Application: plasmashell (5.5.3)

Qt Version: 5.5.1
Operating System: Linux 4.3.3-301.fc23.x86_64 x86_64
Distribution: "Fedora release 23 (Twenty Three)"

-- Information about the crash:
I was shutting own for the night and was closing the open applications.  I tried to close a Firefox browser and Plasma crashed.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2235e2f940 (LWP 12480))]

Thread 8 (Thread 0x7f2215f02700 (LWP 12484)):
#0  0x00007f222d816fdd in poll () at /lib64/libc.so.6
#1  0x00007f2233cce272 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f2233ccfee7 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f2217e8cda9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f222e41f3de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007f222cb5a60a in start_thread () at /lib64/libpthread.so.0
#6  0x00007f222d822a4d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f220f3ea700 (LWP 12503)):
#0  0x00007f222d816fdd in poll () at /lib64/libc.so.6
#1  0x00007f2228d3d16c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f2228d3d27c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f222e656ecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f222e5fdeca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f222e41a434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f2232765b45 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f222e41f3de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f222cb5a60a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f222d822a4d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f220656d700 (LWP 12504)):
#0  0x00007f222d816fdd in poll () at /lib64/libc.so.6
#1  0x00007f2228d3d16c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f2228d3d27c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f222e656ecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f222e5fdeca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f222e41a434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f2232765b45 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f222e41f3de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f222cb5a60a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f222d822a4d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f2204b08700 (LWP 12505)):
#0  0x00007f222d816fdd in poll () at /lib64/libc.so.6
#1  0x00007f2228d3d16c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f2228d3d27c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f222e656ecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f222e5fdeca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f222e41a434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f2232765b45 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f222e41f3de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f222cb5a60a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f222d822a4d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f21ff19a700 (LWP 12506)):
#0  0x00007f222cb5fb10 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f22355be514 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007f22355be559 in  () at /lib64/libQt5Script.so.5
#3  0x00007f222cb5a60a in start_thread () at /lib64/libpthread.so.0
#4  0x00007f222d822a4d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f2177636700 (LWP 12507)):
#0  0x00007f222d816fdd in poll () at /lib64/libc.so.6
#1  0x00007f2228d3d16c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f2228d3d27c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f222e656ecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f222e5fdeca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f222e41a434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f22333138d6 in QQuickPixmapReader::run() () at /lib64/libQt5Quick.so.5
#7  0x00007f222e41f3de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f222cb5a60a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f222d822a4d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f2165e3a700 (LWP 12520)):
#0  0x00007f222d816fdd in poll () at /lib64/libc.so.6
#1  0x00007f2228d3d16c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f2228d3d27c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f222e656ecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f222e5fdeca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f222e41a434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f2167a723c7 in KCupsConnection::run() () at /lib64/libkcupslib.so
#7  0x00007f222e41f3de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f222cb5a60a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f222d822a4d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f2235e2f940 (LWP 12480)):
[KCrash Handler]
#5  0x00007f22325310a8 in VDMModelDelegateDataType::notify(QQmlAdaptorModel const&, QList<QQmlDelegateModelItem*> const&, int, int, QVector<int> const&) const () at /lib64/libQt5Qml.so.5
#6  0x00007f22327a73aa in QQmlDelegateModel::_q_itemsChanged(int, int, QVector<int> const&) () at /lib64/libQt5Qml.so.5
#7  0x00007f22327cea0c in QQmlDelegateModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () at /lib64/libQt5Qml.so.5
#8  0x00007f22327cf1f8 in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () at /lib64/libQt5Qml.so.5
#9  0x00007f222e62f450 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#10 0x00007f222e6abaac in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () at /lib64/libQt5Core.so.5
#11 0x00007f216f4dd28f in TaskManager::TasksModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () at /lib64/libtaskmanager.so.5
#12 0x00007f222e62f29a in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#13 0x00007f216f4e68e8 in TaskManager::AbstractGroupableItem::changed(QFlags<TaskManager::TaskChange>) () at /lib64/libtaskmanager.so.5
#14 0x00007f216f4cf5b8 in TaskManager::TaskItem::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () at /lib64/libtaskmanager.so.5
#15 0x00007f222e62f29a in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#16 0x00007f216f4e6ad8 in TaskManager::Task::changed(QFlags<TaskManager::TaskChange>) () at /lib64/libtaskmanager.so.5
#17 0x00007f216f4b761b in TaskManager::Task::setActive(bool) () at /lib64/libtaskmanager.so.5
#18 0x00007f216f4d62d9 in TaskManager::TaskManager::activeWindowChanged(unsigned long long) () at /lib64/libtaskmanager.so.5
#19 0x00007f222e62f127 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#20 0x00007f2231efb042 in KWindowSystem::activeWindowChanged(unsigned long long) () at /lib64/libKF5WindowSystem.so.5
#21 0x00007f22140d9c73 in NETEventFilter::nativeEventFilter(xcb_generic_event_t*) () at /usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#22 0x00007f222e5fd05f in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /lib64/libQt5Core.so.5
#23 0x00007f2217e8e534 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /lib64/libQt5XcbQpa.so.5
#24 0x00007f2217e8f433 in QXcbConnection::processXcbEvents() () at /lib64/libQt5XcbQpa.so.5
#25 0x00007f222e630161 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#26 0x00007f222fbb441c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#27 0x00007f222fbb98e6 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#28 0x00007f222e60073b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#29 0x00007f222e602b36 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#30 0x00007f222e656aa3 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#31 0x00007f2228d3ce3a in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#32 0x00007f2228d3d1d0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#33 0x00007f2228d3d27c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#34 0x00007f222e656eaf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#35 0x00007f222e5fdeca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#36 0x00007f222e605fac in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#37 0x000055ffaa22108a in main ()

Possible duplicates by query: bug 358407, bug 357948, bug 357729, bug 357622, bug 357512.

Reported using DrKonqi