Application that crashed: kontact
Version of the application: 4.3.0 rc2
KDE Version: 4.2.96 (KDE 4.2.96 (KDE 4.3 RC2))
Qt Version: 4.5.0
Operating System: Linux 2.6.28-13-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
+ KDE 4.3 RC2
+ Select a simple entry in the kontact calendar
+ move it with the mouse by one day to the right
+ immediate crash
+ not reproducible

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  0xa6d917b7 in ?? () from /usr/lib/libkorganizerprivate.so.4
#7  0xa6d9aadf in ?? () from /usr/lib/libkorganizerprivate.so.4
#8  0xb66e8bf1 in ?? () from /usr/lib/libQtGui.so.4
#9  0xb66e91db in ?? () from /usr/lib/libQtGui.so.4
#10 0xb66e917d in ?? () from /usr/lib/libQtGui.so.4
#11 0xb66e2b3b in ?? () from /usr/lib/libQtGui.so.4
#12 0xb66e4e54 in ?? () from /usr/lib/libQtGui.so.4
#13 0xb66e671f in QSortFilterProxyModel::qt_metacall () from /usr/lib/libQtGui.so.4
#14 0xa6d9a60a in ?? () from /usr/lib/libkorganizerprivate.so.4
#15 0xb5c10ca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#16 0xb5c11932 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#17 0xb5c4b91f in QAbstractItemModel::rowsInserted () from /usr/lib/libQtCore.so.4
#18 0xb5bf59e3 in QAbstractItemModel::endInsertRows () from /usr/lib/libQtCore.so.4
#19 0xa6d93694 in ?? () from /usr/lib/libkorganizerprivate.so.4
#20 0xa6d93a17 in ?? () from /usr/lib/libkorganizerprivate.so.4
#21 0xa6d94756 in ?? () from /usr/lib/libkorganizerprivate.so.4
#22 0xa6d9ca50 in ?? () from /usr/lib/libkorganizerprivate.so.4
#23 0xa6dbb59e in CalendarView::updateView () from /usr/lib/libkorganizerprivate.so.4
#24 0xa6dbd28d in CalendarView::updateView () from /usr/lib/libkorganizerprivate.so.4
#25 0xa6dbad70 in CalendarView::resourcesChanged () from /usr/lib/libkorganizerprivate.so.4
#26 0xa6dcb26a in CalendarView::qt_metacall () from /usr/lib/libkorganizerprivate.so.4
#27 0xb5c10ca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#28 0xb5c11932 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#29 0xb7306a67 in KCal::Calendar::calendarChanged () from /usr/lib/libkcal.so.4
#30 0xb7306ad5 in KCal::Calendar::qt_metacall () from /usr/lib/libkcal.so.4
#31 0xb736b2fa in KCal::CalendarResources::qt_metacall () from /usr/lib/libkcal.so.4
#32 0xb5c10ca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#33 0xb5c11932 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#34 0xb7359213 in KCal::ResourceCalendar::resourceChanged () from /usr/lib/libkcal.so.4
#35 0xa6c36744 in ?? () from /usr/lib/kde4/kcal_akonadi.so
#36 0xa6c37581 in ?? () from /usr/lib/kde4/kcal_akonadi.so
#37 0xb5c10ca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#38 0xb5c11932 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#39 0xa6c3ec99 in ?? () from /usr/lib/kde4/kcal_akonadi.so
#40 0xa6c3fb66 in ?? () from /usr/lib/kde4/kcal_akonadi.so
#41 0xa6c5786f in ?? () from /usr/lib/kde4/kcal_akonadi.so
#42 0xa6c394ff in ?? () from /usr/lib/kde4/kcal_akonadi.so
#43 0xa6c420af in ?? () from /usr/lib/kde4/kcal_akonadi.so
#44 0xa6c4464a in ?? () from /usr/lib/kde4/kcal_akonadi.so
#45 0xb5c10ca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#46 0xb5c11932 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#47 0xabee7f49 in Akonadi::Monitor::itemChanged () from /usr/lib/libakonadi-kde.so.4
#48 0xabeec4bb in ?? () from /usr/lib/libakonadi-kde.so.4
#49 0xabeecb95 in ?? () from /usr/lib/libakonadi-kde.so.4
#50 0xabee7feb in Akonadi::Monitor::qt_metacall () from /usr/lib/libakonadi-kde.so.4
#51 0xb5c10ca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#52 0xb5c11932 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#53 0xb5e37cb3 in KJob::result () from /usr/lib/libkdecore.so.5
#54 0xb5e38159 in KJob::emitResult () from /usr/lib/libkdecore.so.5
#55 0xabee3cc7 in ?? () from /usr/lib/libakonadi-kde.so.4
#56 0xabf07e7b in ?? () from /usr/lib/libakonadi-kde.so.4
#57 0xabf08bee in Akonadi::Session::qt_metacall () from /usr/lib/libakonadi-kde.so.4
#58 0xb5c10ca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#59 0xb5c11932 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#60 0xb5c4a7b7 in QIODevice::readyRead () from /usr/lib/libQtCore.so.4
#61 0xb5c4a88d in QIODevice::qt_metacall () from /usr/lib/libQtCore.so.4
#62 0xb6a7141a in QLocalSocket::qt_metacall () from /usr/lib/libQtNetwork.so.4
#63 0xb5c10ca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#64 0xb5c11932 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#65 0xb5c4a7b7 in QIODevice::readyRead () from /usr/lib/libQtCore.so.4
#66 0xb6a6b7f2 in ?? () from /usr/lib/libQtNetwork.so.4
#67 0xb6a5877b in ?? () from /usr/lib/libQtNetwork.so.4
#68 0xb6a59ad6 in ?? () from /usr/lib/libQtNetwork.so.4
#69 0xb60dbe9c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#70 0xb60e419e in QApplication::notify () from /usr/lib/libQtGui.so.4
#71 0xb6d024dd in KApplication::notify () from /usr/lib/libkdeui.so.5
#72 0xb5bfaa3b in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#73 0xb5c266ca in ?? () from /usr/lib/libQtCore.so.4
#74 0xb4cbfb88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#75 0xb4cc30eb in ?? () from /usr/lib/libglib-2.0.so.0
#76 0xb4cc3268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#77 0xb5c26438 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#78 0xb617d365 in ?? () from /usr/lib/libQtGui.so.4
#79 0xb5bf906a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#80 0xb5bf94aa in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#81 0xb5bfb959 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#82 0xb60dbd17 in QApplication::exec () from /usr/lib/libQtGui.so.4
#83 0x0804bfef in _start ()

Reported using DrKonqi