Application: kontact (4.4.3)
KDE Platform Version: 4.4.4 (KDE 4.4.4)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-22-generic-pae i686
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
Kontact version KDE SC 4.4.4 on Kubuntu Lucid
Kernel 2.6.32-22-generic-pae #36-Ubuntu SMP
During a kmail Imap dowload, it happens a Korganizer event.
On presing the message information kontact have crashed.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  QBasicAtomicInt::deref (this=0xab0d8b4) at ../../include/QtCore/../../src/corelib/arch/qatomic_i386.h:132
#7  QList<QObject*>::operator= (this=0xab0d8b4) at ../../include/QtCore/../../src/corelib/tools/qlist.h:412
#8  QList<QObject*>::clear (this=0xab0d8b4) at ../../include/QtCore/../../src/corelib/tools/qlist.h:656
#9  0xb6d951ac in QObjectPrivate::deleteChildren (this=0xab0d8a8) at kernel/qobject.cpp:1988
#10 0xb6d9c29d in ~QObject (this=0xab0d898, __in_chrg=<value optimized out>) at kernel/qobject.cpp:975
#11 0xb6c6619a in ~QAbstractAnimation (this=0xab0d898, __in_chrg=<value optimized out>) at animation/qabstractanimation.cpp:453
#12 0xb6c682c8 in ~QVariantAnimation (this=0xab0d898, __in_chrg=<value optimized out>) at animation/qvariantanimation.cpp:363
#13 0xb6c6b315 in ~QPropertyAnimation (this=0xab0d898, __in_chrg=<value optimized out>) at animation/qpropertyanimation.cpp:172
#14 0xb34251aa in ~Animation (this=0xab0d898, __in_chrg=<value optimized out>) at ../../../kstyles/oxygen/lib/oxygenanimation.h:53
#15 0xb6d9518f in QObjectPrivate::deleteChildren (this=0xab0d778) at kernel/qobject.cpp:1986
#16 0xb6d9c29d in ~QObject (this=0xa77eca0, __in_chrg=<value optimized out>) at kernel/qobject.cpp:975
#17 0xb3434a96 in ~AnimationData (this=0xa77eca0, __in_chrg=<value optimized out>) at ../../../kstyles/oxygen/animations/oxygenanimationdata.h:60
#18 ~GenericData (this=0xa77eca0, __in_chrg=<value optimized out>) at ../../../kstyles/oxygen/animations/oxygengenericdata.h:55
#19 ~WidgetStateData (this=0xa77eca0, __in_chrg=<value optimized out>) at ../../../kstyles/oxygen/animations/oxygenwidgetstatedata.h:50
#20 ~EnableData (this=0xa77eca0, __in_chrg=<value optimized out>) at ../../../kstyles/oxygen/animations/oxygenenabledata.h:50
#21 0xb344715e in Oxygen::WidgetStateEngine::unregisterWidget(QObject*) () from /usr/lib/kde4/plugins/styles/oxygen.so
#22 0xb3443d6d in Oxygen::WidgetStateEngine::qt_metacall (this=0x993aad0, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfd60148) at ./oxygenwidgetstateengine.moc:73
#23 0xb6d8ac9a in QMetaObject::metacall (object=0x993aad0, cl=16777221, idx=4, argv=0xbfd60148) at kernel/qmetaobject.cpp:237
#24 0xb6d993d5 in QMetaObject::activate (sender=0xab16aa8, m=0xb6e94250, local_signal_index=0, argv=0xbfd60148) at kernel/qobject.cpp:3293
#25 0xb6d997d3 in QObject::destroyed (this=0xab16aa8, _t1=0xab16aa8) at .moc/release-shared/moc_qobject.cpp:149
#26 0xb6d9bf9a in ~QObject (this=0xab16aa8, __in_chrg=<value optimized out>) at kernel/qobject.cpp:869
#27 0xb633b476 in ~QWidget (this=0xab16aa8, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:1485
#28 0xb6a07072 in ~QToolBarSeparator (this=0xab16aa8, __in_chrg=<value optimized out>) at .moc/release-shared/../../widgets/qtoolbarseparator_p.h:66
#29 0xb6d94d65 in qDeleteInEventHandler (o=0xb6e900f4) at kernel/qobject.cpp:3998
#30 0xb6d96428 in QObject::event (this=0xab16aa8, e=0xff7cff01) at kernel/qobject.cpp:1231
#31 0xb6333326 in QWidget::event (this=0xab16aa8, event=0xa6d6e48) at kernel/qwidget.cpp:8455
#32 0xb62d54dc in QApplicationPrivate::notify_helper (this=0x990b880, receiver=0xab16aa8, e=0xa6d6e48) at kernel/qapplication.cpp:4300
#33 0xb62dc0f9 in QApplication::notify (this=0xbfd60bf4, receiver=0xab16aa8, e=0xa6d6e48) at kernel/qapplication.cpp:4265
#34 0xb72d6ffa in KApplication::notify (this=0xbfd60bf4, receiver=0xab16aa8, event=0xa6d6e48) at ../../kdeui/kernel/kapplication.cpp:302
#35 0xb6d85a3b in QCoreApplication::notifyInternal (this=0xbfd60bf4, receiver=0xab16aa8, event=0xa6d6e48) at kernel/qcoreapplication.cpp:704
#36 0xb6d88473 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x98e44e0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#37 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x98e44e0) at kernel/qcoreapplication.cpp:1345
#38 0xb6d885dd in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1238
#39 0xb6db1adf in QCoreApplication::sendPostedEvents (s=0x990d310) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#40 postEventSourceDispatch (s=0x990d310) at kernel/qeventdispatcher_glib.cpp:276
#41 0xb41f25e5 in g_main_dispatch (context=0x990d290) at /build/buildd/glib2.0-2.24.1/glib/gmain.c:1960
#42 IA__g_main_context_dispatch (context=0x990d290) at /build/buildd/glib2.0-2.24.1/glib/gmain.c:2513
#43 0xb41f62d8 in g_main_context_iterate (context=0x990d290, block=<value optimized out>, dispatch=1, self=0x990b440) at /build/buildd/glib2.0-2.24.1/glib/gmain.c:2591
#44 0xb41f64b8 in IA__g_main_context_iteration (context=0x990d290, may_block=1) at /build/buildd/glib2.0-2.24.1/glib/gmain.c:2654
#45 0xb6db15d5 in QEventDispatcherGlib::processEvents (this=0x98e4070, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#46 0xb6395135 in QGuiEventDispatcherGlib::processEvents (this=0x98e4070, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#47 0xb6d84059 in QEventLoop::processEvents (this=0xbfd60b54, flags=) at kernel/qeventloop.cpp:149
#48 0xb6d844aa in QEventLoop::exec (this=0xbfd60b54, flags=...) at kernel/qeventloop.cpp:201
#49 0xb6d8869f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#50 0xb62d5577 in QApplication::exec () at kernel/qapplication.cpp:3579
#51 0x0804b472 in main (argc=1, argv=0xbfd60e14) at ../../../kontact/src/main.cpp:224

Reported using DrKonqi