Application: plasmashell (5.8.3)

Qt Version: 5.6.1
Frameworks Version: 5.26.0
Operating System: Linux 4.4.49-16-default x86_64
Distribution: "openSUSE Leap 42.2"

-- Information about the crash:
- What I was doing when the application crashed:
clossing programs like mozilla and okular PDF.
After that there where no other issues

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0537971900 (LWP 11381))]

Thread 18 (Thread 0x7f043b7fd700 (LWP 18437)):
#0  0x00007f053089d0af in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f053178a65b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f047c02b42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f047c02edea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#12 0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#13 0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#14 0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#15 0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#16 0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#17 0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#18 0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#19 0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#20 0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#21 0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#22 0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#23 0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#24 0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#25 0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#26 0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#27 0x00007f047c02ca46 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#28 0x00007f05317899e9 in  () at /usr/lib64/libQt5Core.so.5
#29 0x00007f0530898734 in start_thread () at /lib64/libpthread.so.0
#30 0x00007f0531097d3d in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7f043bffe700 (LWP 18436)):
#0  0x00007f053089d0af in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f053178a65b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f047c02b42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f047c02edea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f047c02ca46 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f05317899e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f0530898734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f0531097d3d in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7f0444deb700 (LWP 18435)):
#0  0x00007f053089d0af in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f053178a65b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f047c02b42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f047c02edea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#12 0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#13 0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#14 0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#15 0x00007f047c02ca46 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#16 0x00007f05317899e9 in  () at /usr/lib64/libQt5Core.so.5
#17 0x00007f0530898734 in start_thread () at /lib64/libpthread.so.0
#18 0x00007f0531097d3d in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7f04455ec700 (LWP 18434)):
#0  0x00007f053089d0af in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f053178a65b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f047c02b42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f047c02edea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#12 0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#13 0x00007f047c02ca46 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#14 0x00007f05317899e9 in  () at /usr/lib64/libQt5Core.so.5
#15 0x00007f0530898734 in start_thread () at /lib64/libpthread.so.0
#16 0x00007f0531097d3d in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7f0445ded700 (LWP 18433)):
#0  0x00007f053089d0af in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f053178a65b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f047c02b42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f047c02edea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#12 0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#13 0x00007f047c02ca46 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#14 0x00007f05317899e9 in  () at /usr/lib64/libQt5Core.so.5
#15 0x00007f0530898734 in start_thread () at /lib64/libpthread.so.0
#16 0x00007f0531097d3d in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f04479c7700 (LWP 18432)):
#0  0x00007f053089d0af in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f053178a65b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f047c02b42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f047c02edea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f047c02ca46 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f05317899e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f0530898734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f0531097d3d in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f0456051700 (LWP 18431)):
#0  0x00007f053089d0af in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f053178a65b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f047c02b42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f047c02edea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f047c02ca46 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f05317899e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f0530898734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f0531097d3d in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f0446def700 (LWP 18430)):
#0  0x00007f053089d0af in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f053178a65b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f047c02b42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f047c02edea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f047c02ee32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#12 0x00007f047c02945b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#13 0x00007f047c02ca46 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#14 0x00007f05317899e9 in  () at /usr/lib64/libQt5Core.so.5
#15 0x00007f0530898734 in start_thread () at /lib64/libpthread.so.0
#16 0x00007f0531097d3d in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f04465ee700 (LWP 14937)):
#0  0x00007f053108b51d in read () at /lib64/libc.so.6
#1  0x00007f052667b931 in pa_read () at /usr/lib64/pulseaudio/libpulsecommon-9.0.so
#2  0x00007f0526d043be in pa_mainloop_prepare () at /usr/lib64/libpulse.so.0
#3  0x00007f0526d04dd2 in pa_mainloop_iterate () at /usr/lib64/libpulse.so.0
#4  0x00007f0526d04e90 in pa_mainloop_run () at /usr/lib64/libpulse.so.0
#5  0x00007f0526d13006 in  () at /usr/lib64/libpulse.so.0
#6  0x00007f05266aa408 in  () at /usr/lib64/pulseaudio/libpulsecommon-9.0.so
#7  0x00007f0530898734 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f0531097d3d in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f04551f4700 (LWP 14936)):
#0  0x00007f052d7987d4 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f052d756d4b in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f052d7572a8 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f052d75742c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f053199c32b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f0531949fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f0531784f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f0534a919c8 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007f05317899e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f0530898734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f0531097d3d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f046d550700 (LWP 11635)):
#0  0x00007f053108f49d in poll () at /lib64/libc.so.6
#1  0x00007f052d757314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f052d75742c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f053199c32b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f0531949fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f0531784f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f046e9788f7 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#7  0x00007f05317899e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f0530898734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f0531097d3d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f047f69d700 (LWP 11547)):
#0  0x00007f052d756a37 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f052d757230 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f052d75742c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f053199c32b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f0531949fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f0531784f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f0535614632 in  () at /usr/lib64/libQt5Quick.so.5
#7  0x00007f05317899e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f0530898734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f0531097d3d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f0512076700 (LWP 11546)):
#0  0x00007f053089d0af in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f053704d93b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f053704d969 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f0530898734 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f0531097d3d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f0513da5700 (LWP 11545)):
#0  0x00007f052d7987b9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f052d7572fa in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f052d75742c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f053199c32b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f0531949fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f0531784f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f0534a919c8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f05317899e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f0530898734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f0531097d3d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f05197d9700 (LWP 11514)):
#0  0x00007f053108b51d in read () at /lib64/libc.so.6
#1  0x00007f052d797670 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f052d756e49 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f052d7572a8 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f052d75742c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f053199c32b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f0531949fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007f0531784f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f0534a919c8 in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007f05317899e9 in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007f0530898734 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f0531097d3d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f051b220700 (LWP 11431)):
#0  0x00007f053108f49d in poll () at /lib64/libc.so.6
#1  0x00007f052d757314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f052d75742c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f053199c32b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f0531949fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f0531784f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f05325051d5 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007f05317899e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f0530898734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f0531097d3d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f0520e70700 (LWP 11391)):
#0  0x00007f053108f49d in poll () at /lib64/libc.so.6
#1  0x00007f0535fc83e2 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f0535fc9fcf in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f05231c6839 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f05317899e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f0530898734 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f0531097d3d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f0537971900 (LWP 11381)):
[KCrash Handler]
#6  0x00007f05319171b0 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f053191748f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f053191e329 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f0531975bb1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#10 0x00007f05319ec274 in QAbstractItemModel::rowsRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#11 0x00007f05318fab21 in QAbstractItemModel::endRemoveRows() () at /usr/lib64/libQt5Core.so.5
#12 0x00007f047e22efff in TaskManager::TaskGroupingProxyModel::Private::sourceRowsAboutToBeRemoved(QModelIndex const&, int, int) () at /usr/lib64/libtaskmanager.so.6
#13 0x00007f047e231b69 in  () at /usr/lib64/libtaskmanager.so.6
#14 0x00007f0531975bb1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#15 0x00007f05319ec224 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#16 0x00007f05318fa2a4 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib64/libQt5Core.so.5
#17 0x00007f0531918e0d in  () at /usr/lib64/libQt5Core.so.5
#18 0x00007f0531918fbd in  () at /usr/lib64/libQt5Core.so.5
#19 0x00007f053191e308 in  () at /usr/lib64/libQt5Core.so.5
#20 0x00007f0531975bb1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#21 0x00007f05319ec224 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#22 0x00007f05318fa2a4 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib64/libQt5Core.so.5
#23 0x00007f047dfcaed5 in  () at /usr/lib64/libKF5ItemModels.so.5
#24 0x00007f047dfcbbb9 in  () at /usr/lib64/libKF5ItemModels.so.5
#25 0x00007f0531975bb1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#26 0x00007f05319ec224 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#27 0x00007f05318fa2a4 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib64/libQt5Core.so.5
#28 0x00007f05319122af in  () at /usr/lib64/libQt5Core.so.5
#29 0x00007f0531975bb1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#30 0x00007f05319ec224 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#31 0x00007f05318fa2a4 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib64/libQt5Core.so.5
#32 0x00007f047e248cd3 in TaskManager::XWindowTasksModel::Private::removeWindow(unsigned long long) () at /usr/lib64/libtaskmanager.so.6
#33 0x00007f05319761c3 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#34 0x00007f05345ae302 in KWindowSystem::windowRemoved(unsigned long long) () at /usr/lib64/libKF5WindowSystem.so.5
#35 0x00007f0519bfa935 in  () at /usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#36 0x00007f05345a6ca1 in NETRootInfo::update(QFlags<NET::Property>, QFlags<NET::Property2>) () at /usr/lib64/libKF5WindowSystem.so.5
#37 0x00007f05345a7b72 in NETRootInfo::event(xcb_generic_event_t*, QFlags<NET::Property>*, QFlags<NET::Property2>*) () at /usr/lib64/libKF5WindowSystem.so.5
#38 0x00007f05345a7da2 in NETRootInfo::event(xcb_generic_event_t*, unsigned long*, int) () at /usr/lib64/libKF5WindowSystem.so.5
#39 0x00007f0519bfa306 in  () at /usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#40 0x00007f0531949270 in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib64/libQt5Core.so.5
#41 0x00007f05231c4be4 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib64/libQt5XcbQpa.so.5
#42 0x00007f05231c6c3b in QXcbConnection::processXcbEvents() () at /usr/lib64/libQt5XcbQpa.so.5
#43 0x00007f0531977166 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#44 0x00007f05328d3e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#45 0x00007f05328d849a in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#46 0x00007f053194bfc5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#47 0x00007f053194ddaa in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#48 0x00007f053199cc83 in  () at /usr/lib64/libQt5Core.so.5
#49 0x00007f052d757134 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#50 0x00007f052d757388 in  () at /usr/lib64/libglib-2.0.so.0
#51 0x00007f052d75742c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#52 0x00007f053199c30c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#53 0x00007f0531949fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#54 0x00007f0531951ec6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#55 0x000000000041eacf in  ()
#56 0x00007f0530fce6e5 in __libc_start_main () at /lib64/libc.so.6
#57 0x000000000041ed39 in _start ()

Reported using DrKonqi