Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.3
Operating System: Linux 2.6.30-2-686 i686
Distribution: Debian GNU/Linux testing (squeeze)

What I was doing when the application crashed:
When I log in, I see the splash screen and next the bug handler because of a plasma-crash. If I try to start plasma-desktop from the console, it also crashes.

 -- Backtrace:
Application: Plasma-Arbeitsfläche (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb3dbf720 (LWP 3863))]

Thread 2 (Thread 0xa857ab70 (LWP 3864)):
#0  0xb7eee424 in __kernel_vsyscall ()
#1  0xb4e840a5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0
#2  0xb7df582d in pthread_cond_wait () from /lib/i686/cmov/libc.so.6
#3  0xb67035c2 in QWaitConditionPrivate::wait (this=0xa25d380, mutex=0xa25d37c, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0xa25d380, mutex=0xa25d37c, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0xb515aa9a in QHostInfoAgent::run (this=0xa25d370) at kernel/qhostinfo.cpp:260
#6  0xb67025e2 in QThreadPrivate::start (arg=0xa25d370) at thread/qthread_unix.cpp:188
#7  0xb4e80585 in start_thread () from /lib/i686/cmov/libpthread.so.0
#8  0xb7de82be in clone () from /lib/i686/cmov/libc.so.6

Thread 1 (Thread 0xb3dbf720 (LWP 3863)):
[KCrash Handler]
#6  0xb6754417 in QtPrivate::QStringList_contains (that=0xbf9088e8, str=..., cs=Qt::CaseSensitive) at tools/qstringlist.cpp:318
#7  0xa85a0914 in HalPower::brightness(QString const&) () from /usr/lib/kde4/solid_hal_power.so
#8  0xa8660d04 in Solid::Control::PowerManager::brightness(QString const&) () from /usr/lib/libsolidcontrol.so.4
#9  0xa860287d in ?? () from /usr/lib/kde4/plasma_applet_battery.so
#10 0xb7be7fe1 in Plasma::ExtenderPrivate::loadExtenderItems (this=0xa5c3cf0) at ../../plasma/extender.cpp:659
#11 0xb7be8e5c in Extender (this=0xa5bc0c8, applet=0xa2eff88) at ../../plasma/extender.cpp:114
#12 0xb7baaa58 in Plasma::Applet::extender (this=0xa2eff88) at ../../plasma/applet.cpp:688
#13 0xa8606361 in ?? () from /usr/lib/kde4/plasma_applet_battery.so
#14 0xb7bd24af in Plasma::Corona::loadLayout (this=0x9e639c0, configName=...) at ../../plasma/corona.cpp:377
#15 0xb7bd3f21 in Plasma::Corona::initializeLayout (this=0x9e639c0, configName=...) at ../../plasma/corona.cpp:324
#16 0xb7eacf76 in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#17 0xb7ead27a in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#18 0xb7ead4d3 in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#19 0xb6808303 in QMetaObject::activate (sender=0x9e5b410, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3112
#20 0xb6808f42 in QMetaObject::activate (sender=0x9e5b410, m=0xb68e3d88, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3186
#21 0xb680e007 in QSingleShotTimer::timeout (this=0x9e5b410) at .moc/release-shared/qtimer.moc:76
#22 0xb680e12c in QSingleShotTimer::timerEvent (this=0x9e5b410) at kernel/qtimer.cpp:298
#23 0xb680339f in QObject::event (this=0x9e5b410, e=0xbf9097cc) at kernel/qobject.cpp:1074
#24 0xb6a9ea94 in QApplicationPrivate::notify_helper (this=0x9da1ec8, receiver=0x9e5b410, e=0xbf9097cc) at kernel/qapplication.cpp:4065
#25 0xb6aa6bee in QApplication::notify (this=0x9d99ed0, receiver=0x9e5b410, e=0xbf9097cc) at kernel/qapplication.cpp:3605
#26 0xb772b62d in KApplication::notify (this=0x9d99ed0, receiver=0x9e5b410, event=0xbf9097cc) at ../../kdeui/kernel/kapplication.cpp:302
#27 0xb67f31eb in QCoreApplication::notifyInternal (this=0x9d99ed0, receiver=0x9e5b410, event=0xbf9097cc) at kernel/qcoreapplication.cpp:610
#28 0xb6821e21 in QCoreApplication::sendEvent (this=0x9da4b74) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#29 QTimerInfoList::activateTimers (this=0x9da4b74) at kernel/qeventdispatcher_unix.cpp:580
#30 0xb681e2e4 in timerSourceDispatch (source=0x9da4b40) at kernel/qeventdispatcher_glib.cpp:184
#31 0xb4ecdf28 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#32 0xb4ed16b3 in ?? () from /lib/libglib-2.0.so.0
#33 0xb4ed1838 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#34 0xb681e041 in QEventDispatcherGlib::processEvents (this=0x9d842d0, flags=...) at kernel/qeventdispatcher_glib.cpp:407
#35 0xb6b3e305 in QGuiEventDispatcherGlib::processEvents (this=0x9d842d0, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#36 0xb67f183a in QEventLoop::processEvents (this=0xbf9099f0, flags=...) at kernel/qeventloop.cpp:149
#37 0xb67f1c82 in QEventLoop::exec (this=0xbf9099f0, flags=...) at kernel/qeventloop.cpp:201
#38 0xb67f40d9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#39 0xb6a9e917 in QApplication::exec () at kernel/qapplication.cpp:3525
#40 0xb7e905cd in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#41 0x080485ab in _start ()

This bug may be a duplicate of or related to bug 221627

Reported using DrKonqi