Bug 264245

Application: plasma-desktop (0.3)
KDE Platform Version: 4.5.4 (KDE 4.5.4)
Qt Version: 4.7.1
Operating System: Linux 2.6.35.6-48.fc14.x86_64 x86_64
Distribution: "Fedora release 14 (Laughlin)"

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

I clicked on checkbox to complete a task in the TODO list of kontact make the Plasma restart, everything was working and no data was missing, only Plasma Desktop restart.

-- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f988006e840 (LWP 1909))]

Thread 2 (Thread 0x7f985e7ae700 (LWP 1928)):
#0  0x0000003fe02db083 in poll () from /lib64/libc.so.6
#1  0x0000003fe2642374 in g_main_context_poll (context=0x7f98540009b0, block=1, dispatch=1, self=<value optimized out>) at gmain.c:3093
#2  g_main_context_iterate (context=0x7f98540009b0, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2775
#3  0x0000003fe26428ad in g_main_context_iteration (context=0x7f98540009b0, may_block=1) at gmain.c:2843
#4  0x0000003fe9f86916 in QEventDispatcherGlib::processEvents (this=0x7f98540008c0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#5  0x0000003fe9f5ab42 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x0000003fe9f5ad8c in QEventLoop::exec (this=0x7f985e7add00, flags=...) at kernel/qeventloop.cpp:201
#7  0x0000003fe9e6fed4 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#8  0x0000003fe9f3c5f8 in QInotifyFileSystemWatcherEngine::run (this=0x1807d10) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x0000003fe9e726ee in QThreadPrivate::start (arg=0x1807d10) at thread/qthread_unix.cpp:285
#10 0x0000003fe0a06d5b in start_thread () from /lib64/libpthread.so.0
#11 0x0000003fe02e4a7d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f988006e840 (LWP 1909)):
[KCrash Handler]
#6  QString (this=0x0) at /usr/include/QtCore/qstring.h:728
#7  KCal::IncidenceBase::uid (this=0x0) at /usr/src/debug/kdepimlibs-4.5.4/kcal/incidencebase.cpp:185
#8  0x00007f9865547da8 in ?? () from /usr/lib64/kde4/plasma_engine_calendar.so
#9  0x00007f986554a7b0 in ?? () from /usr/lib64/kde4/plasma_engine_calendar.so
#10 0x00007f986554b546 in ?? () from /usr/lib64/kde4/plasma_engine_calendar.so
#11 0x00007f986552ea04 in ?? () from /usr/lib64/kde4/plasma_engine_calendar.so
#12 0x0000003fe9f7004f in QMetaObject::activate (sender=0x23110d0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff12e6edc0) at kernel/qobject.cpp:3272
#13 0x0000003fe9fb7c64 in QAbstractItemModel::rowsAboutToBeRemoved (this=<value optimized out>, _t1=<value optimized out>, _t2=0, _t3=0) at .moc/release-shared/moc_qabstractitemmodel.cpp:188
#14 0x0000003fe9f52d98 in QAbstractItemModel::beginRemoveRows (this=<value optimized out>, parent=..., first=0, last=0) at kernel/qabstractitemmodel.cpp:2450
#15 0x00007f9864fda8d9 in Akonadi::EntityTreeModelPrivate::monitoredItemRemoved (this=0x22fc4c0, item=...) at /usr/src/debug/kdepimlibs-4.5.4/akonadi/entitytreemodel_p.cpp:811
#16 0x00007f9864fcae63 in Akonadi::EntityTreeModel::qt_metacall (this=0x23110d0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff12e6f040) at /usr/src/debug/kdepimlibs-4.5.4/x86_64-redhat-linux-gnu/akonadi/entitytreemodel.moc:140
#17 0x0000003fe9f7004f in QMetaObject::activate (sender=0x23118d0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff12e6f040) at kernel/qobject.cpp:3272
#18 0x00007f986501b195 in Akonadi::Monitor::itemRemoved (this=<value optimized out>, _t1=<value optimized out>) at /usr/src/debug/kdepimlibs-4.5.4/x86_64-redhat-linux-gnu/akonadi/monitor.moc:181
#19 0x00007f986501dcbc in Akonadi::MonitorPrivate::emitItemNotification (this=0x2311240, msg=..., item=<value optimized out>, collection=<value optimized out>, collectionDest=<value optimized out>) at /usr/src/debug/kdepimlibs-4.5.4/akonadi/monitor_p.cpp:398
#20 0x00007f986501e1ab in Akonadi::MonitorPrivate::emitNotification (this=0x2311240, msg=...) at /usr/src/debug/kdepimlibs-4.5.4/akonadi/monitor_p.cpp:239
#21 0x00007f98650209db in Akonadi::MonitorPrivate::dispatchNotifications (this=0x2311240) at /usr/src/debug/kdepimlibs-4.5.4/akonadi/monitor_p.cpp:184
#22 0x00007f9865020ab5 in Akonadi::MonitorPrivate::slotNotify (this=0x2311240, msgs=<value optimized out>) at /usr/src/debug/kdepimlibs-4.5.4/akonadi/monitor_p.cpp:342
#23 0x00007f9864f8a132 in Akonadi::ChangeRecorderPrivate::slotNotify (this=<value optimized out>, msgs=<value optimized out>) at /usr/src/debug/kdepimlibs-4.5.4/akonadi/changerecorder_p.h:51
#24 0x00007f986501b502 in Akonadi::Monitor::qt_metacall (this=0x23118d0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff12e6f4b0) at /usr/src/debug/kdepimlibs-4.5.4/x86_64-redhat-linux-gnu/akonadi/monitor.moc:147
#25 0x00007f9864f893e8 in Akonadi::ChangeRecorder::qt_metacall (this=0x23118d0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=<value optimized out>) at /usr/src/debug/kdepimlibs-4.5.4/x86_64-redhat-linux-gnu/akonadi/changerecorder.moc:72
#26 0x0000003fe9f7004f in QMetaObject::activate (sender=0x23106c0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff12e6f4b0) at kernel/qobject.cpp:3272
#27 0x00007f986507df82 in OrgFreedesktopAkonadiNotificationManagerInterface::notify (this=<value optimized out>, _t1=<value optimized out>) at /usr/src/debug/kdepimlibs-4.5.4/x86_64-redhat-linux-gnu/akonadi/notificationmanagerinterface.moc:85
#28 0x00007f986507dfcd in OrgFreedesktopAkonadiNotificationManagerInterface::qt_metacall (this=0x23106c0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff12e6f6f0) at /usr/src/debug/kdepimlibs-4.5.4/x86_64-redhat-linux-gnu/akonadi/notificationmanagerinterface.moc:73
#29 0x0000003feb420228 in QDBusConnectionPrivate::deliverCall (this=0x1407d70, object=0x23106c0, msg=..., metaTypes=..., slotIdx=5) at qdbusintegrator.cpp:919
#30 0x0000003feb42b0ff in QDBusCallDeliveryEvent::placeMetaCall (this=<value optimized out>, object=<value optimized out>) at qdbusintegrator_p.h:103
#31 0x0000003fe9f6fb4a in QObject::event (this=0x23106c0, e=<value optimized out>) at kernel/qobject.cpp:1211
#32 0x0000003fecfb78c4 in QApplicationPrivate::notify_helper (this=0x1414680, receiver=0x23106c0, e=0x2e035e0) at kernel/qapplication.cpp:4445
#33 0x0000003fecfbc3da in QApplication::notify (this=<value optimized out>, receiver=0x23106c0, e=0x2e035e0) at kernel/qapplication.cpp:4324
#34 0x0000003fee220566 in KApplication::notify (this=0x1401360, receiver=0x23106c0, event=0x2e035e0) at /usr/src/debug/kdelibs-4.5.4/kdeui/kernel/kapplication.cpp:310
#35 0x0000003fe9f5b7ac in QCoreApplication::notifyInternal (this=0x1401360, receiver=0x23106c0, event=0x2e035e0) at kernel/qcoreapplication.cpp:732
#36 0x0000003fe9f5ef95 in sendEvent (receiver=0x0, event_type=0, data=0x13e7fb0) at kernel/qcoreapplication.h:215
#37 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x13e7fb0) at kernel/qcoreapplication.cpp:1373
#38 0x0000003fe9f86723 in sendPostedEvents (s=0x1417ca0) at kernel/qcoreapplication.h:220
#39 postEventSourceDispatch (s=0x1417ca0) at kernel/qeventdispatcher_glib.cpp:277
#40 0x0000003fe2641e33 in g_main_dispatch (context=0x1416d20) at gmain.c:2149
#41 g_main_context_dispatch (context=0x1416d20) at gmain.c:2702
#42 0x0000003fe2642610 in g_main_context_iterate (context=0x1416d20, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2780
#43 0x0000003fe26428ad in g_main_context_iteration (context=0x1416d20, may_block=1) at gmain.c:2843
#44 0x0000003fe9f868bf in QEventDispatcherGlib::processEvents (this=0x13e77c0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#45 0x0000003fed05c59e in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:207
#46 0x0000003fe9f5ab42 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#47 0x0000003fe9f5ad8c in QEventLoop::exec (this=0x7fff12e70110, flags=...) at kernel/qeventloop.cpp:201
#48 0x0000003fe9f5f24b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#49 0x0000003ff5a37f88 in kdemain () from /usr/lib64/libkdeinit4_plasma-desktop.so
#50 0x0000003fe021ee7d in __libc_start_main (main=0x400920 <_start+256>, argc=1, ubp_av=0x7fff12e70508, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff12e704f8) at libc-start.c:226
#51 0x0000000000400849 in _start ()

This bug may be a duplicate of or related to bug 247642.

Possible duplicates by query: bug 263720, bug 261032, bug 257778, bug 257190, bug 249648.

Reported using DrKonqi