Application: kmail (5.3.0 (QtWebEngine))

Qt Version: 5.7.0
Frameworks Version: 5.26.0
Operating System: Linux 4.8.4-1-default x86_64
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
- What I was doing when the application crashed:
I just started the app. The second time, it worked without error.

The crash does not seem to be reproducible.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f70c1624940 (LWP 9301))]

Thread 34 (Thread 0x7f6f5bfff700 (LWP 9369)):
#0  0x00007f70b42ea10f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f70aa1f46c9 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f70aa1f4ce9 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f70aa1f4ea0 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f70aa1f1b27 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 33 (Thread 0x7f6fe25b2700 (LWP 9363)):
#0  0x00007f70b42ea10f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f70a469b834 in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f70a469b879 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 32 (Thread 0x7f6fe2db3700 (LWP 9361)):
#0  0x00007f70be44968d in poll () at /lib64/libc.so.6
#1  0x00007f70b2526876 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f70b252698c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f70bef7f79b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f70bef291ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f70bed578b3 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f70bed5c558 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 31 (Thread 0x7f6ff0931700 (LWP 9353)):
#0  0x00007f70b2525d02 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f70b252679b in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f70b252698c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f70bef7f79b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f70bef291ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f70bed578b3 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f70bed5c558 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 30 (Thread 0x7f6ff47ba700 (LWP 9351)):
#0  0x00007f70be42255d in nanosleep () at /lib64/libc.so.6
#1  0x00007f70be44b434 in usleep () at /lib64/libc.so.6
#2  0x00007f7014b15092 in  () at /usr/lib64/libeToken.so
#3  0x00007f7014b154ef in  () at /usr/lib64/libeToken.so
#4  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 29 (Thread 0x7f6ff4fbb700 (LWP 9349)):
#0  0x00007f70be42255d in nanosleep () at /lib64/libc.so.6
#1  0x00007f70be44b434 in usleep () at /lib64/libc.so.6
#2  0x00007f7014ac5539 in  () at /usr/lib64/libeToken.so
#3  0x00007f7014ac562a in  () at /usr/lib64/libeToken.so
#4  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 28 (Thread 0x7f70157fa700 (LWP 9342)):
#0  0x00007f70b42ea10f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f70aa1f46c9 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f70aa1f4ce9 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f70aa1f4ea0 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f70aa1f1b27 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 27 (Thread 0x7f7015ffb700 (LWP 9341)):
#0  0x00007f7099a62b90 in pa_fdsem_before_poll () at /usr/lib64/pulseaudio/libpulsecommon-9.0.so
#1  0x00007f7099a7a847 in  () at /usr/lib64/pulseaudio/libpulsecommon-9.0.so
#2  0x00007f70a142965c in pa_mainloop_dispatch () at /usr/lib64/libpulse.so.0
#3  0x00007f70a1429a5c in pa_mainloop_iterate () at /usr/lib64/libpulse.so.0
#4  0x00007f70a1429b00 in pa_mainloop_run () at /usr/lib64/libpulse.so.0
#5  0x00007f70a1437b29 in  () at /usr/lib64/libpulse.so.0
#6  0x00007f7099a8a1e8 in  () at /usr/lib64/pulseaudio/libpulsecommon-9.0.so
#7  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 26 (Thread 0x7f70167fc700 (LWP 9340)):
#0  0x00007f70be45eb6b in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007f70be460624 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007f709db4456e in  () at /usr/lib64/libevent-2.0.so.5
#3  0x00007f709db44764 in event_warn () at /usr/lib64/libevent-2.0.so.5
#4  0x00007f709db48ee8 in  () at /usr/lib64/libevent-2.0.so.5
#5  0x00007f709db32e8a in event_base_loop () at /usr/lib64/libevent-2.0.so.5
#6  0x00007f70aa1a29be in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f70aa1dd6fa in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f70aa1c81d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f70aa1f545a in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f70aa1f1b27 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#12 0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 25 (Thread 0x7f7016ffd700 (LWP 9339)):
[KCrash Handler]
#6  0x00007f7091c9162e in  () at /usr/lib64/libdrm_nouveau.so.2
#7  0x00007f7091c91c99 in  () at /usr/lib64/libdrm_nouveau.so.2
#8  0x00007f70923e56d6 in  () at /usr/lib64/dri/nouveau_dri.so
#9  0x00007f7092069c94 in  () at /usr/lib64/dri/nouveau_dri.so
#10 0x00007f70a9c96316 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f70aa7dc520 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f70aa77ae01 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f70aa7a7e82 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007f70aa7f67ba in  () at /usr/lib64/libQt5WebEngineCore.so.5
#15 0x00007f70aa7bbada in  () at /usr/lib64/libQt5WebEngineCore.so.5
#16 0x00007f70a9aa53e0 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#17 0x00007f70a9aa8a81 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#18 0x00007f70a9aa415e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#19 0x00007f70aa21c9f9 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#20 0x00007f70aa1c8df9 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#21 0x00007f70aa1c99d9 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#22 0x00007f70aa1c9e92 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#23 0x00007f70aa1cbcf9 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#24 0x00007f70aa1dd6fa in  () at /usr/lib64/libQt5WebEngineCore.so.5
#25 0x00007f70aa1c81d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#26 0x00007f70aa1f545a in  () at /usr/lib64/libQt5WebEngineCore.so.5
#27 0x00007f70aa1f1b27 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#28 0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#29 0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 24 (Thread 0x7f70177fe700 (LWP 9338)):
#0  0x00007f70b42ea10f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f70a9cc6d30 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f70a9cafab0 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f70a9cafe3b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f70a9cabaaa in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f70aaf3694e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f70aaf38ce4 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f70aaf38d35 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f70aaf38e09 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f70aa1dd6fa in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f70aa1c81d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f70aa1f545a in  () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f70aa1f1b27 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#14 0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 23 (Thread 0x7f7017fff700 (LWP 9337)):
#0  0x00007f70b42ea4b8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f70aa1e91c2 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f70aa1e9a4d in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f70aa1cbd81 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f70aa1dd6fa in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f70aa1c81d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f70aa1f545a in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f70aa1f1b27 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 22 (Thread 0x7f7040ff9700 (LWP 9336)):
#0  0x00007f70b42ea10f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f70a97d8b5d in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f70aa1f4d7e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f70aa1f4ea0 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f70aa1f1b27 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 21 (Thread 0x7f70417fa700 (LWP 9335)):
#0  0x00007f70b42ea10f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f70aa1e99bd in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f70aa1e9a85 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f70aa1cbd43 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f70aa1dd6fa in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f70aa1c81d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f70aa1f545a in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f70aa1f1b27 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 20 (Thread 0x7f7041ffb700 (LWP 9334)):
#0  0x00007f70be45eb6b in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007f70be460624 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007f709db4456e in  () at /usr/lib64/libevent-2.0.so.5
#3  0x00007f709db44764 in event_warn () at /usr/lib64/libevent-2.0.so.5
#4  0x00007f709db48ee8 in  () at /usr/lib64/libevent-2.0.so.5
#5  0x00007f709db32e8a in event_base_loop () at /usr/lib64/libevent-2.0.so.5
#6  0x00007f70aa1a29be in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f70aa1dd6fa in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f70aa1c81d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f70a9407118 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f70a940725b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f70aa1f54d8 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f70aa1f1b27 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#14 0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 19 (Thread 0x7f70427fc700 (LWP 9333)):
#0  0x00007f70be44575d in write () at /lib64/libc.so.6
#1  0x00007f70be3dcd67 in _IO_new_file_write () at /lib64/libc.so.6
#2  0x00007f70be3dc0b2 in new_do_write () at /lib64/libc.so.6
#3  0x00007f70be3dd4be in __GI__IO_file_xsputn () at /lib64/libc.so.6
#4  0x00007f70be3b4215 in buffered_vfprintf () at /lib64/libc.so.6
#5  0x00007f70be3b1495 in vfprintf () at /lib64/libc.so.6
#6  0x00007f70be460679 in __fprintf_chk () at /lib64/libc.so.6
#7  0x00007f709db4456e in  () at /usr/lib64/libevent-2.0.so.5
#8  0x00007f709db44764 in event_warn () at /usr/lib64/libevent-2.0.so.5
#9  0x00007f709db48ee8 in  () at /usr/lib64/libevent-2.0.so.5
#10 0x00007f709db32e8a in event_base_loop () at /usr/lib64/libevent-2.0.so.5
#11 0x00007f70aa1a29be in  () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f70aa1dd6fa in  () at /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f70aa1c81d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007f70a9407068 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#15 0x00007f70a94072bb in  () at /usr/lib64/libQt5WebEngineCore.so.5
#16 0x00007f70aa1f54d8 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#17 0x00007f70aa1f1b27 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#18 0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#19 0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7f7042ffd700 (LWP 9332)):
#0  0x00007f70b42ea10f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f70aa1e99bd in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f70aa1e9a85 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f70aa1cbd43 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f70aa1dd6fa in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f70aa1c81d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f70a9406fb8 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f70a94072ab in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f70aa1f54d8 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f70aa1f1b27 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7f70437fe700 (LWP 9331)):
#0  0x00007f70b42ea10f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f70aa1e99bd in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f70aa1e9a85 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f70aa1cbd43 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f70aa1dd6fa in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f70aa1c81d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f70a9406f08 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f70a940729b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f70aa1f54d8 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f70aa1f1b27 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7f7043fff700 (LWP 9330)):
#0  0x00007f70be45eb6b in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007f70be460624 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007f709db4456e in  () at /usr/lib64/libevent-2.0.so.5
#3  0x00007f709db44764 in event_warn () at /usr/lib64/libevent-2.0.so.5
#4  0x00007f709db48ee8 in  () at /usr/lib64/libevent-2.0.so.5
#5  0x00007f709db32e8a in event_base_loop () at /usr/lib64/libevent-2.0.so.5
#6  0x00007f70aa1a2a4a in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f70aa1dd6fa in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f70aa1c81d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f70a9406e58 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f70a940728b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f70aa1f54d8 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f70aa1f1b27 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#14 0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7f705c8bd700 (LWP 9329)):
#0  0x00007f70b42ea10f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f70aa1e99bd in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f70aa1e9a85 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f70aa1cbd43 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f70aa1dd6fa in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f70aa1c81d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f70a9406da8 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f70a940727b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f70aa1f54d8 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f70aa1f1b27 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7f705d0be700 (LWP 9328)):
#0  0x00007f70b42ea4b8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f70aa1e91c2 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f70aa1f7f20 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f70aa1f8483 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f70aa1f1b27 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f705d8bf700 (LWP 9327)):
#0  0x00007f70b42ea4b8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f70aa1e91c2 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f70aa1f7f20 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f70aa1f8483 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f70aa1f1b27 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f705e0c0700 (LWP 9326)):
#0  0x00007f70b42ea10f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f70aa1e99bd in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f70aa1e9a85 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f70aa1cbd43 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f70aa1dd6fa in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f70aa1c81d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f70aa1f545a in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f70aa1f1b27 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f705e8c1700 (LWP 9325)):
#0  0x00007f70be3e8f2c in __strcmp_sse2 () at /lib64/libc.so.6
#1  0x00007f70be396ef7 in transcmp () at /lib64/libc.so.6
#2  0x00007f70be44f170 in tfind () at /lib64/libc.so.6
#3  0x00007f70be397d34 in __dcigettext () at /lib64/libc.so.6
#4  0x00007f70be3ea7fc in strerror_r () at /lib64/libc.so.6
#5  0x00007f70be3ea72f in strerror () at /lib64/libc.so.6
#6  0x00007f709db44751 in event_warn () at /usr/lib64/libevent-2.0.so.5
#7  0x00007f709db48ee8 in  () at /usr/lib64/libevent-2.0.so.5
#8  0x00007f709db32e8a in event_base_loop () at /usr/lib64/libevent-2.0.so.5
#9  0x00007f70aa1a2a4a in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f70aa1dd6fa in  () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f70aa1c81d5 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f70aa1f545a in  () at /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f70aa1f1b27 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#15 0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f70653e6700 (LWP 9317)):
#0  0x00007f70be44968d in poll () at /lib64/libc.so.6
#1  0x00007f70b2526876 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f70b252698c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f70bef7f79b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f70bef291ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f70bed578b3 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f70bed5c558 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f7065be7700 (LWP 9315)):
#0  0x00007f70be44968d in poll () at /lib64/libc.so.6
#1  0x00007f70b2526876 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f70b252698c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f70bef7f79b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f70bef291ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f70bed578b3 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f70bed5c558 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f7076ddf700 (LWP 9313)):
#0  0x00007f70b256bec4 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f70b252640a in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f70b25268e0 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f70b252698c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f70bef7f79b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f70bef291ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f70bed578b3 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f70bed5c558 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f70777fe700 (LWP 9311)):
#0  0x00007f70be44968d in poll () at /lib64/libc.so.6
#1  0x00007f70b2526876 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f70b252698c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f70bef7f79b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f70bef291ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f70bed578b3 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f70bed5c558 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f7077fff700 (LWP 9309)):
#0  0x00007f70be44968d in poll () at /lib64/libc.so.6
#1  0x00007f70b2526876 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f70b252698c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f70bef7f79b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f70bef291ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f70bed578b3 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f70bed5c558 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f7084943700 (LWP 9307)):
#0  0x00007f70bed53aa4 in QMutex::unlock() () at /usr/lib64/libQt5Core.so.5
#1  0x00007f70bef7ef21 in  () at /usr/lib64/libQt5Core.so.5
#2  0x00007f70b2525d79 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f70b252679b in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f70b252698c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f70bef7f79b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f70bef291ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007f70bed578b3 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f70bed5c558 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f70857d5700 (LWP 9306)):
#0  0x00007f70bed53709 in QMutex::lock() () at /usr/lib64/libQt5Core.so.5
#1  0x00007f70bef7ef0f in  () at /usr/lib64/libQt5Core.so.5
#2  0x00007f70b2525d79 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f70b252679b in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f70b252698c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f70bef7f79b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f70bef291ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007f70bed578b3 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f70bed5c558 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f70869e6700 (LWP 9305)):
#0  0x00007f70b256bec0 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f70b2525d6c in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f70b252679b in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f70b252698c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f70bef7f79b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f70bef291ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f70bed578b3 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f70bd3bd3e5 in  () at /usr/lib64/libQt5DBus.so.5
#8  0x00007f70bed5c558 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f7093ec0700 (LWP 9304)):
#0  0x00007f70be44968d in poll () at /lib64/libc.so.6
#1  0x00007f70b173d3e0 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f70b173f179 in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f70959aa5f9 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f70bed5c558 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f70b42e4454 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f70be45239f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f70c1624940 (LWP 9301)):
#0  0x00007f70b42ea10f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f70bed5d40b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f70a8827fa6 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f70a882897e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f70a6d662a7 in QSGRenderer::preprocess() () at /usr/lib64/libQt5Quick.so.5
#5  0x00007f70a6d659ff in QSGRenderer::renderScene(QSGBindable const&) () at /usr/lib64/libQt5Quick.so.5
#6  0x00007f70a6d66127 in QSGRenderer::renderScene(unsigned int) () at /usr/lib64/libQt5Quick.so.5
#7  0x00007f70b538a79d in  () at /usr/lib64/libQt5WebEngineWidgets.so.5
#8  0x00007f70bfc8694d in  () at /usr/lib64/libQt5Widgets.so.5
#9  0x00007f70bfc67a58 in QWidget::event(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#10 0x00007f70b538aa3e in  () at /usr/lib64/libQt5WebEngineWidgets.so.5
#11 0x00007f70bfc2092c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#12 0x00007f70bfc280e1 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#13 0x00007f70bef2b200 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#14 0x00007f70bfc6082a in QWidgetPrivate::sendPaintEvent(QRegion const&) () at /usr/lib64/libQt5Widgets.so.5
#15 0x00007f70bfc30371 in  () at /usr/lib64/libQt5Widgets.so.5
#16 0x00007f70bfc30de7 in  () at /usr/lib64/libQt5Widgets.so.5
#17 0x00007f70bfc4fc4f in QWidgetPrivate::syncBackingStore() () at /usr/lib64/libQt5Widgets.so.5
#18 0x00007f70bfc67b28 in QWidget::event(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#19 0x00007f70bfd6603b in QMainWindow::event(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#20 0x00007f70bde76537 in KMainWindow::event(QEvent*) () at /usr/lib64/libKF5XmlGui.so.5
#21 0x00007f70bdebb0e5 in KXmlGuiWindow::event(QEvent*) () at /usr/lib64/libKF5XmlGui.so.5
#22 0x00007f70bfc2092c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#23 0x00007f70bfc280e1 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#24 0x00007f70bef2b200 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#25 0x00007f70bef2d98d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#26 0x00007f70bef7f373 in  () at /usr/lib64/libQt5Core.so.5
#27 0x00007f70b2526677 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#28 0x00007f70b25268e0 in  () at /usr/lib64/libglib-2.0.so.0
#29 0x00007f70b252698c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#30 0x00007f70bef7f77f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#31 0x00007f70bef291ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#32 0x00007f70bef3195c in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#33 0x0000000000403c44 in  ()
#34 0x00007f70be389291 in __libc_start_main () at /lib64/libc.so.6
#35 0x000000000040432a in _start ()

Reported using DrKonqi