Application: plasmashell (5.9.5)

Qt Version: 5.7.1
Frameworks Version: 5.33.0
Operating System: Linux 4.11.2-1-default x86_64
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
- What I was doing when the application crashed:
I had Firefox open but wasn't actively browsing. I worked remotely using x2go on a server and left the computer for a few minutes. When I came back the screen was in power save mode and Firefox as well as Plasma had crashed.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f8cea6538c0 (LWP 4799))]

Thread 22 (Thread 0x7f8bcc756700 (LWP 17300)):
#0  0x00007f8ce32d39a6 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f8ce441d37b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f8ce810a2a5 in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f8ce810ab9a in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f8ce441c4c8 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 21 (Thread 0x7f8bf9376700 (LWP 1000)):
#0  0x00007f8ce32d39a6 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f8ce441d37b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f8ce810a2a5 in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f8ce810ab9a in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f8ce441c4c8 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 20 (Thread 0x7f8bfb254700 (LWP 25728)):
#0  0x00007f8ce32d39a6 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f8ce441d37b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f8ce810a2a5 in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f8ce810ab9a in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f8ce441c4c8 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 19 (Thread 0x7f8bfd75f700 (LWP 25076)):
#0  0x00007f8ce32d39a6 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f8ce441d37b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f8ce810a2a5 in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f8ce810ab9a in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f8ce441c4c8 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7f8bfe060700 (LWP 9606)):
#0  0x00007f8ce32d39a6 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f8ce441d37b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f8ce810a2a5 in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f8ce810ab9a in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f8ce441c4c8 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7f8c0bbc6700 (LWP 9605)):
#0  0x00007f8cd9948b98 in  () at /usr/lib64/pulseaudio/libpulsecommon-10.0.so
#1  0x00007f8cd9949d68 in  () at /usr/lib64/pulseaudio/libpulsecommon-10.0.so
#2  0x00007f8cd994a089 in  () at /usr/lib64/pulseaudio/libpulsecommon-10.0.so
#3  0x00007f8cd994a90a in  () at /usr/lib64/pulseaudio/libpulsecommon-10.0.so
#4  0x00007f8cda8fb43c in pa_mainloop_dispatch () at /usr/lib64/libpulse.so.0
#5  0x00007f8cda8fb83c in pa_mainloop_iterate () at /usr/lib64/libpulse.so.0
#6  0x00007f8cda8fb8e0 in pa_mainloop_run () at /usr/lib64/libpulse.so.0
#7  0x00007f8cda9098c9 in  () at /usr/lib64/libpulse.so.0
#8  0x00007f8cd995a258 in  () at /usr/lib64/pulseaudio/libpulsecommon-10.0.so
#9  0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7f8c1728d700 (LWP 9604)):
#0  0x00007f8cdeb422d4 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f8cdeafc454 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f8cdeafca44 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f8cdeafcbbc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f8ce46401bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f8ce45e9b1a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f8ce4417813 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f8ce750a305 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007f8ce441c4c8 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7f8c14cdc700 (LWP 8698)):
#0  0x00007f8ce32d39a6 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f8ce441d37b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f8ce810a2a5 in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f8ce810ab9a in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f8ce441c4c8 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7f8c130cc700 (LWP 5417)):
#0  0x00007f8ce32d39a6 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f8ce441d37b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f8ce810a2a5 in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f8ce810ab9a in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f8ce441c4c8 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f8c155dd700 (LWP 5415)):
#0  0x00007f8ce32d39a6 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f8ce441d37b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f8ce810a2a5 in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f8ce810ab9a in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f8ce441c4c8 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f8c17c18700 (LWP 5410)):
#0  0x00007f8ce32d39a6 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f8ce441d37b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f8ce810a2a5 in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f8ce810ab9a in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f8ce441c4c8 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f8c26890700 (LWP 5407)):
#0  0x00007f8ce32d39a6 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f8ce441d37b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f8ce810a2a5 in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f8ce810ab9a in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f8ce441c4c8 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f8c2a532700 (LWP 5401)):
#0  0x00007f8ce44c1795 in  () at /usr/lib64/libQt5Core.so.5
#1  0x00007f8ce463de39 in QTimerInfoList::updateCurrentTime() () at /usr/lib64/libQt5Core.so.5
#2  0x00007f8ce463e3e5 in QTimerInfoList::timerWait(timespec&) () at /usr/lib64/libQt5Core.so.5
#3  0x00007f8ce463fa24 in  () at /usr/lib64/libQt5Core.so.5
#4  0x00007f8cdeafbf9d in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f8cdeafc9cb in  () at /usr/lib64/libglib-2.0.so.0
#6  0x00007f8cdeafcbbc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#7  0x00007f8ce46401bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#8  0x00007f8ce45e9b1a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#9  0x00007f8ce4417813 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#10 0x00007f8c2cdccdf7 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#11 0x00007f8ce441c4c8 in  () at /usr/lib64/libQt5Core.so.5
#12 0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#13 0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f8c31d9e700 (LWP 5397)):
#0  0x00007f8ce32d39a6 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f8ce441d37b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f8ce810a2a5 in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f8ce810ab9a in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f8ce441c4c8 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f8c3e367700 (LWP 5377)):
#0  0x00007f8ce3d1d7bd in poll () at /lib64/libc.so.6
#1  0x00007f8cdeafcaa6 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f8cdeafcbbc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f8ce46401bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f8ce45e9b1a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f8ce4417813 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f8ce809b2d6 in  () at /usr/lib64/libQt5Quick.so.5
#7  0x00007f8ce441c4c8 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f8ccaeff700 (LWP 5240)):
#0  0x00007f8ce32d39a6 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f8ce9d3b974 in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f8ce9d3b9b9 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f8ccbfa9700 (LWP 5234)):
#0  0x00007f8ce3d27f50 in recvmsg () at /lib64/libc.so.6
#1  0x00007f8ce3d4183d in __netlink_request () at /lib64/libc.so.6
#2  0x00007f8ce3d41b8e in getifaddrs_internal () at /lib64/libc.so.6
#3  0x00007f8ce3d42860 in getifaddrs () at /lib64/libc.so.6
#4  0x00007f8ce14cf16b in  () at /usr/lib64/libQt5Network.so.5
#5  0x00007f8ce14ca225 in  () at /usr/lib64/libQt5Network.so.5
#6  0x00007f8ce14cacf5 in QNetworkInterface::allInterfaces() () at /usr/lib64/libQt5Network.so.5
#7  0x00007f8ccb35fef6 in  () at /usr/lib64/qt5/plugins/bearer/libqgenericbearer.so
#8  0x00007f8ce45f6c7e in QMetaMethod::invoke(QObject*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) const () at /usr/lib64/libQt5Core.so.5
#9  0x00007f8ce45fc6da in QMetaObject::invokeMethod(QObject*, char const*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) () at /usr/lib64/libQt5Core.so.5
#10 0x00007f8ce14aab8b in QNetworkConfigurationManagerPrivate::pollEngines() () at /usr/lib64/libQt5Network.so.5
#11 0x00007f8ce1525abd in  () at /usr/lib64/libQt5Network.so.5
#12 0x00007f8ce4617739 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#13 0x00007f8ce46240c8 in QTimer::timerEvent(QTimerEvent*) () at /usr/lib64/libQt5Core.so.5
#14 0x00007f8ce46185a3 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#15 0x00007f8ce45ebb1b in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#16 0x00007f8ce463f13e in QTimerInfoList::activateTimers() () at /usr/lib64/libQt5Core.so.5
#17 0x00007f8ce463f661 in  () at /usr/lib64/libQt5Core.so.5
#18 0x00007f8cdeafc8a7 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#19 0x00007f8cdeafcb10 in  () at /usr/lib64/libglib-2.0.so.0
#20 0x00007f8cdeafcbbc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#21 0x00007f8ce464019f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#22 0x00007f8ce45e9b1a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#23 0x00007f8ce4417813 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#24 0x00007f8ce441c4c8 in  () at /usr/lib64/libQt5Core.so.5
#25 0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#26 0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f8ccedd2700 (LWP 4970)):
#0  0x00007f8ce3d194bd in read () at /lib64/libc.so.6
#1  0x00007f8cdeb40f10 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f8cdeafc572 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f8cdeafca44 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f8cdeafcbbc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f8ce46401bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f8ce45e9b1a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007f8ce4417813 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f8ce750a305 in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007f8ce441c4c8 in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f8cd0686700 (LWP 4922)):
#0  0x00007f8ce3d1d7bd in poll () at /lib64/libc.so.6
#1  0x00007f8cdeafcaa6 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f8cdeafcbbc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f8ce46401bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f8ce45e9b1a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f8ce4417813 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f8ce750a305 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f8ce441c4c8 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f8cd3ba8700 (LWP 4839)):
#0  0x00007f8ce3d1d7bd in poll () at /lib64/libc.so.6
#1  0x00007f8ce8c683e0 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f8ce8c6a179 in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f8cd6543889 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f8ce441c4c8 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f8cd8b53700 (LWP 4827)):
#0  0x00007f8ce3d194bd in read () at /lib64/libc.so.6
#1  0x00007f8cdeb40f10 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f8cdeafc572 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f8cdeafca44 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f8cdeafcbbc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f8ce46401bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f8ce45e9b1a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007f8ce4417813 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f8ce4a52385 in  () at /usr/lib64/libQt5DBus.so.5
#9  0x00007f8ce441c4c8 in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007f8ce32cd537 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f8ce3d2704f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f8cea6538c0 (LWP 4799)):
[KCrash Handler]
#6  0x00007f8ce45b1f30 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f8ce45b2219 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f8ce45ba209 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f8ce4617739 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#10 0x00007f8ce468ed64 in QAbstractItemModel::rowsRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#11 0x00007f8ce459328b in QAbstractItemModel::endRemoveRows() () at /usr/lib64/libQt5Core.so.5
#12 0x00007f8c3d51eae8 in  () at /usr/lib64/libtaskmanager.so.6
#13 0x00007f8c3d521b79 in  () at /usr/lib64/libtaskmanager.so.6
#14 0x00007f8ce4617739 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#15 0x00007f8ce468ecf4 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#16 0x00007f8ce4592b33 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib64/libQt5Core.so.5
#17 0x00007f8ce45b7955 in  () at /usr/lib64/libQt5Core.so.5
#18 0x00007f8ce45b7b54 in  () at /usr/lib64/libQt5Core.so.5
#19 0x00007f8ce45ba1e8 in  () at /usr/lib64/libQt5Core.so.5
#20 0x00007f8ce4617739 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#21 0x00007f8ce468ecf4 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#22 0x00007f8ce4592b33 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib64/libQt5Core.so.5
#23 0x00007f8c3c937e35 in  () at /usr/lib64/libKF5ItemModels.so.5
#24 0x00007f8c3c9393d1 in  () at /usr/lib64/libKF5ItemModels.so.5
#25 0x00007f8ce4617739 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#26 0x00007f8ce468ecf4 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#27 0x00007f8ce4592b33 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib64/libQt5Core.so.5
#28 0x00007f8ce45ad130 in  () at /usr/lib64/libQt5Core.so.5
#29 0x00007f8ce4617739 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#30 0x00007f8ce468ecf4 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#31 0x00007f8ce4592b33 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib64/libQt5Core.so.5
#32 0x00007f8c3d538c78 in TaskManager::XWindowTasksModel::Private::removeWindow(unsigned long long) () at /usr/lib64/libtaskmanager.so.6
#33 0x00007f8ce4617aae in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#34 0x00007f8ce70291d2 in KWindowSystem::windowRemoved(unsigned long long) () at /usr/lib64/libKF5WindowSystem.so.5
#35 0x00007f8cd0aa7be6 in  () at /usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#36 0x00007f8ce7021522 in NETRootInfo::update(QFlags<NET::Property>, QFlags<NET::Property2>) () at /usr/lib64/libKF5WindowSystem.so.5
#37 0x00007f8ce702254c in NETRootInfo::event(xcb_generic_event_t*, QFlags<NET::Property>*, QFlags<NET::Property2>*) () at /usr/lib64/libKF5WindowSystem.so.5
#38 0x00007f8ce7022872 in NETRootInfo::event(xcb_generic_event_t*, unsigned long*, int) () at /usr/lib64/libKF5WindowSystem.so.5
#39 0x00007f8cd0aa7316 in  () at /usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#40 0x00007f8ce45e8c5f in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib64/libQt5Core.so.5
#41 0x00007f8cd6545054 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib64/libQt5XcbQpa.so.5
#42 0x00007f8cd6545d35 in QXcbConnection::processXcbEvents() () at /usr/lib64/libQt5XcbQpa.so.5
#43 0x00007f8ce46185e9 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#44 0x00007f8ce5566eac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#45 0x00007f8ce556e661 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#46 0x00007f8ce45ebb30 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#47 0x00007f8ce45ee2bd in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#48 0x00007f8ce463fd93 in  () at /usr/lib64/libQt5Core.so.5
#49 0x00007f8cdeafc8a7 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#50 0x00007f8cdeafcb10 in  () at /usr/lib64/libglib-2.0.so.0
#51 0x00007f8cdeafcbbc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#52 0x00007f8ce464019f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#53 0x00007f8ce45e9b1a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#54 0x00007f8ce45f228c in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#55 0x000000000041eab2 in  ()
#56 0x00007f8ce3c5a541 in __libc_start_main () at /lib64/libc.so.6
#57 0x000000000041ee3a in _start ()

Reported using DrKonqi