Version:            (using KDE 4.2.1)
OS:                Linux
Installed from:    Ubuntu Packages

Here is the report I got :

Application : Espace de travail Plasma (plasma), signal SIGSEGV

Thread 1 (Thread 0xb538e6c0 (LWP 6096)):
[KCrash Handler]
#6  0xb66d2bba in QTimer::stop () from /usr/lib/libQtCore.so.4
#7  0xb7efb870 in PanelView::updatePanelGeometry (this=0x8781910) at /build/buildd/kdebase-workspace-4.2.1a/plasma/shells/desktop/panelview.cpp:543
#8  0xb7f0049b in PanelView::qt_metacall (this=0x8781910, _c=QMetaObject::InvokeMetaMethod, _id=16, _a=0xbfb60fc8)
    at /build/buildd/kdebase-workspace-4.2.1a/obj-i486-linux-gnu/plasma/shells/desktop/panelview.moc:111
#9  0xb66cca60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#10 0xb66cd7e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#11 0xb7e03297 in Plasma::View::sceneRectAboutToChange () from /usr/lib/libplasma.so.3
#12 0xb7e044f9 in ?? () from /usr/lib/libplasma.so.3
#13 0xb7e039fb in Plasma::View::qt_metacall () from /usr/lib/libplasma.so.3
#14 0xb7f0045a in PanelView::qt_metacall (this=0x8781910, _c=QMetaObject::InvokeMetaMethod, _id=42, _a=0xbfb61208)
    at /build/buildd/kdebase-workspace-4.2.1a/obj-i486-linux-gnu/plasma/shells/desktop/panelview.moc:90
#15 0xb66cca60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#16 0xb66cd7e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#17 0xb7d834d7 in Plasma::Applet::geometryChanged () from /usr/lib/libplasma.so.3
#18 0xb7d89de0 in Plasma::Applet::itemChange () from /usr/lib/libplasma.so.3
#19 0xb7da194f in Plasma::Containment::itemChange () from /usr/lib/libplasma.so.3
#20 0xb6ec798f in QGraphicsItem::setPos () from /usr/lib/libQtGui.so.4
#21 0xb7da035a in ?? () from /usr/lib/libplasma.so.3
#22 0xb7da1a58 in Plasma::Containment::resizeEvent () from /usr/lib/libplasma.so.3
#23 0xb6f074ea in QGraphicsWidget::event () from /usr/lib/libQtGui.so.4
#24 0xb69478ec in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#25 0xb694f72e in QApplication::notify () from /usr/lib/libQtGui.so.4
#26 0xb76ad10d in KApplication::notify (this=0x839ad10, receiver=0x843e8d0, event=0xbfb61a40) at /build/buildd/kde4libs-4.2.1a/kdeui/kernel/kapplication.cpp:307
#27 0xb66b7e61 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#28 0xb695281e in QCoreApplication::sendEvent () from /usr/lib/libQtGui.so.4
#29 0xb6f0845e in QGraphicsWidget::setGeometry () from /usr/lib/libQtGui.so.4
#30 0xb6f05a31 in QGraphicsWidget::resize () from /usr/lib/libQtGui.so.4
#31 0xb7efd0f3 in PanelView::pinchContainment (this=0x8781910, screenGeom=@0xbfb61ff0) at /build/buildd/kdebase-workspace-4.2.1a/plasma/shells/desktop/panelview.cpp:618
#32 0xb7efe648 in PanelView (this=0x8781910, panel=0x843e8d0, id=1, parent=0x0) at /build/buildd/kdebase-workspace-4.2.1a/plasma/shells/desktop/panelview.cpp:243
#33 0xb7f08376 in PlasmaApp::createView (this=0x839ad10, containment=0x843e8d0) at /build/buildd/kdebase-workspace-4.2.1a/plasma/shells/desktop/plasmaapp.cpp:619
#34 0xb7f08a96 in PlasmaApp::containmentAdded (this=0x839ad10, containment=0x843e8d0) at /build/buildd/kdebase-workspace-4.2.1a/plasma/shells/desktop/plasmaapp.cpp:663
#35 0xb7f08d0c in PlasmaApp::qt_metacall (this=0x839ad10, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfb622fc)
    at /build/buildd/kdebase-workspace-4.2.1a/obj-i486-linux-gnu/plasma/shells/desktop/plasmaapp.moc:96
#36 0xb66cca60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#37 0xb66cd7e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#38 0xb7da5963 in Plasma::Corona::containmentAdded () from /usr/lib/libplasma.so.3
#39 0xb7da7038 in Plasma::Corona::loadLayout () from /usr/lib/libplasma.so.3
#40 0xb7da8751 in Plasma::Corona::initializeLayout () from /usr/lib/libplasma.so.3
#41 0xb7f059ad in PlasmaApp::corona (this=0x839ad10) at /build/buildd/kdebase-workspace-4.2.1a/plasma/shells/desktop/plasmaapp.cpp:517
#42 0xb7f05b45 in PlasmaApp::setupDesktop (this=0x839ad10) at /build/buildd/kdebase-workspace-4.2.1a/plasma/shells/desktop/plasmaapp.cpp:255
#43 0xb7f08d3b in PlasmaApp::qt_metacall (this=0x839ad10, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfb625f8)
    at /build/buildd/kdebase-workspace-4.2.1a/obj-i486-linux-gnu/plasma/shells/desktop/plasmaapp.moc:94
#44 0xb66cca60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#45 0xb66cd7e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#46 0xb66d2db7 in ?? () from /usr/lib/libQtCore.so.4
#47 0xb66d2edc in ?? () from /usr/lib/libQtCore.so.4
#48 0xb66c753f in QObject::event () from /usr/lib/libQtCore.so.4
#49 0xb69478ec in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#50 0xb694f72e in QApplication::notify () from /usr/lib/libQtGui.so.4
#51 0xb76ad10d in KApplication::notify (this=0x839ad10, receiver=0x8422478, event=0xbfb62a8c) at /build/buildd/kde4libs-4.2.1a/kdeui/kernel/kapplication.cpp:307
#52 0xb66b7e61 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#53 0xb66e5d81 in ?? () from /usr/lib/libQtCore.so.4
#54 0xb66e2520 in ?? () from /usr/lib/libQtCore.so.4
#55 0xb56566f8 in IA__g_main_context_dispatch (context=0x83b8898) at /build/buildd/glib2.0-2.18.2/glib/gmain.c:2144
#56 0xb5659da3 in g_main_context_iterate (context=0x83b8898, block=1, dispatch=1, self=0x83b67d0) at /build/buildd/glib2.0-2.18.2/glib/gmain.c:2778
#57 0xb5659f61 in IA__g_main_context_iteration (context=0x83b8898, may_block=1) at /build/buildd/glib2.0-2.18.2/glib/gmain.c:2841
#58 0xb66e2478 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#59 0xb69e1ea5 in ?? () from /usr/lib/libQtGui.so.4
#60 0xb66b652a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#61 0xb66b66ea in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#62 0xb66b8da5 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#63 0xb6947767 in QApplication::exec () from /usr/lib/libQtGui.so.4
#64 0xb7ef17f6 in kdemain (argc=1, argv=0xbfb62e64) at /build/buildd/kdebase-workspace-4.2.1a/plasma/shells/desktop/main.cpp:54
#65 0x08048712 in main (argc=) at /build/buildd/kdebase-workspace-4.2.1a/obj-i486-linux-gnu/plasma/shells/desktop/plasma_qgv_dummy.cpp:3