Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.90 (KDE 4.2.90 (KDE 4.3 Beta2)) "release 138"
Qt Version: 4.5.1
Operating System: Linux 2.6.27.23-0.1-pae i686

What I was doing when the application crashed:
crash on close app - kaffeine triggers plasma crash

 -- Backtrace:
Application: Plasma Workspace (kdeinit), signal: Aborted
[KCrash Handler]
#6  0xffffe430 in __kernel_vsyscall ()
#7  0xb64a8990 in raise () from /lib/libc.so.6
#8  0xb64aa2c8 in abort () from /lib/libc.so.6
#9  0xb64ea683 in ?? () from /lib/libc.so.6
#10 0xb64ebedb in free () from /lib/libc.so.6
#11 0xb66d73c1 in operator delete(void*) () from /usr/lib/libstdc++.so.6
#12 0xb66d741d in operator delete[](void*) () from /usr/lib/libstdc++.so.6
#13 0xb5bd5232 in Plasma::Animator::timerEvent(QTimerEvent*) () from /usr/lib/libplasma.so.3
#14 0xb7ea326f in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#15 0xb683269c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#16 0xb683a99e in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#17 0xb7350b9d in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#18 0xb7e92adb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#19 0xb7ec2176 in ?? () from /usr/lib/libQtCore.so.4
#20 0xb7ebe600 in ?? () from /usr/lib/libQtCore.so.4
#21 0xb63ccd88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#22 0xb63d02fb in ?? () from /usr/lib/libglib-2.0.so.0
#23 0xb63d0478 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#24 0xb7ebe558 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#25 0xb68d2975 in ?? () from /usr/lib/libQtGui.so.4
#26 0xb7e910fa in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#27 0xb7e9153a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#28 0xb7e939e9 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#29 0xb6832517 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#30 0xb48c3e50 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#31 0x0804e2b0 in _start ()

Reported using DrKonqi