Bug 376652

Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-63-lowlatency x86_64
Distribution: Ubuntu 16.04.2 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Нажал на выпадающее меню "системные уведомления" из меню возле часов в трее.

The crash does not seem to be reproducible.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f64650558c0 (LWP 18114))]

Thread 8 (Thread 0x7f6393d19700 (LWP 18373)):
#0  0x00007f645c55ea79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f645c51a290 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f645c51a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f64600b17eb in QEventDispatcherGlib::processEvents (this=0x7f638c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f6460058b4a in QEventLoop::exec (this=this@entry=0x7f6393d18cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f645fe75834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f6394d177d7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f645fe7a7be in QThreadPrivate::start (arg=0x41e5ba0) at thread/qthread_unix.cpp:331
#8  0x00007f645ef676ba in start_thread (arg=0x7f6393d19700) at pthread_create.c:333
#9  0x00007f645f79082d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f63a4d42700 (LWP 18342)):
#0  0x00007f645c5199ad in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f645c51a2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f645c51a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f64600b17eb in QEventDispatcherGlib::processEvents (this=0x7f63a00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f6460058b4a in QEventLoop::exec (this=this@entry=0x7f63a4d41c90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f645fe75834 in QThread::exec (this=this@entry=0x30afb20) at thread/qthread.cpp:503
#6  0x00007f64630a3ed6 in QQuickPixmapReader::run (this=0x30afb20) at util/qquickpixmapcache.cpp:817
#7  0x00007f645fe7a7be in QThreadPrivate::start (arg=0x30afb20) at thread/qthread_unix.cpp:331
#8  0x00007f645ef676ba in start_thread (arg=0x7f63a4d42700) at pthread_create.c:333
#9  0x00007f645f79082d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f63af367700 (LWP 18325)):
#0  0x00007f645f78069d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f645c55d6f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f645c519e74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f645c51a330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f645c51a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f64600b17eb in QEventDispatcherGlib::processEvents (this=0x7f63a80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007f6460058b4a in QEventLoop::exec (this=this@entry=0x7f63af366ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f645fe75834 in QThread::exec (this=this@entry=0x2e3a940) at thread/qthread.cpp:503
#8  0x00007f646271d3c5 in QQmlThreadPrivate::run (this=0x2e3a940) at qml/ftw/qqmlthread.cpp:141
#9  0x00007f645fe7a7be in QThreadPrivate::start (arg=0x2e3a940) at thread/qthread_unix.cpp:331
#10 0x00007f645ef676ba in start_thread (arg=0x7f63af367700) at pthread_create.c:333
#11 0x00007f645f79082d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f642ffff700 (LWP 18316)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6464ac2bd4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f6464ac2c19 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f645ef676ba in start_thread (arg=0x7f642ffff700) at pthread_create.c:333
#4  0x00007f645f79082d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f6436028700 (LWP 18282)):
#0  0x00007f645f78069d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f645c55d6f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f645c519e74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f645c51a330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f645c51a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f64600b17eb in QEventDispatcherGlib::processEvents (this=0x7f64300008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007f6460058b4a in QEventLoop::exec (this=this@entry=0x7f6436027ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f645fe75834 in QThread::exec (this=this@entry=0x2c12bc0) at thread/qthread.cpp:503
#8  0x00007f646271d3c5 in QQmlThreadPrivate::run (this=0x2c12bc0) at qml/ftw/qqmlthread.cpp:141
#9  0x00007f645fe7a7be in QThreadPrivate::start (arg=0x2c12bc0) at thread/qthread_unix.cpp:331
#10 0x00007f645ef676ba in start_thread (arg=0x7f6436028700) at pthread_create.c:333
#11 0x00007f645f79082d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f6442636700 (LWP 18159)):
#0  0x00007f645c55ea94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f645c519db9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f645c51a330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f645c51a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f64600b17eb in QEventDispatcherGlib::processEvents (this=0x7f643c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f6460058b4a in QEventLoop::exec (this=this@entry=0x7f6442635ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f645fe75834 in QThread::exec (this=this@entry=0x2a40840) at thread/qthread.cpp:503
#7  0x00007f646271d3c5 in QQmlThreadPrivate::run (this=0x2a40840) at qml/ftw/qqmlthread.cpp:141
#8  0x00007f645fe7a7be in QThreadPrivate::start (arg=0x2a40840) at thread/qthread_unix.cpp:331
#9  0x00007f645ef676ba in start_thread (arg=0x7f6442636700) at pthread_create.c:333
#10 0x00007f645f79082d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f64500c8700 (LWP 18115)):
#0  0x00007f645f784b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f6463849c62 in poll (__timeout=-1, __nfds=1, __fds=0x7f64500c7c00) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  _xcb_conn_wait (c=c@entry=0x267d200, cond=cond@entry=0x267d240, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:459
#3  0x00007f646384b8d7 in xcb_wait_for_event (c=0x267d200) at ../../src/xcb_in.c:693
#4  0x00007f6452216629 in QXcbEventReader::run (this=0x268dcd0) at qxcbconnection.cpp:1253
#5  0x00007f645fe7a7be in QThreadPrivate::start (arg=0x268dcd0) at thread/qthread_unix.cpp:331
#6  0x00007f645ef676ba in start_thread (arg=0x7f64500c8700) at pthread_create.c:333
#7  0x00007f645f79082d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f64650558c0 (LWP 18114)):
[KCrash Handler]
#6  0x00007f64626a2bf4 in QQmlContext::isValid (this=0x7222e20) at qml/qqmlcontext.cpp:223
#7  0x00007f64626939e5 in QQmlExpression::QQmlExpression (this=<optimized out>, script=..., ctxt=0x0, scope=0x0, parent=0x0) at qml/qqmlexpression.cpp:142
#8  0x00007f646308091c in QQuickScriptActionPrivate::execute (this=<optimized out>) at util/qquickanimation.cpp:990
#9  0x00007f646275372d in QAbstractAnimationJob::setState (this=0x809fa50, newState=QAbstractAnimationJob::Running) at animations/qabstractanimationjob.cpp:360
#10 0x00007f6462754fcc in QSequentialAnimationGroupJob::activateCurrentAnimation (this=0x80a09f0, intermediate=<optimized out>) at animations/qsequentialanimationgroupjob.cpp:310
#11 0x00007f64627550bc in QSequentialAnimationGroupJob::uncontrolledAnimationFinished (this=0x80a09f0, animation=0x80a0ef0) at animations/qsequentialanimationgroupjob.cpp:326
#12 0x00007f6462752cbf in QAbstractAnimationJob::finished (this=this@entry=0x80a0ef0) at animations/qabstractanimationjob.cpp:594
#13 0x00007f6462753828 in QAbstractAnimationJob::setState (this=0x80a0ef0, newState=newState@entry=QAbstractAnimationJob::Stopped) at animations/qabstractanimationjob.cpp:393
#14 0x00007f6462753877 in QAbstractAnimationJob::stop (this=this@entry=0x80a0ef0) at animations/qabstractanimationjob.cpp:530
#15 0x00007f64630c4149 in QQuickAnimatorProxyJob::setWindow (this=0x80a0ee0, window=<optimized out>) at util/qquickanimatorjob.cpp:157
#16 0x00007f6460089d2a in QMetaObject::activate (sender=0x4695e50, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7ffe4d8ab6d0) at kernel/qobject.cpp:3713
#17 0x00007f646008a537 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f646335ee60 <QQuickItem::staticMetaObject>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7ffe4d8ab6d0) at kernel/qobject.cpp:3578
#18 0x00007f64631284f2 in QQuickItem::windowChanged (this=<optimized out>, _t1=0x0) at .moc/moc_qquickitem.cpp:1044
#19 0x00007f6463135d9b in QQuickItemPrivate::derefWindow (this=this@entry=0x809bb10) at items/qquickitem.cpp:2916
#20 0x00007f646313709c in QQuickItem::setParentItem (this=this@entry=0x4695e50, parentItem=parentItem@entry=0x0) at items/qquickitem.cpp:2591
#21 0x00007f6463137556 in QQuickItem::~QQuickItem (this=0x4695e50, __in_chrg=<optimized out>) at items/qquickitem.cpp:2239
#22 0x00007f6463151f36 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x4695e50, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#23 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x4695e50, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
#24 0x00007f646008ac20 in QObject::event (this=this@entry=0x4695e50, e=e@entry=0x808a3e0) at kernel/qobject.cpp:1230
#25 0x00007f646313570b in QQuickItem::event (this=0x4695e50, ev=0x808a3e0) at items/qquickitem.cpp:7382
#26 0x00007f6460b5e05c in QApplicationPrivate::notify_helper (this=this@entry=0x2670690, receiver=receiver@entry=0x4695e50, e=e@entry=0x808a3e0) at kernel/qapplication.cpp:3716
#27 0x00007f6460b63516 in QApplication::notify (this=0x7ffe4d8abf30, receiver=0x4695e50, e=0x808a3e0) at kernel/qapplication.cpp:3499
#28 0x00007f646005b38b in QCoreApplication::notifyInternal (this=0x7ffe4d8abf30, receiver=0x4695e50, event=event@entry=0x808a3e0) at kernel/qcoreapplication.cpp:965
#29 0x00007f646005d786 in QCoreApplication::sendEvent (event=0x808a3e0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#30 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x2666600) at kernel/qcoreapplication.cpp:1593
#31 0x00007f646005dc68 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#32 0x00007f64600b13c3 in postEventSourceDispatch (s=0x2790510) at kernel/qeventdispatcher_glib.cpp:271
#33 0x00007f645c51a197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f645c51a3f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f645c51a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f64600b17cf in QEventDispatcherGlib::processEvents (this=0x2790970, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#37 0x00007f6460058b4a in QEventLoop::exec (this=this@entry=0x7ffe4d8abdd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#38 0x00007f6460060bec in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#39 0x00007f6460394bfc in QGuiApplication::exec () at kernel/qguiapplication.cpp:1542
#40 0x00007f6460b5a495 in QApplication::exec () at kernel/qapplication.cpp:2976
#41 0x0000000000432d4a in main (argc=2, argv=<optimized out>) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/shell/main.cpp:181

Possible duplicates by query: bug 374343, bug 372431, bug 365670, bug 363507, bug 362954.

Reported using DrKonqi