Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.3
Operating System: Linux 2.6.32.7 x86_64
Distribution: Debian GNU/Linux testing (squeeze)

What I was doing when the application crashed:
Application crushed when was started. Need to investigate and fix

 -- Backtrace:
Application: Рабочее пространство Plasma (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f2e6bfb1750 (LWP 6466))]

Thread 2 (Thread 0x7f2e46948910 (LWP 6485)):
#0  0x00007f2e68729f89 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f2e6b9fb499 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007f2e67de93b4 in ?? () from /usr/lib/libQtNetwork.so.4
#3  0x00007f2e6b9fa4a5 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007f2e6872573a in start_thread () from /lib/libpthread.so.0
#5  0x00007f2e692ef69d in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f2e6bfb1750 (LWP 6466)):
[KCrash Handler]
#5  0x00007f2e69fefd94 in QGraphicsItem::isWidget() const () from /usr/lib/libQtGui.so.4
#6  0x00007f2e69ff24f9 in QGraphicsItem::isWindow() const () from /usr/lib/libQtGui.so.4
#7  0x00007f2e6a028969 in QGraphicsScene::event(QEvent*) () from /usr/lib/libQtGui.so.4
#8  0x00007f2e69a6001d in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#9  0x00007f2e69a6807a in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#10 0x00007f2e6a6b7e06 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#11 0x00007f2e6badfc9c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#12 0x00007f2e6a038eb6 in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#13 0x00007f2e6badefb8 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#14 0x00007f2e69a5ffec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#15 0x00007f2e69a6807a in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#16 0x00007f2e6a6b7e06 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#17 0x00007f2e6badfc9c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#18 0x00007f2e69ab04ea in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#19 0x00007f2e69e1892b in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#20 0x00007f2e69ea7c09 in QAbstractScrollArea::event(QEvent*) () from /usr/lib/libQtGui.so.4
#21 0x00007f2e69a6001d in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#22 0x00007f2e69a6807a in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#23 0x00007f2e6a6b7e06 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#24 0x00007f2e6badfc9c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#25 0x00007f2e69a66bf5 in QApplication::setActiveWindow(QWidget*) () from /usr/lib/libQtGui.so.4
#26 0x00007f2e69acf721 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#27 0x00007f2e69af776c in ?? () from /usr/lib/libQtGui.so.4
#28 0x00007f2e6897690e in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#29 0x00007f2e6897a2c8 in ?? () from /lib/libglib-2.0.so.0
#30 0x00007f2e6897a3f0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#31 0x00007f2e6bb0839c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#32 0x00007f2e69af6f1f in ?? () from /usr/lib/libQtGui.so.4
#33 0x00007f2e6bade562 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#34 0x00007f2e6bade934 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#35 0x00007f2e6bae0ba4 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#36 0x00007f2e603562af in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#37 0x0000000000406e9e in _start ()

Reported using DrKonqi