Bug 373955

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:
I just changed to a different desktop (I have 10 virtual desktops)

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f598d9a7900 (LWP 27148))]

Thread 11 (Thread 0x7f58afe81700 (LWP 9940)):
#0  0x00007f59870e449d in poll () at /lib64/libc.so.6
#1  0x00007f597cd780a1 in  () at /usr/lib64/libpulse.so.0
#2  0x00007f597cd6976c in pa_mainloop_poll () at /usr/lib64/libpulse.so.0
#3  0x00007f597cd69dde in pa_mainloop_iterate () at /usr/lib64/libpulse.so.0
#4  0x00007f597cd69e90 in pa_mainloop_run () at /usr/lib64/libpulse.so.0
#5  0x00007f597cd78006 in  () at /usr/lib64/libpulse.so.0
#6  0x00007f597c70f408 in  () at /usr/lib64/pulseaudio/libpulsecommon-9.0.so
#7  0x00007f59868ed734 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f59870ecd3d in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f58b07b2700 (LWP 9939)):
#0  0x00007f59870e449d in poll () at /lib64/libc.so.6
#1  0x00007f59837ac314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f59837ac42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f59879f032b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f58a8186970, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007f598799dfdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f58b07b1cb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f59877d8f1a in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007f598aae49b8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f59877dd9e9 in QThreadPrivate::start(void*) (arg=0x2864cd0) at thread/qthread_unix.cpp:341
#8  0x00007f59868ed734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f59870ecd3d in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f58bd216700 (LWP 27575)):
#0  0x00007f59870e449d in poll () at /lib64/libc.so.6
#1  0x00007f59837ac314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f59837ac42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f59879f032b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f58b80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007f598799dfdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f58bd215c90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f59877d8f1a in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007f58be63e8f7 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#7  0x00007f59877dd9e9 in QThreadPrivate::start(void*) (arg=0x5d950d0) at thread/qthread_unix.cpp:341
#8  0x00007f59868ed734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f59870ecd3d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f58cfbd9700 (LWP 27327)):
#0  0x00007f59837a96e0 in  () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f59837abcef in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f59837ac2a8 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f59837ac42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f59879f032b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f58c80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5  0x00007f598799dfdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f58cfbd8c70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f59877d8f1a in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:500
#7  0x00007f598b667632 in  () at /usr/lib64/libQt5Quick.so.5
#8  0x00007f59877dd9e9 in QThreadPrivate::start(void*) (arg=0x2bad5b0) at thread/qthread_unix.cpp:341
#9  0x00007f59868ed734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f59870ecd3d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f595da8d700 (LWP 27256)):
#0  0x00007f59868f20af in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f598d0a093b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f598d0a0969 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f59868ed734 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f59870ecd3d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f595f78c700 (LWP 27219)):
#0  0x00007f59870e449d in poll () at /lib64/libc.so.6
#1  0x00007f59837ac314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f59837ac42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f59879f032b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f59540008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007f598799dfdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f595f78bcd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f59877d8f1a in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007f59877dd9e9 in QThreadPrivate::start(void*) (arg=0x25bd3f0) at thread/qthread_unix.cpp:341
#7  0x00007f59868ed734 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f59870ecd3d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f59653c4700 (LWP 27217)):
#0  0x00007f59879f0812 in timerSourceCheck(GSource*) (source=0x7f5958002e70) at kernel/qeventdispatcher_glib.cpp:166
#1  0x00007f59837abda1 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f59837ac2a8 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f59837ac42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f59879f032b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f59580008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5  0x00007f598799dfdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f59653c3cb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f59877d8f1a in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:500
#7  0x00007f598aae49b8 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007f59877dd9e9 in QThreadPrivate::start(void*) (arg=0x23fbae0) at thread/qthread_unix.cpp:341
#9  0x00007f59868ed734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f59870ecd3d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f5966fc2700 (LWP 27183)):
#0  0x00007f59837ed7b9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f59837ac205 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f59837ac42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f59879f032b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f59600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007f598799dfdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f5966fc1cb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f59877d8f1a in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007f598aae49b8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f59877dd9e9 in QThreadPrivate::start(void*) (arg=0x22c4d70) at thread/qthread_unix.cpp:341
#8  0x00007f59868ed734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f59870ecd3d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f596cb12700 (LWP 27173)):
#0  0x00007f59837ed7b9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f59837abef6 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f59837ac388 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f59837ac42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f59879f032b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f59680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5  0x00007f598799dfdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f596cb11ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f59877d8f1a in QThread::exec() (this=this@entry=0x7f59887c1ce0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:500
#7  0x00007f59885591d5 in QDBusConnectionManager::run() (this=0x7f59887c1ce0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:189
#8  0x00007f59877dd9e9 in QThreadPrivate::start(void*) (arg=0x7f59887c1ce0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:341
#9  0x00007f59868ed734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f59870ecd3d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f5976f02700 (LWP 27161)):
#0  0x00007f59870e449d in poll () at /lib64/libc.so.6
#1  0x00007f598c01b3e2 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f598c01cfcf in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f5979258839 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f59877dd9e9 in QThreadPrivate::start(void*) (arg=0x21dd450) at thread/qthread_unix.cpp:341
#5  0x00007f59868ed734 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f59870ecd3d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f598d9a7900 (LWP 27148)):
[KCrash Handler]
#6  0x00007f598796b1b0 in QSortFilterProxyModelPrivate::updateChildrenMapping(QModelIndex const&, QSortFilterProxyModelPrivate::Mapping*, Qt::Orientation, int, int, int, bool) (this=this@entry=0x52d7900, source_parent=..., parent_mapping=parent_mapping@entry=0x77f2be0, start=start@entry=0, end=end@entry=0, delta_item_count=delta_item_count@entry=1, remove=remove@entry=true, orient=Qt::Vertical) at itemmodels/qsortfilterproxymodel.cpp:969
#7  0x00007f598796b48f in QSortFilterProxyModelPrivate::_q_sourceRowsRemoved(QModelIndex const&, int, int) (orient=Qt::Vertical, end=<optimized out>, start=0, source_parent=..., this=0x52d7900) at itemmodels/qsortfilterproxymodel.cpp:911
#8  0x00007f598796b48f in QSortFilterProxyModelPrivate::_q_sourceRowsRemoved(QModelIndex const&, int, int) (this=0x52d7900, source_parent=..., start=0, end=<optimized out>) at itemmodels/qsortfilterproxymodel.cpp:1416
#9  0x00007f5987972329 in QSortFilterProxyModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qsortfilterproxymodel.cpp:211
#10 0x00007f59879c9bb1 in QMetaObject::activate(QObject*, int, int, void**) (sender=sender@entry=0x52da750, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=12, argv=argv@entry=0x7ffc5da75850) at kernel/qobject.cpp:3730
#11 0x00007f59879ca717 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x52da750, m=m@entry=0x7f5987de5ca0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=12, argv=argv@entry=0x7ffc5da75850) at kernel/qobject.cpp:3595
#12 0x00007f5987a40274 in QAbstractItemModel::rowsRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) (this=this@entry=0x52da750, _t1=..., _t2=0, _t3=0) at .moc/moc_qabstractitemmodel.cpp:615
#13 0x00007f598794eb21 in QAbstractItemModel::endRemoveRows() (this=0x52da750) at itemmodels/qabstractitemmodel.cpp:2678
#14 0x00007f58cd1effff in TaskManager::TaskGroupingProxyModel::Private::sourceRowsAboutToBeRemoved(QModelIndex const&, int, int) () at /usr/lib64/libtaskmanager.so.6
#15 0x00007f58cd1f2b69 in  () at /usr/lib64/libtaskmanager.so.6
#16 0x00007f59879c9bb1 in QMetaObject::activate(QObject*, int, int, void**) (sender=sender@entry=0x52d88c0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7ffc5da75b80) at kernel/qobject.cpp:3730
#17 0x00007f59879ca717 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x52d88c0, m=m@entry=0x7f5987de5ca0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7ffc5da75b80) at kernel/qobject.cpp:3595
#18 0x00007f5987a40224 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) (this=this@entry=0x52d88c0, _t1=..., _t2=_t2@entry=0, _t3=_t3@entry=8) at .moc/moc_qabstractitemmodel.cpp:608
#19 0x00007f598794e2a4 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) (this=0x52d88c0, parent=..., first=0, last=8) at itemmodels/qabstractitemmodel.cpp:2661
#20 0x00007f598796ce0d in QSortFilterProxyModelPrivate::remove_source_items(QVector<int>&, QVector<int>&, QVector<int> const&, QModelIndex const&, Qt::Orientation, bool) (emit_signal=true, orient=Qt::Vertical, proxy_parent=..., proxy_end=8, proxy_start=0, proxy_to_source=..., source_to_proxy=..., this=0x52d9930) at itemmodels/qsortfilterproxymodel.cpp:577
#21 0x00007f598796ce0d in QSortFilterProxyModelPrivate::remove_source_items(QVector<int>&, QVector<int>&, QVector<int> const&, QModelIndex const&, Qt::Orientation, bool) (this=this@entry=0x52d9930, source_to_proxy=..., proxy_to_source=..., source_items=..., source_parent=..., orient=orient@entry=Qt::Vertical, emit_signal=emit_signal@entry=true) at itemmodels/qsortfilterproxymodel.cpp:559
#22 0x00007f5987970acd in QSortFilterProxyModelPrivate::filter_changed(QModelIndex const&) (orient=Qt::Vertical, source_parent=..., proxy_to_source=..., source_to_proxy=..., this=0x52d9930) at itemmodels/qsortfilterproxymodel.cpp:1143
#23 0x00007f5987970acd in QSortFilterProxyModelPrivate::filter_changed(QModelIndex const&) (this=0x52d9930, source_parent=...) at itemmodels/qsortfilterproxymodel.cpp:1075
#24 0x00007f5987971521 in QSortFilterProxyModel::invalidateFilter() (this=<optimized out>) at itemmodels/qsortfilterproxymodel.cpp:2604
#25 0x00007f58cd1ec565 in TaskManager::TaskFilterProxyModel::setVirtualDesktop(unsigned int) () at /usr/lib64/libtaskmanager.so.6
#26 0x00007f58cd2136dc in  () at /usr/lib64/libtaskmanager.so.6
#27 0x00007f58cd21460b in TaskManager::TasksModel::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib64/libtaskmanager.so.6
#28 0x00007f598aa52e6c in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at /usr/lib64/libQt5Qml.so.5
#29 0x00007f598aad07db in QQmlBinding::write(QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#30 0x00007f598aad224a in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#31 0x00007f598aad239e in QQmlBinding::expressionChanged() () at /usr/lib64/libQt5Qml.so.5
#32 0x00007f598aaa9107 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib64/libQt5Qml.so.5
#33 0x00007f598aa57294 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib64/libQt5Qml.so.5
#34 0x00007f59879c9953 in QMetaObject::activate(QObject*, int, int, void**) (sender=0x52dd6b0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3616
#35 0x00007f59879ca1c3 in QMetaObject::activate(QObject*, int, int, void**) (a=0x7ffc5da77d20, r=0x52dd6b0, this=0x52dcb30) at ../../src/corelib/kernel/qobject_impl.h:124
#36 0x00007f59879ca1c3 in QMetaObject::activate(QObject*, int, int, void**) (sender=0x7f598a80fc00, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffc5da77d20) at kernel/qobject.cpp:3715
#37 0x00007f598a60127e in KWindowSystem::currentDesktopChanged(int) () at /usr/lib64/libKF5WindowSystem.so.5
#38 0x00007f59673e33e0 in  () at /usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#39 0x00007f598799d270 in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) (this=<optimized out>, eventType=..., message=0x7f597003aab0, result=0x7ffc5da77e58) at kernel/qabstracteventdispatcher.cpp:460
#40 0x00007f5979256be4 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib64/libQt5XcbQpa.so.5
#41 0x00007f5979258c3b in QXcbConnection::processXcbEvents() () at /usr/lib64/libQt5XcbQpa.so.5
#42 0x00007f59879cb166 in QObject::event(QEvent*) (this=0x21d1a80, e=<optimized out>) at kernel/qobject.cpp:1256
#43 0x00007f5988927e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#44 0x00007f598892c49a in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#45 0x00007f598799ffc5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x21d1a80, event=event@entry=0x7f597003e1b0) at kernel/qcoreapplication.cpp:1015
#46 0x00007f59879a1daa in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (event=0x7f597003e1b0, receiver=<optimized out>) at kernel/qcoreapplication.h:225
#47 0x00007f59879a1daa in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x21bb080) at kernel/qcoreapplication.cpp:1650
#48 0x00007f59879a2358 in QCoreApplication::sendPostedEvents(QObject*, int) (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1508
#49 0x00007f59879f0c83 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x21f39e0) at kernel/qeventdispatcher_glib.cpp:270
#50 0x00007f59837ac134 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#51 0x00007f59837ac388 in  () at /usr/lib64/libglib-2.0.so.0
#52 0x00007f59837ac42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#53 0x00007f59879f030c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x221a520, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#54 0x00007f598799dfdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffc5da784e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#55 0x00007f59879a5ec6 in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1285
#56 0x000000000041eacf in  ()
#57 0x00007f59870236e5 in __libc_start_main () at /lib64/libc.so.6
#58 0x000000000041ed39 in _start ()

Possible duplicates by query: bug 373265, bug 373214, bug 372827, bug 371544, bug 367701.

Reported using DrKonqi