Application that crashed: kded4
Version of the application: $Id: kded.cpp 1031638 2009-10-05 16:59:11Z lunakl $
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.3
Operating System: Linux 2.6.31.9-174.fc12.i686.PAE i686
Distribution: "Fedora release 12 (Constantine)"

What I was doing when the application crashed:
Shortly after attempting to refresh. PackageKit still running. Not sure if repeatable.

 -- Backtrace:
Application: KDE Daemon (kded4), signal: Segmentation fault
[KCrash Handler]
#6  0x027c7861 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#7  0x0309f4fa in PackageKit::Transaction::finished(PackageKit::Transaction::ExitStatus, unsigned int) () from /usr/lib/libpackagekit-qt.so.12
#8  0x0309a667 in PackageKit::ClientPrivate::serviceOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib/libpackagekit-qt.so.12
#9  0x0309bc63 in PackageKit::ClientPrivate::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libpackagekit-qt.so.12
#10 0x027c6c0c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#11 0x027c7843 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#12 0x00a60350 in QDBusConnectionInterface::serviceOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib/libQtDBus.so.4
#13 0x00a606ab in QDBusConnectionInterface::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtDBus.so.4
#14 0x027c6c0c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#15 0x027c7843 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#16 0x00a601f0 in QDBusConnectionInterface::NameOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib/libQtDBus.so.4
#17 0x00a6073b in QDBusConnectionInterface::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtDBus.so.4
#18 0x00a29a3c in ?? () from /usr/lib/libQtDBus.so.4
#19 0x00a319a8 in ?? () from /usr/lib/libQtDBus.so.4
#20 0x027c0f96 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#21 0x0355bb24 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#22 0x03563281 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#23 0x02d1b07b in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#24 0x027b0d73 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#25 0x027b1972 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#26 0x027b1b2e in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#27 0x027dbf40 in ?? () from /usr/lib/libQtCore.so.4
#28 0x00ad5128 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#29 0x00ad8a58 in ?? () from /lib/libglib-2.0.so.0
#30 0x00ad8b84 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#31 0x027dbb6d in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#32 0x035fb356 in ?? () from /usr/lib/libQtGui.so.4
#33 0x027af2aa in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#34 0x027af70a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#35 0x027b1bf7 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#36 0x0355b9a8 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#37 0x00a98815 in kdemain () from /usr/lib/libkdeinit4_kded4.so
#38 0x0804868c in _start ()

Reported using DrKonqi