Bug 391883

Summary: Moving a lot of Sent messages to Trash
Product: [Applications] kontact Reporter: Rik Meijer <rik>
Component: generalAssignee: kdepim bugs <pim-bugs-null>
Status: RESOLVED DOWNSTREAM    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version First Reported In: 5.6.3   
Target Milestone: ---   
Platform: Debian testing   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Rik Meijer 2018-03-15 10:28:39 UTC 
Application: kontact (5.6.3)

Qt Version: 5.9.2
Frameworks Version: 5.42.0
Operating System: Linux 4.14.0-3-amd64 x86_64
Distribution: Debian GNU/Linux testing (buster)

-- Information about the crash:
- What I was doing when the application crashed:
Moving 200MB of messages from Sent to Trash. When I opened the Trash folder Kontact crashed. Restarting Kontact allowed me to proceed as usual.

-- 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 0x7ff073ed4080 (LWP 25931))]

Thread 29 (Thread 0x7fef19fee700 (LWP 26008)):
#0  0x00007ff06a425584 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ff06a3dffcd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff06a3e022c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff07144a10b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ff0713ef2aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff07120e35a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff07121322d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff06c68b5aa in start_thread (arg=0x7fef19fee700) at pthread_create.c:463
#8  0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7fef1a9ef700 (LWP 26003)):
#0  0x00007ff06c6914ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c265d020e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55c265d02098, cond=0x55c265d020c0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55c265d020c0, mutex=0x55c265d02098) at pthread_cond_wait.c:655
#3  0x00007ff061406555 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff061406a37 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff0614077d1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff061403e9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff06c68b5aa in start_thread (arg=0x7fef1a9ef700) at pthread_create.c:463
#8  0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7fef2b3eb700 (LWP 25975)):
#0  0x00007ff0708fc5d9 in __GI___poll (fds=0x7fef1c003ce0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff06a3e0119 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff06a3e022c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff07144a10b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ff0713ef2aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff07120e35a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff07121322d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff06c68b5aa in start_thread (arg=0x7fef2b3eb700) at pthread_create.c:463
#8  0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7fef2bbec700 (LWP 25974)):
#0  0x00007ff0708fc5d9 in __GI___poll (fds=0x7fef240049b0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff06a3e0119 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff06a3e022c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff07144a10b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ff0713ef2aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff07120e35a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff07121322d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff06c68b5aa in start_thread (arg=0x7fef2bbec700) at pthread_create.c:463
#8  0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7fef3b3a1700 (LWP 25959)):
#0  0x00007ff0708fc5d9 in __GI___poll (fds=0x7fef2c0730d0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff06a3e0119 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff06a3e022c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff07144a10b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ff0713ef2aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff07120e35a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff07121322d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff06c68b5aa in start_thread (arg=0x7fef3b3a1700) at pthread_create.c:463
#8  0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7fef3bba2700 (LWP 25958)):
#0  0x00007ff07144a072 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007ff06a3df678 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff06a3e004b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff06a3e022c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff07144a10b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff0713ef2aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff07120e35a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff07121322d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ff06c68b5aa in start_thread (arg=0x7fef3bba2700) at pthread_create.c:463
#9  0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7fef40be9700 (LWP 25957)):
#0  0x00007ff06a3dd012 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ff06a3dfa51 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff06a3e00c0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff06a3e022c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff07144a10b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff0713ef2aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff07120e35a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff07121322d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ff06c68b5aa in start_thread (arg=0x7fef40be9700) at pthread_create.c:463
#9  0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7fefcf7fe700 (LWP 25956)):
#0  0x00007ff06c6914ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7ff05b546fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7ff05b546f68, cond=0x7ff05b546f90) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7ff05b546f90, mutex=0x7ff05b546f68) at pthread_cond_wait.c:655
#3  0x00007ff05b2505f4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007ff05b250639 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007ff06c68b5aa in start_thread (arg=0x7fefcf7fe700) at pthread_create.c:463
#6  0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7fefcffff700 (LWP 25953)):
#0  0x00007ff06c6914ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c265d020e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55c265d02098, cond=0x55c265d020c0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55c265d020c0, mutex=0x55c265d02098) at pthread_cond_wait.c:655
#3  0x00007ff061406555 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff061406a37 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff0614077d1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff061403e9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff06c68b5aa in start_thread (arg=0x7fefcffff700) at pthread_create.c:463
#8  0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7feffcff9700 (LWP 25952)):
#0  0x00007ff070906fe7 in epoll_wait (epfd=52, events=0x7fefe00020f0, maxevents=32, timeout=0) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#1  0x00007ff059e35408 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#2  0x00007ff059e2b329 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007ff0613d7389 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff0613d3658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff0613f009b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff061407d96 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff061403e9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff06c68b5aa in start_thread (arg=0x7feffcff9700) at pthread_create.c:463
#9  0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7feffd7fa700 (LWP 25951)):
#0  0x00007ff06c6914ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7feffd7f9738) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7feffd7f96e8, cond=0x7feffd7f9710) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7feffd7f9710, mutex=0x7feffd7f96e8) at pthread_cond_wait.c:655
#3  0x00007ff0613fc239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff0613fc267 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff0613d6d8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff0613d3658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff0613f009b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff061407d96 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff061403e9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff06c68b5aa in start_thread (arg=0x7feffd7fa700) at pthread_create.c:463
#11 0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7feffdffb700 (LWP 25950)):
#0  0x00007ff0708fc5d9 in __GI___poll (fds=0x7fefe4007030, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff03f9b56b1 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007ff03f9a7070 in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007ff03f9a7700 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007ff03f9a7790 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007ff03f9b55f9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007ff03f753c58 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007ff06c68b5aa in start_thread (arg=0x7feffdffb700) at pthread_create.c:463
#8  0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7feffe7fc700 (LWP 25949)):
#0  0x00007ff06c69181a in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7feffe7fb5d0, expected=0, futex_word=0x7feffe7fb758) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7feffe7fb670, mutex=0x7feffe7fb708, cond=0x7feffe7fb730) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7feffe7fb730, mutex=0x7feffe7fb708, abstime=0x7feffe7fb670) at pthread_cond_wait.c:667
#3  0x00007ff061434fa2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff0613fc1be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff0613d6ddb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff0613d3658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff0613f009b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff061407d96 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff061403e9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff06c68b5aa in start_thread (arg=0x7feffe7fc700) at pthread_create.c:463
#11 0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7feffeffd700 (LWP 25948)):
#0  0x00007ff06c6914ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c265d0f758) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55c265d0f698, cond=0x55c265d0f730) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55c265d0f730, mutex=0x55c265d0f698) at pthread_cond_wait.c:655
#3  0x00007ff061b89f50 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff0614077d1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff061403e9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff06c68b5aa in start_thread (arg=0x7feffeffd700) at pthread_create.c:463
#7  0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fefff7fe700 (LWP 25947)):
#0  0x00007ff06c6914ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c265d020ec) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55c265d02098, cond=0x55c265d020c0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55c265d020c0, mutex=0x55c265d02098) at pthread_cond_wait.c:655
#3  0x00007ff061406555 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff061406a37 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff0614077d1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff061403e9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff06c68b5aa in start_thread (arg=0x7fefff7fe700) at pthread_create.c:463
#8  0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7feffffff700 (LWP 25946)):
#0  0x00007ff06c6914ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fefffffe738) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fefffffe6e8, cond=0x7fefffffe710) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7fefffffe710, mutex=0x7fefffffe6e8) at pthread_cond_wait.c:655
#3  0x00007ff0613fc239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff0613fc267 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff0613d6d8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff0613d3658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff0613f009b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff061407d96 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff061403e9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff06c68b5aa in start_thread (arg=0x7feffffff700) at pthread_create.c:463
#11 0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7ff024ff9700 (LWP 25945)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007ff070915bd4 in ___fprintf_chk (fp=0x7ff070bc68b0 <_IO_stdfile_2_lock>, flag=1, format=0x7ff059e4b848 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007ff059e33a5a in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007ff059e33c34 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007ff059e35588 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007ff059e2b329 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007ff0613d7389 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff0613d3658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff0613f009b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff060c8d2c8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff060c8d87b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007ff061407e48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007ff061403e9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007ff06c68b5aa in start_thread (arg=0x7ff024ff9700) at pthread_create.c:463
#14 0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7ff0257fa700 (LWP 25944)):
#0  0x00007ff06c69181a in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7ff0257f91f0, expected=0, futex_word=0x7ff0257f9378) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7ff0257f9290, mutex=0x7ff0257f9328, cond=0x7ff0257f9350) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7ff0257f9350, mutex=0x7ff0257f9328, abstime=0x7ff0257f9290) at pthread_cond_wait.c:667
#3  0x00007ff061434fa2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff0613fc1be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff0613d6ddb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff0613d3658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff0613f009b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff060c8d218 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff060c8d86b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff061407e48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007ff061403e9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007ff06c68b5aa in start_thread (arg=0x7ff0257fa700) at pthread_create.c:463
#13 0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7ff025ffb700 (LWP 25943)):
#0  0x00007ff06c6914ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7ff025ffa358) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7ff025ffa308, cond=0x7ff025ffa330) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7ff025ffa330, mutex=0x7ff025ffa308) at pthread_cond_wait.c:655
#3  0x00007ff0613fc239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff0613fc267 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff0613d6d8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff0613d3658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff0613f009b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff060c8d168 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff060c8d85b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff061407e48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007ff061403e9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007ff06c68b5aa in start_thread (arg=0x7ff025ffb700) at pthread_create.c:463
#13 0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7ff0267fc700 (LWP 25942)):
#0  0x00007ff06c6914ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7ff0267fb358) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7ff0267fb308, cond=0x7ff0267fb330) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7ff0267fb330, mutex=0x7ff0267fb308) at pthread_cond_wait.c:655
#3  0x00007ff0613fc239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff0613fc267 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff0613d6d8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff0613d3658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff0613f009b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff060c8d0b8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff060c8d84b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff061407e48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007ff061403e9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007ff06c68b5aa in start_thread (arg=0x7ff0267fc700) at pthread_create.c:463
#13 0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7ff026ffd700 (LWP 25941)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007ff070915bd4 in ___fprintf_chk (fp=0x7ff070bc68b0 <_IO_stdfile_2_lock>, flag=1, format=0x7ff059e4b848 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007ff059e33a5a in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007ff059e33c34 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007ff059e35588 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007ff059e2b329 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007ff0613d73dd in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff0613d3658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff0613f009b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff060c8d008 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff060c8d83b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007ff061407e48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007ff061403e9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007ff06c68b5aa in start_thread (arg=0x7ff026ffd700) at pthread_create.c:463
#14 0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7ff0277fe700 (LWP 25940)):
#0  0x00007ff06c6914ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7ff0277fd358) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7ff0277fd308, cond=0x7ff0277fd330) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7ff0277fd330, mutex=0x7ff0277fd308) at pthread_cond_wait.c:655
#3  0x00007ff0613fc239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff0613fc267 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff0613d6d8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff0613d3658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff0613f009b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff060c8cf58 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff060c8d82b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff061407e48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007ff061403e9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007ff06c68b5aa in start_thread (arg=0x7ff0277fe700) at pthread_create.c:463
#13 0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7ff027fff700 (LWP 25939)):
#0  0x00007ff06c69181a in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7ff027ffe7e0, expected=0, futex_word=0x7ff02c0047e4) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7ff027ffe880, mutex=0x7ff02c004790, cond=0x7ff02c0047b8) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7ff02c0047b8, mutex=0x7ff02c004790, abstime=0x7ff027ffe880) at pthread_cond_wait.c:667
#3  0x00007ff061434fa2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff06140b059 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff06140b5bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff061403e9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff06c68b5aa in start_thread (arg=0x7ff027fff700) at pthread_create.c:463
#8  0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7ff034f45700 (LWP 25938)):
#0  0x00007ff06c69181a in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7ff034f447e0, expected=0, futex_word=0x7ff02c0047e0) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7ff034f44880, mutex=0x7ff02c004790, cond=0x7ff02c0047b8) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7ff02c0047b8, mutex=0x7ff02c004790, abstime=0x7ff034f44880) at pthread_cond_wait.c:667
#3  0x00007ff061434fa2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff06140b059 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff06140b5bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff061403e9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff06c68b5aa in start_thread (arg=0x7ff034f45700) at pthread_create.c:463
#8  0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7ff035746700 (LWP 25937)):
#0  0x00007ff06c6914ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7ff035745738) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7ff0357456e8, cond=0x7ff035745710) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7ff035745710, mutex=0x7ff0357456e8) at pthread_cond_wait.c:655
#3  0x00007ff0613fc239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff0613fc267 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff0613d6d8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff0613d3658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff0613f009b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff061407d96 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff061403e9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff06c68b5aa in start_thread (arg=0x7ff035746700) at pthread_create.c:463
#11 0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7ff035f47700 (LWP 25936)):
#0  0x00007ff070906fe7 in epoll_wait (epfd=30, events=0x7ff02c0020f0, maxevents=32, timeout=-1) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#1  0x00007ff059e35408 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#2  0x00007ff059e2b329 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007ff0613d73dd in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff0613d3658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff0613f009b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff061407d96 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff061403e9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff06c68b5aa in start_thread (arg=0x7ff035f47700) at pthread_create.c:463
#9  0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7ff038166700 (LWP 25933)):
#0  0x00007ff06a3dd088 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ff06a3dfa51 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff06a3e00c0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff06a3e022c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff07144a10b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff0713ef2aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff07120e35a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff06fb92e45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007ff07121322d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007ff06c68b5aa in start_thread (arg=0x7ff038166700) at pthread_create.c:463
#10 0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7ff046789700 (LWP 25932)):
#0  0x00007ff0708fc5d9 in __GI___poll (fds=0x7ff046788928, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff06c0d50f7 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007ff06c0d6d1a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007ff048489029 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007ff07121322d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff06c68b5aa in start_thread (arg=0x7ff046789700) at pthread_create.c:463
#6  0x00007ff070906cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7ff073ed4080 (LWP 25931)):
[KCrash Handler]
#6  0x00007ff03bee564e in Kvantum::Style::advanceProgressbar() () from /usr/lib/x86_64-linux-gnu/qt5/plugins/styles/libkvantum.so
#7  0x00007ff07141fe6f in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ff07142c827 in QTimer::timeout(QTimer::QPrivateSignal) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007ff07142cb88 in QTimer::timerEvent(QTimerEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007ff07142087b in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007ff07210d63c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007ff072114f04 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007ff0713f1258 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007ff07144958e in QTimerInfoList::activateTimers() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007ff071449d51 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007ff06a3dff67 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007ff06a3e01a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007ff06a3e022c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007ff07144a0ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007ff0713ef2aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007ff07228a930 in QMenu::exec(QPoint const&, QAction*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007ff06a13fc05 in Akonadi::EntityTreeView::contextMenuEvent(QContextMenuEvent*) () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiWidgets.so.5
#23 0x00007ff07214cb2a in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007ff0721ecb9e in QFrame::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007ff0723600db in QAbstractItemView::viewportEvent(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007ff0723c7ecc in QTreeView::viewportEvent(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007ff0713f0f3c in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007ff07210d615 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007ff072115c6e in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007ff0713f1258 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007ff072166b79 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007ff0721690aa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007ff07210d63c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007ff072114f04 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007ff0713f1258 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007ff071952183 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#37 0x00007ff071953c65 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#38 0x00007ff07192bcab in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#39 0x00007ff0484ebce0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#40 0x00007ff06a3dff67 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007ff06a3e01a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007ff06a3e022c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007ff07144a0ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x00007ff0713ef2aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#45 0x00007ff0713f8214 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#46 0x000055c26515a47d in ?? ()
#47 0x00007ff070831a87 in __libc_start_main (main=0x55c265159630, argc=1, argv=0x7fff31774278, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff31774268) at ../csu/libc-start.c:310
#48 0x000055c26515aada in _start ()

Possible duplicates by query: bug 387837.

Reported using DrKonqi
Comment 1 Christoph Feck 2018-03-30 17:50:22 UTC 
Crash is in Kvantum widget style.