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 2.6.31-17-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
I was setting up new widgets and when returning to Konqueror, plasma crashed. Plasma desktop restarted and no work was loss.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7826700 (LWP 2442))]

Thread 2 (Thread 0xaa8eab70 (LWP 2445)):
#0  0x002a5422 in __kernel_vsyscall ()
#1  0x00257e15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x008ec87d in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0x002f5e67 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#4  0x02f46922 in ?? () from /usr/lib/libQtNetwork.so.4
#5  0x002f4e32 in ?? () from /usr/lib/libQtCore.so.4
#6  0x0025380e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0x008df8de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb7826700 (LWP 2442)):
[KCrash Handler]
#6  0x06f7e18a in QGraphicsItem::isWidget() const () from /usr/lib/libQtGui.so.4
#7  0x06fb7527 in QGraphicsScene::event(QEvent*) () from /usr/lib/libQtGui.so.4
#8  0x0697af54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#9  0x0698267c in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#10 0x010f4bfa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#11 0x003e56cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#12 0x06fc85e7 in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#13 0x06e20a95 in ?? () from /usr/lib/libQtGui.so.4
#14 0x003e483a in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#15 0x0697af2c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#16 0x069825ca in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#17 0x010f4bfa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#18 0x003e56cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#19 0x069cfad5 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#20 0x06d7f633 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#21 0x06e1efaa in QAbstractScrollArea::event(QEvent*) () from /usr/lib/libQtGui.so.4
#22 0x06fc8406 in QGraphicsView::event(QEvent*) () from /usr/lib/libQtGui.so.4
#23 0x0697af54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#24 0x069825ca in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#25 0x010f4bfa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#26 0x003e56cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#27 0x06985df6 in QApplication::setActiveWindow(QWidget*) () from /usr/lib/libQtGui.so.4
#28 0x069ef21f in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#29 0x06a1c502 in ?? () from /usr/lib/libQtGui.so.4
#30 0x00d4ee88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#31 0x00d52730 in ?? () from /lib/libglib-2.0.so.0
#32 0x00d52863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#33 0x0041002c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#34 0x06a1bbe5 in ?? () from /usr/lib/libQtGui.so.4
#35 0x003e3c79 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#36 0x003e40ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#37 0x003e653f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#38 0x0697add7 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#39 0x055cd80d in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#40 0x0804dde1 in _start ()

This bug may be a duplicate of or related to bug 223327

Reported using DrKonqi