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 i686

What I was doing when the application crashed:
Dolphin told me there was a Hal problem
I unplugged my external disk trying to solve the problem (my disk is accessible now)
Crash occurs

 -- Backtrace:
Application: Démon de KDE (kded4), signal: Segmentation fault
[KCrash Handler]
#6  0x00148908 in QMutex::lock() () from /usr/lib/libQtCore.so.4
#7  0x0023e9d5 in QCoreApplication::postEvent(QObject*, QEvent*, int) () from /usr/lib/libQtCore.so.4
#8  0x0023ecdd in QCoreApplication::postEvent(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#9  0x0024e405 in QObject::deleteLater() () from /usr/lib/libQtCore.so.4
#10 0x052bab1f in PackageKit::ClientPrivate::serviceOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib/libpackagekit-qt.so.12
#11 0x052bc113 in PackageKit::ClientPrivate::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libpackagekit-qt.so.12
#12 0x00254c0c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#13 0x00255843 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#14 0x049fb350 in QDBusConnectionInterface::serviceOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib/libQtDBus.so.4
#15 0x049fb6ab in QDBusConnectionInterface::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtDBus.so.4
#16 0x00254c0c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#17 0x00255843 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#18 0x049fb1f0 in QDBusConnectionInterface::NameOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib/libQtDBus.so.4
#19 0x049fb73b in QDBusConnectionInterface::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtDBus.so.4
#20 0x049c4a3c in ?? () from /usr/lib/libQtDBus.so.4
#21 0x049cc9a8 in ?? () from /usr/lib/libQtDBus.so.4
#22 0x0024ef96 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#23 0x02127b24 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#24 0x0212f281 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#25 0x06df707b in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#26 0x0023ed73 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#27 0x0023f972 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#28 0x0023fb2e in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#29 0x00269f40 in ?? () from /usr/lib/libQtCore.so.4
#30 0x003c2128 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#31 0x003c5a58 in ?? () from /lib/libglib-2.0.so.0
#32 0x003c5b84 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#33 0x00269b6d in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#34 0x021c7356 in ?? () from /usr/lib/libQtGui.so.4
#35 0x0023d2aa in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#36 0x0023d70a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#37 0x0023fbf7 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#38 0x021279a8 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#39 0x00dd6815 in kdemain () from /usr/lib/libkdeinit4_kded4.so
#40 0x0804868c in _start ()

Reported using DrKonqi