Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6ca11e5d80 (LWP 546))]

Thread 10 (Thread 0x7f6bbcda2700 (LWP 1421)):
#0  0x00007f6c8f1f2eb2 in  () at /usr/lib/libpulse.so.0
#1  0x00007f6c8f1e46f1 in pa_mainloop_poll () at /usr/lib/libpulse.so.0
#2  0x00007f6c8f1e4d8e in pa_mainloop_iterate () at /usr/lib/libpulse.so.0
#3  0x00007f6c8f1e4e40 in pa_mainloop_run () at /usr/lib/libpulse.so.0
#4  0x00007f6c8f1f2e29 in  () at /usr/lib/libpulse.so.0
#5  0x00007f6c8eb82fe8 in  () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#6  0x00007f6c9a0f9297 in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f6c9a8451ef in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f6bbe3d1700 (LWP 1418)):
#0  0x00007f6c95643a84 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f6c955fe7a9 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6c955fec88 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6c955fed1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f6c9b1684eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f6c9b10defa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f6c9af2d79a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f6c9e09d1e5 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f6c9af3237d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f6c9a0f9297 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f6c9a8451ef in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f6be7783700 (LWP 833)):
#0  0x00007f6c9b1681b4 in  () at /usr/lib/libQt5Core.so.5
#1  0x00007f6c955fe611 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6c955febb0 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6c955fed1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f6c9b1684eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f6c9b10defa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f6c9af2d79a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f6bd06f1427 in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#8  0x00007f6c9af3237d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f6c9a0f9297 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f6c9a8451ef in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f6be5f82700 (LWP 700)):
#0  0x00007f6c95643a84 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f6c955feabd in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6c955fed1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6c9b1684eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f6c9b10defa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f6c9af2d79a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f6c9ec558d6 in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007f6c9af3237d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f6c9a0f9297 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f6c9a8451ef in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f6c76da5700 (LWP 669)):
#0  0x00007f6c9a0ff39d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6ca0970b04 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f6ca0970b49 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f6c9a0f9297 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6c9a8451ef in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f6c81161700 (LWP 665)):
#0  0x00007f6c9a836fbd in read () at /usr/lib/libc.so.6
#1  0x00007f6c95642730 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6c955fe6eb in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6c955febb0 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f6c955fed1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f6c9b1684eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f6c9b10defa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f6c9af2d79a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f6c9e09d1e5 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007f6c9af3237d in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f6c9a0f9297 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f6c9a8451ef in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f6c835ef700 (LWP 628)):
#0  0x00007f6c95643a84 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f6c955feabd in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6c955fed1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6c9b1684eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f6c9b10defa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f6c9af2d79a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f6c9e09d1e5 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f6c9af3237d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f6c9a0f9297 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f6c9a8451ef in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f6c8908c700 (LWP 583)):
#0  0x00007f6c9a83b24d in poll () at /usr/lib/libc.so.6
#1  0x00007f6c955fec09 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6c955fed1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6c9b1684eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f6c9b10defa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f6c9af2d79a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f6c9b588d45 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f6c9af3237d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f6c9a0f9297 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f6c9a8451ef in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f6c8b120700 (LWP 559)):
#0  0x00007f6c9a83b24d in poll () at /usr/lib/libc.so.6
#1  0x00007f6c9f87e8e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007f6c9f880679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f6c8d69ae99 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f6c9af3237d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6c9a0f9297 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6c9a8451ef in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f6ca11e5d80 (LWP 546)):
[KCrash Handler]
#5  0x00007f6c9b0d2849 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f6c9b0d2bac in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f6c9b0d9529 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f6c9b13e835 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#9  0x00007f6c9b0ab49e in QAbstractItemModel::rowsRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/libQt5Core.so.5
#10 0x00007f6c9b0b2a4b in QAbstractItemModel::endRemoveRows() () at /usr/lib/libQt5Core.so.5
#11 0x00007f6bdcd9fed8 in TaskManager::TaskGroupingProxyModel::Private::sourceRowsAboutToBeRemoved(QModelIndex const&, int, int) () at /usr/lib/libtaskmanager.so.6
#12 0x00007f6bdcda2269 in  () at /usr/lib/libtaskmanager.so.6
#13 0x00007f6c9b13e835 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#14 0x00007f6c9b0ab41e in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/libQt5Core.so.5
#15 0x00007f6c9b0b232b in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/libQt5Core.so.5
#16 0x00007f6c9b0d6d55 in  () at /usr/lib/libQt5Core.so.5
#17 0x00007f6c9b0d6ef3 in  () at /usr/lib/libQt5Core.so.5
#18 0x00007f6c9b0d9508 in  () at /usr/lib/libQt5Core.so.5
#19 0x00007f6c9b13e835 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#20 0x00007f6c9b0ab41e in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/libQt5Core.so.5
#21 0x00007f6c9b0b232b in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/libQt5Core.so.5
#22 0x00007f6be508957b in  () at /usr/lib/libKF5ItemModels.so.5
#23 0x00007f6c9b13e835 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#24 0x00007f6c9b0ab41e in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/libQt5Core.so.5
#25 0x00007f6c9b0b232b in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/libQt5Core.so.5
#26 0x00007f6c9b0ce721 in  () at /usr/lib/libQt5Core.so.5
#27 0x00007f6c9b13e835 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#28 0x00007f6c9b0ab41e in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/libQt5Core.so.5
#29 0x00007f6c9b0b232b in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/libQt5Core.so.5
#30 0x00007f6bdcdbb77a in TaskManager::XWindowTasksModel::Private::removeWindow(unsigned long long) () at /usr/lib/libtaskmanager.so.6
#31 0x00007f6c9b13e94f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#32 0x00007f6c9dbb2a92 in KWindowSystem::windowRemoved(unsigned long long) () at /usr/lib/libKF5WindowSystem.so.5
#33 0x00007f6c88474429 in  () at /usr/lib/qt/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#34 0x00007f6c9dbab498 in NETRootInfo::update(QFlags<NET::Property>, QFlags<NET::Property2>) () at /usr/lib/libKF5WindowSystem.so.5
#35 0x00007f6c9dbac802 in NETRootInfo::event(xcb_generic_event_t*, QFlags<NET::Property>*, QFlags<NET::Property2>*) () at /usr/lib/libKF5WindowSystem.so.5
#36 0x00007f6c9dbacb65 in NETRootInfo::event(xcb_generic_event_t*, unsigned long*, int) () at /usr/lib/libKF5WindowSystem.so.5
#37 0x00007f6c8847395d in  () at /usr/lib/qt/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#38 0x00007f6c9b10c94f in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib/libQt5Core.so.5
#39 0x00007f6c8d69c410 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib/libQt5XcbQpa.so.5
#40 0x00007f6c8d69d09c in QXcbConnection::processXcbEvents() () at /usr/lib/libQt5XcbQpa.so.5
#41 0x00007f6c9b13f242 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#42 0x00007f6c9c0c046c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#43 0x00007f6c9c0c7cf4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#44 0x00007f6c9b10fa28 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#45 0x00007f6c9b11219d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#46 0x00007f6c9b168ea3 in  () at /usr/lib/libQt5Core.so.5
#47 0x00007f6c955fea57 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#48 0x00007f6c955fec88 in  () at /usr/lib/libglib-2.0.so.0
#49 0x00007f6c955fed1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#50 0x00007f6c9b1684cf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#51 0x00007f6c9b10defa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#52 0x00007f6c9b116be4 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#53 0x000000000041cc32 in  ()
#54 0x00007f6c9a77843a in __libc_start_main () at /usr/lib/libc.so.6
#55 0x000000000041cfaa in _start ()