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:
nao entendi

 -- Backtrace:
Application: Espaço de trabalho do Plasma (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f19606e0750 (LWP 1694))]

Thread 2 (Thread 0x7f1940151910 (LWP 1696)):
#0  0x00007f195ce8b5a9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f19601114fb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007f195c54878c in ?? () from /usr/lib/libQtNetwork.so.4
#3  0x00007f1960110445 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007f195ce86a04 in start_thread () from /lib/libpthread.so.0
#5  0x00007f195da667bd in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f19606e0750 (LWP 1694)):
[KCrash Handler]
#5  0x00007f1957d2c694 in Plasma::ExtenderItem::group() const () from /usr/lib/libplasma.so.3
#6  0x00007f1957d2aea8 in Plasma::ExtenderGroup::items() const () from /usr/lib/libplasma.so.3
#7  0x00007f1943272eb9 in ?? () from /usr/lib/kde4/plasma_applet_systemtray.so
#8  0x00007f194327837c in ?? () from /usr/lib/kde4/plasma_applet_systemtray.so
#9  0x00007f196020bddc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#10 0x00007f195e1a10a7 in QAction::triggered(bool) () from /usr/lib/libQtGui.so.4
#11 0x00007f195e1a24ef in QAction::activate(QAction::ActionEvent) () from /usr/lib/libQtGui.so.4
#12 0x00007f195e1a5252 in QAction::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtGui.so.4
#13 0x00007f196020bddc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#14 0x00007f1957d86358 in Plasma::IconWidget::mouseReleaseEvent(QGraphicsSceneMouseEvent*) () from /usr/lib/libplasma.so.3
#15 0x00007f195e72d0e9 in QGraphicsItem::sceneEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#16 0x00007f195e752bc9 in ?? () from /usr/lib/libQtGui.so.4
#17 0x00007f195e75b0d5 in QGraphicsScene::mouseReleaseEvent(QGraphicsSceneMouseEvent*) () from /usr/lib/libQtGui.so.4
#18 0x00007f195e75cc9f in QGraphicsScene::event(QEvent*) () from /usr/lib/libQtGui.so.4
#19 0x00007f195e1a6efc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#20 0x00007f195e1ae1ce in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#21 0x00007f195edddab6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#22 0x00007f19601f6c2c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#23 0x00007f195e76eeb1 in QGraphicsView::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#24 0x00007f195e1f59c0 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#25 0x00007f195e5512a6 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#26 0x00007f195e76e92b in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#27 0x00007f19601f5f47 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#28 0x00007f195e1a6ecc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#29 0x00007f195e1ae011 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#30 0x00007f195edddab6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#31 0x00007f19601f6c2c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#32 0x00007f195e1ad8e0 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from /usr/lib/libQtGui.so.4
#33 0x00007f195e213a0e in ?? () from /usr/lib/libQtGui.so.4
#34 0x00007f195e212aa9 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#35 0x00007f195e23bd0c in ?? () from /usr/lib/libQtGui.so.4
#36 0x00007f195d0d7bbe in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#37 0x00007f195d0db588 in ?? () from /lib/libglib-2.0.so.0
#38 0x00007f195d0db6b0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#39 0x00007f196021f1a6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#40 0x00007f195e23b4be in ?? () from /usr/lib/libQtGui.so.4
#41 0x00007f19601f5532 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#42 0x00007f19601f5904 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#43 0x00007f19601f7ab9 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#44 0x00007f19552634cf in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#45 0x0000000000406da8 in _start ()

Reported using DrKonqi