Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.96 (KDE 4.2.96 (KDE 4.3 RC2))
Qt Version: 4.5.2
Operating System: Linux 2.6.30-ARCH i686

 -- Backtrace:
Application: Plasma-Arbeitsfläche (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 4399)]

Thread 3 (Thread 0xa8159b70 (LWP 4403)):
#0  0xb8064424 in __kernel_vsyscall ()
#1  0xb7dffbc5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb7e5e037 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#3  0xb6620aa2 in ?? () from /usr/lib/libQtNetwork.so.4
#4  0xb7e5d022 in ?? () from /usr/lib/libQtCore.so.4
#5  0xb7dfb68c in start_thread () from /lib/libpthread.so.0
#6  0xb689de2e in clone () from /lib/libc.so.6

Thread 2 (Thread 0xa77ffb70 (LWP 4404)):
#0  0xb8064424 in __kernel_vsyscall ()
#1  0xb7dffef2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb7e5ca21 in ?? () from /usr/lib/libQtCore.so.4
#3  0xb7e5cb63 in QThread::msleep () from /usr/lib/libQtCore.so.4
#4  0xa81d5f83 in Update_Thread::run () from /usr/lib/kde4/plasma_applet_cwp.so
#5  0xb7e5d022 in ?? () from /usr/lib/libQtCore.so.4
#6  0xb7dfb68c in start_thread () from /lib/libpthread.so.0
#7  0xb689de2e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb5e91710 (LWP 4399)):
[KCrash Handler]
#6  0xa4fa20c0 in QHash<QString, KSGRD::SensorAgent*>::findNode () from /usr/lib/libksgrd.so.4
#7  0xa4f9cc17 in KSGRD::SensorManager::sendRequest () from /usr/lib/libksgrd.so.4
#8  0xa4fd0eb4 in SystemMonitorEngine::updateSourceEvent () from /usr/lib/kde4/plasma_engine_systemmonitor.so
#9  0xb5b33d96 in Plasma::DataEnginePrivate::internalUpdateSource () from /usr/lib/libplasma.so.3
#10 0xb5b3564f in Plasma::DataEngine::qt_metacall () from /usr/lib/libplasma.so.3
#11 0xa4fd0aba in SystemMonitorEngine::qt_metacall () from /usr/lib/kde4/plasma_engine_systemmonitor.so
#12 0xb7f618bc in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#13 0xb7f624f2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#14 0xb5b31943 in Plasma::DataContainer::updateRequested () from /usr/lib/libplasma.so.3
#15 0xb5b60680 in Plasma::SignalRelay::timerEvent () from /usr/lib/libplasma.so.3
#16 0xb7f5ba6f in QObject::event () from /usr/lib/libQtCore.so.4
#17 0xb6b28674 in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#18 0xb6b2fd5c in QApplication::notify () from /usr/lib/libQtGui.so.4
#19 0xb7568f0a in KApplication::notify () from /usr/lib/libkdeui.so.5
#20 0xb7f4bedb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#21 0xb7f7964e in ?? () from /usr/lib/libQtCore.so.4
#22 0xb7f76630 in ?? () from /usr/lib/libQtCore.so.4
#23 0xb6732d98 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#24 0xb67363e0 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#25 0xb6736513 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#26 0xb7f7657c in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#27 0xb6bc6475 in ?? () from /usr/lib/libQtGui.so.4
#28 0xb7f4a489 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#29 0xb7f4a8da in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#30 0xb7f4cd4f in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#31 0xb6b284f7 in QApplication::exec () from /usr/lib/libQtGui.so.4
#32 0xb3977b0d in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#33 0x0804de42 in _start ()

Reported using DrKonqi