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
Distribution: "Fedora release 12 (Constantine)"

What I was doing when the application crashed:
unmounted USB memory stick after copying file to it.

 -- Backtrace:
Application: KDE Daemon (kded4), signal: Segmentation fault
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[KCrash Handler]
#5  0x0000003f99754d54 in QMetaObject::activate (sender=0xe34d80, m=<value optimized out>, local_signal_index=11, argv=0x7fff6f9ca9f0) at kernel/qobject.cpp:3182
#6  0x0000003f9b221faf in PackageKit::Transaction::finished(PackageKit::Transaction::ExitStatus, unsigned int) () from /usr/lib64/libpackagekit-qt.so.12
#7  0x0000003f9b21de39 in PackageKit::ClientPrivate::serviceOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib64/libpackagekit-qt.so.12
#8  0x0000003f9b21f288 in PackageKit::ClientPrivate::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libpackagekit-qt.so.12
#9  0x0000003f9975408c in QMetaObject::activate (sender=0xd84860, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x7fff6f9cabd0) at kernel/qobject.cpp:3112
#10 0x0000003f966558cf 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 0x0000003f96655b64 in QDBusConnectionInterface::qt_metacall (this=0xd84860, _c=InvokeMetaMethod, _id=2, _a=0x7fff6f9cae50) at .moc/release-shared/moc_qdbusconnectioninterface.cpp:131
#12 0x0000003f9975408c in QMetaObject::activate (sender=0xd84860, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x7fff6f9cae50) at kernel/qobject.cpp:3112
#13 0x0000003f966557ff 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 0x0000003f96655bcc in QDBusConnectionInterface::qt_metacall (this=0xd84860, _c=InvokeMetaMethod, _id=6, _a=0x7fff6f9cb260) at .moc/release-shared/moc_qdbusconnectioninterface.cpp:135
#15 0x0000003f96622e84 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 0x0000003f9662a61f in QDBusCallDeliveryEvent::placeMetaCall(QObject*) () from /usr/lib64/libQtDBus.so.4
#17 0x0000003f9974e401 in QObject::event (this=0xd84860, e=0xe81370) at kernel/qobject.cpp:1110
#18 0x000000358498f65c in QApplicationPrivate::notify_helper (this=0xb92080, receiver=0xd84860, e=0xe81370) at kernel/qapplication.cpp:4065
#19 0x00000035849968ce in QApplication::notify (this=<value optimized out>, receiver=0xd84860, e=0xe81370) at kernel/qapplication.cpp:4030
#20 0x0000003585a11a66 in KApplication::notify (this=0x7fff6f9cbc00, receiver=0xd84860, event=0xe81370) at /usr/src/debug/kdelibs-4.3.4/kdeui/kernel/kapplication.cpp:302
#21 0x0000003f9973ee6c in QCoreApplication::notifyInternal (this=0x7fff6f9cbc00, receiver=0xd84860, event=0xe81370) at kernel/qcoreapplication.cpp:610
#22 0x0000003f9973fa42 in sendEvent (receiver=0x0, event_type=<value optimized out>, data=0xb71fa0) at kernel/qcoreapplication.h:213
#23 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0xb71fa0) at kernel/qcoreapplication.cpp:1247
#24 0x0000003f99767573 in sendPostedEvents (s=<value optimized out>) at kernel/qcoreapplication.h:218
#25 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:210
#26 0x0000003f9023922e in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#27 0x0000003f9023cc18 in ?? () from /lib64/libglib-2.0.so.0
#28 0x0000003f9023cd3a in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#29 0x0000003f997671e6 in QEventDispatcherGlib::processEvents (this=0xb717b0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#30 0x0000003584a21ffe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#31 0x0000003f9973d772 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#32 0x0000003f9973db44 in QEventLoop::exec (this=0x7fff6f9cbb50, flags=...) at kernel/qeventloop.cpp:201
#33 0x0000003f9973fcd9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#34 0x000000358440b6eb in kdemain (argc=<value optimized out>, argv=<value optimized out>) at /usr/src/debug/kdelibs-4.3.4/kded/kded.cpp:936
#35 0x0000003f8de1eb1d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=<value optimized out>) at libc-start.c:226
#36 0x0000000000400709 in _start ()

Reported using DrKonqi