lib64/libQt5WebEngineCore.so.5
#13 0x00007f3fed0341ae in  () at /lib64/libQt5WebEngineCore.so.5
#14 0x00007f3fed035acf in  () at /lib64/libQt5WebEngineCore.so.5
#15 0x00007f3fed0237f5 in  () at /lib64/libQt5WebEngineCore.so.5
#16 0x00007f3fed023100 in  () at /lib64/libQt5WebEngineCore.so.5
#17 0x00007f3fedccc928 in  () at /lib64/libQt5WebEngineCore.so.5
#18 0x00007f3fedced56a in  () at /lib64/libQt5WebEngineCore.so.5
#19 0x00007f3fedcee01f in  () at /lib64/libQt5WebEngineCore.so.5
#20 0x00007f3fedcee19a in  () at /lib64/libQt5WebEngineCore.so.5
#21 0x00007f3fedcf0b92 in  () at /lib64/libQt5WebEngineCore.so.5
#22 0x00007f3fedd100cb in  () at /lib64/libQt5WebEngineCore.so.5
#23 0x00007f3fece219ea in  () at /lib64/libQt5WebEngineCore.so.5
#24 0x00007f3fece21e97 in  () at /lib64/libQt5WebEngineCore.so.5
#25 0x00007f3fedd33138 in  () at /lib64/libQt5WebEngineCore.so.5
#26 0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#27 0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#28 0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 19 (Thread 0x7f3fa3fff700 (LWP 11550)):
#0  0x00007f3fead7173c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c539 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2d8 in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd1e36f in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd23188 in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd2446f in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7f3fa8ff9700 (LWP 11549)):
#0  0x00007f3fead7173c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c539 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2d8 in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd1e36f in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd23188 in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd24651 in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7f3fa97fa700 (LWP 11548)):
#0  0x00007f3fead7173c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c539 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2d8 in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd1e36f in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd23188 in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd2446f in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7f3fa9ffb700 (LWP 11547)):
#0  0x00007f3fead7173c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c539 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2d8 in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd1e36f in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd23188 in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd2446f in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7f3faa7fc700 (LWP 11546)):
#0  0x00007f3fead7173c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c539 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2d8 in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd1e36f in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd23188 in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd2446f in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7f3faaffd700 (LWP 11545)):
#0  0x00007f3fead71b28 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c607 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2ca in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd1e3b2 in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd23171 in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd24651 in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f3fab7fe700 (LWP 11544)):
#0  0x00007f3fead71b28 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c607 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2ca in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd1e3b2 in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd23171 in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd24651 in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f3fabfff700 (LWP 11543)):
#0  0x00007f3fead71b28 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c607 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2ca in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd1e3b2 in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd23171 in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd24651 in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f3fbcff9700 (LWP 11542)):
#0  0x00007f3fead71b28 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c607 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2ca in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd1e3b2 in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd23171 in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd24651 in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f3fbd7fa700 (LWP 11541)):
#0  0x00007f3fead71b28 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c607 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2ca in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd1e3b2 in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd23171 in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd24651 in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f3fbdffb700 (LWP 11540)):
#0  0x00007f3fead71b28 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c607 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2ca in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd1e3b2 in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedd23171 in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd24651 in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f3fbe7fc700 (LWP 11539)):
#0  0x00007f3ff2c0cdbc in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007f3ff2c0ec68 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007f3fe787ce7f in event_logv_ () at /lib64/libevent-2.1.so.6
#3  0x00007f3fe787d048 in event_warn () at /lib64/libevent-2.1.so.6
#4  0x00007f3fe787ea40 in epoll_dispatch () at /lib64/libevent-2.1.so.6
#5  0x00007f3fe7874598 in event_base_loop () at /lib64/libevent-2.1.so.6
#6  0x00007f3fedcf0ce4 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fedd100cb in  () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007f3fedd33004 in  () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#11 0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f3fbeffd700 (LWP 11538)):
#0  0x00007f3fead7173c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fedd1c539 in  () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f3fedd1e2d8 in  () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f3fedd1e36f in  () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f3fedcea68f in  () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f3fedd100cb in  () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f3fedd33004 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#9  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f3fbf7fe700 (LWP 11537)):
#0  0x00007f3ff2c0cdbc in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007f3ff2c0ec68 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007f3fe787ce7f in event_logv_ () at /lib64/libevent-2.1.so.6
#3  0x00007f3fe787d048 in event_warn () at /lib64/libevent-2.1.so.6
#4  0x00007f3fe787ea40 in epoll_dispatch () at /lib64/libevent-2.1.so.6
#5  0x00007f3fe7874598 in event_base_loop () at /lib64/libevent-2.1.so.6
#6  0x00007f3fedcf0ba9 in  () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f3fedd100cb in  () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007f3fedd33004 in  () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007f3fedd2ea81 in  () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#11 0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f3fceaf3700 (LWP 11530)):
#0  0x00007f3fe836d2d8 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007f3fe8324b83 in g_main_context_query () at /lib64/libglib-2.0.so.0
#2  0x00007f3fe8325327 in  () at /lib64/libglib-2.0.so.0
#3  0x00007f3fe83254d0 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007f3ff32a15ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f3ff324fe0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f3ff30b7e86 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007f3ff42bdf89 in  () at /lib64/libQt5DBus.so.5
#8  0x00007f3ff30c12fb in  () at /lib64/libQt5Core.so.5
#9  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#10 0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f3fcf4fd700 (LWP 11529)):
#0  0x00007f3fead7173c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fd35d6c03 in  () at /usr/lib64/dri/r600_dri.so
#2  0x00007f3fd35d695b in  () at /usr/lib64/dri/r600_dri.so
#3  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#4  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f3fcfcfe700 (LWP 11528)):
#0  0x00007f3fead7173c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fd35d6c03 in  () at /usr/lib64/dri/r600_dri.so
#2  0x00007f3fd35d695b in  () at /usr/lib64/dri/r600_dri.so
#3  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#4  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f3fd9017700 (LWP 11527)):
#0  0x00007f3ff2bf4421 in poll () at /lib64/libc.so.6
#1  0x00007f3fe82a239f in  () at /lib64/libxcb.so.1
#2  0x00007f3fe82a401a in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f3fd9126bf9 in  () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f3ff30c12fb in  () at /lib64/libQt5Core.so.5
#5  0x00007f3fead6b58e in start_thread () at /lib64/libpthread.so.0
#6  0x00007f3ff2bff6a3 in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f3fe6245540 (LWP 11526)):
#0  0x00007f3fead7173c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3fe82a25a2 in  () at /lib64/libxcb.so.1
#2  0x00007f3fe82a3d2f in  () at /lib64/libxcb.so.1
#3  0x00007f3fe82a3e46 in xcb_wait_for_reply () at /lib64/libxcb.so.1
#4  0x00007f3fd914c181 in  () at /lib64/libQt5XcbQpa.so.5
#5  0x00007f3fd914c2b0 in  () at /lib64/libQt5XcbQpa.so.5
#6  0x00007f3ff360135b in QCursor::pos(QScreen const*) () at /lib64/libQt5Gui.so.5
#7  0x00007f3ff3e014d8 in QTreeView::drawTree(QPainter*, QRegion const&) const () at /lib64/libQt5Widgets.so.5
#8  0x00007f3ff3e06089 in QTreeView::paintEvent(QPaintEvent*) () at /lib64/libQt5Widgets.so.5
#9  0x00007f3ff3b81378 in QWidget::event(QEvent*) () at /lib64/libQt5Widgets.so.5
#10 0x00007f3ff3c25ac2 in QFrame::event(QEvent*) () at /lib64/libQt5Widgets.so.5
#11 0x00007f3ff3d9d91b in QAbstractItemView::viewportEvent(QEvent*) () at /lib64/libQt5Widgets.so.5
#12 0x00007f3ff3e0707f in QTreeView::viewportEvent(QEvent*) () at /lib64/libQt5Widgets.so.5
#13 0x00007f3ff3250d0e in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#14 0x00007f3ff3b42275 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#15 0x00007f3ff3b499a0 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#16 0x00007f3ff3250ec6 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#17 0x00007f3ff3b79e9e in QWidgetPrivate::sendPaintEvent(QRegion const&) () at /lib64/libQt5Widgets.so.5
#18 0x00007f3ff3b7a757 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#19 0x00007f3ff3b7b351 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#20 0x00007f3ff3b7b240 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#21 0x00007f3ff3b7b240 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#22 0x00007f3ff3b7b240 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#23 0x00007f3ff3b7b240 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#24 0x00007f3ff3b7a3dc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#25 0x00007f3ff3b7b351 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#26 0x00007f3ff3b7a3dc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#27 0x00007f3ff3b7b351 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#28 0x00007f3ff3b7a3dc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#29 0x00007f3ff3b7b351 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#30 0x00007f3ff3b7a3dc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#31 0x00007f3ff3b7b351 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#32 0x00007f3ff3b7a3dc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#33 0x00007f3ff3b7b351 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#34 0x00007f3ff3b7a3dc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#35 0x00007f3ff3b7b351 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#36 0x00007f3ff3b7a3dc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#37 0x00007f3ff3b7b351 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#38 0x00007f3ff3b7a3dc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#39 0x00007f3ff3b7b351 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#40 0x00007f3ff3b7a3dc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#41 0x00007f3ff3b7b351 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#42 0x00007f3ff3b7a3dc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#43 0x00007f3ff3b7b351 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#44 0x00007f3ff3b7a3dc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#45 0x00007f3ff3b5187c in  () at /lib64/libQt5Widgets.so.5
#46 0x00007f3ff3b51a31 in  () at /lib64/libQt5Widgets.so.5
#47 0x00007f3ff3b691e5 in QWidgetPrivate::syncBackingStore() () at /lib64/libQt5Widgets.so.5
#48 0x00007f3ff3b814a8 in QWidget::event(QEvent*) () at /lib64/libQt5Widgets.so.5
#49 0x00007f3ff3c8aa28 in QMainWindow::event(QEvent*) () at /lib64/libQt5Widgets.so.5
#50 0x00007f3ff4bbed0b in KMainWindow::event(QEvent*) () at /lib64/libKF5XmlGui.so.5
#51 0x00007f3ff4c095d9 in KXmlGuiWindow::event(QEvent*) () at /lib64/libKF5XmlGui.so.5
#52 0x00007f3ff3b42285 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#53 0x00007f3ff3b499a0 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#54 0x00007f3ff3250ec6 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#55 0x00007f3ff325409b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#56 0x00007f3ff32a1807 in  () at /lib64/libQt5Core.so.5
#57 0x00007f3fe832506d in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#58 0x00007f3fe8325438 in  () at /lib64/libglib-2.0.so.0
#59 0x00007f3fe83254d0 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#60 0x00007f3ff32a1593 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#61 0x00007f3fd91ba855 in  () at /lib64/libQt5XcbQpa.so.5
#62 0x00007f3ff324fe0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#63 0x00007f3ff3257ed6 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#64 0x000055915f12666c in  ()
#65 0x00007f3ff2b26413 in __libc_start_main () at /lib64/libc.so.6
#66 0x000055915f12682e in _start ()
[Inferior 1 (process 11526) detached]

Reported using DrKonqi
Comment 1 Colin J Thomson 2019-01-26 10:12:14 UTC 
Probably related to this.

*** This bug has been marked as a duplicate of bug 371511 ***