Application: kontact (4.4.2)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.31-20-generic x86_64
Distribution: Ubuntu 9.10

-- Information about the crash:
Unknown why.  This has just happened for the second time.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#5  0x00007f8e12d82567 in KCal::IncidenceBase::uid() const () from /usr/lib/libkcal.so.4
#6  0x00007f8df7acc409 in KOEventViewer::changeIncidenceDisplay(KCal::Incidence*, QDate const&, int) () from /usr/lib/libkorganizer_eventviewer.so.4
#7  0x00007f8df84c8354 in CalendarView::changeIncidenceDisplay(KCal::Incidence*, int) () from /usr/lib/libkorganizerprivate.so.4
#8  0x00007f8df84d0927 in CalendarView::incidenceAdded(KCal::Incidence*) () from /usr/lib/libkorganizerprivate.so.4
#9  0x00007f8df84d70d6 in CalendarView::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkorganizerprivate.so.4
#10 0x00007f8e1699fc0f in QMetaObject::activate (sender=0x30c4c70, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3293
#11 0x00007f8df7f4b05f in KOrg::IncidenceChangerBase::incidenceAdded(KCal::Incidence*) () from /usr/lib/libkorganizer_interfaces.so.4
#12 0x00007f8df8557c15 in IncidenceChanger::addIncidence(KCal::Incidence*, QWidget*) () from /usr/lib/libkorganizerprivate.so.4
#13 0x00007f8df84e133f in ?? () from /usr/lib/libkorganizerprivate.so.4
#14 0x00007f8df84df316 in ?? () from /usr/lib/libkorganizerprivate.so.4
#15 0x00007f8e172ea279 in KDialog::qt_metacall (this=0x3fb57e0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffec9d8e60) at ./kdialog.moc:190
#16 0x00007f8e173b2670 in KPageDialog::qt_metacall (this=0x7fffec9d85a0, _c=66175040, _id=-1717986918, _a=0x0) at ./kpagedialog.moc:70
#17 0x00007f8df84e01f0 in ?? () from /usr/lib/libkorganizerprivate.so.4
#18 0x00007f8df84e1810 in ?? () from /usr/lib/libkorganizerprivate.so.4
#19 0x00007f8e1699fc0f in QMetaObject::activate (sender=0x4dd7968, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3293
#20 0x00007f8e169a4efe in QSignalMapper::mapped (this=0x7fffec9d85a0, _t1=4) at .moc/release-shared/moc_qsignalmapper.cpp:101
#21 0x00007f8e169a6112 in QSignalMapper::map (this=0x4dd7968, sender=0x3581840) at kernel/qsignalmapper.cpp:266
#22 0x00007f8e169a6390 in QSignalMapper::qt_metacall (this=0x4dd7968, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffec9d8ff0) at .moc/release-shared/moc_qsignalmapper.cpp:87
#23 0x00007f8e1699fc0f in QMetaObject::activate (sender=0x3581840, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3293
#24 0x00007f8e163e13b2 in QAbstractButton::clicked (this=0x7fffec9d85a0, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:206
#25 0x00007f8e160fbc5b in QAbstractButtonPrivate::emitClicked (this=0x52ed380) at widgets/qabstractbutton.cpp:546
#26 0x00007f8e160fcb1b in QAbstractButtonPrivate::click (this=0x52ed380) at widgets/qabstractbutton.cpp:539
#27 0x00007f8e160fcd8c in QAbstractButton::mouseReleaseEvent (this=0x3581840, e=0x7fffec9d9930) at widgets/qabstractbutton.cpp:1121
#28 0x00007f8e15d9d502 in QWidget::event (this=0x3581840, event=0x7fffec9d9930) at kernel/qwidget.cpp:7998
#29 0x00007f8e15d4712c in QApplicationPrivate::notify_helper (this=0xf8abb0, receiver=0x3581840, e=0x7fffec9d9930) at kernel/qapplication.cpp:4300
#30 0x00007f8e15d4defb in QApplication::notify (this=0x7fffec9da640, receiver=0x3581840, e=0x7fffec9d9930) at kernel/qapplication.cpp:3865
#31 0x00007f8e17379076 in KApplication::notify (this=0x7fffec9da640, receiver=0x3581840, event=0x7fffec9d9930) at ../../kdeui/kernel/kapplication.cpp:302
#32 0x00007f8e1698ce0c in QCoreApplication::notifyInternal (this=0x7fffec9da640, receiver=0x3581840, event=0x7fffec9d9930) at kernel/qcoreapplication.cpp:704
#33 0x00007f8e15d4d0d6 in QCoreApplication::sendEvent (receiver=0x3581840, event=0x7fffec9d9930, alienWidget=0x3581840, nativeWidget=0x50f7d10, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#34 QApplicationPrivate::sendMouseEvent (receiver=0x3581840, event=0x7fffec9d9930, alienWidget=0x3581840, nativeWidget=0x50f7d10, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:2965
#35 0x00007f8e15dccc65 in QETWidget::translateMouseEvent (this=0x50f7d10, event=<value optimized out>) at kernel/qapplication_x11.cpp:4368
#36 0x00007f8e15dcb97a in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffec9da250) at kernel/qapplication_x11.cpp:3501
#37 0x00007f8e15df7322 in x11EventSourceDispatch (s=0xf94090, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#38 0x00007f8e0e68bbce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#39 0x00007f8e0e68f598 in ?? () from /lib/libglib-2.0.so.0
#40 0x00007f8e0e68f6c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#41 0x00007f8e169b6333 in QEventDispatcherGlib::processEvents (this=0xf5e3a0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#42 0x00007f8e15df6f0e in QGuiEventDispatcherGlib::processEvents (this=0x7fffec9d85a0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#43 0x00007f8e1698b732 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#44 0x00007f8e1698bb0c in QEventLoop::exec (this=0x7fffec9da580, flags=) at kernel/qeventloop.cpp:201
#45 0x00007f8e1698f84b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#46 0x0000000000403ece in _start ()

Possible duplicates by query: bug 231308, bug 231307, bug 219502, bug 217788, bug 210257.

Reported using DrKonqi