Application that crashed: kontact
Version of the application: 4.3.2
KDE Version: 4.3.1 (KDE 4.3.1) "release 6"
Qt Version: 4.5.3
Operating System: Linux 2.6.31.12-0.1-desktop x86_64
Distribution: "openSUSE 11.2 (x86_64)"

What I was doing when the application crashed:
I've added four remote calendars.
After restarting, kontact immediatly crashes.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f7934b6a750 (LWP 7317))]

Thread 2 (Thread 0x7f7917c4f910 (LWP 7320)):
#0  0x00007f792e71b2cd in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f79333b74a2 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x00007f79333ad5e2 in ?? () from /usr/lib64/libQtCore.so.4
#3  0x00007f79333b6485 in ?? () from /usr/lib64/libQtCore.so.4
#4  0x00007f792e71665d in start_thread () from /lib64/libpthread.so.0
#5  0x00007f7932230e1d in clone () from /lib64/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f7934b6a750 (LWP 7317)):
[KCrash Handler]
#5  0x00007f792f966727 in KCal::IncidenceBase::uid() const () from /usr/lib64/libkcal.so.4
#6  0x00007f792f9e3779 in KCal::ResourceCached::clearChange(KCal::Incidence*) () from /usr/lib64/libkcal.so.4
#7  0x00007f791946ca88 in KCal::ResourceRemote::slotSaveJobResult(KJob*) () from /usr/lib64/libkcal_resourceremote.so.4
#8  0x00007f791946cf3b in KCal::ResourceRemote::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libkcal_resourceremote.so.4
#9  0x00007f79334b0fbc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#10 0x00007f7933879102 in KJob::result(KJob*) () from /usr/lib64/libkdecore.so.5
#11 0x00007f793387947f in KJob::emitResult() () from /usr/lib64/libkdecore.so.5
#12 0x00007f7930dad00b in KIO::FileCopyJob::slotResult(KJob*) () from /usr/lib64/libkio.so.5
#13 0x00007f7930dacb40 in KIO::FileCopyJob::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libkio.so.5
#14 0x00007f79334b0fbc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#15 0x00007f7933879102 in KJob::result(KJob*) () from /usr/lib64/libkdecore.so.5
#16 0x00007f793387947f in KJob::emitResult() () from /usr/lib64/libkdecore.so.5
#17 0x00007f7930da42b3 in KIO::SimpleJob::slotFinished() () from /usr/lib64/libkio.so.5
#18 0x00007f7930da4773 in KIO::TransferJob::slotFinished() () from /usr/lib64/libkio.so.5
#19 0x00007f7930da3081 in KIO::TransferJob::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libkio.so.5
#20 0x00007f79334b0fbc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#21 0x00007f7930e66961 in KIO::SlaveInterface::dispatch(int, QByteArray const&) () from /usr/lib64/libkio.so.5
#22 0x00007f7930e63213 in KIO::SlaveInterface::dispatch() () from /usr/lib64/libkio.so.5
#23 0x00007f7930e55fed in KIO::Slave::gotInput() () from /usr/lib64/libkio.so.5
#24 0x00007f7930e5810c in KIO::Slave::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libkio.so.5
#25 0x00007f79334b0fbc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#26 0x00007f7930d71457 in ?? () from /usr/lib64/libkio.so.5
#27 0x00007f7930d7157d in KIO::Connection::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libkio.so.5
#28 0x00007f79334ab2d9 in QObject::event(QEvent*) () from /usr/lib64/libQtCore.so.4
#29 0x00007f79329672ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#30 0x00007f793296e57e in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#31 0x00007f7933e148d6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#32 0x00007f793349bddc in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#33 0x00007f793349c9ea in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib64/libQtCore.so.4
#34 0x00007f79334c4803 in ?? () from /usr/lib64/libQtCore.so.4
#35 0x00007f792c09cdee in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#36 0x00007f792c0a07b8 in ?? () from /usr/lib64/libglib-2.0.so.0
#37 0x00007f792c0a08e0 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#38 0x00007f79334c43a3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#39 0x00007f79329fa31e in ?? () from /usr/lib64/libQtGui.so.4
#40 0x00007f793349a712 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#41 0x00007f793349aae4 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#42 0x00007f793349cc99 in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4
#43 0x0000000000403f67 in _start ()

Reported using DrKonqi