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.x86_64 x86_64

What I was doing when the application crashed:
even my notebook idle kde4 clash, btw , I was using yum to update the system

 -- Backtrace:
Application: Serviço do KDE (kded4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f25be052840 (LWP 2309))]

Thread 2 (Thread 0x7f25b3516710 (LWP 2636)):
#0  0x000000385b6d51e3 in poll () from /lib64/libc.so.6
#1  0x000000385de3c9fc in ?? () from /lib64/libglib-2.0.so.0
#2  0x000000385de3cd3a in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x0000003866f6723e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#4  0x0000003866f3d772 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#5  0x0000003866f3db44 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#6  0x0000003866e56f2b in QThread::exec() () from /usr/lib64/libQtCore.so.4
#7  0x0000003866f20e68 in ?? () from /usr/lib64/libQtCore.so.4
#8  0x0000003866e59d25 in ?? () from /usr/lib64/libQtCore.so.4
#9  0x000000385be06a3a in start_thread () from /lib64/libpthread.so.0
#10 0x000000385b6de67d in clone () from /lib64/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f25be052840 (LWP 2309)):
[KCrash Handler]
#5  0x0000003866f54d54 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib64/libQtCore.so.4
#6  0x0000003865e21faf in PackageKit::Transaction::finished(PackageKit::Transaction::ExitStatus, unsigned int) () from /usr/lib64/libpackagekit-qt.so.12
#7  0x0000003865e1de39 in PackageKit::ClientPrivate::serviceOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib64/libpackagekit-qt.so.12
#8  0x0000003865e1f288 in PackageKit::ClientPrivate::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libpackagekit-qt.so.12
#9  0x0000003866f5408c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#10 0x00000038680558cf in QDBusConnectionInterface::serviceOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib64/libQtDBus.so.4
#11 0x0000003868055b64 in QDBusConnectionInterface::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libQtDBus.so.4
#12 0x0000003866f5408c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#13 0x00000038680557ff in QDBusConnectionInterface::NameOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib64/libQtDBus.so.4
#14 0x0000003868055bcc in QDBusConnectionInterface::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libQtDBus.so.4
#15 0x0000003868022e84 in ?? () from /usr/lib64/libQtDBus.so.4
#16 0x000000386802a61f in ?? () from /usr/lib64/libQtDBus.so.4
#17 0x0000003866f4e401 in QObject::event(QEvent*) () from /usr/lib64/libQtCore.so.4
#18 0x0000003516b8f65c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#19 0x0000003516b968ce in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#20 0x0000003518011a66 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#21 0x0000003866f3ee6c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#22 0x0000003866f3fa42 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib64/libQtCore.so.4
#23 0x0000003866f67573 in ?? () from /usr/lib64/libQtCore.so.4
#24 0x000000385de3922e in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#25 0x000000385de3cc18 in ?? () from /lib64/libglib-2.0.so.0
#26 0x000000385de3cd3a in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#27 0x0000003866f671e6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#28 0x0000003516c21ffe in ?? () from /usr/lib64/libQtGui.so.4
#29 0x0000003866f3d772 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#30 0x0000003866f3db44 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#31 0x0000003866f3fcd9 in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4
#32 0x000000351560b6eb in kdemain () from /usr/lib64/libkdeinit4_kded4.so
#33 0x000000385b61eb1d in __libc_start_main () from /lib64/libc.so.6
#34 0x0000000000400709 in _start ()

Reported using DrKonqi