Application: plasmashell (5.7.1)

Qt Version: 5.6.1
Frameworks Version: 5.24.0
Operating System: Linux 4.6.4-3-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
- Unusual behavior I noticed:
Sometimes plasmashell crashes, while removing music-tracks from AMAROK

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 0x7f3e7b0307c0 (LWP 2072))]

Thread 8 (Thread 0x7f3e64a63700 (LWP 2074)):
#0  0x00007f3e74764bfd in poll () at /lib64/libc.so.6
#1  0x00007f3e796ab422 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f3e796ad00f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f3e66db87b9 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f3e74e63a29 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f3e73f6e0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f3e7476d02d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f3e62e5c700 (LWP 2075)):
#0  0x00007f3e70e86859 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f3e70e45336 in g_main_context_iterate.isra () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f3e70e4549c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f3e7507634b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f3e75023fcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f3e74e5ef5a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f3e75bdf225 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007f3e74e63a29 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f3e73f6e0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f3e7476d02d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f3e6161e700 (LWP 2221)):
#0  0x00007f3e70e44d15 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f3e70e45318 in g_main_context_iterate.isra () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f3e70e4549c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f3e7507634b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f3e75023fcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f3e74e5ef5a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f3e7816ab88 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f3e74e63a29 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f3e73f6e0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f3e7476d02d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f3e53821700 (LWP 2222)):
#0  0x00007f3e74f0e839 in QElapsedTimer::isMonotonic() () at /usr/lib64/libQt5Core.so.5
#1  0x00007f3e75074d1e in QTimerInfoList::repairTimersIfNeeded() () at /usr/lib64/libQt5Core.so.5
#2  0x00007f3e75074f33 in QTimerInfoList::timerWait(timespec&) () at /usr/lib64/libQt5Core.so.5
#3  0x00007f3e7507611e in  () at /usr/lib64/libQt5Core.so.5
#4  0x00007f3e70e449cd in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f3e70e452a0 in g_main_context_iterate.isra () at /usr/lib64/libglib-2.0.so.0
#6  0x00007f3e70e4549c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#7  0x00007f3e7507634b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#8  0x00007f3e75023fcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#9  0x00007f3e74e5ef5a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#10 0x00007f3e7816ab88 in  () at /usr/lib64/libQt5Qml.so.5
#11 0x00007f3e74e63a29 in  () at /usr/lib64/libQt5Core.so.5
#12 0x00007f3e73f6e0a4 in start_thread () at /lib64/libpthread.so.0
#13 0x00007f3e7476d02d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f3e51bbd700 (LWP 2314)):
#0  0x00007f3e73f7203f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3e7a72497b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f3e7a7249a9 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f3e73f6e0a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f3e7476d02d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f3dc077b700 (LWP 2332)):
#0  0x00007f3e74764bfd in poll () at /lib64/libc.so.6
#1  0x00007f3e70e45384 in g_main_context_iterate.isra () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f3e70e4549c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f3e7507634b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f3e75023fcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f3e74e5ef5a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f3e78ced692 in  () at /usr/lib64/libQt5Quick.so.5
#7  0x00007f3e74e63a29 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f3e73f6e0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f3e7476d02d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f3db476c700 (LWP 2353)):
#0  0x00007f3e74764bfd in poll () at /lib64/libc.so.6
#1  0x00007f3e70e45384 in g_main_context_iterate.isra () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f3e70e4549c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f3e7507634b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f3e75023fcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f3e74e5ef5a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f3db5db9cf7 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#7  0x00007f3e74e63a29 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f3e73f6e0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f3e7476d02d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f3e7b0307c0 (LWP 2072)):
[KCrash Handler]
#6  0x00007f3e77f45c69 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f3e78189659 in QQmlDelegateModel::_q_itemsChanged(int, int, QVector<int> const&) () at /usr/lib64/libQt5Qml.so.5
#8  0x00007f3e781b0f1c in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007f3e781b176b in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib64/libQt5Qml.so.5
#10 0x00007f3e75050129 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#11 0x00007f3e750c606c in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () at /usr/lib64/libQt5Core.so.5
#12 0x00007f3dbdaebcc4 in  () at /usr/lib64/liblegacytaskmanager.so.5
#13 0x00007f3dbdaec557 in  () at /usr/lib64/liblegacytaskmanager.so.5
#14 0x00007f3e7504fba1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#15 0x00007f3dbdaf5768 in LegacyTaskManager::AbstractGroupableItem::changed(QFlags<LegacyTaskManager::TaskChange>) () at /usr/lib64/liblegacytaskmanager.so.5
#16 0x00007f3e7504fba1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#17 0x00007f3dbdaf5898 in LegacyTaskManager::Task::changed(QFlags<LegacyTaskManager::TaskChange>) () at /usr/lib64/liblegacytaskmanager.so.5
#18 0x00007f3dbdad4906 in LegacyTaskManager::Task::setActive(bool) () at /usr/lib64/liblegacytaskmanager.so.5
#19 0x00007f3dbdae71b9 in LegacyTaskManager::LegacyTaskManager::activeWindowChanged(unsigned long long) () at /usr/lib64/liblegacytaskmanager.so.5
#20 0x00007f3e750501b3 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#21 0x00007f3e77c871e2 in KWindowSystem::activeWindowChanged(unsigned long long) () at /usr/lib64/libKF5WindowSystem.so.5
#22 0x00007f3e618364dd in  () at /usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#23 0x00007f3e75023260 in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib64/libQt5Core.so.5
#24 0x00007f3e66db6b64 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib64/libQt5XcbQpa.so.5
#25 0x00007f3e66db8bbb in QXcbConnection::processXcbEvents() () at /usr/lib64/libQt5XcbQpa.so.5
#26 0x00007f3e75051156 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#27 0x00007f3e75fade9c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#28 0x00007f3e75fb24fa in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#29 0x00007f3e75025fb5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#30 0x00007f3e75027d9a in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#31 0x00007f3e75076ca3 in  () at /usr/lib64/libQt5Core.so.5
#32 0x00007f3e70e451a4 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#33 0x00007f3e70e453f8 in g_main_context_iterate.isra () at /usr/lib64/libglib-2.0.so.0
#34 0x00007f3e70e4549c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#35 0x00007f3e7507632c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#36 0x00007f3e75023fcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#37 0x00007f3e7502beb6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#38 0x000000000041d2ea in main(int, char**) (argc=2, argv=<optimized out>) at /usr/src/debug/plasma-workspace-5.7.1/shell/main.cpp:166

Reported using DrKonqi