Bug 357622

Application: plasmashell (5.4.3)

Qt Version: 5.5.1
Operating System: Linux 4.3.0-1-amd64 x86_64
Distribution: Debian GNU/Linux unstable (sid)

-- Information about the crash:
- What I was doing when the application crashed:

switching from firefox to eclipse

kde is from debian/sid

provide more info

-- 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 0x7f9b12026940 (LWP 2157))]

Thread 8 (Thread 0x7f9afd07b700 (LWP 2162)):
#0  0x00007f9b0c76586d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9b1081a382 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f9b1081bff7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f9afe3714f9 in QXcbEventReader::run (this=0x1de2a40) at qxcbconnection.cpp:1229
#4  0x00007f9b0ce4a87e in QThreadPrivate::start (arg=0x1de2a40) at thread/qthread_unix.cpp:331
#5  0x00007f9b0bf67284 in start_thread (arg=0x7f9afd07b700) at pthread_create.c:333
#6  0x00007f9b0c76e74d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f9af683b700 (LWP 2223)):
#0  0x00007f9b095518b4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9b0950d1c1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9b0950d2dc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9b0d0822fb in QEventDispatcherGlib::processEvents (this=0x7f9af00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f9b0d0292fa in QEventLoop::exec (this=this@entry=0x7f9af683ac60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f9b0ce458d4 in QThread::exec (this=this@entry=0x1ed7c20) at thread/qthread.cpp:503
#6  0x00007f9b0f6da105 in QQmlThreadPrivate::run (this=0x1ed7c20) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f9b0ce4a87e in QThreadPrivate::start (arg=0x1ed7c20) at thread/qthread_unix.cpp:331
#8  0x00007f9b0bf67284 in start_thread (arg=0x7f9af683b700) at pthread_create.c:333
#9  0x00007f9b0c76e74d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f9aec587700 (LWP 2284)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9aef9eb4fa in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007f9aef9eac37 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x00007f9b0bf67284 in start_thread (arg=0x7f9aec587700) at pthread_create.c:333
#4  0x00007f9b0c76e74d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f9ae9ca8700 (LWP 2289)):
#0  0x00007f9b0c76586d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9b0950d1cc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9b0950d2dc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9b0d0822fb in QEventDispatcherGlib::processEvents (this=0x7f9ae40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f9b0d0292fa in QEventLoop::exec (this=this@entry=0x7f9ae9ca7c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f9b0ce458d4 in QThread::exec (this=this@entry=0x2151470) at thread/qthread.cpp:503
#6  0x00007f9b0f6da105 in QQmlThreadPrivate::run (this=0x2151470) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f9b0ce4a87e in QThreadPrivate::start (arg=0x2151470) at thread/qthread_unix.cpp:331
#8  0x00007f9b0bf67284 in start_thread (arg=0x7f9ae9ca8700) at pthread_create.c:333
#9  0x00007f9b0c76e74d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f9ae3bbe700 (LWP 2327)):
#0  0x00007f9b095518b4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9b0950cbf9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9b0950d170 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9b0950d2dc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9b0d0822fb in QEventDispatcherGlib::processEvents (this=0x7f9adc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f9b0d0292fa in QEventLoop::exec (this=this@entry=0x7f9ae3bbdc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f9b0ce458d4 in QThread::exec (this=this@entry=0x221bee0) at thread/qthread.cpp:503
#7  0x00007f9b0f6da105 in QQmlThreadPrivate::run (this=0x221bee0) at qml/ftw/qqmlthread.cpp:141
#8  0x00007f9b0ce4a87e in QThreadPrivate::start (arg=0x221bee0) at thread/qthread_unix.cpp:331
#9  0x00007f9b0bf67284 in start_thread (arg=0x7f9ae3bbe700) at pthread_create.c:333
#10 0x00007f9b0c76e74d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f9ae2276700 (LWP 2329)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9b11a871c4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f9b11a87209 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f9b0bf67284 in start_thread (arg=0x7f9ae2276700) at pthread_create.c:333
#4  0x00007f9b0c76e74d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f9a5b725700 (LWP 2352)):
#0  0x00007f9b09551899 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9b0950c769 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9b0950d0fb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9b0950d2dc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9b0d0822fb in QEventDispatcherGlib::processEvents (this=0x7f9a540008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f9b0d0292fa in QEventLoop::exec (this=this@entry=0x7f9a5b724c10, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f9b0ce458d4 in QThread::exec (this=this@entry=0x2530d20) at thread/qthread.cpp:503
#7  0x00007f9b10062136 in QQuickPixmapReader::run (this=0x2530d20) at util/qquickpixmapcache.cpp:760
#8  0x00007f9b0ce4a87e in QThreadPrivate::start (arg=0x2530d20) at thread/qthread_unix.cpp:331
#9  0x00007f9b0bf67284 in start_thread (arg=0x7f9a5b725700) at pthread_create.c:333
#10 0x00007f9b0c76e74d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f9b12026940 (LWP 2157)):
[KCrash Handler]
#6  QMetaObject::methodOffset (this=this@entry=0x4220d90) at kernel/qmetaobject.cpp:384
#7  0x00007f9b0d05aefb in QMetaObject::activate (sender=sender@entry=0x45f72a0, signal_index=6, argv=argv@entry=0x0) at kernel/qobject.cpp:3760
#8  0x00007f9b0f4ac392 in VDMModelDelegateDataType::notify (this=<optimized out>, items=..., index=0, count=1, roles=...) at util/qqmladaptormodel.cpp:171
#9  0x00007f9b0f71b97a in QQmlAdaptorModel::notify (roles=..., count=1, index=<optimized out>, items=..., this=0x320df38) at ../../include/QtQml/5.5.1/QtQml/private/../../../../../src/qml/util/qqmladaptormodel_p.h:118
#10 QQmlDelegateModel::_q_itemsChanged (this=<optimized out>, index=0, count=1, roles=...) at types/qqmldelegatemodel.cpp:1144
#11 0x00007f9b0f71bada in QQmlDelegateModel::_q_dataChanged (this=<optimized out>, begin=..., end=..., roles=...) at types/qqmldelegatemodel.cpp:1546
#12 0x00007f9b0f74304c in QQmlDelegateModel::qt_static_metacall (_o=_o@entry=0x320de80, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=12, _a=_a@entry=0x7ffc34862330) at .moc/moc_qqmldelegatemodel_p.cpp:203
#13 0x00007f9b0f743838 in QQmlDelegateModel::qt_metacall (this=0x320de80, _c=QMetaObject::InvokeMetaMethod, _id=12, _a=0x7ffc34862330) at .moc/moc_qqmldelegatemodel_p.cpp:344
#14 0x00007f9b0d05a880 in QMetaObject::activate (sender=0x3207cb0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc34862330) at kernel/qobject.cpp:3728
#15 0x00007f9b0d05aec7 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f9b0d274ec0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc34862330) at kernel/qobject.cpp:3578
#16 0x00007f9b0d0d6bdc in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:548
#17 0x00007f9a53bcbaf4 in TaskManager::TasksModelPrivate::itemChanged (this=0x31f1410, changes=...) at ../../libtaskmanager/tasksmodel.cpp:521
#18 0x00007f9a53bccd97 in TaskManager::TasksModel::qt_static_metacall (_o=_o@entry=0x3207cb0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=9, _a=_a@entry=0x7ffc34862520) at ./moc_tasksmodel.cpp:214
#19 0x00007f9b0d05a6ca in QMetaObject::activate (sender=0x4074e10, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc34862520) at kernel/qobject.cpp:3713
#20 0x00007f9b0d05aec7 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f9a53df0960 <TaskManager::AbstractGroupableItem::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc34862520) at kernel/qobject.cpp:3578
#21 0x00007f9a53bd4cc8 in TaskManager::AbstractGroupableItem::changed (this=<optimized out>, _t1=...) at moc_abstractgroupableitem.cpp:223
#22 0x00007f9a53bc2140 in TaskManager::TaskItemPrivate::filterChange (change=..., this=<optimized out>) at ../../libtaskmanager/taskitem.cpp:73
#23 TaskManager::TaskItem::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./moc_taskitem.cpp:147
#24 0x00007f9b0d05a6ca in QMetaObject::activate (sender=sender@entry=0x3eceba0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc34862670) at kernel/qobject.cpp:3713
#25 0x00007f9b0d05aec7 in QMetaObject::activate (sender=sender@entry=0x3eceba0, m=m@entry=0x7f9a53df0660 <TaskManager::Task::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc34862670) at kernel/qobject.cpp:3578
#26 0x00007f9a53bd4eb8 in TaskManager::Task::changed (this=this@entry=0x3eceba0, _t1=...) at moc_task.cpp:359
#27 0x00007f9a53bb419b in TaskManager::Task::setActive (this=this@entry=0x3eceba0, a=a@entry=true) at ../../libtaskmanager/task.cpp:178
#28 0x00007f9a53bc7f4c in TaskManager::TaskManager::activeWindowChanged (this=0x7f9a53df26f0 <TaskManager::(anonymous namespace)::Q_QGS_privateTaskManagerSelf::innerFunction()::holder>, w=<optimized out>) at ../../libtaskmanager/taskmanager.cpp:412
#29 0x00007f9a53bca297 in TaskManager::TaskManager::qt_static_metacall (_o=_o@entry=0x7f9a53df26f0 <TaskManager::(anonymous namespace)::Q_QGS_privateTaskManagerSelf::innerFunction()::holder>, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=10, _a=_a@entry=0x7ffc34862860) at ./moc_taskmanager.cpp:176
#30 0x00007f9b0d05a6ca in QMetaObject::activate (sender=sender@entry=0x7f9b0f404120 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffc34862860) at kernel/qobject.cpp:3713
#31 0x00007f9b0d05aec7 in QMetaObject::activate (sender=sender@entry=0x7f9b0f404120 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>, m=m@entry=0x7f9b0f402b80 <KWindowSystem::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffc34862860) at kernel/qobject.cpp:3578
#32 0x00007f9b0f1f4c62 in KWindowSystem::activeWindowChanged (this=this@entry=0x7f9b0f404120 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>, _t1=73400765) at moc_kwindowsystem.cpp:303
#33 0x00007f9af6a4f29b in NETEventFilter::nativeEventFilter (this=0x31efad0, ev=0x7f9af80084b0) at ../../../../src/platforms/xcb/kwindowsystem.cpp:208
#34 0x00007f9b0d02848f in QAbstractEventDispatcher::filterNativeEvent (this=<optimized out>, eventType=..., message=message@entry=0x7f9af80084b0, result=result@entry=0x7ffc34862998) at kernel/qabstracteventdispatcher.cpp:460
#35 0x00007f9afe374f64 in QXcbConnection::handleXcbEvent (this=this@entry=0x1de0bd0, event=event@entry=0x7f9af80084b0) at qxcbconnection.cpp:1020
#36 0x00007f9afe375d13 in QXcbConnection::processXcbEvents (this=0x1de0bd0) at qxcbconnection.cpp:1502
#37 0x00007f9b0d05b591 in QObject::event (this=0x1de0bd0, e=<optimized out>) at kernel/qobject.cpp:1239
#38 0x00007f9b0db2effc in QApplicationPrivate::notify_helper (this=this@entry=0x1dd8190, receiver=receiver@entry=0x1de0bd0, e=e@entry=0x7f9af800ce80) at kernel/qapplication.cpp:3716
#39 0x00007f9b0db344c6 in QApplication::notify (this=0x7ffc34863140, receiver=0x1de0bd0, e=0x7f9af800ce80) at kernel/qapplication.cpp:3499
#40 0x00007f9b0d02bb6b in QCoreApplication::notifyInternal (this=0x7ffc34863140, receiver=0x1de0bd0, event=event@entry=0x7f9af800ce80) at kernel/qcoreapplication.cpp:965
#41 0x00007f9b0d02df66 in QCoreApplication::sendEvent (event=0x7f9af800ce80, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#42 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1dce600) at kernel/qcoreapplication.cpp:1593
#43 0x00007f9b0d02e448 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#44 0x00007f9b0d081ed3 in postEventSourceDispatch (s=0x1e2d9a0) at kernel/qeventdispatcher_glib.cpp:271
#45 0x00007f9b0950cfd7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007f9b0950d230 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007f9b0950d2dc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007f9b0d0822df in QEventDispatcherGlib::processEvents (this=0x1e2f970, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#49 0x00007f9b0d0292fa in QEventLoop::exec (this=this@entry=0x7ffc34862fc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#50 0x00007f9b0d0313dc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#51 0x00007f9b0d3658bc in QGuiApplication::exec () at kernel/qguiapplication.cpp:1527
#52 0x00007f9b0db2b435 in QApplication::exec () at kernel/qapplication.cpp:2976
#53 0x0000000000431b03 in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:176

Possible duplicates by query: bug 357056, bug 356152, bug 355650, bug 354794, bug 354214.

Reported using DrKonqi