Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.00 (KDE 4.3.0)
Qt Version: 4.5.2
Operating System: Linux 2.6.30.5-43.fc11.i686.PAE i686
Distribution: "Fedora release 11 (Leonidas)"

What I was doing when the application crashed:
When I tried to maximize Totem media player KDE crashed. Totem was playing a song at that time.

 -- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb80387a0 (LWP 2360))]

Thread 2 (Thread 0xacdf7b70 (LWP 2361)):
#0  0x00ec4424 in __kernel_vsyscall ()
#1  0x0079afa5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x02dee337 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#3  0x0304e4d2 in ?? () from /usr/lib/libQtNetwork.so.4
#4  0x02ded2f2 in ?? () from /usr/lib/libQtCore.so.4
#5  0x00796935 in start_thread () from /lib/libpthread.so.0
#6  0x006cb94e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb80387a0 (LWP 2360)):
[KCrash Handler]
#6  0x06a8502a in QGraphicsItem::isWidget() const () from /usr/lib/libQtGui.so.4
#7  0x06abe4e7 in QGraphicsScene::event(QEvent*) () from /usr/lib/libQtGui.so.4
#8  0x06483974 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#9  0x0648b0e9 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#10 0x05f79a7a in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#11 0x02eddb0b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#12 0x06acf637 in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#13 0x06927bb5 in ?? () from /usr/lib/libQtGui.so.4
#14 0x02edcc9a in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#15 0x0648394c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#16 0x0648b03a in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#17 0x05f79a7a in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#18 0x02eddb0b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#19 0x064d865d in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#20 0x06886463 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#21 0x069260ab in QAbstractScrollArea::event(QEvent*) () from /usr/lib/libQtGui.so.4
#22 0x06acf446 in QGraphicsView::event(QEvent*) () from /usr/lib/libQtGui.so.4
#23 0x06483974 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#24 0x0648b03a in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#25 0x05f79a7a in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#26 0x02eddb0b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#27 0x0648e856 in QApplication::setActiveWindow(QWidget*) () from /usr/lib/libQtGui.so.4
#28 0x064f7e0f in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#29 0x065235d2 in ?? () from /usr/lib/libQtGui.so.4
#30 0x00988cf8 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#31 0x0098c370 in ?? () from /lib/libglib-2.0.so.0
#32 0x0098c4a3 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#33 0x02f085ec in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#34 0x06522cb5 in ?? () from /usr/lib/libQtGui.so.4
#35 0x02edc0d9 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#36 0x02edc52a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#37 0x02ede9af in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#38 0x064837f7 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#39 0x059f73bd in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#40 0x080486fb in _start ()

Reported using DrKonqi