Application: plasmashell (5.4.2)

Qt Version: 5.5.1
Operating System: Linux 4.2.5-2.g0491388-default x86_64
Distribution: "openSUSE Tumbleweed (20151030) (x86_64)"

-- Information about the crash:
This is a duplicate of 346740, but unfortunately pressing the "suggest this bug is related" button in DrKonqi does nothing.

- What I was doing when the application crashed:

I was browsing the hidden icons section in the task bar's systray.
A full backtrace is provided.

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 0x7f7c9cdbd8c0 (LWP 1360))]

Thread 8 (Thread 0x7f7c862da700 (LWP 1366)):
#0  0x00007f7c9638f1dd in poll () from /lib64/libc.so.6
#1  0x00007f7c9b22f432 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007f7c9b231007 in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f7c88429e29 in ?? () from /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f7c96a8092f in QThreadPrivate::start (arg=0x1b381a0) at thread/qthread_unix.cpp:331
#5  0x00007f7c95b964a4 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f7c96397b6d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f7c7f5ef700 (LWP 1400)):
#0  0x00007f7c963a4741 in clock_gettime () from /lib64/libc.so.6
#1  0x00007f7c96b2c186 in qt_clock_gettime (ts=0x7f7c7f5eeaa0, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#2  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:156
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:165
#4  0x00007f7c96ca30e9 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f7c78002ed0) at kernel/qtimerinfo_unix.cpp:84
#5  0x00007f7c96ca35f5 in QTimerInfoList::timerWait (this=0x7f7c78002ed0, tm=...) at kernel/qtimerinfo_unix.cpp:381
#6  0x00007f7c96ca498e in timerSourcePrepareHelper (timeout=0x7f7c7f5eeb54, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#7  timerSourcePrepare (source=<optimized out>, timeout=0x7f7c7f5eeb54) at kernel/qeventdispatcher_glib.cpp:160
#8  0x00007f7c92a9588d in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#9  0x00007f7c92a96193 in ?? () from /usr/lib64/libglib-2.0.so.0
#10 0x00007f7c92a9636c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#11 0x00007f7c96ca552b in QEventDispatcherGlib::processEvents (this=0x7f7c780008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#12 0x00007f7c96c4f63a in QEventLoop::exec (this=this@entry=0x7f7c7f5eecf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#13 0x00007f7c96a7bafc in QThread::exec (this=this@entry=0x1c0fb70) at thread/qthread.cpp:503
#14 0x00007f7c99d109c5 in QQmlThreadPrivate::run (this=0x1c0fb70) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/ftw/qqmlthread.cpp:141
#15 0x00007f7c96a8092f in QThreadPrivate::start (arg=0x1c0fb70) at thread/qthread_unix.cpp:331
#16 0x00007f7c95b964a4 in start_thread () from /lib64/libpthread.so.0
#17 0x00007f7c96397b6d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f7c7257f700 (LWP 1407)):
#0  0x00007f7c9638f1dd in poll () from /lib64/libc.so.6
#1  0x00007f7c92a96264 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f7c92a9636c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f7c96ca552b in QEventDispatcherGlib::processEvents (this=0x7f7c6c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f7c96c4f63a in QEventLoop::exec (this=this@entry=0x7f7c7257ecf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f7c96a7bafc in QThread::exec (this=this@entry=0x1d67790) at thread/qthread.cpp:503
#6  0x00007f7c99d109c5 in QQmlThreadPrivate::run (this=0x1d67790) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007f7c96a8092f in QThreadPrivate::start (arg=0x1d67790) at thread/qthread_unix.cpp:331
#8  0x00007f7c95b964a4 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f7c96397b6d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f7c70af4700 (LWP 1411)):
#0  0x00007f7c9638b1bd in read () from /lib64/libc.so.6
#1  0x00007f7c92ad8210 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f7c92a95d94 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f7c92a96208 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f7c92a9636c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f7c96ca552b in QEventDispatcherGlib::processEvents (this=0x7f7c640008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007f7c96c4f63a in QEventLoop::exec (this=this@entry=0x7f7c70af3cf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f7c96a7bafc in QThread::exec (this=this@entry=0x1d58670) at thread/qthread.cpp:503
#8  0x00007f7c99d109c5 in QQmlThreadPrivate::run (this=0x1d58670) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/ftw/qqmlthread.cpp:141
#9  0x00007f7c96a8092f in QThreadPrivate::start (arg=0x1d58670) at thread/qthread_unix.cpp:331
#10 0x00007f7c95b964a4 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f7c96397b6d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f7c6afbd700 (LWP 1413)):
#0  0x00007f7c95b9c07f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f7c9c49cb24 in ?? () from /usr/lib64/libQt5Script.so.5
#2  0x00007f7c9c49cb69 in ?? () from /usr/lib64/libQt5Script.so.5
#3  0x00007f7c95b964a4 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f7c96397b6d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f7be3fff700 (LWP 1414)):
#0  timerSourcePrepare (source=<optimized out>, timeout=0x7f7be3ffeb14) at kernel/qeventdispatcher_glib.cpp:148
#1  0x00007f7c92a9588d in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f7c92a96193 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f7c92a9636c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f7c96ca552b in QEventDispatcherGlib::processEvents (this=0x7f7bdc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f7c96c4f63a in QEventLoop::exec (this=this@entry=0x7f7be3ffecb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7c96a7bafc in QThread::exec (this=this@entry=0x20f3ef0) at thread/qthread.cpp:503
#7  0x00007f7c9a88ce42 in QQuickPixmapReader::run (this=0x20f3ef0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/util/qquickpixmapcache.cpp:760
#8  0x00007f7c96a8092f in QThreadPrivate::start (arg=0x20f3ef0) at thread/qthread_unix.cpp:331
#9  0x00007f7c95b964a4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f7c96397b6d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f7bd2e57700 (LWP 1418)):
#0  0x00007f7c92ad94d7 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f7c92a9533e in g_main_context_acquire () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f7c92a96135 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f7c92a9636c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f7c96ca552b in QEventDispatcherGlib::processEvents (this=0x7f7bcc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f7c96c4f63a in QEventLoop::exec (this=this@entry=0x7f7bd2e56cd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7c96a7bafc in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f7bd5368ed7 in KCupsConnection::run() () from /usr/lib64/libkcupslib.so
#8  0x00007f7c96a8092f in QThreadPrivate::start (arg=0x401d130) at thread/qthread_unix.cpp:331
#9  0x00007f7c95b964a4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f7c96397b6d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f7c9cdbd8c0 (LWP 1360)):
[KCrash Handler]
#6  0x00007f7c99c9ad84 in QQmlContext::isValid (this=0x4985d10) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlcontext.cpp:223
#7  0x00007f7c99c8c509 in QQmlExpression::QQmlExpression (this=<optimized out>, script=..., ctxt=0x0, scope=0x0, parent=0x0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlexpression.cpp:142
#8  0x00007f7c9a86b514 in QQuickScriptActionPrivate::execute (this=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/util/qquickanimation.cpp:990
#9  0x00007f7c99d44e8d in QAbstractAnimationJob::setState (this=0x4944f20, newState=QAbstractAnimationJob::Running) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/animations/qabstractanimationjob.cpp:360
#10 0x00007f7c99d465da in QSequentialAnimationGroupJob::activateCurrentAnimation (this=0x4a7a780, intermediate=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/animations/qsequentialanimationgroupjob.cpp:310
#11 0x00007f7c99d466cc in QSequentialAnimationGroupJob::uncontrolledAnimationFinished (this=0x4a7a780, animation=0x42e04e0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/animations/qsequentialanimationgroupjob.cpp:326
#12 0x00007f7c99d444bc in QAbstractAnimationJob::finished (this=this@entry=0x42e04e0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/animations/qabstractanimationjob.cpp:594
#13 0x00007f7c99d44f98 in QAbstractAnimationJob::setState (this=0x42e04e0, newState=newState@entry=QAbstractAnimationJob::Stopped) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/animations/qabstractanimationjob.cpp:393
#14 0x00007f7c99d44fd7 in QAbstractAnimationJob::stop (this=this@entry=0x42e04e0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/animations/qabstractanimationjob.cpp:530
#15 0x00007f7c9a8abbd9 in QQuickAnimatorProxyJob::setWindow (this=0x42e04d0, window=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/util/qquickanimatorjob.cpp:158
#16 0x00007f7c96c7ef8a in QMetaObject::activate (sender=0x49c4870, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7ffe5550cbd0) at kernel/qobject.cpp:3713
#17 0x00007f7c96c7f787 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f7c9ad36160 <QQuickItem::staticMetaObject>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7ffe5550cbd0) at kernel/qobject.cpp:3578
#18 0x00007f7c9a90d442 in QQuickItem::windowChanged (this=<optimized out>, _t1=0x0) at .moc/moc_qquickitem.cpp:1044
#19 0x00007f7c9a918bdb in QQuickItemPrivate::derefWindow (this=this@entry=0x4b78600) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:2852
#20 0x00007f7c9a91ab5c in QQuickItem::setParentItem (this=this@entry=0x49c4870, parentItem=parentItem@entry=0x0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:2527
#21 0x00007f7c9a91aff6 in QQuickItem::~QQuickItem (this=0x49c4870, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:2239
#22 0x00007f7c9a934bf6 in ~QQmlElement (this=0x49c4870, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#23 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x49c4870, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#24 0x00007f7c96c7fda0 in QObject::event (this=this@entry=0x49c4870, e=e@entry=0x4af6ca0) at kernel/qobject.cpp:1230
#25 0x00007f7c9a919bab in QQuickItem::event (this=0x49c4870, ev=0x4af6ca0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:7317
#26 0x00007f7c97fc78cc in QApplicationPrivate::notify_helper (this=this@entry=0x1b1dfc0, receiver=receiver@entry=0x49c4870, e=e@entry=0x4af6ca0) at kernel/qapplication.cpp:3716
#27 0x00007f7c97fcc9d6 in QApplication::notify (this=0x7ffe5550d3d0, receiver=0x49c4870, e=0x4af6ca0) at kernel/qapplication.cpp:3499
#28 0x00007f7c96c51cf3 in QCoreApplication::notifyInternal (this=0x7ffe5550d3d0, receiver=0x49c4870, event=event@entry=0x4af6ca0) at kernel/qcoreapplication.cpp:965
#29 0x00007f7c96c54016 in sendEvent (event=0x4af6ca0, receiver=<optimized out>) at kernel/qcoreapplication.h:224
#30 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1b13700) at kernel/qcoreapplication.cpp:1593
#31 0x00007f7c96c544f8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#32 0x00007f7c96ca5103 in postEventSourceDispatch (s=0x1b60600) at kernel/qeventdispatcher_glib.cpp:271
#33 0x00007f7c92a96097 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#34 0x00007f7c92a962c8 in ?? () from /usr/lib64/libglib-2.0.so.0
#35 0x00007f7c92a9636c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#36 0x00007f7c96ca550f in QEventDispatcherGlib::processEvents (this=0x1b64450, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#37 0x00007f7c96c4f63a in QEventLoop::exec (this=this@entry=0x7ffe5550d260, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#38 0x00007f7c96c572fd in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#39 0x0000000000434150 in main (argc=2, argv=<optimized out>) at /usr/src/debug/plasma-workspace-5.4.2/shell/main.cpp:176

Possible duplicates by query: bug 354320, bug 354089, bug 351789, bug 351108, bug 350763.

Reported using DrKonqi