Bug 406304

Summary: Kontact crash trying to access settings
Product: [Applications] kontact Reporter: Fabian <tonymt00>
Component: generalAssignee: kdepim bugs <kdepim-bugs>
Status: RESOLVED DUPLICATE    
Severity: normal CC: wbauer1
Priority: NOR    
Version: 5.10.3   
Target Milestone: ---   
Platform: Neon   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Fabian 2019-04-07 15:44:39 UTC 
SUMMARY

When clicking Settings --> Configure Kontact it crash each time.

STEPS TO REPRODUCE
1. Open Kontact
2. Click Settings --> Configure Kontact

OBSERVED RESULT

Kontact crashs

EXPECTED RESULT

Kontact does not crash

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 5.15,4
KDE Frameworks Version: 5.56.0
Qt Version: 5.12.0

ADDITIONAL INFORMATION

Backtrace: 
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fdcdc690bc0 (LWP 5003))]

Thread 27 (Thread 0x7fdb8b67e700 (LWP 5077)):
#0  0x00007fdcd48cced9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fdb8b67d710, expected=0, futex_word=0x7fdb8b67d8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fdcd48cced9 in __pthread_cond_wait_common (abstime=0x7fdb8b67d7b0, mutex=0x7fdb8b67d8a8, cond=0x7fdb8b67d8d0) at pthread_cond_wait.c:533
#2  0x00007fdcd48cced9 in __pthread_cond_timedwait (cond=0x7fdb8b67d8d0, mutex=0x7fdb8b67d8a8, abstime=0x7fdb8b67d7b0) at pthread_cond_wait.c:667
#3  0x00007fdcc9f2c177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fdcc9f2cada in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fdcc9f2cbc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fdcc9eea851 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fdcc9eed387 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fdcc9eed974 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fdcc9f2ecd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fdcd48c66db in start_thread (arg=0x7fdb8b67e700) at pthread_create.c:463
#11 0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7fdb8be7f700 (LWP 5076)):
#0  0x00007fdcd48cced9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fdb8be7e710, expected=0, futex_word=0x7fdb8be7e8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fdcd48cced9 in __pthread_cond_wait_common (abstime=0x7fdb8be7e7b0, mutex=0x7fdb8be7e8a8, cond=0x7fdb8be7e8d0) at pthread_cond_wait.c:533
#2  0x00007fdcd48cced9 in __pthread_cond_timedwait (cond=0x7fdb8be7e8d0, mutex=0x7fdb8be7e8a8, abstime=0x7fdb8be7e7b0) at pthread_cond_wait.c:667
#3  0x00007fdcc9f2c177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fdcc9f2cada in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fdcc9f2cbc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fdcc9eea851 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fdcc9eed387 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fdcc9eed974 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fdcc9f2ecd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fdcd48c66db in start_thread (arg=0x7fdb8be7f700) at pthread_create.c:463
#11 0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7fdb93bbf700 (LWP 5051)):
#0  0x00007fdcd8fc00b4 in __GI___libc_read (fd=84, buf=0x7fdb93bbe7d0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fdcd2a3ecd0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdcd29fa027 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdcd29fa4e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fdcd29fa64c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fdcd9b1f15b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fdcd9ac064a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fdcd98e841a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fdcd98e9bc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fdcd48c66db in start_thread (arg=0x7fdb93bbf700) at pthread_create.c:463
#10 0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7fdba18c7700 (LWP 5048)):
#0  0x00007fdcd8fc4bf9 in __GI___poll (fds=0x7fdb98022070, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fdcd29fa539 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdcd29fa64c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdcd9b1f15b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fdcd9ac064a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fdcd98e841a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fdcd98e9bc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fdcd48c66db in start_thread (arg=0x7fdba18c7700) at pthread_create.c:463
#8  0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7fdba20c8700 (LWP 5046)):
#0  0x00007fdcd29fa0a6 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fdcd29fa5c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdcd29fa64c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdcd9b1f15b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fdcd9ac064a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fdcd98e841a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fdcd98e9bc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fdcd48c66db in start_thread (arg=0x7fdba20c8700) at pthread_create.c:463
#8  0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7fdba2f67700 (LWP 5045)):
#0  0x00007fdcd2a40049 in g_mutex_lock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fdcd29f9905 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdcd29fa46b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdcd29fa64c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fdcd9b1f15b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fdcd9ac064a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fdcd98e841a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fdcd98e9bc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fdcd48c66db in start_thread (arg=0x7fdba2f67700) at pthread_create.c:463
#9  0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7fdc68fb3700 (LWP 5044)):
#0  0x00007fdcd48cced9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fdc68fb2710, expected=0, futex_word=0x7fdc68fb28f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fdcd48cced9 in __pthread_cond_wait_common (abstime=0x7fdc68fb27b0, mutex=0x7fdc68fb28a8, cond=0x7fdc68fb28d0) at pthread_cond_wait.c:533
#2  0x00007fdcd48cced9 in __pthread_cond_timedwait (cond=0x7fdc68fb28d0, mutex=0x7fdc68fb28a8, abstime=0x7fdc68fb27b0) at pthread_cond_wait.c:667
#3  0x00007fdcc9f2c177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fdcc9f2cada in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fdcc9f2cbc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fdcc9eea851 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fdcc9eed6b6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fdcc9eed974 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fdcc9f2ecd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fdcd48c66db in start_thread (arg=0x7fdc68fb3700) at pthread_create.c:463
#11 0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7fdc6995e700 (LWP 5029)):
#0  0x00007fdcd48cc9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fdc6995d908) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdcd48cc9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fdc6995d8b8, cond=0x7fdc6995d8e0) at pthread_cond_wait.c:502
#2  0x00007fdcd48cc9f3 in __pthread_cond_wait (cond=0x7fdc6995d8e0, mutex=0x7fdc6995d8b8) at pthread_cond_wait.c:655
#3  0x00007fdcc9f2c0a9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fdcc9f2cae8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fdcc9f2cb7f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fdcc9eea868 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fdcc9eed6b6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fdcc9eed9f4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fdcc9f2ecd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fdcd48c66db in start_thread (arg=0x7fdc6995e700) at pthread_create.c:463
#11 0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7fdc6a15f700 (LWP 5028)):
#0  0x00007fdcd8fe06ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fdcd8fe2474 in ___fprintf_chk (fp=0x7fdcd929d8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7fdcc15336a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fdcc151b9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007fdcc151bb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007fdcc151d46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fdcc1513114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fdcc9f32789 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fdcc9ec949b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fdcc9efbd21 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fdcc9f2ecd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fdcd48c66db in start_thread (arg=0x7fdc6a15f700) at pthread_create.c:463
#11 0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7fdc6b7fe700 (LWP 5027)):
#0  0x00007fdcd48cc9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fdcc2c59fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdcd48cc9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fdcc2c59f68, cond=0x7fdcc2c59f90) at pthread_cond_wait.c:502
#2  0x00007fdcd48cc9f3 in __pthread_cond_wait (cond=0x7fdcc2c59f90, mutex=0x7fdcc2c59f68) at pthread_cond_wait.c:655
#3  0x00007fdcc2963844 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007fdcc2963889 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007fdcd48c66db in start_thread (arg=0x7fdc6b7fe700) at pthread_create.c:463
#6  0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7fdc7096f700 (LWP 5026)):
#0  0x00007fdcd8fc00b4 in __GI___libc_read (fd=46, buf=0x7fdc7096e81e, nbytes=10) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fdc9034e021 in pa_read () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007fdc905cca2e in pa_mainloop_prepare () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fdc905cd4a0 in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fdc905cd560 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fdc905db3c9 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fdc9037d318 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007fdcd48c66db in start_thread (arg=0x7fdc7096f700) at pthread_create.c:463
#8  0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fdc717fa700 (LWP 5025)):
#0  0x00007fdcd8fe06ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fdcd8fe2474 in ___fprintf_chk (fp=0x7fdcd929d8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7fdcc15336a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fdcc151b9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007fdcc151bb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007fdcc151d46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fdcc1513114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fdcc9f327dd in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fdcc9ec949b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fdcc9efbd21 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fdcc9f2ecd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fdcd48c66db in start_thread (arg=0x7fdc717fa700) at pthread_create.c:463
#11 0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fdc71ffb700 (LWP 5024)):
#0  0x00007fdcd48cced9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fdc71ffa700, expected=0, futex_word=0x7fdc71ffa8e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fdcd48cced9 in __pthread_cond_wait_common (abstime=0x7fdc71ffa7a0, mutex=0x7fdc71ffa898, cond=0x7fdc71ffa8c0) at pthread_cond_wait.c:533
#2  0x00007fdcd48cced9 in __pthread_cond_timedwait (cond=0x7fdc71ffa8c0, mutex=0x7fdc71ffa898, abstime=0x7fdc71ffa7a0) at pthread_cond_wait.c:667
#3  0x00007fdcc9f2c177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fdcc9f2cada in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fdcc9ea6b70 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fdcc9ec949b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fdcc9efbd21 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fdcc9f2ecd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fdcd48c66db in start_thread (arg=0x7fdc71ffb700) at pthread_create.c:463
#10 0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fdc727fc700 (LWP 5023)):
#0  0x00007fdcd48cced9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fdc727fb700, expected=0, futex_word=0x7fdc727fb8e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fdcd48cced9 in __pthread_cond_wait_common (abstime=0x7fdc727fb7a0, mutex=0x7fdc727fb898, cond=0x7fdc727fb8c0) at pthread_cond_wait.c:533
#2  0x00007fdcd48cced9 in __pthread_cond_timedwait (cond=0x7fdc727fb8c0, mutex=0x7fdc727fb898, abstime=0x7fdc727fb7a0) at pthread_cond_wait.c:667
#3  0x00007fdcc9f2c177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fdcc9f2cada in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fdcc9ea6b70 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fdcc9ec949b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fdcc9efbd21 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fdcc9f2ecd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fdcd48c66db in start_thread (arg=0x7fdc727fc700) at pthread_create.c:463
#10 0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fdc72ffd700 (LWP 5022)):
#0  0x00007fdcd48cc9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55fadf0be838) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdcd48cc9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55fadf0be778, cond=0x55fadf0be810) at pthread_cond_wait.c:502
#2  0x00007fdcd48cc9f3 in __pthread_cond_wait (cond=0x55fadf0be810, mutex=0x55fadf0be778) at pthread_cond_wait.c:655
#3  0x00007fdcc9f2c0a9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fdcca7f5b28 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fdcc9efd2df in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fdcc9f2ecd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fdcd48c66db in start_thread (arg=0x7fdc72ffd700) at pthread_create.c:463
#8  0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fdc737fe700 (LWP 5021)):
#0  0x00007fdcd48cc9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fdc737fd908) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdcd48cc9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fdc737fd8b8, cond=0x7fdc737fd8e0) at pthread_cond_wait.c:502
#2  0x00007fdcd48cc9f3 in __pthread_cond_wait (cond=0x7fdc737fd8e0, mutex=0x7fdc737fd8b8) at pthread_cond_wait.c:655
#3  0x00007fdcc9f2c0a9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fdcc9f2cae8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fdcc9f2cb7f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fdcc9eea868 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fdcc9eed6b6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fdcc9eed9b4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fdcc9f2ecd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fdcd48c66db in start_thread (arg=0x7fdc737fe700) at pthread_create.c:463
#11 0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fdc73fff700 (LWP 5020)):
#0  0x00007fdcd8fc0187 in __GI___libc_write (fd=2, buf=0x7fdc73ffbc20, nbytes=39) at ../sysdeps/unix/sysv/linux/write.c:27
#1  0x00007fdcd8f3b1bd in _IO_new_file_write (f=0x7fdcd929c680 <_IO_2_1_stderr_>, data=0x7fdc73ffbc20, n=39) at fileops.c:1203
#2  0x00007fdcd8f3bb2f in new_do_write (to_do=<optimized out>, data=0x7fdc73ffbc20 "[warn] epoll_wait: Bad file descriptor\n", fp=0x7fdcd929c680 <_IO_2_1_stderr_>) at fileops.c:457
#3  0x00007fdcd8f3bb2f in _IO_new_file_xsputn (f=0x7fdcd929c680 <_IO_2_1_stderr_>, data=<optimized out>, n=39) at fileops.c:1277
#4  0x00007fdcd8f0e707 in buffered_vfprintf (s=s@entry=0x7fdcd929c680 <_IO_2_1_stderr_>, format=format@entry=0x7fdcc15336a8 "[%s] %s\n", args=args@entry=0x7fdc73ffe1e0) at vfprintf.c:2350
#5  0x00007fdcd8f0b726 in _IO_vfprintf_internal (s=s@entry=0x7fdcd929c680 <_IO_2_1_stderr_>, format=0x7fdcc15336a8 "[%s] %s\n", ap=ap@entry=0x7fdc73ffe1e0) at vfprintf.c:1301
#6  0x00007fdcd8fe24c6 in ___fprintf_chk (fp=0x7fdcd929c680 <_IO_2_1_stderr_>, flag=1, format=<optimized out>) at fprintf_chk.c:35
#7  0x00007fdcc151b9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007fdcc151bb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007fdcc151d46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007fdcc1513114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007fdcc9f328c4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fdcc9ec949b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007fdcc9881754 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007fdcc9efbe78 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007fdcc9f2ecd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007fdcd48c66db in start_thread (arg=0x7fdc73fff700) at pthread_create.c:463
#17 0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fdc6bfff700 (LWP 5019)):
#0  0x00007fdcd48cced9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fdc6bffe710, expected=0, futex_word=0x7fdc6bffe8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fdcd48cced9 in __pthread_cond_wait_common (abstime=0x7fdc6bffe7b0, mutex=0x7fdc6bffe8a8, cond=0x7fdc6bffe8d0) at pthread_cond_wait.c:533
#2  0x00007fdcd48cced9 in __pthread_cond_timedwait (cond=0x7fdc6bffe8d0, mutex=0x7fdc6bffe8a8, abstime=0x7fdc6bffe7b0) at pthread_cond_wait.c:667
#3  0x00007fdcc9f2c177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fdcc9f2cada in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fdcc9f2cbc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fdcc9eea851 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fdcc9eed6b6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fdcc9eed974 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fdcc9f2ecd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fdcd48c66db in start_thread (arg=0x7fdc6bfff700) at pthread_create.c:463
#11 0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fdc90ff9700 (LWP 5018)):
#0  0x00007fdcd48cced9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fdc90ff8710, expected=0, futex_word=0x7fdc90ff88f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fdcd48cced9 in __pthread_cond_wait_common (abstime=0x7fdc90ff87b0, mutex=0x7fdc90ff88a8, cond=0x7fdc90ff88d0) at pthread_cond_wait.c:533
#2  0x00007fdcd48cced9 in __pthread_cond_timedwait (cond=0x7fdc90ff88d0, mutex=0x7fdc90ff88a8, abstime=0x7fdc90ff87b0) at pthread_cond_wait.c:667
#3  0x00007fdcc9f2c177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fdcc9f2cada in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fdcc9f2cbc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fdcc9eea851 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fdcc9eed6b6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fdcc9eed974 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fdcc9f2ecd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fdcd48c66db in start_thread (arg=0x7fdc90ff9700) at pthread_create.c:463
#11 0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fdc917fa700 (LWP 5017)):
#0  0x00007fdcd48cced9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fdc917f9710, expected=0, futex_word=0x7fdc917f98f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fdcd48cced9 in __pthread_cond_wait_common (abstime=0x7fdc917f97b0, mutex=0x7fdc917f98a8, cond=0x7fdc917f98d0) at pthread_cond_wait.c:533
#2  0x00007fdcd48cced9 in __pthread_cond_timedwait (cond=0x7fdc917f98d0, mutex=0x7fdc917f98a8, abstime=0x7fdc917f97b0) at pthread_cond_wait.c:667
#3  0x00007fdcc9f2c177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fdcc9f2cada in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fdcc9f2cbc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fdcc9eea851 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fdcc9eed6b6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fdcc9eed974 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fdcc9f2ecd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fdcd48c66db in start_thread (arg=0x7fdc917fa700) at pthread_create.c:463
#11 0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fdc91ffb700 (LWP 5016)):
#0  0x00007fdcd48cced9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fdc91ffa710, expected=0, futex_word=0x7fdc91ffa8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fdcd48cced9 in __pthread_cond_wait_common (abstime=0x7fdc91ffa7b0, mutex=0x7fdc91ffa8a8, cond=0x7fdc91ffa8d0) at pthread_cond_wait.c:533
#2  0x00007fdcd48cced9 in __pthread_cond_timedwait (cond=0x7fdc91ffa8d0, mutex=0x7fdc91ffa8a8, abstime=0x7fdc91ffa7b0) at pthread_cond_wait.c:667
#3  0x00007fdcc9f2c177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fdcc9f2cada in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fdcc9f2cbc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fdcc9eea851 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fdcc9eed6b6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fdcc9eed974 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fdcc9f2ecd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fdcd48c66db in start_thread (arg=0x7fdc91ffb700) at pthread_create.c:463
#11 0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fdc927fc700 (LWP 5015)):
#0  0x00007fdcd8fe06ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fdcd8fe2474 in ___fprintf_chk (fp=0x7fdcd929d8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7fdcc15336a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fdcc151b9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007fdcc151bb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007fdcc151d46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fdcc1513114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fdcc9f32789 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fdcc9ec949b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fdcc9ef0f44 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fdcc9efbe78 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fdcc9f2ecd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fdcd48c66db in start_thread (arg=0x7fdc927fc700) at pthread_create.c:463
#12 0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fdc937fe700 (LWP 5013)):
#0  0x00007fdcd8fe06ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fdcd8fe2474 in ___fprintf_chk (fp=0x7fdcd929d8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7fdcc15336a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fdcc151b9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007fdcc151bb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007fdcc151d46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fdcc1513114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fdcc9f32789 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fdcc9ec949b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fdcc9efbd21 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fdcc9f2ecd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fdcd48c66db in start_thread (arg=0x7fdc937fe700) at pthread_create.c:463
#11 0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fdc9a6bb700 (LWP 5006)):
#0  0x00007fdcd9b1ee76 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007fdcd29f9a98 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdcd29fa46b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdcd29fa64c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fdcd9b1f15b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fdcd9ac064a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fdcd98e841a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fdcd8209015 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007fdcd98e9bc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fdcd48c66db in start_thread (arg=0x7fdc9a6bb700) at pthread_create.c:463
#10 0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fdca41d1700 (LWP 5005)):
#0  0x00007fdcd48cc9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55fadea8cf2c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fdcd48cc9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55fadea8ced8, cond=0x55fadea8cf00) at pthread_cond_wait.c:502
#2  0x00007fdcd48cc9f3 in __pthread_cond_wait (cond=0x55fadea8cf00, mutex=0x55fadea8ced8) at pthread_cond_wait.c:655
#3  0x00007fdca5570dcb in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fdca5570af7 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fdcd48c66db in start_thread (arg=0x7fdca41d1700) at pthread_create.c:463
#6  0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fdcae369700 (LWP 5004)):
#0  0x00007fdcd8fc4bf9 in __GI___poll (fds=0x7fdcae3688f8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fdcd4ef5747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fdcd4ef736a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fdcaf05c32a in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fdcd98e9bc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fdcd48c66db in start_thread (arg=0x7fdcae369700) at pthread_create.c:463
#6  0x00007fdcd8fd188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fdcdc690bc0 (LWP 5003)):
[KCrash Handler]
#6  0x00007fdcd7fca786 in KCModuleProxy::realModule() const () at /usr/lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#7  0x00007fdcd7fc8065 in  () at /usr/lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#8  0x00007fdcd7fc89c7 in  () at /usr/lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#9  0x00007fdcd9af1e25 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fdcd6f75b4b in KPageDialog::currentPageChanged(KPageWidgetItem*, KPageWidgetItem*) () at /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#11 0x00007fdcd9af1f3f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fdcd6f6206b in KPageWidget::currentPageChanged(KPageWidgetItem*, KPageWidgetItem*) () at /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#13 0x00007fdcd6f6222c in  () at /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#14 0x00007fdcd9af1e25 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007fdcd6f5c817 in KPageView::currentPageChanged(QModelIndex const&, QModelIndex const&) () at /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#16 0x00007fdcd6f5dc59 in  () at /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#17 0x00007fdcd9af1e25 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007fdcd9a77df7 in QItemSelectionModel::selectionChanged(QItemSelection const&, QItemSelection const&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007fdcd9a7c960 in QItemSelectionModel::emitSelectionChanged(QItemSelection const&, QItemSelection const&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007fdcd9a7feab in QItemSelectionModel::select(QItemSelection const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007fdcd9a79e5c in QItemSelectionModel::select(QModelIndex const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007fdcd9a781a4 in QItemSelectionModel::setCurrentIndex(QModelIndex const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007fdcd6f5ccca in  () at /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#24 0x00007fdcd6f5da75 in  () at /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#25 0x00007fdcd9af1e25 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007fdcd9a69a66 in QAbstractItemModel::layoutChanged(QList<QPersistentModelIndex> const&, QAbstractItemModel::LayoutChangeHint) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fdcd6f63e96 in KPageWidgetModel::addPage(KPageWidgetItem*) () at /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#28 0x00007fdcd7fe06b2 in  () at /usr/lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#29 0x00007fdcd7fe08ef in  () at /usr/lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#30 0x00007fdcd7fe0ee9 in  () at /usr/lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#31 0x00007fdcd7fe2694 in KSettings::Dialog::showEvent(QShowEvent*) () at /usr/lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#32 0x00007fdcda8f8838 in QWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007fdcda8b883c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007fdcda8bfdd0 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007fdcd9ac2328 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007fdcda8f52b3 in QWidgetPrivate::show_helper() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#37 0x00007fdcda8f83eb in QWidget::setVisible(bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#38 0x00007fdcdaaa98bc in QDialog::setVisible(bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#39 0x00007fdcdc0e4e14 in Kontact::MainWindow::slotPreferences() (this=0x55fadf081a40) at ./src/mainwindow.cpp:909
#40 0x00007fdcd9af1f3f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007fdcda8b20f2 in QAction::triggered(bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#42 0x00007fdcda8b470c in QAction::activate(QAction::ActionEvent) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#43 0x00007fdcd9af2992 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x00007fdcda8b5085 in QAction::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#45 0x00007fdcda8b883c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#46 0x00007fdcda8bfdd0 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#47 0x00007fdcd9ac2328 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#48 0x00007fdcd9ac4e87 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#49 0x00007fdcd9b1fb23 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#50 0x00007fdcd29fa387 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007fdcd29fa5c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007fdcd29fa64c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#53 0x00007fdcd9b1f13f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#54 0x00007fdcd9ac064a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#55 0x00007fdcd9ac9800 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#56 0x000055fade6d14c5 in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at ./src/main.cpp:229
Comment 1 Wolfgang Bauer 2019-04-08 20:41:51 UTC 
Bug in kcmutils 5.56.0, will be fixed in 5.57.0...

*** This bug has been marked as a duplicate of bug 405440 ***