Application that crashed: kpackagekitsmarticon
Version of the application: 0.5.2
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.3
Operating System: Linux 2.6.31.9-174.fc12.i686 i686

What I was doing when the application crashed:
after the report the system goes into unknown state

 -- Backtrace:
Application: KPackageKit (kpackagekitsmarticon), signal: Segmentation fault
[KCrash Handler]
#6  0x05ace908 in QMutex::lock() () from /usr/lib/libQtCore.so.4
#7  0x05bc49d5 in QCoreApplication::postEvent(QObject*, QEvent*, int) () from /usr/lib/libQtCore.so.4
#8  0x05bc4cdd in QCoreApplication::postEvent(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#9  0x05bd4405 in QObject::deleteLater() () from /usr/lib/libQtCore.so.4
#10 0x073be66f in PackageKit::ClientPrivate::serviceOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib/libpackagekit-qt.so.12
#11 0x073bfc63 in PackageKit::ClientPrivate::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libpackagekit-qt.so.12
#12 0x05bdac0c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#13 0x05bdb843 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#14 0x003d0350 in QDBusConnectionInterface::serviceOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib/libQtDBus.so.4
#15 0x003d06ab in QDBusConnectionInterface::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtDBus.so.4
#16 0x05bdac0c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#17 0x05bdb843 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#18 0x003d01f0 in QDBusConnectionInterface::NameOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib/libQtDBus.so.4
#19 0x003d073b in QDBusConnectionInterface::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtDBus.so.4
#20 0x00399a3c in ?? () from /usr/lib/libQtDBus.so.4
#21 0x003a19a8 in ?? () from /usr/lib/libQtDBus.so.4
#22 0x05bd4f96 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#23 0x062e8b24 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#24 0x062f0281 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#25 0x06d7807b in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#26 0x05bc4d73 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#27 0x05bc5972 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#28 0x05bc5b2e in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#29 0x05beff40 in ?? () from /usr/lib/libQtCore.so.4
#30 0x0074a128 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#31 0x0074da58 in ?? () from /lib/libglib-2.0.so.0
#32 0x0074db84 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#33 0x05befb6d in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#34 0x06388356 in ?? () from /usr/lib/libQtGui.so.4
#35 0x05bc32aa in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#36 0x05bc370a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#37 0x05bc5bf7 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#38 0x062e89a8 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#39 0x080506a9 in _start ()

Reported using DrKonqi