Bug 253426

Application: kontact (4.4.2)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-25-generic i686
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
Kontact randomly crashed when adding calendar events

The crash can be reproduced some of the time.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0xb78ca990 (LWP 23622))]

Thread 2 (Thread 0xb4ab4b70 (LWP 24026)):
#0  0x010d29f1 in socketNotifierSourceCheck (source=0xad1bd80) at kernel/qeventdispatcher_glib.cpp:79
#1  0x0756d799 in g_main_context_check () from /lib/libglib-2.0.so.0
#2  0x0756e0ce in ?? () from /lib/libglib-2.0.so.0
#3  0x0756e4b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x010d260f in QEventDispatcherGlib::processEvents (this=0xac35e18, flags=...) at kernel/qeventdispatcher_glib.cpp:414
#5  0x010a5059 in QEventLoop::processEvents (this=0xb4ab4270, flags=) at kernel/qeventloop.cpp:149
#6  0x010a54aa in QEventLoop::exec (this=0xb4ab4270, flags=...) at kernel/qeventloop.cpp:201
#7  0x00fa15a8 in QThread::exec (this=0xa161ef0) at thread/qthread.cpp:487
#8  0x01084c1b in QInotifyFileSystemWatcherEngine::run (this=0xa161ef0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00fa432e in QThreadPrivate::start (arg=0xa161ef0) at thread/qthread_unix.cpp:248
#10 0x043b396e in start_thread (arg=0xb4ab4b70) at pthread_create.c:300
#11 0x00330a4e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb78ca990 (LWP 23622)):
[KCrash Handler]
#6  QBasicAtomicInt::ref (this=0xbec3950) at /usr/include/qt4/QtCore/qatomic_i386.h:120
#7  QString (this=0xbec3950) at /usr/include/qt4/QtCore/qstring.h:715
#8  KCal::IncidenceBase::uid (this=0xbec3950) at ../../kcal/incidencebase.cpp:185
#9  0x0283e229 in KOEventViewer::changeIncidenceDisplay (this=0xaf60950, incidence=0xa559b60, date=..., action=0) at ../../korganizer/koeventviewer.cpp:143
#10 0x038868d6 in CalendarView::changeIncidenceDisplay (this=0xadf5500, incidence=0xa559b60, action=0) at ../../korganizer/calendarview.cpp:786
#11 0x0388fb63 in CalendarView::incidenceAdded (this=0xadf5500, incidence=0xa559b60) at ../../korganizer/calendarview.cpp:663
#12 0x03896d49 in CalendarView::qt_metacall (this=0xadf5500, _c=QMetaObject::InvokeMetaMethod, _id=95, _a=0xbf98aa28) at ./calendarview.moc:502
#13 0x010abc9a in QMetaObject::metacall (object=0xadf5500, cl=3908353, idx=122, argv=0xbf98aa28) at kernel/qmetaobject.cpp:237
#14 0x010ba3d5 in QMetaObject::activate (sender=0xa853328, m=0x2b4ee00, local_signal_index=0, argv=0xbf98aa28) at kernel/qobject.cpp:3293
#15 0x02b4c3c3 in KOrg::IncidenceChangerBase::incidenceAdded (this=0xa853328, _t1=0xa559b60) at ./incidencechangerbase.moc:97
#16 0x0392c8b5 in IncidenceChanger::addIncidence (this=0xa853328, incidence=0xa559b60, parent=0xaf9c990) at ../../korganizer/incidencechanger.cpp:340
#17 0x038a2ac0 in KOEventEditor::processInput (this=0xaf9c990) at ../../korganizer/koeventeditor.cpp:338
#18 0x038a06ab in KOIncidenceEditor::slotButtonClicked (this=0xaf9c990, button=8) at ../../korganizer/koincidenceeditor.cpp:108
#19 0x007a4559 in KDialog::qt_metacall (this=0xaf9c990, _c=QMetaObject::InvokeMetaMethod, _id=33, _a=0xbf98ade8) at ./kdialog.moc:190
#20 0x0088186a in KPageDialog::qt_metacall (this=0xaf9c990, _c=QMetaObject::InvokeMetaMethod, _id=69, _a=0xbf98ade8) at ./kpagedialog.moc:70
#21 0x038a176a in KOIncidenceEditor::qt_metacall (this=0xaf9c990, _c=QMetaObject::InvokeMetaMethod, _id=69, _a=0xbf98ade8) at ./koincidenceeditor.moc:113
#22 0x038a305a in KOEventEditor::qt_metacall (this=0xaf9c990, _c=QMetaObject::InvokeMetaMethod, _id=69, _a=0xbf98ade8) at ./koeventeditor.moc:77
#23 0x010abc9a in QMetaObject::metacall (object=0xaf9c990, cl=3908353, idx=69, argv=0xbf98ade8) at kernel/qmetaobject.cpp:237
#24 0x010ba3d5 in QMetaObject::activate (sender=0xc36fbd8, m=0x11b90f8, local_signal_index=0, argv=0xbf98ade8) at kernel/qobject.cpp:3293
#25 0x010bfb13 in QSignalMapper::mapped (this=0xc36fbd8, _t1=8) at .moc/release-shared/moc_qsignalmapper.cpp:101
#26 0x010c0d8d in QSignalMapper::map (this=0xc36fbd8, sender=0xbf5b860) at kernel/qsignalmapper.cpp:266
#27 0x010c0f6e in QSignalMapper::map (this=0xc36fbd8) at kernel/qsignalmapper.cpp:257
#28 0x010c103b in QSignalMapper::qt_metacall (this=0xc36fbd8, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbf98af88) at .moc/release-shared/moc_qsignalmapper.cpp:87
#29 0x010abc9a in QMetaObject::metacall (object=0xc36fbd8, cl=3908353, idx=8, argv=0xbf98af88) at kernel/qmetaobject.cpp:237
#30 0x010ba3d5 in QMetaObject::activate (sender=0xbf5b860, m=0x6df58c4, local_signal_index=2, argv=0xbf98af88) at kernel/qobject.cpp:3293
#31 0x06be5479 in QAbstractButton::clicked (this=0xbf5b860, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:206
#32 0x068c4ea9 in QAbstractButtonPrivate::emitClicked (this=0xc50e1b8) at widgets/qabstractbutton.cpp:546
#33 0x068c5cf4 in QAbstractButtonPrivate::click (this=0xc50e1b8) at widgets/qabstractbutton.cpp:539
#34 0x068c5fae in QAbstractButton::mouseReleaseEvent (this=0xbf5b860, e=0xbf98b6c0) at widgets/qabstractbutton.cpp:1121
#35 0x065187f8 in QWidget::event (this=0xbf5b860, event=0xbf98b6c0) at kernel/qwidget.cpp:7998
#36 0x068c4d4e in QAbstractButton::event (this=0xbf5b860, e=0x72656e77) at widgets/qabstractbutton.cpp:1080
#37 0x0696f1f2 in QPushButton::event (this=0xbf5b860, e=0xbf98b6c0) at widgets/qpushbutton.cpp:679
#38 0x064ba4dc in QApplicationPrivate::notify_helper (this=0x9efe758, receiver=0xbf5b860, e=0xbf98b6c0) at kernel/qapplication.cpp:4300
#39 0x064c19f7 in QApplication::notify (this=0xbf98bf74, receiver=0xbf5b860, e=0xbf98b6c0) at kernel/qapplication.cpp:3865
#40 0x00840f2a in KApplication::notify (this=0xbf98bf74, receiver=0xbf5b860, event=0xbf98b6c0) at ../../kdeui/kernel/kapplication.cpp:302
#41 0x010a6a3b in QCoreApplication::notifyInternal (this=0xbf98bf74, receiver=0xbf5b860, event=0xbf98b6c0) at kernel/qcoreapplication.cpp:704
#42 0x064c0952 in QCoreApplication::sendEvent (receiver=0xbf5b860, event=0xbf98b6c0, alienWidget=0xbf5b860, nativeWidget=0xc3d9330, buttonDown=0x6dfe058, lastMouseReceiver=..., spontaneous=true)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#43 QApplicationPrivate::sendMouseEvent (receiver=0xbf5b860, event=0xbf98b6c0, alienWidget=0xbf5b860, nativeWidget=0xc3d9330, buttonDown=0x6dfe058, lastMouseReceiver=..., spontaneous=true)
    at kernel/qapplication.cpp:2965
#44 0x0654c088 in QETWidget::translateMouseEvent (this=0xc3d9330, event=0xbf98bbdc) at kernel/qapplication_x11.cpp:4368
#45 0x0654b511 in QApplication::x11ProcessEvent (this=0xbf98bf74, event=0xbf98bbdc) at kernel/qapplication_x11.cpp:3379
#46 0x0657a60a in x11EventSourceDispatch (s=0x9f068e8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#47 0x0756a5e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#48 0x0756e2d8 in ?? () from /lib/libglib-2.0.so.0
#49 0x0756e4b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#50 0x010d25d5 in QEventDispatcherGlib::processEvents (this=0x9ed3588, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#51 0x0657a135 in QGuiEventDispatcherGlib::processEvents (this=0x9ed3588, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#52 0x010a5059 in QEventLoop::processEvents (this=0xbf98bed4, flags=) at kernel/qeventloop.cpp:149
#53 0x010a54aa in QEventLoop::exec (this=0xbf98bed4, flags=...) at kernel/qeventloop.cpp:201
#54 0x010a969f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#55 0x064ba577 in QApplication::exec () at kernel/qapplication.cpp:3579
#56 0x0804b472 in main (argc=1, argv=0xbf98c194) at ../../../kontact/src/main.cpp:224

This bug may be a duplicate of or related to bug 235407.

Possible duplicates by query: bug 235407, bug 231308, bug 220981, bug 217788, bug 213179.

Reported using DrKonqi