Bug 386443

Summary:	Plasma crashes when switching desktops
Product:	[Plasma] plasmashell	Reporter:	nestolea <nestolea>
Component:	general	Assignee:	David Edmundson <kde>
Status:	RESOLVED DUPLICATE
Severity:	crash	CC:	plasma-bugs
Priority:	NOR	Keywords:	drkonqi
Version:	5.8.7
Target Milestone:	1.0
Platform:	openSUSE
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:

Description nestolea 2017-11-01 22:47:43 UTC

Application: plasmashell (5.8.7)

Qt Version: 5.6.2
Frameworks Version: 5.32.0
Operating System: Linux 4.4.92-31-default x86_64
Distribution: "openSUSE Leap 42.3"

-- Information about the crash:
- What I was doing when the application crashed:
Switching from one desktop to another via keyboard

- Custom settings of the application:
Using hotkeys
<Ctrl>+<Alt>+<Super[=Win]> + <left/right/up/down arrow>
to move to the left/right/upper/lower desktop

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1961dad900 (LWP 2999))]

Thread 8 (Thread 0x7f188b5ee700 (LWP 5166)):
#0  0x00007f195b2a220d in poll () at /lib64/libc.so.6
#1  0x00007f1957953314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f195795342c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f195bbaf1ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f195bb5cbfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f195b997f5a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f195b99ca29 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f195aaab744 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f195b2aaaad in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f189be71700 (LWP 3473)):
#0  0x00007f195b2a220d in poll () at /lib64/libc.so.6
#1  0x00007f1957953314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f195795342c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f195bbaf1ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f195bb5cbfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f195b997f5a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f189d29a8f7 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#7  0x00007f195b99ca29 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f195aaab744 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f195b2aaaad in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f18a8172700 (LWP 3442)):
#0  0x00007f19579948b4 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f1957952950 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f1957953230 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f195795342c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f195bbaf1ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f195bb5cbfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f195b997f5a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f195f829822 in  () at /usr/lib64/libQt5Quick.so.5
#8  0x00007f195b99ca29 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f195aaab744 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f195b2aaaad in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f1937fff700 (LWP 3121)):
#0  0x00007f195aab00bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f196148e93b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f196148e969 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f195aaab744 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f195b2aaaad in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f193e184700 (LWP 3110)):
#0  0x00007f1957994890 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f1957952969 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f1957953230 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f195795342c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f195bbaf1ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f195bb5cbfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f195b997f5a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f195eca53d8 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007f195b99ca29 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f195aaab744 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f195b2aaaad in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f193f9d2700 (LWP 3078)):
#0  0x00007f195b2a220d in poll () at /lib64/libc.so.6
#1  0x00007f1957953314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f195795342c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f195bbaf1ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f195bb5cbfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f195b997f5a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f195eca53d8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f195b99ca29 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f195aaab744 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f195b2aaaad in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f194eefa700 (LWP 3013)):
#0  0x00007f195b29e28d in read () at /lib64/libc.so.6
#1  0x00007f1957993750 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f1957952e49 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f19579532a8 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f195795342c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f195bbaf1ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f195bb5cbfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007f195b997f5a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f195bfc3295 in  () at /usr/lib64/libQt5DBus.so.5
#9  0x00007f195b99ca29 in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007f195aaab744 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f195b2aaaad in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f1961dad900 (LWP 2999)):
[KCrash Handler]
#6  0x00007f195bb29dd0 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f195bb2a0af in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f195bb30f19 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f195bb887d1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#10 0x00007f195bbff334 in QAbstractItemModel::rowsRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#11 0x00007f195bb0d751 in QAbstractItemModel::endRemoveRows() () at /usr/lib64/libQt5Core.so.5
#12 0x00007f189fdc755f in TaskManager::TaskGroupingProxyModel::Private::sourceRowsAboutToBeRemoved(QModelIndex const&, int, int) () at /usr/lib64/libtaskmanager.so.6
#13 0x00007f189fdca119 in  () at /usr/lib64/libtaskmanager.so.6
#14 0x00007f195bb887d1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#15 0x00007f195bbff2e4 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#16 0x00007f195bb0ced4 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib64/libQt5Core.so.5
#17 0x00007f195bb2ba0d in  () at /usr/lib64/libQt5Core.so.5
#18 0x00007f195bb2f6bd in  () at /usr/lib64/libQt5Core.so.5
#19 0x00007f195bb30111 in QSortFilterProxyModel::invalidateFilter() () at /usr/lib64/libQt5Core.so.5
#20 0x00007f189fdc3ac5 in TaskManager::TaskFilterProxyModel::setVirtualDesktop(unsigned int) () at /usr/lib64/libtaskmanager.so.6
#21 0x00007f189fdeb28c in  () at /usr/lib64/libtaskmanager.so.6
#22 0x00007f189fdec21b in TaskManager::TasksModel::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib64/libtaskmanager.so.6
#23 0x00007f195ec13a9c in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at /usr/lib64/libQt5Qml.so.5
#24 0x00007f195ec9155b in QQmlBinding::write(QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#25 0x00007f195ec92fca in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#26 0x00007f195ec9311e in QQmlBinding::expressionChanged() () at /usr/lib64/libQt5Qml.so.5
#27 0x00007f195ec69dc7 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib64/libQt5Qml.so.5
#28 0x00007f195ec17ec4 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib64/libQt5Qml.so.5
#29 0x00007f195bb88573 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#30 0x00007f195bb88de3 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#31 0x00007f195e7c3e1e in KWindowSystem::currentDesktopChanged(int) () at /usr/lib64/libKF5WindowSystem.so.5
#32 0x00007f193fdf3c30 in  () at /usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#33 0x00007f195bb5be90 in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib64/libQt5Core.so.5
#34 0x00007f194cba2434 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib64/libQt5XcbQpa.so.5
#35 0x00007f194cba44db in QXcbConnection::processXcbEvents() () at /usr/lib64/libQt5XcbQpa.so.5
#36 0x00007f195bb89e26 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#37 0x00007f195cae128c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#38 0x00007f195cae58ea in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#39 0x00007f195bb5ebe5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#40 0x00007f195bb609ca in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#41 0x00007f195bbafb03 in  () at /usr/lib64/libQt5Core.so.5
#42 0x00007f1957953134 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#43 0x00007f1957953388 in  () at /usr/lib64/libglib-2.0.so.0
#44 0x00007f195795342c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#45 0x00007f195bbaf18c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#46 0x00007f195bb5cbfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#47 0x00007f195bb64ae6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#48 0x000000000041f0ff in  ()
#49 0x00007f195b1e16e5 in __libc_start_main () at /lib64/libc.so.6
#50 0x000000000041f369 in _start ()

Reported using DrKonqi

Comment 1 David Edmundson 2017-11-01 23:16:40 UTC


*** This bug has been marked as a duplicate of bug 381317 ***