Application: kontact (5.12.0)

Qt Version: 5.12.3
Frameworks Version: 5.61.0
Operating System: Linux 4.15.0-55-generic x86_64
Distribution: KDE neon Testing Edition

-- Information about the crash:
- What I was doing when the application crashed:
start Kontact after Software Update (Discovery), window say 'Akonadi-Dienst zur presönlichen Informationsverwaltung arbeitet nicht richtig'.

The crash can be reproduced every time.

-- 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 0x7f6983a8dbc0 (LWP 1450))]

Thread 25 (Thread 0x7f684b214700 (LWP 9502)):
#0  0x00007f6979dc0b26 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6979dc14fb in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6979dc16dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6980ee8dcb in QEventDispatcherGlib::processEvents (this=0x7f683c001e50, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f6980e8a03a in QEventLoop::exec (this=this@entry=0x7f684b2139e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f6980cb14ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007f6980cb2c72 in QThreadPrivate::start (arg=0x555638e0fea0) at thread/qthread_unix.cpp:361
#7  0x00007f697bc8e6db in start_thread (arg=0x7f684b214700) at pthread_create.c:463
#8  0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f6923fff700 (LWP 9498)):
#0  0x00007f698038dbf9 in __GI___poll (fds=0x7f6828002500, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f6979dc15c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6979dc16dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6980ee8dcb in QEventDispatcherGlib::processEvents (this=0x7f6828000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f6980e8a03a in QEventLoop::exec (this=this@entry=0x7f6923ffe9e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f6980cb14ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007f6980cb2c72 in QThreadPrivate::start (arg=0x555638f8ca60) at thread/qthread_unix.cpp:361
#7  0x00007f697bc8e6db in start_thread (arg=0x7f6923fff700) at pthread_create.c:463
#8  0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f685a56a700 (LWP 9496)):
#0  0x00007f697bc94ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f685a569710, expected=0, futex_word=0x7f685a5698f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f685a5697b0, mutex=0x7f685a5698a8, cond=0x7f685a5698d0) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f685a5698d0, mutex=0x7f685a5698a8, abstime=0x7f685a5697b0) at pthread_cond_wait.c:667
#3  0x00007f697147db17 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f697147e46a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f697147e552 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f697143efb1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f69714414c7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f6971441ab4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f6971480561 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f697bc8e6db in start_thread (arg=0x7f685a56a700) at pthread_create.c:463
#11 0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f6831994700 (LWP 9482)):
#0  0x00007f697bc94ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f6831993710, expected=0, futex_word=0x7f68319938f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f68319937b0, mutex=0x7f68319938a8, cond=0x7f68319938d0) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f68319938d0, mutex=0x7f68319938a8, abstime=0x7f68319937b0) at pthread_cond_wait.c:667
#3  0x00007f697147db17 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f697147e46a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f697147e552 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f697143efb1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f69714417f6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f6971441ab4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f6971480561 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f697bc8e6db in start_thread (arg=0x7f6831994700) at pthread_create.c:463
#11 0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f6831193700 (LWP 3190)):
#0  0x00007f697bc94ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f6831192710, expected=0, futex_word=0x7f68311928f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f68311927b0, mutex=0x7f68311928a8, cond=0x7f68311928d0) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f68311928d0, mutex=0x7f68311928a8, abstime=0x7f68311927b0) at pthread_cond_wait.c:667
#3  0x00007f697147db17 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f697147e46a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f697147e552 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f697143efb1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f69714417f6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f6971441ab4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f6971480561 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f697bc8e6db in start_thread (arg=0x7f6831193700) at pthread_create.c:463
#11 0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f6823bf1700 (LWP 1668)):
#0  0x00007f69803890b4 in __GI___libc_read (fd=90, buf=0x7f6823bf081e, nbytes=10) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f692859e021 in pa_read () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007f694007aa2e in pa_mainloop_prepare () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f694007b4a0 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f694007b560 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f69400893c9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f69285cd318 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007f697bc8e6db in start_thread (arg=0x7f6823bf1700) at pthread_create.c:463
#8  0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f684aa13700 (LWP 1611)):
#0  0x00007f698038dbf9 in __GI___poll (fds=0x7f6840004db0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f6979dc15c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6979dc16dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6980ee8dcb in QEventDispatcherGlib::processEvents (this=0x7f6840000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f6980e8a03a in QEventLoop::exec (this=this@entry=0x7f684aa129e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f6980cb14ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007f6980cb2c72 in QThreadPrivate::start (arg=0x555638c9b810) at thread/qthread_unix.cpp:361
#7  0x00007f697bc8e6db in start_thread (arg=0x7f684aa13700) at pthread_create.c:463
#8  0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f684c0b3700 (LWP 1608)):
#0  0x00007f6979e07649 in g_mutex_lock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6979dc0e1f in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6979dc1570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6979dc16dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6980ee8dcb in QEventDispatcherGlib::processEvents (this=0x7f6844000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f6980e8a03a in QEventLoop::exec (this=this@entry=0x7f684c0b29e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f6980cb14ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#7  0x00007f6980cb2c72 in QThreadPrivate::start (arg=0x555638c39eb0) at thread/qthread_unix.cpp:361
#8  0x00007f697bc8e6db in start_thread (arg=0x7f684c0b3700) at pthread_create.c:463
#9  0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f68f31b6700 (LWP 1580)):
#0  0x00007f697bc949f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f68f31b5908) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f68f31b58b8, cond=0x7f68f31b58e0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f68f31b58e0, mutex=0x7f68f31b58b8) at pthread_cond_wait.c:655
#3  0x00007f697147da49 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f697147e478 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f697147e50f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f697143efc8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f69714417f6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f6971441b34 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f6971480561 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f697bc8e6db in start_thread (arg=0x7f68f31b6700) at pthread_create.c:463
#11 0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f68f39b7700 (LWP 1578)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f69803ab474 in ___fprintf_chk (fp=0x7f69806668b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f6968ab96a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f6968aa19ad in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f6968aa1b44 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f6968aa346c in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f6968a99114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f6971483c79 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f697141e2db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f6971450311 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f6971480561 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f697bc8e6db in start_thread (arg=0x7f68f39b7700) at pthread_create.c:463
#11 0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f6921b7e700 (LWP 1572)):
#0  0x00007f697bc949f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f696a1e0fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f696a1e0f68, cond=0x7f696a1e0f90) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f696a1e0f90, mutex=0x7f696a1e0f68) at pthread_cond_wait.c:655
#3  0x00007f6969eea844 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f6969eea889 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f697bc8e6db in start_thread (arg=0x7f6921b7e700) at pthread_create.c:463
#6  0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f6920ab9700 (LWP 1570)):
#0  0x00007f69803890b4 in __GI___libc_read (fd=45, buf=0x7f6920ab881e, nbytes=10) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f692859e021 in pa_read () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007f694007aa2e in pa_mainloop_prepare () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f694007b4a0 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f694007b560 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f69400893c9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f69285cd318 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007f697bc8e6db in start_thread (arg=0x7f6920ab9700) at pthread_create.c:463
#8  0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f69227fc700 (LWP 1566)):
#0  0x00007f697bc94ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f69227fb700, expected=0, futex_word=0x7f69227fb8e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f69227fb7a0, mutex=0x7f69227fb898, cond=0x7f69227fb8c0) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f69227fb8c0, mutex=0x7f69227fb898, abstime=0x7f69227fb7a0) at pthread_cond_wait.c:667
#3  0x00007f697147db17 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f697147e46a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f69713fca80 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f697141e2db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f6971450311 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f6971480561 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f697bc8e6db in start_thread (arg=0x7f69227fc700) at pthread_create.c:463
#10 0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f6922ffd700 (LWP 1565)):
#0  0x00007f697bc949f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555638a4cf18) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x555638a4ce58, cond=0x555638a4cef0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x555638a4cef0, mutex=0x555638a4ce58) at pthread_cond_wait.c:655
#3  0x00007f697147da49 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f6971d36178 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f69714517df in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f6971480561 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f697bc8e6db in start_thread (arg=0x7f6922ffd700) at pthread_create.c:463
#8  0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f69237fe700 (LWP 1564)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f69803ab474 in ___fprintf_chk (fp=0x7f69806668b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f6968ab96a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f6968aa19ad in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f6968aa1b44 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f6968aa346c in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f6968a99114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f6971483c79 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f697141e2db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f6971450311 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f6971480561 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f697bc8e6db in start_thread (arg=0x7f69237fe700) at pthread_create.c:463
#11 0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f6928ff9700 (LWP 1563)):
#0  0x00007f697bc949f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f6928ff88c8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f6928ff8878, cond=0x7f6928ff88a0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f6928ff88a0, mutex=0x7f6928ff8878) at pthread_cond_wait.c:655
#3  0x00007f697147da49 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f697147e478 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f697147e50f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f69713fca6f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f697141e2db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f6971450311 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f6971480561 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f697bc8e6db in start_thread (arg=0x7f6928ff9700) at pthread_create.c:463
#11 0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f69297fa700 (LWP 1562)):
#0  0x00007f697bc949f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f69297f9908) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f69297f98b8, cond=0x7f69297f98e0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f69297f98e0, mutex=0x7f69297f98b8) at pthread_cond_wait.c:655
#3  0x00007f697147da49 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f697147e478 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f697147e50f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f697143efc8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f69714417f6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f6971441af4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f6971480561 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f697bc8e6db in start_thread (arg=0x7f69297fa700) at pthread_create.c:463
#11 0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f6929ffb700 (LWP 1561)):
#0  0x00007f6980389187 in __GI___libc_write (fd=2, buf=0x7f6929ff7c20, nbytes=47) at ../sysdeps/unix/sysv/linux/write.c:27
#1  0x00007f69803041bd in _IO_new_file_write (f=0x7f6980665680 <_IO_2_1_stderr_>, data=0x7f6929ff7c20, n=47) at fileops.c:1203
#2  0x00007f6980304b2f in new_do_write (to_do=<optimized out>, data=0x7f6929ff7c20 "[warn] epoll_wait: Ung\303\274ltiger Dateideskriptor\n", fp=0x7f6980665680 <_IO_2_1_stderr_>) at fileops.c:457
#3  _IO_new_file_xsputn (f=0x7f6980665680 <_IO_2_1_stderr_>, data=<optimized out>, n=47) at fileops.c:1277
#4  0x00007f69802d7707 in buffered_vfprintf (s=s@entry=0x7f6980665680 <_IO_2_1_stderr_>, format=format@entry=0x7f6968ab96a8 "[%s] %s\n", args=args@entry=0x7f6929ffa1e0) at vfprintf.c:2350
#5  0x00007f69802d4726 in _IO_vfprintf_internal (s=s@entry=0x7f6980665680 <_IO_2_1_stderr_>, format=0x7f6968ab96a8 "[%s] %s\n", ap=ap@entry=0x7f6929ffa1e0) at vfprintf.c:1301
#6  0x00007f69803ab4c6 in ___fprintf_chk (fp=0x7f6980665680 <_IO_2_1_stderr_>, flag=1, format=<optimized out>) at fprintf_chk.c:35
#7  0x00007f6968aa19ad in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f6968aa1b44 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007f6968aa346c in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007f6968a99114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007f6971483c79 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f697141e2db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f6970de5514 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f6971450468 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f6971480561 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f697bc8e6db in start_thread (arg=0x7f6929ffb700) at pthread_create.c:463
#17 0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f692b7fe700 (LWP 1557)):
#0  0x00007f697bc94ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f692b7fd710, expected=0, futex_word=0x7f692b7fd8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f692b7fd7b0, mutex=0x7f692b7fd8a8, cond=0x7f692b7fd8d0) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f692b7fd8d0, mutex=0x7f692b7fd8a8, abstime=0x7f692b7fd7b0) at pthread_cond_wait.c:667
#3  0x00007f697147db17 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f697147e46a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f697147e552 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f697143efb1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f69714417f6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f6971441ab4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f6971480561 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f697bc8e6db in start_thread (arg=0x7f692b7fe700) at pthread_create.c:463
#11 0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f692bfff700 (LWP 1556)):
#0  0x00007f698039abb7 in epoll_wait (epfd=27, events=0x7f6924002000, maxevents=32, timeout=0) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#1  0x00007f6968aa32c5 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#2  0x00007f6968a99114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f6971483c79 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f697141e2db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f6971445544 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f6971450468 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f6971480561 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f697bc8e6db in start_thread (arg=0x7f692bfff700) at pthread_create.c:463
#9  0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f6941327700 (LWP 1554)):
#0  __strchrnul_avx2 () at ../sysdeps/x86_64/multiarch/strchr-avx2.S:45
#1  0x00007f69802d4432 in __find_specmb (format=0x7f6968ab9819 "epoll_wait") at printf-parse.h:108
#2  _IO_vfprintf_internal (s=s@entry=0x7f6941326150, format=format@entry=0x7f6968ab9819 "epoll_wait", ap=ap@entry=0x7f6941326720) at vfprintf.c:1320
#3  0x00007f69803ab169 in ___vsnprintf_chk (s=0x7f69413262f0 "", maxlen=<optimized out>, flags=1, slen=<optimized out>, format=0x7f6968ab9819 "epoll_wait", args=0x7f6941326720) at vsnprintf_chk.c:63
#4  0x00007f6968a9e3b3 in evutil_vsnprintf () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f6968aa18c5 in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f6968aa1b44 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#7  0x00007f6968aa346c in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f6968a99114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007f6971483ccd in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f697141e2db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f6971450311 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f6971480561 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f697bc8e6db in start_thread (arg=0x7f6941327700) at pthread_create.c:463
#14 0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f6943bf0700 (LWP 1478)):
#0  QTimerInfoList::updateCurrentTime (this=this@entry=0x7f693c004cf0) at kernel/qtimerinfo_unix.cpp:92
#1  0x00007f6980ee74c5 in QTimerInfoList::timerWait (this=0x7f693c004cf0, tm=...) at kernel/qtimerinfo_unix.cpp:388
#2  0x00007f6980ee8b0e in timerSourcePrepareHelper (timeout=0x7f6943bef7e4, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:132
#3  timerSourcePrepare (source=<optimized out>, timeout=0x7f6943bef7e4) at kernel/qeventdispatcher_glib.cpp:165
#4  0x00007f6979dc0b28 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6979dc14fb in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f6979dc16dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f6980ee8dcb in QEventDispatcherGlib::processEvents (this=0x7f693c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#8  0x00007f6980e8a03a in QEventLoop::exec (this=this@entry=0x7f6943bef9b0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#9  0x00007f6980cb14ca in QThread::exec (this=this@entry=0x7f697f851d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:531
#10 0x00007f697f5da015 in QDBusConnectionManager::run (this=0x7f697f851d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#11 0x00007f6980cb2c72 in QThreadPrivate::start (arg=0x7f697f851d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:361
#12 0x00007f697bc8e6db in start_thread (arg=0x7f6943bf0700) at pthread_create.c:463
#13 0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f6949fec700 (LWP 1477)):
#0  0x00007f697bc949f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5556386260c8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x555638626078, cond=0x5556386260a0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5556386260a0, mutex=0x555638626078) at pthread_cond_wait.c:655
#3  0x00007f694b2d031a in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f694b2d0047 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f697bc8e6db in start_thread (arg=0x7f6949fec700) at pthread_create.c:463
#6  0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f69542c3700 (LWP 1476)):
#0  0x00007f698038dbf9 in __GI___poll (fds=0x7f69542c28e8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f697c2bd747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f697c2bf36a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f6956412578 in QXcbEventQueue::run (this=0x5556385c8b60) at qxcbeventqueue.cpp:228
#4  0x00007f6980cb2c72 in QThreadPrivate::start (arg=0x5556385c8b60) at thread/qthread_unix.cpp:361
#5  0x00007f697bc8e6db in start_thread (arg=0x7f69542c3700) at pthread_create.c:463
#6  0x00007f698039a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f6983a8dbc0 (LWP 1450)):
[KCrash Handler]
#6  std::__atomic_base<int>::load (__m=std::memory_order_relaxed, this=<optimized out>) at /usr/include/c++/7/bits/atomic_base.h:396
#7  QAtomicOps<int>::load<int> (_q_value=...) at ../../include/QtCore/../../src/corelib/thread/qatomic_cxx11.h:227
#8  QBasicAtomicInteger<int>::load (this=<optimized out>) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:103
#9  QtPrivate::RefCount::isShared (this=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qrefcount.h:101
#10 QList<QWidget*>::append (this=0x5556385815a8, t=@0x7ffc1a841140: 0x5556390d8bf0) at ../../include/QtCore/../../src/corelib/tools/qlist.h:584
#11 0x00007f6981cbed58 in QWidget::insertAction (this=this@entry=0x5556390d8bf0, before=<optimized out>, before@entry=0x0, action=0x555638ed9000) at kernel/qwidget.cpp:3310
#12 0x00007f6982e20546 in KXMLGUI::ActionList::plug (this=this@entry=0x55563895ad70, container=0x5556390d8bf0, index=<optimized out>) at ./src/kxmlguifactory_p.cpp:45
#13 0x00007f6982e2472a in KXMLGUI::ContainerNode::plugActionList (this=this@entry=0x555638e4bdb0, state=..., mergingIdxIt=...) at ./src/kxmlguifactory_p.cpp:233
#14 0x00007f6982e248d6 in KXMLGUI::ContainerNode::plugActionList (this=0x555638e4bdb0, state=...) at ./src/kxmlguifactory_p.cpp:203
#15 0x00007f6982e2493b in KXMLGUI::ContainerNode::plugActionList (this=<optimized out>, state=...) at ./src/kxmlguifactory_p.cpp:207
#16 0x00007f6982e2493b in KXMLGUI::ContainerNode::plugActionList (this=<optimized out>, state=...) at ./src/kxmlguifactory_p.cpp:207
#17 0x00007f6982e1dcdb in KXMLGUIFactory::plugActionList (this=0x55563bc35230, client=client@entry=0x555638abe040, name=..., actionList=...) at ./src/kxmlguifactory.cpp:573
#18 0x00007f6982e14239 in KXMLGUIClient::plugActionList (this=this@entry=0x555638abe040, name=..., actionList=...) at ./src/kxmlguiclient.cpp:711
#19 0x00007f684d99a3fd in PimCommon::PluginInterface::initializePluginActions (this=<optimized out>, prefix=..., guiClient=0x555638abe040) at ./src/pimcommonakonadi/genericplugins/plugininterface.cpp:156
#20 0x00007f6858af3b1e in KMMainWidget::initializePluginActions() () from /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#21 0x00007f6858ecabb0 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kmailpart.so
#22 0x00007f6980ebc39b in QObject::event (this=0x555638abe010, e=<optimized out>) at kernel/qobject.cpp:1282
#23 0x00007f6981c8765c in QApplicationPrivate::notify_helper (this=this@entry=0x555638582e80, receiver=receiver@entry=0x555638abe010, e=e@entry=0x7ffc1a841960) at kernel/qapplication.cpp:3736
#24 0x00007f6981c8eb90 in QApplication::notify (this=0x7ffc1a842d70, receiver=0x555638abe010, e=0x7ffc1a841960) at kernel/qapplication.cpp:3483
#25 0x00007f6980e8bd18 in QCoreApplication::notifyInternal2 (receiver=0x555638abe010, event=0x7ffc1a841960) at kernel/qcoreapplication.cpp:1060
#26 0x00007f697ea53bc1 in KParts::MainWindow::createGUI (this=0x55563d21c080, part=0x555638abe010) at ./src/mainwindow.cpp:125
#27 0x00007f69834c1083 in Kontact::MainWindow::selectPlugin(KontactInterface::Plugin*) () from /usr/lib/x86_64-linux-gnu/libkontactprivate.so.5
#28 0x00007f69834d0ee8 in ?? () from /usr/lib/x86_64-linux-gnu/libkontactprivate.so.5
#29 0x00007f6980ebb875 in QMetaObject::activate (sender=0x555638c22430, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3795
#30 0x00007f69834d08bf in ?? () from /usr/lib/x86_64-linux-gnu/libkontactprivate.so.5
#31 0x00007f6980ebb98f in QtPrivate::QSlotObjectBase::call (a=0x7ffc1a841d30, r=0x555638c22430, this=0x555638d055b0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#32 QMetaObject::activate (sender=0x555638d9bd70, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3776
#33 0x00007f69834d085f in ?? () from /usr/lib/x86_64-linux-gnu/libkontactprivate.so.5
#34 0x00007f6980ebb98f in QtPrivate::QSlotObjectBase::call (a=0x7ffc1a841e60, r=0x555638d9bd70, this=0x555638c68b50) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#35 QMetaObject::activate (sender=sender@entry=0x555638c78480, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffc1a841e60) at kernel/qobject.cpp:3776
#36 0x00007f6980ebbf47 in QMetaObject::activate (sender=sender@entry=0x555638c78480, m=m@entry=0x7f69813376a0 <QItemSelectionModel::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffc1a841e60) at kernel/qobject.cpp:3648
#37 0x00007f6980e4194a in QItemSelectionModel::currentChanged (this=this@entry=0x555638c78480, _t1=..., _t2=...) at .moc/moc_qitemselectionmodel.cpp:465
#38 0x00007f6980e41bd6 in QItemSelectionModel::setCurrentIndex (this=0x555638c78480, index=..., command=...) at itemmodels/qitemselectionmodel.cpp:1414
#39 0x00007f69834c7cf1 in ?? () from /usr/lib/x86_64-linux-gnu/libkontactprivate.so.5
#40 0x00007f69834c0fb0 in Kontact::MainWindow::selectPlugin(KontactInterface::Plugin*) () from /usr/lib/x86_64-linux-gnu/libkontactprivate.so.5
#41 0x00007f69834bf92c in Kontact::MainWindow::loadSettings() () from /usr/lib/x86_64-linux-gnu/libkontactprivate.so.5
#42 0x00007f69834c3675 in Kontact::MainWindow::initObject() () from /usr/lib/x86_64-linux-gnu/libkontactprivate.so.5
#43 0x00007f69834c3d9a in Kontact::MainWindow::MainWindow() () from /usr/lib/x86_64-linux-gnu/libkontactprivate.so.5
#44 0x0000555636a6e28c in ?? ()
#45 0x00007f6983297ffe in KontactInterface::PimUniqueApplication::newInstance (this=0x7ffc1a842d70, startupId=..., arguments=..., workingDirectory=...) at ./src/pimuniqueapplication.cpp:201
#46 0x00007f6983299543 in KontactInterface::PimUniqueApplication::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=0x7ffc1a8423b0) at ./obj-x86_64-linux-gnu/src/KF5KontactInterface_autogen/EWIEGA46WW/moc_pimuniqueapplication.cpp:86
#47 0x00007f69832998f3 in KontactInterface::PimUniqueApplication::qt_metacall (this=0x7ffc1a842d70, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7ffc1a8423b0) at ./obj-x86_64-linux-gnu/src/KF5KontactInterface_autogen/EWIEGA46WW/moc_pimuniqueapplication.cpp:123
#48 0x00007f697f5e5128 in QDBusConnectionPrivate::deliverCall (this=this@entry=0x7f693c003f10, object=object@entry=0x7ffc1a842d70, msg=..., metaTypes=..., slotIdx=<optimized out>) at qdbusintegrator.cpp:991
#49 0x00007f697f5e9f90 in QDBusConnectionPrivate::activateCall (this=this@entry=0x7f693c003f10, object=0x7ffc1a842d70, flags=81, msg=...) at qdbusintegrator.cpp:894
#50 0x00007f697f5ea477 in QDBusConnectionPrivate::activateCall (msg=..., flags=<optimized out>, object=<optimized out>, this=0x7f693c003f10) at qdbusintegrator.cpp:843
#51 QDBusConnectionPrivate::activateObject (this=0x7f693c003f10, node=..., msg=..., pathStartPos=<optimized out>) at qdbusintegrator.cpp:1502
#52 0x00007f697f5ecf2e in QDBusActivateObjectEvent::placeMetaCall (this=0x555638c67ed0) at qdbusintegrator.cpp:1598
#53 0x00007f6980ebc3e2 in QObject::event (this=this@entry=0x7ffc1a842d70, e=e@entry=0x555638c67ed0) at kernel/qobject.cpp:1260
#54 0x00007f6980e930bc in QCoreApplication::event (this=this@entry=0x7ffc1a842d70, e=e@entry=0x555638c67ed0) at kernel/qcoreapplication.cpp:1931
#55 0x00007f69814512c4 in QGuiApplication::event (this=this@entry=0x7ffc1a842d70, e=e@entry=0x555638c67ed0) at kernel/qguiapplication.cpp:1801
#56 0x00007f6981c8d11f in QApplication::event (this=0x7ffc1a842d70, e=0x555638c67ed0) at kernel/qapplication.cpp:1991
#57 0x00007f6981c8765c in QApplicationPrivate::notify_helper (this=this@entry=0x555638582e80, receiver=receiver@entry=0x7ffc1a842d70, e=e@entry=0x555638c67ed0) at kernel/qapplication.cpp:3736
#58 0x00007f6981c8eb90 in QApplication::notify (this=0x7ffc1a842d70, receiver=0x7ffc1a842d70, e=0x555638c67ed0) at kernel/qapplication.cpp:3483
#59 0x00007f6980e8bd18 in QCoreApplication::notifyInternal2 (receiver=0x7ffc1a842d70, event=0x555638c67ed0) at kernel/qcoreapplication.cpp:1060
#60 0x00007f6980e8beee in QCoreApplication::sendEvent (receiver=<optimized out>, event=event@entry=0x555638c67ed0) at kernel/qcoreapplication.cpp:1450
#61 0x00007f6980e8e8d7 in QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x555638581490) at kernel/qcoreapplication.cpp:1799
#62 0x00007f6980e8ee78 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1653
#63 0x00007f6980ee9793 in postEventSourceDispatch (s=0x555638624ab0) at kernel/qeventdispatcher_glib.cpp:276
#64 0x00007f6979dc1417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#65 0x00007f6979dc1650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#66 0x00007f6979dc16dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#67 0x00007f6980ee8daf in QEventDispatcherGlib::processEvents (this=0x555638627170, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#68 0x00007f6980e8a03a in QEventLoop::exec (this=this@entry=0x7ffc1a842c40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#69 0x00007f6980e93170 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1363
#70 0x0000555636a6d465 in ?? ()
#71 0x00007f698029ab97 in __libc_start_main (main=0x555636a6c650, argc=3, argv=0x7ffc1a842ec8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc1a842eb8) at ../csu/libc-start.c:310
#72 0x0000555636a6da8a in ?? ()

Possible duplicates by query: bug 410345, bug 410267, bug 409970, bug 409515, bug 409248.

Reported using DrKonqi