Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-14-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
when cairo dock used

 -- Backtrace:
Application: Рабочее пространство Plasma (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fe522943750 (LWP 1738))]

Thread 5 (Thread 0x7fe502e09910 (LWP 1741)):
#0  0x00007fe51f0f95a9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007fe52237f4fb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007fe51e7b678c in ?? () from /usr/lib/libQtNetwork.so.4
#3  0x00007fe52237e445 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007fe51f0f4a04 in start_thread () from /lib/libpthread.so.0
#5  0x00007fe51fcd47bd in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fe4f4aac910 (LWP 4352)):
#0  0x00007fe51f0f982d in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007fe4f0239c91 in ?? () from /usr/lib/libxine.so.1
#2  0x00007fe51f0f4a04 in start_thread () from /lib/libpthread.so.0
#3  0x00007fe51fcd47bd in clone () from /lib/libc.so.6
#4  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fe4f15e6910 (LWP 4353)):
#0  0x00007fe51fcc8373 in poll () from /lib/libc.so.6
#1  0x00007fe51f34936c in ?? () from /lib/libglib-2.0.so.0
#2  0x00007fe51f3496b0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007fe52248d1fe in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#4  0x00007fe522463532 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#5  0x00007fe522463904 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0x00007fe52237b6cb in QThread::exec() () from /usr/lib/libQtCore.so.4
#7  0x00007fe4f049456e in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#8  0x00007fe52237e445 in ?? () from /usr/lib/libQtCore.so.4
#9  0x00007fe51f0f4a04 in start_thread () from /lib/libpthread.so.0
#10 0x00007fe51fcd47bd in clone () from /lib/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fe4e9085910 (LWP 4358)):
#0  0x00007fe51f0f982d in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007fe4f0239c91 in ?? () from /usr/lib/libxine.so.1
#2  0x00007fe51f0f4a04 in start_thread () from /lib/libpthread.so.0
#3  0x00007fe51fcd47bd in clone () from /lib/libc.so.6
#4  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe522943750 (LWP 1738)):
[KCrash Handler]
#5  0x00007fe520995484 in QGraphicsItem::isWidget() const () from /usr/lib/libQtGui.so.4
#6  0x00007fe520997b89 in QGraphicsItem::isWindow() const () from /usr/lib/libQtGui.so.4
#7  0x00007fe5209cb269 in QGraphicsScene::event(QEvent*) () from /usr/lib/libQtGui.so.4
#8  0x00007fe520414efc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#9  0x00007fe52041c1ce in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#10 0x00007fe52104bab6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#11 0x00007fe522464c2c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#12 0x00007fe5209dc9f6 in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#13 0x00007fe522463f47 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#14 0x00007fe520414ecc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#15 0x00007fe52041c1ce in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#16 0x00007fe52104bab6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#17 0x00007fe522464c2c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#18 0x00007fe520463b6b in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#19 0x00007fe5207bf2a6 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#20 0x00007fe52084ebc9 in QAbstractScrollArea::event(QEvent*) () from /usr/lib/libQtGui.so.4
#21 0x00007fe520414efc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#22 0x00007fe52041c1ce in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#23 0x00007fe52104bab6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#24 0x00007fe522464c2c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#25 0x00007fe52041f55b in QApplication::setActiveWindow(QWidget*) () from /usr/lib/libQtGui.so.4
#26 0x00007fe520480b9e in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#27 0x00007fe5204a9d0c in ?? () from /usr/lib/libQtGui.so.4
#28 0x00007fe51f345bbe in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#29 0x00007fe51f349588 in ?? () from /lib/libglib-2.0.so.0
#30 0x00007fe51f3496b0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#31 0x00007fe52248d1a6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#32 0x00007fe5204a94be in ?? () from /usr/lib/libQtGui.so.4
#33 0x00007fe522463532 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#34 0x00007fe522463904 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#35 0x00007fe522465ab9 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#36 0x00007fe517bd14cf in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#37 0x0000000000406da8 in _start ()

Reported using DrKonqi