[kontact] [Bug 405027] New: Kontact crashes when closing (and minimizing into the notification area)

FĂ©licien Pillot bugzilla_noreply at kde.org
Sun Mar 3 11:43:00 GMT 2019


https://bugs.kde.org/show_bug.cgi?id=405027

            Bug ID: 405027
           Summary: Kontact crashes when closing (and minimizing into the
                    notification area)
           Product: kontact
           Version: unspecified
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: felicien.pillot at riseup.net
  Target Milestone: ---

Application: kontact (5.10.2)

Qt Version: 5.12.1
Frameworks Version: 5.55.0
Operating System: Linux 4.14.85-1-lts x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
Closing the application (into the notification area)
- Unusual behavior I noticed:
Some dialogs which appear when I try to add calendars, addressbooks, etc.

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fcf7ce15b00 (LWP 8709))]

Thread 50 (Thread 0x7fcdfeaa7700 (LWP 9074)):
#0  0x00007fcf7d9f8c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fcf7bbd5540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fcf7bbd562e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fcf7df50d04 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fcf7def9b2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fcf7dd3d569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fcf7dd3e96c in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 49 (Thread 0x7fcdfe290700 (LWP 8828)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 48 (Thread 0x7fcdff59f700 (LWP 8825)):
#0  0x00007fcf7c805ef6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf76185447 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fcf7618616a in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fcf76186252 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fcf76145301 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fcf761474d7 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fcf76147ac4 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fcf76188361 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 47 (Thread 0x7fcdfffff700 (LWP 8809)):
#0  0x00007fcf7d9f8c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fcf7bbd5540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fcf7bbd562e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fcf7df50d04 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fcf7def9b2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fcf7dd3d569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fcf7dd3e96c in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 46 (Thread 0x7fce05027700 (LWP 8795)):
#0  0x00007fcf7d9fe4ed in syscall () at /usr/lib/libc.so.6
#1  0x00007fcf7dd40d15 in QSemaphore::acquire(int) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fce1d854877 in  () at
/usr/lib/qt/plugins/texttospeech/libqttexttospeech_flite.so
#3  0x00007fcf7dd3e96c in  () at /usr/lib/libQt5Core.so.5
#4  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 45 (Thread 0x7fce1d5ff700 (LWP 8793)):
#0  0x00007fcf7d9f8c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fcf7bbd5540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fcf7bbd562e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fcf7df50d04 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fcf7def9b2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fcf7dd3d569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fcf7dd3e96c in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 44 (Thread 0x7fce1e1b7700 (LWP 8792)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf7dba5cd1 in __gthread_cond_wait (__mutex=<optimized out>,
__cond=<optimized out>) at
/build/gcc/src/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
#2  0x00007fcf7dba5cd1 in
std::condition_variable::wait(std::unique_lock<std::mutex>&) (this=<optimized
out>, __lock=...) at
/build/gcc/src/gcc/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00007fce074fbf14 in  () at /usr/lib/libQt5WebKit.so.5
#4  0x00007fce074fc039 in  () at /usr/lib/libQt5WebKit.so.5
#5  0x00007fcf7dbac063 in std::execute_native_thread_routine(void*)
(__p=0x55f74dd59230) at /build/gcc/src/gcc/libstdc++-v3/src/c++11/thread.cc:80
#6  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 43 (Thread 0x7fce1f79e700 (LWP 8789)):
#0  0x00007fcf7d9f8c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fcf7bbd5540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fcf7bbd562e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fcf7df50d04 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fcf7def9b2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fcf7dd3d569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fcf7dd3e96c in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 42 (Thread 0x7fce1ff9f700 (LWP 8788)):
#0  0x00007fcf7bbd3d5e in  () at /usr/lib/libglib-2.0.so.0
#1  0x00007fcf7bbd4d3b in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#2  0x00007fcf7bbd5466 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fcf7bbd562e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4  0x00007fcf7df50d04 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5  0x00007fcf7def9b2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6  0x00007fcf7dd3d569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fcf7dd3e96c in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 41 (Thread 0x7fceb483f700 (LWP 8787)):
#0  0x00007fcf7bbd3772 in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#1  0x00007fcf7bbd55e9 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fcf7bbd562e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fcf7df50d04 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fcf7def9b2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fcf7dd3d569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fcf7dd3e96c in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 40 (Thread 0x7fceb6ffd700 (LWP 8754)):
#0  0x00007fcf7da1112b in __lll_lock_wait_private () at /usr/lib/libc.so.6
#1  0x00007fcf7da12f38 in __fprintf_chk () at /usr/lib/libc.so.6
#2  0x00007fcf708032f0 in event_logv_ () at /usr/lib/libevent-2.1.so.6
#3  0x00007fcf708034b7 in event_warn () at /usr/lib/libevent-2.1.so.6
#4  0x00007fcf70804ee2 in  () at /usr/lib/libevent-2.1.so.6
#5  0x00007fcf707faac8 in event_base_loop () at /usr/lib/libevent-2.1.so.6
#6  0x00007fcf76188f64 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fcf7612463b in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fcf76157608 in  () at /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007fcf76188361 in  () at /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 39 (Thread 0x7fceb67fc700 (LWP 8753)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf76185379 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fcf76186178 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fcf7618620f in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fcf76145318 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fcf76147806 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fcf76147b44 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fcf76188361 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 38 (Thread 0x7fceb77fe700 (LWP 8752)):
#0  0x00007fcf7c805ef6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf76185447 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fcf7618616a in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fcf76186252 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fcf76145301 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fcf76147806 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fcf76147ac4 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fcf76188361 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 37 (Thread 0x7fceb7fff700 (LWP 8751)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf70c6128c in  () at /usr/lib/libQt5Script.so.5
#2  0x00007fcf70c612a9 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 36 (Thread 0x7fcee8ff9700 (LWP 8749)):
#0  0x00007fcf7d9f8c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fcf542c3673 in  () at /usr/lib/libpulse.so.0
#2  0x00007fcf542b4990 in pa_mainloop_poll () at /usr/lib/libpulse.so.0
#3  0x00007fcf542b4fe0 in pa_mainloop_iterate () at /usr/lib/libpulse.so.0
#4  0x00007fcf542b5091 in pa_mainloop_run () at /usr/lib/libpulse.so.0
#5  0x00007fcf542c35ae in  () at /usr/lib/libpulse.so.0
#6  0x00007fcf5405d9fc in  () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#7  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 35 (Thread 0x7fcee97fa700 (LWP 8748)):
#0  0x00007fcf7da1112b in __lll_lock_wait_private () at /usr/lib/libc.so.6
#1  0x00007fcf7da12f38 in __fprintf_chk () at /usr/lib/libc.so.6
#2  0x00007fcf708032f0 in event_logv_ () at /usr/lib/libevent-2.1.so.6
#3  0x00007fcf708034b7 in event_warn () at /usr/lib/libevent-2.1.so.6
#4  0x00007fcf70804ee2 in  () at /usr/lib/libevent-2.1.so.6
#5  0x00007fcf707faac8 in event_base_loop () at /usr/lib/libevent-2.1.so.6
#6  0x00007fcf76188e7d in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fcf7612463b in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fcf76157608 in  () at /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007fcf76188361 in  () at /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 34 (Thread 0x7fcee9ffb700 (LWP 8747)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf76185379 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fcf76186178 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fcf7618620f in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fcf7610093f in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fcf7612463b in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fcf76157608 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fcf76188361 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 33 (Thread 0x7fceea7fc700 (LWP 8746)):
#0  0x00007fcf7c805ef6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf76185447 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fcf7618616a in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fcf76100950 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fcf7612463b in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fcf76157608 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fcf76188361 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 32 (Thread 0x7fceeaffd700 (LWP 8745)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf76185379 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fcf76a5dee8 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fcf761578cf in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fcf76188361 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 31 (Thread 0x7fceeb7fe700 (LWP 8744)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf76185379 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fcf76186178 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fcf7618620f in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fcf76145318 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fcf76147806 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fcf76147b04 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fcf76188361 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 30 (Thread 0x7fceebfff700 (LWP 8743)):
#0  0x00007fcf7da1112b in __lll_lock_wait_private () at /usr/lib/libc.so.6
#1  0x00007fcf7da12f38 in __fprintf_chk () at /usr/lib/libc.so.6
#2  0x00007fcf708032f0 in event_logv_ () at /usr/lib/libevent-2.1.so.6
#3  0x00007fcf708034b7 in event_warn () at /usr/lib/libevent-2.1.so.6
#4  0x00007fcf70804ee2 in  () at /usr/lib/libevent-2.1.so.6
#5  0x00007fcf707faac8 in event_base_loop () at /usr/lib/libevent-2.1.so.6
#6  0x00007fcf76188f64 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fcf7612463b in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fcf75ad6ce4 in  () at /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007fcf761576d8 in  () at /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007fcf76188361 in  () at /usr/lib/libQt5WebEngineCore.so.5
#11 0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 29 (Thread 0x7fcf08ff9700 (LWP 8742)):
#0  0x00007fcf7c805ef6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf76185447 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fcf7618616a in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fcf76186252 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fcf76145301 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fcf76147806 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fcf76147ac4 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fcf76188361 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 28 (Thread 0x7fcf097fa700 (LWP 8741)):
#0  0x00007fcf7c805ef6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf76185447 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fcf7618616a in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fcf76186252 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fcf76145301 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fcf76147806 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fcf76147ac4 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fcf76188361 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 27 (Thread 0x7fcf09ffb700 (LWP 8740)):
#0  0x00007fcf7c805ef6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf76185447 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fcf7618616a in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fcf76186252 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fcf76145301 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fcf76147806 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fcf76147ac4 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fcf76188361 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 26 (Thread 0x7fcf0a7fc700 (LWP 8739)):
#0  0x00007fcf7c805ef6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf76185447 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fcf7618616a in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fcf76186252 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fcf76145301 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fcf76147806 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fcf76147ac4 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fcf76188361 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 25 (Thread 0x7fcf0affd700 (LWP 8738)):
#0  0x00007fcf7d9f484f in write () at /usr/lib/libc.so.6
#1  0x00007fcf7d98485d in _IO_file_write@@GLIBC_2.2.5 () at /usr/lib/libc.so.6
#2  0x00007fcf7d983bbf in new_do_write () at /usr/lib/libc.so.6
#3  0x00007fcf7d984f96 in __GI__IO_file_xsputn () at /usr/lib/libc.so.6
#4  0x00007fcf7d95b732 in buffered_vfprintf () at /usr/lib/libc.so.6
#5  0x00007fcf7d958c12 in vfprintf () at /usr/lib/libc.so.6
#6  0x00007fcf7da12f8a in __fprintf_chk () at /usr/lib/libc.so.6
#7  0x00007fcf708032f0 in event_logv_ () at /usr/lib/libevent-2.1.so.6
#8  0x00007fcf708034b7 in event_warn () at /usr/lib/libevent-2.1.so.6
#9  0x00007fcf70804ee2 in  () at /usr/lib/libevent-2.1.so.6
#10 0x00007fcf707faac8 in event_base_loop () at /usr/lib/libevent-2.1.so.6
#11 0x00007fcf76188f64 in  () at /usr/lib/libQt5WebEngineCore.so.5
#12 0x00007fcf7612463b in  () at /usr/lib/libQt5WebEngineCore.so.5
#13 0x00007fcf76149fd4 in  () at /usr/lib/libQt5WebEngineCore.so.5
#14 0x00007fcf761576d8 in  () at /usr/lib/libQt5WebEngineCore.so.5
#15 0x00007fcf76188361 in  () at /usr/lib/libQt5WebEngineCore.so.5
#16 0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#17 0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 24 (Thread 0x7fcf0bfff700 (LWP 8736)):
#0  0x00007fcf7da1112b in __lll_lock_wait_private () at /usr/lib/libc.so.6
#1  0x00007fcf7da12f38 in __fprintf_chk () at /usr/lib/libc.so.6
#2  0x00007fcf708032f0 in event_logv_ () at /usr/lib/libevent-2.1.so.6
#3  0x00007fcf708034b7 in event_warn () at /usr/lib/libevent-2.1.so.6
#4  0x00007fcf70804ee2 in  () at /usr/lib/libevent-2.1.so.6
#5  0x00007fcf707faac8 in event_base_loop () at /usr/lib/libevent-2.1.so.6
#6  0x00007fcf76188e7d in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fcf7612463b in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fcf76157608 in  () at /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007fcf76188361 in  () at /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 23 (Thread 0x7fcf127fc700 (LWP 8731)):
#0  0x00007fcf7d9f47a4 in read () at /usr/lib/libc.so.6
#1  0x00007fcf7bb83971 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fcf7bbd40b0 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007fcf7bbd54e6 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fcf7bbd562e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007fcf7df50d04 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007fcf7def9b2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#7  0x00007fcf7dd3d569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fcf7d404ba6 in  () at /usr/lib/libQt5DBus.so.5
#9  0x00007fcf7dd3e96c in  () at /usr/lib/libQt5Core.so.5
#10 0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 22 (Thread 0x7fcf12ffd700 (LWP 8730)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7fcf137fe700 (LWP 8729)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7fcf13fff700 (LWP 8728)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7fcf38ff9700 (LWP 8727)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7fcf397fa700 (LWP 8726)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7fcf39ffb700 (LWP 8725)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7fcf3a7fc700 (LWP 8724)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7fcf3affd700 (LWP 8723)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7fcf3b7fe700 (LWP 8722)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7fcf3bfff700 (LWP 8721)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7fcf54ff9700 (LWP 8720)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7fcf557fa700 (LWP 8719)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7fcf55ffb700 (LWP 8718)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fcf567fc700 (LWP 8717)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fcf56ffd700 (LWP 8716)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fcf577fe700 (LWP 8715)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fcf57fff700 (LWP 8714)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fcf64cd6700 (LWP 8713)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fcf654d7700 (LWP 8712)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fcf65e1f700 (LWP 8711)):
#0  0x00007fcf7c805afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcf666d8ab4 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007fcf666d87d8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fcf686ff700 (LWP 8710)):
#0  0x00007fcf7d9f8c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fcf7ca34630 in  () at /usr/lib/libxcb.so.1
#2  0x00007fcf7ca362db in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007fcf6929b949 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007fcf7dd3e96c in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fcf7c7ffa9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fcf7da03b23 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fcf7ce15b00 (LWP 8709)):
[KCrash Handler]
#6  0x00007fcf7a68a5a0 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fcf75ac7e91 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fcf75ac832f in  () at /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007fcf75dfed2f in  () at /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007fcf75e0d31a in  () at /usr/lib/libQt5WebEngineCore.so.5
#11 0x00007fcf75c29e39 in  () at /usr/lib/libQt5WebEngineCore.so.5
#12 0x00007fcf75c2a001 in  () at /usr/lib/libQt5WebEngineCore.so.5
#13 0x00007fcf75c30be7 in  () at /usr/lib/libQt5WebEngineCore.so.5
#14 0x00007fcf75c30e01 in  () at /usr/lib/libQt5WebEngineCore.so.5
#15 0x00007fcf75c4aa37 in  () at /usr/lib/libQt5WebEngineCore.so.5
#16 0x00007fcf75c4aa24 in  () at /usr/lib/libQt5WebEngineCore.so.5
#17 0x00007fcf75c4aa24 in  () at /usr/lib/libQt5WebEngineCore.so.5
#18 0x00007fcf75c4aa24 in  () at /usr/lib/libQt5WebEngineCore.so.5
#19 0x00007fcf75c4aab9 in  () at /usr/lib/libQt5WebEngineCore.so.5
#20 0x00007fcf75f35a41 in  () at /usr/lib/libQt5WebEngineCore.so.5
#21 0x00007fcf75f36421 in  () at /usr/lib/libQt5WebEngineCore.so.5
#22 0x00007fcf745b654c in
QtWebEngineCore::WebContentsAdapter::~WebContentsAdapter() () at
/usr/lib/libQt5WebEngineCore.so.5
#23 0x00007fcf7d2c58c4 in  () at /usr/lib/libQt5WebEngineWidgets.so.5
#24 0x00007fcf7d2c5959 in  () at /usr/lib/libQt5WebEngineWidgets.so.5
#25 0x00007fcf7d2c13f0 in QWebEnginePage::~QWebEnginePage() () at
/usr/lib/libQt5WebEngineWidgets.so.5
#26 0x00007fceb528494a in
MessageViewer::MailWebEnginePage::~MailWebEnginePage() () at
/usr/lib/libKF5MessageViewer.so.5
#27 0x00007fcf7df237ab in QObjectPrivate::deleteChildren() () at
/usr/lib/libQt5Core.so.5
#28 0x00007fcf7e90428f in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#29 0x00007fceb528303a in
MessageViewer::MailWebEngineView::~MailWebEngineView() () at
/usr/lib/libKF5MessageViewer.so.5
#30 0x00007fceb522a896 in  () at /usr/lib/libKF5MessageViewer.so.5
#31 0x00007fceb522aa59 in  () at /usr/lib/libKF5MessageViewer.so.5
#32 0x00007fcf7df237ab in QObjectPrivate::deleteChildren() () at
/usr/lib/libQt5Core.so.5
#33 0x00007fcf7e90428f in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#34 0x00007fceb521e19a in MessageViewer::Viewer::~Viewer() () at
/usr/lib/libKF5MessageViewer.so.5
#35 0x00007fcf7df237ab in QObjectPrivate::deleteChildren() () at
/usr/lib/libQt5Core.so.5
#36 0x00007fcf7e90428f in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#37 0x00007fceb5a47cea in KMReaderWin::~KMReaderWin() () at
/usr/lib/libkmailprivate.so.5
#38 0x00007fcf7df237ab in QObjectPrivate::deleteChildren() () at
/usr/lib/libQt5Core.so.5
#39 0x00007fcf7e90428f in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#40 0x00007fcf7ea6fe7a in QSplitter::~QSplitter() () at
/usr/lib/libQt5Widgets.so.5
#41 0x00007fcf7df237ab in QObjectPrivate::deleteChildren() () at
/usr/lib/libQt5Core.so.5
#42 0x00007fcf7e90428f in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#43 0x00007fcf7ea6fe7a in QSplitter::~QSplitter() () at
/usr/lib/libQt5Widgets.so.5
#44 0x00007fceb5a80033 in KMMainWidget::deleteWidgets() () at
/usr/lib/libkmailprivate.so.5
#45 0x00007fceb5a98d6f in KMMainWidget::destruct() () at
/usr/lib/libkmailprivate.so.5
#46 0x00007fceb5ca5748 in  () at /usr/lib/qt/plugins/kmailpart.so
#47 0x00007fceb5ca58b9 in  () at /usr/lib/qt/plugins/kmailpart.so
#48 0x00007fcf7f11280e in KontactInterface::Plugin::~Plugin() () at
/usr/lib/libKF5KontactInterface.so.5
#49 0x00007fcee80850f7 in  () at /usr/lib/qt/plugins/kontact_kmailplugin.so
#50 0x00007fcee8085129 in  () at /usr/lib/qt/plugins/kontact_kmailplugin.so
#51 0x00007fcf7f13fa3e in Kontact::MainWindow::~MainWindow() () at
/usr/lib/libkontactprivate.so.5
#52 0x00007fcf7f13fd9a in Kontact::MainWindow::~MainWindow() () at
/usr/lib/libkontactprivate.so.5
#53 0x00007fcf7df26171 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#54 0x00007fcf7e90901c in QWidget::event(QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#55 0x00007fcf7ea16015 in QMainWindow::event(QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#56 0x00007fcf7f0563bc in KMainWindow::event(QEvent*) () at
/usr/lib/libKF5XmlGui.so.5
#57 0x00007fcf7f0a13c6 in KXmlGuiWindow::event(QEvent*) () at
/usr/lib/libKF5XmlGui.so.5
#58 0x00007fcf7e8c7e24 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#59 0x00007fcf7e8cf6e1 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#60 0x00007fcf7defae99 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#61 0x00007fcf7defdf38 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#62 0x00007fcf7df51714 in  () at /usr/lib/libQt5Core.so.5
#63 0x00007fcf7bbd3a2f in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#64 0x00007fcf7bbd55e9 in  () at /usr/lib/libglib-2.0.so.0
#65 0x00007fcf7bbd562e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#66 0x00007fcf7df50ce9 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#67 0x00007fcf7def9b2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#68 0x00007fcf7df01e36 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#69 0x000055f74c5c0189 in  ()
#70 0x00007fcf7d92c223 in __libc_start_main () at /usr/lib/libc.so.6
#71 0x000055f74c5c08be in _start ()
[Inferior 1 (process 8709) detached]

Reported using DrKonqi

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