Application: plasmashell (5.8.3)

Qt Version: 5.6.1
Frameworks Version: 5.26.0
Operating System: Linux 4.4.36-8-default x86_64
Distribution: "openSUSE Leap 42.2"

-- Information about the crash:
- What I was doing when the application crashed:
closing some windows by right-clicking in their icons in icons-only task manager

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5f8e3e3900 (LWP 2480))]

Thread 9 (Thread 0x7f5ebbb73700 (LWP 2697)):
#0  0x00007f5f842207d4 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f5f841df223 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f5f841df42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f5f8842432b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f5f883d1fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f5f8820cf1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f5ebcf9b8f7 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#7  0x00007f5f882119e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f5f87320734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5f87b1fd3d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f5ed0475700 (LWP 2628)):
#0  0x00007f5f87b1749d in poll () at /lib64/libc.so.6
#1  0x00007f5f841df314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f5f841df42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f5f8842432b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f5f883d1fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f5f8820cf1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f5f8c09b632 in  () at /usr/lib64/libQt5Quick.so.5
#7  0x00007f5f882119e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f5f87320734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5f87b1fd3d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f5f62b69700 (LWP 2611)):
#0  0x00007f5f873250af in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f5f8dad493b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f5f8dad4969 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f5f87320734 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f5f87b1fd3d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f5f63fff700 (LWP 2599)):
#0  0x00007f5f842207d4 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f5f841de9e8 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f5f841df230 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f5f841df42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f5f8842432b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f5f883d1fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f5f8820cf1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f5f882119e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f5f87320734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5f87b1fd3d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f5f6e81a700 (LWP 2589)):
#0  0x00007f5f87b1749d in poll () at /lib64/libc.so.6
#1  0x00007f5f841df314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f5f841df42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f5f8842432b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f5f883d1fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f5f8820cf1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f5f8b5189c8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f5f882119e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f5f87320734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5f87b1fd3d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f5f6ffff700 (LWP 2557)):
#0  0x00007f5f87b1749d in poll () at /lib64/libc.so.6
#1  0x00007f5f841df314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f5f841df42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f5f8842432b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f5f883d1fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f5f8820cf1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f5f8b5189c8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f5f882119e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f5f87320734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5f87b1fd3d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f5f75ced700 (LWP 2504)):
#0  0x00007f5f87b1749d in poll () at /lib64/libc.so.6
#1  0x00007f5f841df314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f5f841df42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f5f8842432b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f5f883d1fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f5f8820cf1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f5f88f8d1d5 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007f5f882119e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f5f87320734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5f87b1fd3d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f5f778f3700 (LWP 2494)):
#0  0x00007f5f87b1749d in poll () at /lib64/libc.so.6
#1  0x00007f5f8ca4f3e2 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f5f8ca50fcf in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f5f79c49839 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f5f882119e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f5f87320734 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f5f87b1fd3d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f5f8e3e3900 (LWP 2480)):
[KCrash Handler]
#6  0x00007f5f8839f1b0 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f5f8839f48f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f5f883a6329 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f5f883fdbb1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#10 0x00007f5f88474274 in QAbstractItemModel::rowsRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#11 0x00007f5f88382b21 in QAbstractItemModel::endRemoveRows() () at /usr/lib64/libQt5Core.so.5
#12 0x00007f5ecd833fff in TaskManager::TaskGroupingProxyModel::Private::sourceRowsAboutToBeRemoved(QModelIndex const&, int, int) () at /usr/lib64/libtaskmanager.so.6
#13 0x00007f5ecd836b69 in  () at /usr/lib64/libtaskmanager.so.6
#14 0x00007f5f883fdbb1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#15 0x00007f5f88474224 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#16 0x00007f5f883822a4 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib64/libQt5Core.so.5
#17 0x00007f5f883a0e0d in  () at /usr/lib64/libQt5Core.so.5
#18 0x00007f5f883a0fbd in  () at /usr/lib64/libQt5Core.so.5
#19 0x00007f5f883a6308 in  () at /usr/lib64/libQt5Core.so.5
#20 0x00007f5f883fdbb1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#21 0x00007f5f88474224 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#22 0x00007f5f883822a4 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib64/libQt5Core.so.5
#23 0x00007f5ecd5cfed5 in  () at /usr/lib64/libKF5ItemModels.so.5
#24 0x00007f5ecd5d0bb9 in  () at /usr/lib64/libKF5ItemModels.so.5
#25 0x00007f5f883fdbb1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#26 0x00007f5f88474224 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#27 0x00007f5f883822a4 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib64/libQt5Core.so.5
#28 0x00007f5f8839a2af in  () at /usr/lib64/libQt5Core.so.5
#29 0x00007f5f883fdbb1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#30 0x00007f5f88474224 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#31 0x00007f5f883822a4 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib64/libQt5Core.so.5
#32 0x00007f5ecd84dcd3 in TaskManager::XWindowTasksModel::Private::removeWindow(unsigned long long) () at /usr/lib64/libtaskmanager.so.6
#33 0x00007f5f883fe1c3 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#34 0x00007f5f8b035302 in KWindowSystem::windowRemoved(unsigned long long) () at /usr/lib64/libKF5WindowSystem.so.5
#35 0x00007f5f746c7935 in  () at /usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#36 0x00007f5f8b02dca1 in NETRootInfo::update(QFlags<NET::Property>, QFlags<NET::Property2>) () at /usr/lib64/libKF5WindowSystem.so.5
#37 0x00007f5f8b02eb72 in NETRootInfo::event(xcb_generic_event_t*, QFlags<NET::Property>*, QFlags<NET::Property2>*) () at /usr/lib64/libKF5WindowSystem.so.5
#38 0x00007f5f8b02eda2 in NETRootInfo::event(xcb_generic_event_t*, unsigned long*, int) () at /usr/lib64/libKF5WindowSystem.so.5
#39 0x00007f5f746c7306 in  () at /usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#40 0x00007f5f883d1270 in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib64/libQt5Core.so.5
#41 0x00007f5f79c47be4 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib64/libQt5XcbQpa.so.5
#42 0x00007f5f79c49c3b in QXcbConnection::processXcbEvents() () at /usr/lib64/libQt5XcbQpa.so.5
#43 0x00007f5f883ff166 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#44 0x00007f5f8935be3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#45 0x00007f5f8936049a in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#46 0x00007f5f883d3fc5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#47 0x00007f5f883d5daa in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#48 0x00007f5f88424c83 in  () at /usr/lib64/libQt5Core.so.5
#49 0x00007f5f841df134 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#50 0x00007f5f841df388 in  () at /usr/lib64/libglib-2.0.so.0
#51 0x00007f5f841df42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#52 0x00007f5f8842430c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#53 0x00007f5f883d1fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#54 0x00007f5f883d9ec6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#55 0x000000000041eacf in  ()
#56 0x00007f5f87a566e5 in __libc_start_main () at /lib64/libc.so.6
#57 0x000000000041ed39 in _start ()

Reported using DrKonqi