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 2.6.31.12-174.2.3.fc12.i686.PAE i686

What I was doing when the application crashed:
Crash occured while browsing internet.   No idea on specific actions that might have caused it. I was browsing the CNN web page using Firefox.  Several tabs were opened.  Fresh install 01/26/2010.  Adobe Flashplayer pluging was installed via web on 01/27.  All other packages installed from Fedora Core 12 DVD.  Computer is a Dell Optiplex Gx 270. 

 -- Backtrace:
Application: KDE Daemon (kded4), signal: Segmentation fault
[KCrash Handler]
#6  0x06c30908 in QMutex::lock() () from /usr/lib/libQtCore.so.4
#7  0x06d269d5 in QCoreApplication::postEvent(QObject*, QEvent*, int) () from /usr/lib/libQtCore.so.4
#8  0x06d26cdd in QCoreApplication::postEvent(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#9  0x06d36405 in QObject::deleteLater() () from /usr/lib/libQtCore.so.4
#10 0x0397ab1f in PackageKit::ClientPrivate::serviceOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib/libpackagekit-qt.so.12
#11 0x0397c113 in PackageKit::ClientPrivate::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libpackagekit-qt.so.12
#12 0x06d3cc0c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#13 0x06d3d843 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#14 0x00377f10 in QDBusConnectionInterface::serviceOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib/libQtDBus.so.4
#15 0x0037826b in QDBusConnectionInterface::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtDBus.so.4
#16 0x06d3cc0c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#17 0x06d3d843 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#18 0x00377db0 in QDBusConnectionInterface::NameOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib/libQtDBus.so.4
#19 0x003782fb in QDBusConnectionInterface::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtDBus.so.4
#20 0x003415fc in ?? () from /usr/lib/libQtDBus.so.4
#21 0x00349568 in ?? () from /usr/lib/libQtDBus.so.4
#22 0x06d36f96 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#23 0x030a0b24 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#24 0x030a8281 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#25 0x00ec607b in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#26 0x06d26d73 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#27 0x06d27972 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#28 0x06d27b2e in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#29 0x06d51f40 in ?? () from /usr/lib/libQtCore.so.4
#30 0x084ff128 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#31 0x08502a58 in ?? () from /lib/libglib-2.0.so.0
#32 0x08502b84 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#33 0x06d51b6d in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#34 0x03140356 in ?? () from /usr/lib/libQtGui.so.4
#35 0x06d252aa in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#36 0x06d2570a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#37 0x06d27bf7 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#38 0x030a09a8 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#39 0x009a6815 in kdemain () from /usr/lib/libkdeinit4_kded4.so
#40 0x0804868c in _start ()

Reported using DrKonqi