Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.3
Operating System: Linux 2.6.31.5-127.fc12.i686.PAE i686

What I was doing when the application crashed:
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 -- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb78047a0 (LWP 1719))]

Thread 2 (Thread 0xac6a0b70 (LWP 1720)):
#0  0x004ff424 in __kernel_vsyscall ()
#1  0x00983c45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x06300e5f in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#3  0x0018a262 in ?? () from /usr/lib/libQtNetwork.so.4
#4  0x062ffde3 in ?? () from /usr/lib/libQtCore.so.4
#5  0x0097fab5 in start_thread () from /lib/libpthread.so.0
#6  0x008d683e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb78047a0 (LWP 1719)):
[KCrash Handler]
#6  0x0150e2ea in QGraphicsItem::isWidget() const () from /usr/lib/libQtGui.so.4
#7  0x01511213 in QGraphicsItem::isWindow() const () from /usr/lib/libQtGui.so.4
#8  0x015474ff in QGraphicsScene::event(QEvent*) () from /usr/lib/libQtGui.so.4
#9  0x00f0bb24 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#10 0x00f13281 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#11 0x046e552b in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#12 0x063f0d73 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#13 0x015587e7 in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#14 0x013aea25 in ?? () from /usr/lib/libQtGui.so.4
#15 0x063efe8a in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#16 0x00f0bafd in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#17 0x00f131cd in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#18 0x046e552b in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#19 0x063f0d73 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#20 0x00f6082d in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#21 0x0130dd74 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#22 0x013acf02 in QAbstractScrollArea::event(QEvent*) () from /usr/lib/libQtGui.so.4
#23 0x015585f7 in QGraphicsView::event(QEvent*) () from /usr/lib/libQtGui.so.4
#24 0x00f0bb24 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#25 0x00f131cd in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#26 0x046e552b in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#27 0x063f0d73 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#28 0x00f6082d in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#29 0x06fe5644 in Plasma::Dialog::event(QEvent*) () from /usr/lib/libplasma.so.3
#30 0x00f0bb24 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#31 0x00f131cd in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#32 0x046e552b in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#33 0x063f0d73 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#34 0x00f16916 in QApplication::setActiveWindow(QWidget*) () from /usr/lib/libQtGui.so.4
#35 0x00f802a7 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#36 0x00fabc92 in ?? () from /usr/lib/libQtGui.so.4
#37 0x00d2a118 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#38 0x00d2da48 in ?? () from /lib/libglib-2.0.so.0
#39 0x00d2db74 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#40 0x0641bb6d in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#41 0x00fab356 in ?? () from /usr/lib/libQtGui.so.4
#42 0x063ef2aa in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#43 0x063ef70a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#44 0x063f1bf7 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#45 0x00f0b9a8 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#46 0x04ef760a in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#47 0x080486fc in _start ()

Reported using DrKonqi