Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.90 (KDE 4.2.90 (KDE 4.3 Beta2))
Qt Version: 4.5.0
Operating System: Linux 2.6.28-11-generic x86_64
Distribution: Ubuntu 9.04

 -- Backtrace:
Application: Plasma Workspace (kdeinit), signal: Segmentation fault
[Current thread is 0 (LWP 3593)]

Thread 2 (Thread 0x7f18b501a950 (LWP 3595)):
#0  0x00007f18d45f52e9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f18d8770939 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#2  0x00007f18d75ed4cc in ?? () from /usr/lib/libQtNetwork.so.4
#3  0x00007f18d876f952 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007f18d45f13ba in start_thread () from /lib/libpthread.so.0
#5  0x00007f18d51d5fcd in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f18d8d38750 (LWP 3593)):
[KCrash Handler]
#5  0x00007f18d5170c40 in strlen () from /lib/libc.so.6
#6  0x00007f18d8861318 in QMetaObject::invokeMethod () from /usr/lib/libQtCore.so.4
#7  0x00007f18d0101033 in Plasma::Animator::timerEvent () from /usr/lib/libplasma.so.3
#8  0x00007f18d88684d3 in QObject::event () from /usr/lib/libQtCore.so.4
#9  0x00007f18d5de278d in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#10 0x00007f18d5dea97a in QApplication::notify () from /usr/lib/libQtGui.so.4
#11 0x00007f18d6f2506b in KApplication::notify () from /usr/lib/libkdeui.so.5
#12 0x00007f18d885875c in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#13 0x00007f18d88857f6 in ?? () from /usr/lib/libQtCore.so.4
#14 0x00007f18d8881f0d in ?? () from /usr/lib/libQtCore.so.4
#15 0x00007f18d484020a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#16 0x00007f18d48438e0 in ?? () from /usr/lib/libglib-2.0.so.0
#17 0x00007f18d4843a7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#18 0x00007f18d8881e6f in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#19 0x00007f18d5e7abef in ?? () from /usr/lib/libQtGui.so.4
#20 0x00007f18d8857002 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#21 0x00007f18d88573cd in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#22 0x00007f18d8859694 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#23 0x00007f18cc7307eb in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#24 0x000000000040714e in _start ()

Reported using DrKonqi