Application: plasmashell (5.9.5)

Qt Version: 5.8.0
Frameworks Version: 5.34.0
Operating System: Linux 4.10.13-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
i was closing vlc (6-7 opened) and kde crashed when closing..

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f994c294800 (LWP 788))]

Thread 16 (Thread 0x7f98615d0700 (LWP 8460)):
#0  0x00007f9944f05756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f994604b58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f988dd121d0 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f988dd169d8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f988dd16a32 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f988dd16a32 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f988dd16a32 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007f988dd16a32 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#13 0x00007f988dd16a32 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#14 0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#15 0x00007f988dd14249 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#16 0x00007f994604a6d8 in  () at /usr/lib/libQt5Core.so.5
#17 0x00007f9944eff2e7 in start_thread () at /usr/lib/libpthread.so.0
#18 0x00007f994595d54f in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f9861dd1700 (LWP 8459)):
#0  0x00007f9944f05756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f994604b58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f988dd121d0 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f988dd169d8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f988dd16a32 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f988dd14249 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f994604a6d8 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f9944eff2e7 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f994595d54f in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f98625d2700 (LWP 8458)):
#0  0x00007f9944f05756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f994604b58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f988dd121d0 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f988dd169d8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f988dd16a32 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f988dd16a32 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f988dd16a32 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007f988dd16a32 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#13 0x00007f988dd16a32 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#14 0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#15 0x00007f988dd14249 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#16 0x00007f994604a6d8 in  () at /usr/lib/libQt5Core.so.5
#17 0x00007f9944eff2e7 in start_thread () at /usr/lib/libpthread.so.0
#18 0x00007f994595d54f in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f9862dd3700 (LWP 8457)):
#0  0x00007f9944f05756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f994604b58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f988dd121d0 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f988dd169d8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f988dd16a32 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f988dd14249 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f994604a6d8 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f9944eff2e7 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f994595d54f in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f98635d4700 (LWP 8456)):
#0  0x00007f9944f05756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f994604b58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f988dd121d0 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f988dd169d8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f988dd14249 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f994604a6d8 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f9944eff2e7 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f994595d54f in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f9863dd5700 (LWP 8455)):
#0  0x00007f9944f05756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f994604b58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f988dd121d0 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f988dd169d8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f988dd16a32 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f988dd16a32 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f988dd16a32 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007f988dd14249 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007f994604a6d8 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007f9944eff2e7 in start_thread () at /usr/lib/libpthread.so.0
#14 0x00007f994595d54f in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f98699c3700 (LWP 8454)):
#0  0x00007f9944f05756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f994604b58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f988dd121d0 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f988dd169d8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f988dd16a32 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f988dd14249 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f994604a6d8 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f9944eff2e7 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f994595d54f in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f986a5f9700 (LWP 8453)):
#0  0x00007f9944f05756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f994604b58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f988dd121d0 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f988dd169d8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f988dd16a32 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f988dd16a32 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f988dd11263 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f988dd14249 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007f994604a6d8 in  () at /usr/lib/libQt5Core.so.5
#11 0x00007f9944eff2e7 in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007f994595d54f in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f987f826700 (LWP 1062)):
#0  0x00007f994595367d in poll () at /usr/lib/libc.so.6
#1  0x00007f994072a9b6 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f994072aacc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f994627a09b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f99462238ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f9946045a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f98821c90a7 in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#7  0x00007f994604a6d8 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f9944eff2e7 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f994595d54f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f9894f0c700 (LWP 1025)):
#0  0x00007f99407701c9 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f994072a3c4 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007f994072a954 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f994072aacc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f994627a09b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f99462238ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f9946045a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f9949d31fd6 in  () at /usr/lib/libQt5Quick.so.5
#8  0x00007f994604a6d8 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f9944eff2e7 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f994595d54f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f991e9f4700 (LWP 1022)):
#0  0x00007f9944f05756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f994ba25234 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f994ba25279 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f9944eff2e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f994595d54f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f992c953700 (LWP 1021)):
#0  0x00007f994595367d in poll () at /usr/lib/libc.so.6
#1  0x00007f994072a9b6 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f994072aacc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f994627a09b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f99462238ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f9946045a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f994917e025 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f994604a6d8 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f9944eff2e7 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f994595d54f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f992e9e1700 (LWP 1020)):
#0  0x00007f99407701c0 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f994072a99b in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f994072aacc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f994627a09b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f99462238ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f9946045a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f994917e025 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f994604a6d8 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f9944eff2e7 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f994595d54f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f992ffff700 (LWP 829)):
#0  0x00007f994595367d in poll () at /usr/lib/libc.so.6
#1  0x00007f994072a9b6 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f994072aacc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f994627a09b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f99462238ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f9946045a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f9946dca125 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f994604a6d8 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f9944eff2e7 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f994595d54f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f9936651700 (LWP 794)):
#0  0x00007f994595367d in poll () at /usr/lib/libc.so.6
#1  0x00007f994a94b8e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007f994a94d679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f9938bc3239 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f994604a6d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f9944eff2e7 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f994595d54f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f994c294800 (LWP 788)):
[KCrash Handler]
#6  0x00007f99461eb540 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f99461eb819 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f99461f33f9 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f9946250d79 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#10 0x00007f99462c84b4 in QAbstractItemModel::rowsRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/libQt5Core.so.5
#11 0x00007f99461ccd9b in QAbstractItemModel::endRemoveRows() () at /usr/lib/libQt5Core.so.5
#12 0x00007f988b9ba4ab in  () at /usr/lib/libtaskmanager.so.6
#13 0x00007f988b9bd6f9 in  () at /usr/lib/libtaskmanager.so.6
#14 0x00007f9946250d79 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#15 0x00007f99462c8444 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/libQt5Core.so.5
#16 0x00007f99461cc643 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/libQt5Core.so.5
#17 0x00007f99461f0b45 in  () at /usr/lib/libQt5Core.so.5
#18 0x00007f99461f0d44 in  () at /usr/lib/libQt5Core.so.5
#19 0x00007f99461f33d8 in  () at /usr/lib/libQt5Core.so.5
#20 0x00007f9946250d79 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#21 0x00007f99462c8444 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/libQt5Core.so.5
#22 0x00007f99461cc643 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/libQt5Core.so.5
#23 0x00007f988f5cd8e2 in  () at /usr/lib/libKF5ItemModels.so.5
#24 0x00007f9946250d79 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#25 0x00007f99462c8444 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/libQt5Core.so.5
#26 0x00007f99461cc643 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/libQt5Core.so.5
#27 0x00007f99461e69f0 in  () at /usr/lib/libQt5Core.so.5
#28 0x00007f9946250d79 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#29 0x00007f99462c8444 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/libQt5Core.so.5
#30 0x00007f99461cc643 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/libQt5Core.so.5
#31 0x00007f988b9d7101 in TaskManager::XWindowTasksModel::Private::removeWindow(unsigned long long) () at /usr/lib/libtaskmanager.so.6
#32 0x00007f99462510ee in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#33 0x00007f9948c90742 in KWindowSystem::windowRemoved(unsigned long long) () at /usr/lib/libKF5WindowSystem.so.5
#34 0x00007f99341beeb6 in  () at /usr/lib/qt/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#35 0x00007f9948c88d87 in NETRootInfo::update(QFlags<NET::Property>, QFlags<NET::Property2>) () at /usr/lib/libKF5WindowSystem.so.5
#36 0x00007f9948c8a40c in NETRootInfo::event(xcb_generic_event_t*, QFlags<NET::Property>*, QFlags<NET::Property2>*) () at /usr/lib/libKF5WindowSystem.so.5
#37 0x00007f9948c8a732 in NETRootInfo::event(xcb_generic_event_t*, unsigned long*, int) () at /usr/lib/libKF5WindowSystem.so.5
#38 0x00007f99341be416 in  () at /usr/lib/qt/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#39 0x00007f994622258f in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib/libQt5Core.so.5
#40 0x00007f9938bc4974 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib/libQt5XcbQpa.so.5
#41 0x00007f9938bc5655 in QXcbConnection::processXcbEvents() () at /usr/lib/libQt5XcbQpa.so.5
#42 0x00007f9946251bd9 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#43 0x00007f994719334c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#44 0x00007f994719ab61 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#45 0x00007f9946225470 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#46 0x00007f9946227bfd in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#47 0x00007f9946279c73 in  () at /usr/lib/libQt5Core.so.5
#48 0x00007f994072a7b7 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#49 0x00007f994072aa20 in  () at /usr/lib/libglib-2.0.so.0
#50 0x00007f994072aacc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#51 0x00007f994627a07f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#52 0x00007f99462238ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#53 0x00007f994622be14 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#54 0x000000000041ca42 in  ()
#55 0x00007f9945891511 in __libc_start_main () at /usr/lib/libc.so.6
#56 0x000000000041cdca in _start ()

Reported using DrKonqi