Version:            (using KDE 4.2.0)
OS:                Linux
Installed from:    SuSE RPMs

Application: Plasma Workspace (plasma), signal SIGSEGV
[Current thread is 1 (Thread 0xb52e2710 (LWP 18467))]

Thread 4 (Thread 0xa9b39b90 (LWP 18474)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb63f8411 in select () from /lib/libc.so.6
#2  0xb66eedc7 in ?? () from /usr/lib/libQtCore.so.4
#3  0xb661f85e in ?? () from /usr/lib/libQtCore.so.4
#4  0xb65bd1b5 in start_thread () from /lib/libpthread.so.0
#5  0xb63ff3be in clone () from /lib/libc.so.6

Thread 3 (Thread 0xa9338b90 (LWP 18476)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb65c0c35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb6620872 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#3  0xb7a1c0d2 in ?? () from /usr/lib/libQtNetwork.so.4
#4  0xb661f85e in ?? () from /usr/lib/libQtCore.so.4
#5  0xb65bd1b5 in start_thread () from /lib/libpthread.so.0
#6  0xb63ff3be in clone () from /lib/libc.so.6

Thread 2 (Thread 0xa8834b90 (LWP 18483)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb65c0c35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb6620872 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#3  0xa9ecd80a in ?? () from /usr/lib/kde4/plasma_wallpaper_image.so
#4  0xb661f85e in ?? () from /usr/lib/libQtCore.so.4
#5  0xb65bd1b5 in start_thread () from /lib/libpthread.so.0
#6  0xb63ff3be in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb52e2710 (LWP 18467)):
[KCrash Handler]
#6  0xb6a2bf11 in QImage::scanLine(int) () from /usr/lib/libQtGui.so.4
#7  0xb6a08f59 in QWidgetPrivate::setWindowIcon_sys(bool) () from /usr/lib/libQtGui.so.4
#8  0xb69d55c8 in QWidget::create(unsigned long, bool, bool) () from /usr/lib/libQtGui.so.4
#9  0xb69db0de in QWidget::setVisible(bool) () from /usr/lib/libQtGui.so.4
#10 0xb6f4ca46 in ?? () from /usr/lib/libQtGui.so.4
#11 0xb6f4ce53 in QGraphicsProxyWidget::setWidget(QWidget*) () from /usr/lib/libQtGui.so.4
#12 0xb7f1b83b in Plasma::Label::Label(QGraphicsWidget*) () from /usr/lib/libplasma.so.3
#13 0xb7ec3133 in ?? () from /usr/lib/libplasma.so.3
#14 0xb7ec3309 in Plasma::Extender::itemRemovedEvent(Plasma::ExtenderItem*) () from /usr/lib/libplasma.so.3
#15 0xb7ec3da2 in ?? () from /usr/lib/libplasma.so.3
#16 0xb7ec8988 in Plasma::ExtenderItem::destroy() () from /usr/lib/libplasma.so.3
#17 0xb7ecae4b in Plasma::ExtenderItem::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libplasma.so.3
#18 0xb6724580 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#19 0xb6725302 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#20 0xb7f136b7 in Plasma::IconWidget::clicked() () from /usr/lib/libplasma.so.3
#21 0xb7f14fa0 in Plasma::IconWidget::mouseReleaseEvent(QGraphicsSceneMouseEvent*) () from /usr/lib/libplasma.so.3
#22 0xb6efa9d0 in QGraphicsItem::sceneEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#23 0xb6f3df0f in QGraphicsWidget::sceneEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#24 0xb6f18d2c in ?? () from /usr/lib/libQtGui.so.4
#25 0xb6f19f1a in ?? () from /usr/lib/libQtGui.so.4
#26 0xb6f21c11 in QGraphicsScene::mouseReleaseEvent(QGraphicsSceneMouseEvent*) () from /usr/lib/libQtGui.so.4
#27 0xb6f21f67 in QGraphicsScene::event(QEvent*) () from /usr/lib/libQtGui.so.4
#28 0xb697f8fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#29 0xb698775e in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#30 0xb776b91d in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#31 0xb670f961 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#32 0xb6f36392 in QGraphicsView::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#33 0xb69d7a62 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#34 0xb6d0da83 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#35 0xb6da41bf in QAbstractScrollArea::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#36 0xb6f314df in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#37 0xb6da6765 in ?? () from /usr/lib/libQtGui.so.4
#38 0xb670eb3a in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#39 0xb697f8da in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#40 0xb6988111 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#41 0xb776b91d in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#42 0xb670f961 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#43 0xb698739e in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from /usr/lib/libQtGui.so.4
#44 0xb69f1716 in ?? () from /usr/lib/libQtGui.so.4
#45 0xb69f0ac5 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#46 0xb6a1908a in ?? () from /usr/lib/libQtGui.so.4
#47 0xb56de9a8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#48 0xb56e2063 in ?? () from /usr/lib/libglib-2.0.so.0
#49 0xb56e2221 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#50 0xb6739fd7 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#51 0xb6a18785 in ?? () from /usr/lib/libQtGui.so.4
#52 0xb670e01a in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#53 0xb670e1da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#54 0xb6710895 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#55 0xb697f777 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#56 0xb800a286 in kdemain () from /usr/lib/libkdeinit4_plasma.so
#57 0x08048782 in _start ()

This error will occur after random use, and I'm not sure why, I have a few plugins running on the desktop, but they are pretty plain. This error occurred after I cancelled a file transfer from a windows Server (using Samba)