Version:           4.0.82 (using Devel)
Installed from:    Compiled sources
Compiler:          4.3.0 Fedora Rawhide
OS:                Linux

Here is the traceback

[KCrash handler]
#6  0x00000000 in ?? ()
#7  0x04c7b720 in MenuLauncherApplet::toggleMenu ()
   from /usr/local/kde4/lib/kde4/plasma_applet_simplelauncher.so
#8  0x04c7b79f in MenuLauncherApplet::toggleMenu ()
   from /usr/local/kde4/lib/kde4/plasma_applet_simplelauncher.so
#9  0x04c7c679 in MenuLauncherApplet::qt_metacall ()
   from /usr/local/kde4/lib/kde4/plasma_applet_simplelauncher.so
#10 0x045a5e17 in QMetaObject::activate ()
   from /usr/local/qt4/lib/libQtCore.so.4
#11 0x045a6b64 in QMetaObject::activate ()
   from /usr/local/qt4/lib/libQtCore.so.4
#12 0x001d611e in Plasma::Icon::pressed ()
   from /usr/local/kde4/lib/libplasma.so.2
#13 0x001da8cd in Plasma::Icon::mousePressEvent ()
   from /usr/local/kde4/lib/libplasma.so.2
#14 0x01ca0c9d in QGraphicsItem::sceneEvent ()
   from /usr/local/qt4/lib/libQtGui.so.4
#15 0x01ce2e3f in QGraphicsWidget::sceneEvent ()
   from /usr/local/qt4/lib/libQtGui.so.4
#16 0x01cbe7ac in ?? () from /usr/local/qt4/lib/libQtGui.so.4
#17 0x01cbfaaa in ?? () from /usr/local/qt4/lib/libQtGui.so.4
#18 0x01cc853c in ?? () from /usr/local/qt4/lib/libQtGui.so.4
#19 0x01cc76af in QGraphicsScene::event ()
   from /usr/local/qt4/lib/libQtGui.so.4
#20 0x0172fbec in QApplicationPrivate::notify_helper ()
   from /usr/local/qt4/lib/libQtGui.so.4
#21 0x01737a62 in QApplication::notify () from /usr/local/qt4/lib/libQtGui.so.4
#22 0x006296a0 in KApplication::notify ()
   from /usr/local/kde4/lib/libkdeui.so.5
#23 0x04590fb2 in QCoreApplication::notifyInternal ()
   from /usr/local/qt4/lib/libQtCore.so.4
#24 0x01cd4bc2 in QGraphicsView::mousePressEvent ()
   from /usr/local/qt4/lib/libQtGui.so.4
#25 0x017879c8 in QWidget::event () from /usr/local/qt4/lib/libQtGui.so.4
#26 0x01ab54a3 in QFrame::event () from /usr/local/qt4/lib/libQtGui.so.4
#27 0x01b4ba37 in QAbstractScrollArea::viewportEvent ()
   from /usr/local/qt4/lib/libQtGui.so.4
#28 0x01cd62cf in QGraphicsView::viewportEvent ()
   from /usr/local/qt4/lib/libQtGui.so.4
#29 0x01b4dfa5 in ?? () from /usr/local/qt4/lib/libQtGui.so.4
#30 0x04590180 in QCoreApplicationPrivate::sendThroughObjectEventFilters ()
   from /usr/local/qt4/lib/libQtCore.so.4
#31 0x0172fbca in QApplicationPrivate::notify_helper ()
   from /usr/local/qt4/lib/libQtGui.so.4
#32 0x017383cd in QApplication::notify () from /usr/local/qt4/lib/libQtGui.so.4
#33 0x006296a0 in KApplication::notify ()
   from /usr/local/kde4/lib/libkdeui.so.5
#34 0x04590fb2 in QCoreApplication::notifyInternal ()
   from /usr/local/qt4/lib/libQtCore.so.4
#35 0x01737694 in QApplicationPrivate::sendMouseEvent ()
   from /usr/local/qt4/lib/libQtGui.so.4
#36 0x017a0a93 in ?? () from /usr/local/qt4/lib/libQtGui.so.4
#37 0x0179f8b4 in QApplication::x11ProcessEvent ()
   from /usr/local/qt4/lib/libQtGui.so.4
#38 0x017c928e in ?? () from /usr/local/qt4/lib/libQtGui.so.4
#39 0x0258bf38 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#40 0x0258f49b in ?? () from /lib/libglib-2.0.so.0
#41 0x0258f618 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#42 0x045bb818 in QEventDispatcherGlib::processEvents ()
   from /usr/local/qt4/lib/libQtCore.so.4
#43 0x017c8a95 in ?? () from /usr/local/qt4/lib/libQtGui.so.4
#44 0x0458f65a in QEventLoop::processEvents ()
   from /usr/local/qt4/lib/libQtCore.so.4
#45 0x0458f832 in QEventLoop::exec () from /usr/local/qt4/lib/libQtCore.so.4
#46 0x04591f03 in QCoreApplication::exec ()
   from /usr/local/qt4/lib/libQtCore.so.4
#47 0x0172fa67 in QApplication::exec () from /usr/local/qt4/lib/libQtGui.so.4
#48 0x00137bb9 in kdemain () from /usr/local/kde4/lib/libkdeinit4_plasma.so
#49 0x08048256 in main ()