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 2.6.31-sabayon x86_64
Distribution: "Sabayon Linux amd64 5"

What I was doing when the application crashed:
Crash occured after selecting 'Commit Actions' using sulfur after adding all updates for installation and reviewing updates to be installed...

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f5d5cc8a750 (LWP 12938))]

Thread 2 (Thread 0x7f5d3f6c2910 (LWP 12941)):
#0  0x00007f5d5c4a3fc9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f5d5c71145b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/qt4/libQtCore.so.4
#2  0x00007f5d58e5f814 in ?? () from /usr/lib64/qt4/libQtNetwork.so.4
#3  0x00007f5d5c710683 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#4  0x00007f5d5c49f624 in start_thread () from /lib/libpthread.so.0
#5  0x00007f5d59f3d56d in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f5d5cc8a750 (LWP 12938)):
[KCrash Handler]
#5  0x00007f5d5ab7f514 in QGraphicsItem::isWidget() const () from /usr/lib64/qt4/libQtGui.so.4
#6  0x00007f5d5ab81d49 in QGraphicsItem::isWindow() const () from /usr/lib64/qt4/libQtGui.so.4
#7  0x00007f5d5abb239b in QGraphicsScene::event(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#8  0x00007f5d5a6724ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#9  0x00007f5d5a677d48 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#10 0x00007f5d5b1bda16 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#11 0x00007f5d5c7e406c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#12 0x00007f5d5abc4f16 in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#13 0x00007f5d5c7e33e7 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#14 0x00007f5d5a67247c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#15 0x00007f5d5a677d48 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#16 0x00007f5d5b1bda16 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#17 0x00007f5d5c7e406c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#18 0x00007f5d5a6c04c8 in QWidget::event(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#19 0x00007f5d5a9d1c36 in QFrame::event(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#20 0x00007f5d5aa55729 in QAbstractScrollArea::event(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#21 0x00007f5d5a6724ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#22 0x00007f5d5a677d48 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#23 0x00007f5d5b1bda16 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#24 0x00007f5d5c7e406c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#25 0x00007f5d5a67ba08 in QApplication::setActiveWindow(QWidget*) () from /usr/lib64/qt4/libQtGui.so.4
#26 0x00007f5d5a6d389e in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#27 0x00007f5d5a6f820c in ?? () from /usr/lib64/qt4/libQtGui.so.4
#28 0x00007f5d595a36fe in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#29 0x00007f5d595a70b8 in ?? () from /usr/lib/libglib-2.0.so.0
#30 0x00007f5d595a71e0 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#31 0x00007f5d5c8088d6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#32 0x00007f5d5a6f7ade in ?? () from /usr/lib64/qt4/libQtGui.so.4
#33 0x00007f5d5c7e2a82 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#34 0x00007f5d5c7e2c25 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#35 0x00007f5d5c7e4a39 in QCoreApplication::exec() () from /usr/lib64/qt4/libQtCore.so.4
#36 0x00007f5d5223625f in kdemain () from /usr/lib64/libkdeinit4_plasma-desktop.so
#37 0x0000000000407128 in _start ()

Reported using DrKonqi