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 2.6.32-trunk-amd64 x86_64
Distribution: Debian GNU/Linux testing (squeeze)

What I was doing when the application crashed:
Upgrading my Debian Squeeze installation via Aptitude. Upon restart of the computer Plasma crashes on startup; other KDE applications working fine when ran via Alt+F2.

 -- Backtrace:
Application: Plasma-Arbeitsfläche (plasma-desktop), signal: Segmentation fault
The current source language is "auto; currently c".
[Current thread is 1 (Thread 0x7f0b0959d770 (LWP 3905))]

Thread 2 (Thread 0x7f0aeb339910 (LWP 3906)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f0b0601e499 in QWaitConditionPrivate::wait (this=0x126f5a0, mutex=0x126f598, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=0x126f5a0, mutex=0x126f598, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f0b02d703b4 in QHostInfoAgent::run (this=0x126f580) at kernel/qhostinfo.cpp:260
#4  0x00007f0b0601d4a5 in QThreadPrivate::start (arg=0x126f580) at thread/qthread_unix.cpp:188
#5  0x00007f0b0065673a in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007f0b08ea369d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f0b0959d770 (LWP 3905)):
[KCrash Handler]
#5  0x00007f0b0606acbe in QtPrivate::QStringList_contains (that=0x7fffa0697c20, str=..., cs=Qt::CaseSensitive) at tools/qstringlist.cpp:318
#6  0x00007f0aeed9aa76 in QStringList::contains (this=<value optimized out>, device=<value optimized out>) at /usr/include/qt4/QtCore/qstringlist.h:171
#7  HalPower::brightness (this=<value optimized out>, device=<value optimized out>) at ../../../solid/hal/halpower.cpp:395
#8  0x00007f0af0939ca4 in Solid::Control::PowerManager::brightness (device=<value optimized out>) at ../../../../libs/solid/control/powermanager.cpp:198
#9  0x00007f0aef3ea806 in Battery::initExtenderItem (this=0x121b740, item=0x1304290) at ../../../../plasma/applets/battery/battery.cpp:406
#10 0x00007f0b08a920e6 in Plasma::ExtenderPrivate::loadExtenderItems (this=0x1306b60) at ../../plasma/extender.cpp:659
#11 0x00007f0b08a9319d in Extender (this=0x132c280, applet=<value optimized out>) at ../../plasma/extender.cpp:114
#12 0x00007f0b08a5875d in Plasma::Applet::extender (this=0x121b740) at ../../plasma/applet.cpp:688
#13 0x00007f0aef3ede39 in Battery::init (this=0x121b740) at ../../../../plasma/applets/battery/battery.cpp:148
#14 0x00007f0b08a7ea0a in Plasma::Corona::loadLayout (this=0xea7320, configName=<value optimized out>) at ../../plasma/corona.cpp:377
#15 0x00007f0b08a7fab2 in Plasma::Corona::initializeLayout (this=0xea7320, configName=...) at ../../plasma/corona.cpp:324
#16 0x00007f0b09182a36 in PlasmaApp::corona (this=0xe99a00) at ../../../../plasma/shells/desktop/plasmaapp.cpp:574
#17 0x00007f0b09182d08 in PlasmaApp::setupDesktop (this=0xe99a00) at ../../../../plasma/shells/desktop/plasmaapp.cpp:252
#18 0x00007f0b09182f1c in PlasmaApp::qt_metacall (this=0xe99a00, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffa0698e00) at ./plasmaapp.moc:115
#19 0x00007f0b06117df2 in QMetaObject::activate (sender=0xf742d0, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3112
#20 0x00007f0b0611cf5f in QSingleShotTimer::timerEvent (this=0xf742d0) at kernel/qtimer.cpp:298
#21 0x00007f0b06112353 in QObject::event (this=0xf742d0, e=0x131e1a8) at kernel/qobject.cpp:1074
#22 0x00007f0b0684601d in QApplicationPrivate::notify_helper (this=0xea7b80, receiver=0xf742d0, e=0x7fffa06994c0) at kernel/qapplication.cpp:4065
#23 0x00007f0b0684e07a in QApplication::notify (this=0xe99a00, receiver=0xf742d0, e=0x7fffa06994c0) at kernel/qapplication.cpp:4030
#24 0x00007f0b0792ae06 in KApplication::notify (this=0xe99a00, receiver=0xf742d0, event=0x7fffa06994c0) at ../../kdeui/kernel/kapplication.cpp:302
#25 0x00007f0b06102c9c in QCoreApplication::notifyInternal (this=0xe99a00, receiver=0xf742d0, event=0x7fffa06994c0) at kernel/qcoreapplication.cpp:610
#26 0x00007f0b0612f2c6 in QCoreApplication::sendEvent (this=0xeab0e0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#27 QTimerInfoList::activateTimers (this=0xeab0e0) at kernel/qeventdispatcher_unix.cpp:580
#28 0x00007f0b0612b634 in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#29 0x00007f0b008a790e in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#30 0x00007f0b008ab2c8 in ?? () from /lib/libglib-2.0.so.0
#31 0x00007f0b008ab3f0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#32 0x00007f0b0612b39c in QEventDispatcherGlib::processEvents (this=0xe81070, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#33 0x00007f0b068dcf1f in QGuiEventDispatcherGlib::processEvents (this=0x131e190, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#34 0x00007f0b06101562 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#35 0x00007f0b06101934 in QEventLoop::exec (this=0x7fffa0699770, flags=...) at kernel/qeventloop.cpp:201
#36 0x00007f0b06103ba4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#37 0x00007f0b091692af in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/shells/desktop/main.cpp:50
#38 0x00007f0b08df6abd 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=0x7fffa0699a78) at libc-start.c:222
#39 0x0000000000400649 in _start ()
The current source language is "auto; currently asm".
The current source language is "auto; currently c".

This bug may be a duplicate of or related to bug 221567

Reported using DrKonqi