Application that crashed: kpackagekitsmarticon
Version of the application: 0.5.4
KDE Version: 4.3.5 (KDE 4.3.5)
Qt Version: 4.5.3
Operating System: Linux 2.6.31.12-174.2.3.fc12.x86_64 x86_64

What I was doing when the application crashed:
I was notified there were updates to install. I opened KPackageKit, selected all updates and clicked install. I then went off and did some work and later noticed the Crash Reporting Assistant telling me KPackageKit had crashed.

 -- Backtrace:
Application: KPackageKit (kpackagekitsmarticon), signal: Segmentation fault
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[KCrash Handler]
#5  QMutex::lock (this=0x200000041) at thread/qmutex.cpp:152
#6  0x000000329513eb72 in QCoreApplication::postEvent (receiver=0x24e4e10, event=0x24f6420, priority=0) at kernel/qcoreapplication.cpp:1020
#7  0x0000003298c1de41 in PackageKit::ClientPrivate::serviceOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib64/libpackagekit-qt.so.12
#8  0x0000003298c1f288 in PackageKit::ClientPrivate::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libpackagekit-qt.so.12
#9  0x000000329515408c in QMetaObject::activate (sender=0x24a94a0, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x7fff100a9a30) at kernel/qobject.cpp:3112
#10 0x00000032956558cf in QDBusConnectionInterface::serviceOwnerChanged (this=<value optimized out>, _t1=<value optimized out>, _t2=<value optimized out>, _t3=...)
    at .moc/release-shared/moc_qdbusconnectioninterface.cpp:204
#11 0x0000003295655b64 in QDBusConnectionInterface::qt_metacall (this=0x24a94a0, _c=InvokeMetaMethod, _id=2, _a=0x7fff100a9cb0) at .moc/release-shared/moc_qdbusconnectioninterface.cpp:131
#12 0x000000329515408c in QMetaObject::activate (sender=0x24a94a0, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x7fff100a9cb0) at kernel/qobject.cpp:3112
#13 0x00000032956557ff in QDBusConnectionInterface::NameOwnerChanged (this=<value optimized out>, _t1=<value optimized out>, _t2=<value optimized out>, _t3=...)
    at .moc/release-shared/moc_qdbusconnectioninterface.cpp:232
#14 0x0000003295655bcc in QDBusConnectionInterface::qt_metacall (this=0x24a94a0, _c=InvokeMetaMethod, _id=6, _a=0x7fff100aa0c0) at .moc/release-shared/moc_qdbusconnectioninterface.cpp:135
#15 0x0000003295622e84 in QDBusConnectionPrivate::deliverCall (this=<value optimized out>, object=<value optimized out>, msg=<value optimized out>, metaTypes=..., slotIdx=<value optimized out>)
    at qdbusintegrator.cpp:891
#16 0x000000329562a61f in QDBusCallDeliveryEvent::placeMetaCall(QObject*) () from /usr/lib64/libQtDBus.so.4
#17 0x000000329514e401 in QObject::event (this=0x24a94a0, e=0x23eb010) at kernel/qobject.cpp:1110
#18 0x000000329658f65c in QApplicationPrivate::notify_helper (this=0x23f7bd0, receiver=0x24a94a0, e=0x23eb010) at kernel/qapplication.cpp:4065
#19 0x00000032965968ce in QApplication::notify (this=<value optimized out>, receiver=0x24a94a0, e=0x23eb010) at kernel/qapplication.cpp:4030
#20 0x0000003297df68e6 in KApplication::notify (this=0x7fff100aaa60, receiver=0x24a94a0, event=0x23eb010) at /usr/src/debug/kdelibs-4.3.5/kdeui/kernel/kapplication.cpp:302
#21 0x000000329513ee6c in QCoreApplication::notifyInternal (this=0x7fff100aaa60, receiver=0x24a94a0, event=0x23eb010) at kernel/qcoreapplication.cpp:610
#22 0x000000329513fa42 in sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x23d3710) at kernel/qcoreapplication.h:213
#23 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x23d3710) at kernel/qcoreapplication.cpp:1247
#24 0x0000003295167573 in sendPostedEvents (s=<value optimized out>) at kernel/qcoreapplication.h:218
#25 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:210
#26 0x000000329203920e in g_main_dispatch (context=0x23fa120) at gmain.c:1960
#27 IA__g_main_context_dispatch (context=0x23fa120) at gmain.c:2513
#28 0x000000329203cbf8 in g_main_context_iterate (context=0x23fa120, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2591
#29 0x000000329203cd1a in IA__g_main_context_iteration (context=0x23fa120, may_block=1) at gmain.c:2654
#30 0x00000032951671e6 in QEventDispatcherGlib::processEvents (this=0x23d2f20, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#31 0x0000003296621ffe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#32 0x000000329513d772 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#33 0x000000329513db44 in QEventLoop::exec (this=0x7fff100aa9b0, flags=...) at kernel/qeventloop.cpp:201
#34 0x000000329513fcd9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#35 0x000000000040a9eb in _start ()

This bug may be a duplicate of or related to bug 221423

Reported using DrKonqi