Application that crashed: kded4
Version of the application: $Id: kded.cpp 944898 2009-03-26 13:01:25Z dfaure $
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-19-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
KDED4 crashed while entering the Login manager in System settings. However, Login manager started normally, System settings window stayed open. No windows closed, only Crash Reporting Assistant popped up.

 -- Backtrace:
Application: KDE Daemon (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#6  Private (this=0xbf9bcc8c, p=...) at ../../include/QtCore/../../src/corelib/kernel/qvariant.h:343
#7  QVariant (this=0xbf9bcc8c, p=...) at kernel/qvariant.cpp:1371
#8  0x007db7b0 in QDBusPendingReplyData::argumentAt (this=0xbf9bcce0, index=0) at qdbuspendingreply.cpp:268
#9  0x01ad0f7f in argumentAt<0> (this=0xa05f348) at /usr/include/qt4/QtDBus/qdbuspendingreply.h:174
#10 QDBusPendingReply<bool, void, void, void, void, void, void, void>::operator bool (this=0xa05f348) at /usr/include/qt4/QtDBus/qdbuspendingreply.h:184
#11 PowerManagementPrivate (this=0xa05f348) at ../../../solid/solid/powermanagement.cpp:37
#12 0x01ad2157 in operator-> () at ../../../solid/solid/powermanagement.cpp:27
#13 Solid::PowerManagement::appShouldConserveResources () at ../../../solid/solid/powermanagement.cpp:58
#14 0x0744164a in ?? () from /usr/lib/kde4/kded_kpackagekitd.so
#15 0x07441cd5 in ?? () from /usr/lib/kde4/kded_kpackagekitd.so
#16 0x074427f5 in ?? () from /usr/lib/kde4/kded_kpackagekitd.so
#17 0x07441543 in ?? () from /usr/lib/kde4/kded_kpackagekitd.so
#18 0x00987263 in QMetaObject::activate (sender=0x9eea730, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#19 0x00987ec2 in QMetaObject::activate (sender=0x9eea730, m=0xa62904, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#20 0x009c1667 in QTimer::timeout (this=0x9eea730) at .moc/release-shared/moc_qtimer.cpp:128
#21 0x0098c9ae in QTimer::timerEvent (this=0x9eea730, e=0xbf9bd3b0) at kernel/qtimer.cpp:261
#22 0x009813bf in QObject::event (this=0x9eea730, e=0xbf9bd3b0) at kernel/qobject.cpp:1075
#23 0x06299f54 in QApplicationPrivate::notify_helper (this=0x9e8d738, receiver=0x9eea730, e=0xbf9bd3b0) at kernel/qapplication.cpp:4056
#24 0x062a167c in QApplication::notify (this=0xbf9bd720, receiver=0x9eea730, e=0xbf9bd3b0) at kernel/qapplication.cpp:3603
#25 0x0117cbfa in KApplication::notify (this=0xbf9bd720, receiver=0x9eea730, event=0xbf9bd3b0) at ../../kdeui/kernel/kapplication.cpp:302
#26 0x009716cb in QCoreApplication::notifyInternal (this=0xbf9bd720, receiver=0x9eea730, event=0xbf9bd3b0) at kernel/qcoreapplication.cpp:610
#27 0x0099e7ce in QCoreApplication::sendEvent (this=0x9e900cc) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#28 QTimerInfoList::activateTimers (this=0x9e900cc) at kernel/qeventdispatcher_unix.cpp:572
#29 0x0099c0e0 in timerSourceDispatch (source=0x9e90098) at kernel/qeventdispatcher_glib.cpp:165
#30 0x00a9de88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#31 0x00aa1730 in ?? () from /lib/libglib-2.0.so.0
#32 0x00aa1863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#33 0x0099c02c in QEventDispatcherGlib::processEvents (this=0x9e46a58, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#34 0x0633abe5 in QGuiEventDispatcherGlib::processEvents (this=0x9e46a58, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#35 0x0096fc79 in QEventLoop::processEvents (this=0xbf9bd674, flags=) at kernel/qeventloop.cpp:149
#36 0x009700ca in QEventLoop::exec (this=0xbf9bd674, flags=...) at kernel/qeventloop.cpp:201
#37 0x0097253f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#38 0x06299dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#39 0x00e64d1e in kdemain (argc=1, argv=0x9e7e210) at ../../kded/kded.cpp:938
#40 0x0804dde1 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x0, reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80511a5 "0") at ../../kinit/kinit.cpp:677
#41 0x0804fce5 in main (argc=2, argv=0xbf9bdc64, envp=0xbf9bdc70) at ../../kinit/kinit.cpp:1740

Reported using DrKonqi