Bug 363835

Application: plasmashell (5.6.4)

Qt Version: 5.5.1
Frameworks Version: 5.22.0
Operating System: Linux 4.5.0-2-amd64 x86_64
Distribution: Debian GNU/Linux unstable (sid)

-- Information about the crash:
- What I was doing when the application crashed:
_i_ did nothing. but the Thunderbird indicator in systray showed the "new message" icon. not sure if related or just coincidence

-- 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 0x7f95777b7940 (LWP 10321))]

Thread 8 (Thread 0x7f9562759700 (LWP 10322)):
#0  0x00007f9571e99dcd in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f9575f76382 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f9575f77ff7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f9563a50789 in QXcbEventReader::run (this=0x24a5540) at qxcbconnection.cpp:1230
#4  0x00007f957258380e in QThreadPrivate::start (arg=0x24a5540) at thread/qthread_unix.cpp:331
#5  0x00007f95716a2454 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007f9571ea2e5d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 7 (Thread 0x7f9561093700 (LWP 10323)):
#0  0x00007f956ec82ac9 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f956ec3d330 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f956ec3e255 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f956ec3e4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f95727baa5b in QEventDispatcherGlib::processEvents (this=0x7f95540008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f9572761daa in QEventLoop::exec (this=this@entry=0x7f9561092c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f957257e864 in QThread::exec (this=this@entry=0x25378c0) at thread/qthread.cpp:503
#7  0x00007f9574e3a105 in QQmlThreadPrivate::run (this=0x25378c0) at qml/ftw/qqmlthread.cpp:141
#8  0x00007f957258380e in QThreadPrivate::start (arg=0x25378c0) at thread/qthread_unix.cpp:331
#9  0x00007f95716a2454 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007f9571ea2e5d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 6 (Thread 0x7f95515ea700 (LWP 10324)):
#0  0x00007f95716a804f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f9559c85693 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007f9559c84db7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x00007f95716a2454 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f9571ea2e5d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 5 (Thread 0x7f954f1ff700 (LWP 10325)):
#0  0x00007f9571e99dcd in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f956ec3e39c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f956ec3e4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f95727baa5b in QEventDispatcherGlib::processEvents (this=0x7f95480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f9572761daa in QEventLoop::exec (this=this@entry=0x7f954f1fec60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f957257e864 in QThread::exec (this=this@entry=0x2527650) at thread/qthread.cpp:503
#6  0x00007f9574e3a105 in QQmlThreadPrivate::run (this=0x2527650) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f957258380e in QThreadPrivate::start (arg=0x2527650) at thread/qthread_unix.cpp:331
#8  0x00007f95716a2454 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007f9571ea2e5d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 4 (Thread 0x7f954d431700 (LWP 10326)):
#0  0x00007f9571e95dad in read () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f956ec81740 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f956ec3de84 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f956ec3e340 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f956ec3e4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f95727baa5b in QEventDispatcherGlib::processEvents (this=0x7f95400008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007f9572761daa in QEventLoop::exec (this=this@entry=0x7f954d430c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f957257e864 in QThread::exec (this=this@entry=0x28dbf10) at thread/qthread.cpp:503
#8  0x00007f9574e3a105 in QQmlThreadPrivate::run (this=0x28dbf10) at qml/ftw/qqmlthread.cpp:141
#9  0x00007f957258380e in QThreadPrivate::start (arg=0x28dbf10) at thread/qthread_unix.cpp:331
#10 0x00007f95716a2454 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007f9571ea2e5d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 3 (Thread 0x7f95479c4700 (LWP 10327)):
#0  0x00007f95716a804f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f95772181c4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f9577218209 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f95716a2454 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f9571ea2e5d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 2 (Thread 0x7f954512c700 (LWP 10328)):
#0  0x00007f9571e95dad in read () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f956ec81740 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f956ec3de84 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f956ec3e340 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f956ec3e4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f95727baa5b in QEventDispatcherGlib::processEvents (this=0x7f94bc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007f9572761daa in QEventLoop::exec (this=this@entry=0x7f954512bc10, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f957257e864 in QThread::exec (this=this@entry=0x2b7d860) at thread/qthread.cpp:503
#8  0x00007f95757c7136 in QQuickPixmapReader::run (this=0x2b7d860) at util/qquickpixmapcache.cpp:760
#9  0x00007f957258380e in QThreadPrivate::start (arg=0x2b7d860) at thread/qthread_unix.cpp:331
#10 0x00007f95716a2454 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007f9571ea2e5d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7f95777b7940 (LWP 10321)):
[KCrash Handler]
#6  0x00007f9574c0c358 in VDMModelDelegateDataType::notify (this=<optimized out>, items=..., index=1, count=1, roles=...) at util/qqmladaptormodel.cpp:167
#7  0x00007f9574e7b97a in QQmlAdaptorModel::notify (roles=..., count=1, index=<optimized out>, items=..., this=0x3b91eb8) at ../../include/QtQml/5.5.1/QtQml/private/../../../../../src/qml/util/qqmladaptormodel_p.h:118
#8  QQmlDelegateModel::_q_itemsChanged (this=<optimized out>, index=1, count=1, roles=...) at types/qqmldelegatemodel.cpp:1144
#9  0x00007f9574e7bada in QQmlDelegateModel::_q_dataChanged (this=<optimized out>, begin=..., end=..., roles=...) at types/qqmldelegatemodel.cpp:1546
#10 0x00007f9574ea304c in QQmlDelegateModel::qt_static_metacall (_o=_o@entry=0x3b91d40, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=12, _a=_a@entry=0x7ffe5ef9e7a0) at .moc/moc_qqmldelegatemodel_p.cpp:203
#11 0x00007f9574ea3838 in QQmlDelegateModel::qt_metacall (this=0x3b91d40, _c=QMetaObject::InvokeMetaMethod, _id=12, _a=0x7ffe5ef9e7a0) at .moc/moc_qqmldelegatemodel_p.cpp:344
#12 0x00007f9572793140 in QMetaObject::activate (sender=0x3b80360, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe5ef9e7a0) at kernel/qobject.cpp:3728
#13 0x00007f9572793797 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f95729acec0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe5ef9e7a0) at kernel/qobject.cpp:3578
#14 0x00007f957280f0bc in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:548
#15 0x00007f94b849b6f4 in ?? () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#16 0x00007f94b849c7b7 in ?? () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#17 0x00007f9572792f8a in QMetaObject::activate (sender=0x42aaa40, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3713
#18 0x00007f94b84a47e8 in TaskManager::AbstractGroupableItem::changed(QFlags<TaskManager::TaskChange>) () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#19 0x00007f94b8490c00 in ?? () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#20 0x00007f9572792f8a in QMetaObject::activate (sender=0x3b70490, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3713
#21 0x00007f94b84a49d8 in TaskManager::Task::changed(QFlags<TaskManager::TaskChange>) () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#22 0x00007f94b84824cb in TaskManager::Task::setActive(bool) () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#23 0x00007f94b84970e9 in TaskManager::TaskManager::activeWindowChanged(unsigned long long) () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#24 0x00007f9572792e0f in QtPrivate::QSlotObjectBase::call (a=0x7ffe5ef9ec70, r=0x7f94b86c4690, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#25 QMetaObject::activate (sender=0x7f9574b64160, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3698
#26 0x00007f95749553d2 in KWindowSystem::activeWindowChanged(unsigned long long) () from /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#27 0x00007f95612aa35b in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#28 0x00007f9572760f5f in QAbstractEventDispatcher::filterNativeEvent (this=<optimized out>, eventType=..., message=message@entry=0x7f955c0034e0, result=result@entry=0x7ffe5ef9eda8) at kernel/qabstracteventdispatcher.cpp:460
#29 0x00007f9563a54204 in QXcbConnection::handleXcbEvent (this=this@entry=0x2490d20, event=event@entry=0x7f955c0034e0) at qxcbconnection.cpp:1021
#30 0x00007f9563a54fb3 in QXcbConnection::processXcbEvents (this=0x2490d20) at qxcbconnection.cpp:1509
#31 0x00007f9572793e61 in QObject::event (this=0x2490d20, e=<optimized out>) at kernel/qobject.cpp:1239
#32 0x00007f9573056ffc in QApplicationPrivate::notify_helper (this=this@entry=0x24882c0, receiver=receiver@entry=0x2490d20, e=e@entry=0x7f955c005d80) at kernel/qapplication.cpp:3716
#33 0x00007f957305c4b6 in QApplication::notify (this=0x7ffe5ef9f520, receiver=0x2490d20, e=0x7f955c005d80) at kernel/qapplication.cpp:3499
#34 0x00007f95727645eb in QCoreApplication::notifyInternal (this=0x7ffe5ef9f520, receiver=0x2490d20, event=event@entry=0x7f955c005d80) at kernel/qcoreapplication.cpp:965
#35 0x00007f95727669e6 in QCoreApplication::sendEvent (event=0x7f955c005d80, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#36 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x247e600) at kernel/qcoreapplication.cpp:1593
#37 0x00007f9572766ec8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#38 0x00007f95727ba633 in postEventSourceDispatch (s=0x24db1f0) at kernel/qeventdispatcher_glib.cpp:271
#39 0x00007f956ec3e1a7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f956ec3e400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007f956ec3e4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f95727baa3f in QEventDispatcherGlib::processEvents (this=0x24da4f0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#43 0x00007f9572761daa in QEventLoop::exec (this=this@entry=0x7ffe5ef9f3d0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#44 0x00007f9572769e4c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#45 0x000000000041bfe0 in ?? ()
#46 0x00007f9571dda5f0 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#47 0x000000000041c149 in _start ()

Possible duplicates by query: bug 363706, bug 363661, bug 363583, bug 363493, bug 363469.

Reported using DrKonqi