Bug 382087

Summary: Kontact (kontact), signal: Segmentation fault: QCoreApplication::postEvent(QObject*, QEvent*, int)
Product: [Applications] kontact Reporter: Don Curtis <bugrprt21882>
Component: generalAssignee: kdepim bugs <kdepim-bugs>
Status: RESOLVED DOWNSTREAM    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version: unspecified   
Target Milestone: ---   
Platform: openSUSE   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Don Curtis 2017-07-07 07:17:31 UTC 
Application: kontact (5.3.0 (QtWebEngine))

Qt Version: 5.6.1
Frameworks Version: 5.26.0
Operating System: Linux 4.4.73-18.17-default x86_64
Distribution: "openSUSE Leap 42.2"

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

In KMail2, deleted the Search folder -- to get rid of the previous searches -- and then closed KMail2 / Kontact with <Ctrl+Q>.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f56347607c0 (LWP 6144))]

Thread 36 (Thread 0x7f54d535e700 (LWP 8420)):
#0  0x00007f562d054468 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f56246840c2 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f5624691b06 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f5624691cf6 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f562468ba2e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 35 (Thread 0x7f548e223700 (LWP 6369)):
#0  0x00007f562d0540bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f55a2b596e3 in  () at /usr/lib64/libQt5WebKit.so.5
#2  0x00007f55a2e7b341 in  () at /usr/lib64/libQt5WebKit.so.5
#3  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 34 (Thread 0x7f548ea24700 (LWP 6368)):
#0  0x00007f562d0540bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f55a2b596e3 in  () at /usr/lib64/libQt5WebKit.so.5
#2  0x00007f55a2e7b341 in  () at /usr/lib64/libQt5WebKit.so.5
#3  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 33 (Thread 0x7f548f225700 (LWP 6367)):
#0  0x00007f562d0540bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f55a2b596e3 in  () at /usr/lib64/libQt5WebKit.so.5
#2  0x00007f55a2e7b341 in  () at /usr/lib64/libQt5WebKit.so.5
#3  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 32 (Thread 0x7f548fa26700 (LWP 6366)):
#0  0x00007f562d0540bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f55a2b5870d in  () at /usr/lib64/libQt5WebKit.so.5
#2  0x00007f55a2e7b341 in  () at /usr/lib64/libQt5WebKit.so.5
#3  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 31 (Thread 0x7f54d063e700 (LWP 6365)):
#0  0x00007f562d0540bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f55a2e4c873 in  () at /usr/lib64/libQt5WebKit.so.5
#2  0x00007f55a2e4c899 in  () at /usr/lib64/libQt5WebKit.so.5
#3  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 30 (Thread 0x7f54d1ed7700 (LWP 6362)):
#0  0x00007f563115c28d in read () at /lib64/libc.so.6
#1  0x00007f562c443670 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f562c402e49 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f562c4032a8 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f562c40342c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f5631c9133b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f5631c3efeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007f5631a79f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f5631a7e9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 29 (Thread 0x7f54d919d700 (LWP 6231)):
#0  0x00007f562d0540bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f562468dce9 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f562468e4ad in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f562468ecd0 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f562468ba2e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 28 (Thread 0x7f54d999e700 (LWP 6230)):
#0  0x00007f562d0540bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f562468dce9 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f562468e4ad in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f562468ecd0 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f562468ba2e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 27 (Thread 0x7f54dbfff700 (LWP 6206)):
#0  0x00007f563116020d in poll () at /lib64/libc.so.6
#1  0x00007f562c403314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f562c40342c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f5631c9133b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f5631c3efeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f5631a79f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f5631a7e9e9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 26 (Thread 0x7f54f09a9700 (LWP 6204)):
#0  0x00007f562c4006fe in  () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f562c4028fb in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f562c403230 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f562c40342c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f5631c9133b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f5631c3efeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f5631a79f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f5631a7e9e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 25 (Thread 0x7f54f11aa700 (LWP 6202)):
#0  0x00007f563116020d in poll () at /lib64/libc.so.6
#1  0x00007f562c403314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f562c40342c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f5631c9133b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f5631c3efeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f5631a79f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f5631a7e9e9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 24 (Thread 0x7f54f19ab700 (LWP 6200)):
#0  0x00007f563116020d in poll () at /lib64/libc.so.6
#1  0x00007f562c403314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f562c40342c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f5631c9133b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f5631c3efeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f5631a79f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f5631a7e9e9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 23 (Thread 0x7f54f29ad700 (LWP 6196)):
#0  0x00007f563116020d in poll () at /lib64/libc.so.6
#1  0x00007f562c403314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f562c40342c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f5631c9133b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f5631c3efeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f5631a79f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f5631a7e9e9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 22 (Thread 0x7f5503bd6700 (LWP 6184)):
#0  0x00007f563116020d in poll () at /lib64/libc.so.6
#1  0x00007f562c403314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f562c40342c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f5631c9133b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f5631c3efeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f5631a79f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f5631a7e9e9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 21 (Thread 0x7f5519225700 (LWP 6176)):
#0  0x00007f563115c28d in read () at /lib64/libc.so.6
#1  0x00007f562c443670 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f562c402e49 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f562c4032a8 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f562c40342c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f5631c9133b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f5631c3efeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007f5631a79f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f5631a7e9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 20 (Thread 0x7f551a8ae700 (LWP 6173)):
#0  0x00007f562c4447d0 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f562c4029e8 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f562c403230 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f562c40342c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f5631c9133b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f5631c3efeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f5631a79f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f5631a7e9e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 19 (Thread 0x7f55c8ff9700 (LWP 6172)):
#0  0x00007f562d0540bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f561eac293b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f561eac2969 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7f55c97fa700 (LWP 6167)):
#0  0x00007f562d0540bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f56244e9830 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f56244d72db in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f56244d7555 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f56244d3e47 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f5625cd9c7a in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f5625cd9f91 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5625cda082 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f5624677732 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f56246631d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f562468f050 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f562468ba2e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#13 0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7f55c9ffb700 (LWP 6166)):
#0  0x00007f562d0540bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f562468dce9 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f562468e4ad in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f562468ecd0 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f562468ba2e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7f55ca7fc700 (LWP 6165)):
#0  0x00007f560f31d3c6 in pa_pstream_ref () at /usr/lib64/pulseaudio/libpulsecommon-9.0.so
#1  0x00007f560f31dfa5 in  () at /usr/lib64/pulseaudio/libpulsecommon-9.0.so
#2  0x00007f560f31e84a in  () at /usr/lib64/pulseaudio/libpulsecommon-9.0.so
#3  0x00007f560fbb4a14 in pa_mainloop_dispatch () at /usr/lib64/libpulse.so.0
#4  0x00007f560fbb4dea in pa_mainloop_iterate () at /usr/lib64/libpulse.so.0
#5  0x00007f560fbb4e90 in pa_mainloop_run () at /usr/lib64/libpulse.so.0
#6  0x00007f560fbc3006 in  () at /usr/lib64/libpulse.so.0
#7  0x00007f560f32e408 in  () at /usr/lib64/pulseaudio/libpulsecommon-9.0.so
#8  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7f55caffd700 (LWP 6164)):
#0  0x00007f562d0540bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f562468481f in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f56246848f4 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f562466714b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f5624677732 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f56246631d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f562468f050 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f562468ba2e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7f55cb7fe700 (LWP 6163)):
#0  0x00007f562d0540bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f562408ab19 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f562468ecd0 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f562468ba2e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f55cbfff700 (LWP 6162)):
#0  0x00007f562d0540bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f562468481f in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f56246848f4 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f562466714b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f5624677732 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f56246631d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f562468f050 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f562468ba2e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f55ecff9700 (LWP 6161)):
#0  0x00007f563115c2ed in write () at /lib64/libc.so.6
#1  0x00007f56310f2840 in _IO_new_file_write () at /lib64/libc.so.6
#2  0x00007f56310f1e63 in new_do_write () at /lib64/libc.so.6
#3  0x00007f56310f2e46 in __GI__IO_file_xsputn () at /lib64/libc.so.6
#4  0x00007f56310c9b1b in buffered_vfprintf () at /lib64/libc.so.6
#5  0x00007f56310c6e8e in vfprintf () at /lib64/libc.so.6
#6  0x00007f5631176aa3 in __fprintf_chk () at /lib64/libc.so.6
#7  0x00007f561d427fdf in  () at /usr/lib64/libevent-2.0.so.5
#8  0x00007f561d4281b7 in event_warn () at /usr/lib64/libevent-2.0.so.5
#9  0x00007f561d42c468 in  () at /usr/lib64/libevent-2.0.so.5
#10 0x00007f561d418477 in event_base_loop () at /usr/lib64/libevent-2.0.so.5
#11 0x00007f5624644401 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f5624677732 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f56246631d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007f5623d1d435 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#15 0x00007f5623d1d54b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#16 0x00007f562468f050 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#17 0x00007f562468ba2e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#18 0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#19 0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f55ed7fa700 (LWP 6160)):
#0  0x00007f5631174eab in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007f5631176a46 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007f561d427fdf in  () at /usr/lib64/libevent-2.0.so.5
#3  0x00007f561d4281b7 in event_warn () at /usr/lib64/libevent-2.0.so.5
#4  0x00007f561d42c468 in  () at /usr/lib64/libevent-2.0.so.5
#5  0x00007f561d418477 in event_base_loop () at /usr/lib64/libevent-2.0.so.5
#6  0x00007f5624644401 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5624677732 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f56246631d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f5623d1d3b5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f5623d1d5ab in  () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f562468f050 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f562468ba2e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#14 0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f55edffb700 (LWP 6159)):
#0  0x00007f562d0540bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f562468481f in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f56246848f4 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f562466714b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f5624677732 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f56246631d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f5623d1d335 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5623d1d59b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f562468f050 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f562468ba2e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f55ee7fc700 (LWP 6158)):
#0  0x00007f562d0540bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f562468481f in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f56246848f4 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f562466714b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f5624677732 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f56246631d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f5623d1d2b5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5623d1d58b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f562468f050 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f562468ba2e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f55eeffd700 (LWP 6157)):
#0  0x00007f5631174eab in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007f5631176a46 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007f561d427fdf in  () at /usr/lib64/libevent-2.0.so.5
#3  0x00007f561d4281b7 in event_warn () at /usr/lib64/libevent-2.0.so.5
#4  0x00007f561d42c468 in  () at /usr/lib64/libevent-2.0.so.5
#5  0x00007f561d418477 in event_base_loop () at /usr/lib64/libevent-2.0.so.5
#6  0x00007f562464436e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5624677732 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f56246631d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f5623d1d235 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f5623d1d57b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f562468f050 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f562468ba2e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#14 0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f55ef7fe700 (LWP 6156)):
#0  0x00007f562d0540bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f562468481f in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f56246848f4 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f562466714b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f5624677732 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f56246631d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f5623d1d1b5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5623d1d56b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f562468f050 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f562468ba2e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f55fd5ac700 (LWP 6153)):
#0  0x00007f562d0540bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f562468481f in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f56246848f4 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f562466714b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f5624677732 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f56246631d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f562468f050 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f562468ba2e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f55fddad700 (LWP 6152)):
#0  0x00007f5631174eab in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007f5631176a46 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007f561d427fdf in  () at /usr/lib64/libevent-2.0.so.5
#3  0x00007f561d4281b7 in event_warn () at /usr/lib64/libevent-2.0.so.5
#4  0x00007f561d42c468 in  () at /usr/lib64/libevent-2.0.so.5
#5  0x00007f561d418477 in event_base_loop () at /usr/lib64/libevent-2.0.so.5
#6  0x00007f5624644401 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5624677732 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f56246631d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f562468f050 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f562468ba2e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#12 0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f5604bce700 (LWP 6148)):
#0  0x00007f562c402adc in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f562c403230 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f562c40342c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f5631c9133b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f5631c3efeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f5631a79f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f5630396295 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007f5631a7e9e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f5605cfe700 (LWP 6147)):
#0  0x00007f562d0540bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f560d0f1533 in  () at /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f560d0f0d57 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f56160de700 (LWP 6146)):
#0  0x00007f563116020d in poll () at /lib64/libc.so.6
#1  0x00007f562cb323e2 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f562cb33fcf in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f5618010839 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f5631a7e9e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f562d04f744 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f5631168aad in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f56347607c0 (LWP 6144)):
[KCrash Handler]
#6  0x00007f5631c474f9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f5631c43548 in QCoreApplication::postEvent(QObject*, QEvent*, int) () at /usr/lib64/libQt5Core.so.5
#8  0x00007f5631c6ae14 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#9  0x00007f5631c6b7bf in QObject::destroyed(QObject*) () at /usr/lib64/libQt5Core.so.5
#10 0x00007f5631c7326e in QObject::~QObject() () at /usr/lib64/libQt5Core.so.5
#11 0x00007f5614f8beb6 in  () at /usr/lib64/libKF5Notifications.so.5
#12 0x00007f5614f8bf09 in  () at /usr/lib64/libKF5Notifications.so.5
#13 0x00007f5631c69ab5 in QObjectPrivate::deleteChildren() () at /usr/lib64/libQt5Core.so.5
#14 0x00007f5631c72fce in QObject::~QObject() () at /usr/lib64/libQt5Core.so.5
#15 0x00007f55aad012d4 in KMail::KMSystemTray::~KMSystemTray() (this=0x27191c0, __in_chrg=<optimized out>) at /usr/src/debug/kdepim-16.08.2/kmail/src/kmsystemtray.cpp:145
#16 0x00007f55aad012d4 in KMail::KMSystemTray::~KMSystemTray() (this=0x27191c0, __in_chrg=<optimized out>) at /usr/src/debug/kdepim-16.08.2/kmail/src/kmsystemtray.cpp:147
#17 0x00007f5631c69ab5 in QObjectPrivate::deleteChildren() () at /usr/lib64/libQt5Core.so.5
#18 0x00007f563298935f in QWidget::~QWidget() () at /usr/lib64/libQt5Widgets.so.5
#19 0x00007f55aad4c798 in KMMainWidget::~KMMainWidget() (this=0x2260ad0, __in_chrg=<optimized out>) at /usr/src/debug/kdepim-16.08.2/kmail/src/kmmainwidget.cpp:381
#20 0x00007f55aad4c849 in KMMainWidget::~KMMainWidget() (this=0x2260ad0, __in_chrg=<optimized out>) at /usr/src/debug/kdepim-16.08.2/kmail/src/kmmainwidget.cpp:386
#21 0x00007f5631c69ab5 in QObjectPrivate::deleteChildren() () at /usr/lib64/libQt5Core.so.5
#22 0x00007f563298935f in QWidget::~QWidget() () at /usr/lib64/libQt5Widgets.so.5
#23 0x00007f56329895b9 in QWidget::~QWidget() () at /usr/lib64/libQt5Widgets.so.5
#24 0x00007f562fc24515 in KParts::Part::~Part() () at /usr/lib64/libKF5Parts.so.5
#25 0x00007f55ab104d87 in KMailPart::~KMailPart() (this=this@entry=0x248fb70, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /usr/src/debug/kdepim-16.08.2/kmail/src/kmail_part.cpp:102
#26 0x00007f55ab104df9 in KMailPart::~KMailPart() (this=0x248fb70, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /usr/src/debug/kdepim-16.08.2/kmail/src/kmail_part.cpp:110
#27 0x00007f5633f407ce in KontactInterface::Plugin::~Plugin() () at /usr/lib64/libKF5KontactInterface.so.5
#28 0x00007f55ab761ad6 in KMailPlugin::~KMailPlugin() (this=0x2586e00, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /usr/src/debug/kdepim-16.08.2/kmail/src/kontactplugin/kmail/kmail_plugin.cpp:171
#29 0x00007f55ab761af9 in KMailPlugin::~KMailPlugin() (this=0x2586e00, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /usr/src/debug/kdepim-16.08.2/kmail/src/kontactplugin/kmail/kmail_plugin.cpp:175
#30 0x00007f5634170b1e in Kontact::MainWindow::~MainWindow() (this=this@entry=0x21ef170, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /usr/src/debug/kdepim-16.08.2/kontact/src/mainwindow.cpp:298
#31 0x00007f5634170ca9 in Kontact::MainWindow::~MainWindow() (this=0x21ef170, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /usr/src/debug/kdepim-16.08.2/kontact/src/mainwindow.cpp:300
#32 0x00007f5631c6c1c0 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#33 0x00007f563298d6cb in QWidget::event(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#34 0x00007f5632a9e0cb in QMainWindow::event(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#35 0x00007f5633aa44f7 in KMainWindow::event(QEvent*) () at /usr/lib64/libKF5XmlGui.so.5
#36 0x00007f5633ae0865 in KXmlGuiWindow::event(QEvent*) () at /usr/lib64/libKF5XmlGui.so.5
#37 0x00007f563294be3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#38 0x00007f563295049a in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#39 0x00007f5631c40fd5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#40 0x00007f5631c42dba in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#41 0x00007f5631c91c93 in  () at /usr/lib64/libQt5Core.so.5
#42 0x00007f562c403134 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#43 0x00007f562c403388 in  () at /usr/lib64/libglib-2.0.so.0
#44 0x00007f562c40342c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#45 0x00007f5631c9131c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#46 0x00007f5631c3efeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#47 0x00007f5631c46ed6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#48 0x00000000004046bb in main(int, char**) (argc=1, argv=0x7fff4a0c8288) at /usr/src/debug/kdepim-16.08.2/kontact/src/main.cpp:223

Reported using DrKonqi
Comment 1 Don Curtis 2019-07-18 08:14:07 UTC 
With openSUSE Leap 15.1 this is no longer an issue.

kmail2 18.12.3
Qt: 5.9.7
KDE Frameworks: 5.55.0