Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.5 (KDE 4.3.5) "release 3"
Qt Version: 4.5.3
Operating System: Linux 2.6.31.12-0.2-desktop x86_64
Distribution: "openSUSE 11.2 (x86_64)"

What I was doing when the application crashed:
1. I enabled desktop effects and noticed that the system tray with the keyboard indicator were gone.  
2. I disabled desktop effects but the system tray did not return.
3. I added the system tray from the toolbar context menu.  It showed to the right of the date area.  I did not like it so I removed it.
4. I locked the taskbar.
5. I tried to add a system tray.  Bang.

 -- Backtrace:
Application: Przestrzeń robocza Plazmy (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f62ffe59750 (LWP 4886))]

Thread 2 (Thread 0x7f62e2851910 (LWP 4887)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f62ff89a53b in wait (time=<value optimized out>, this=<value optimized out>) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (time=<value optimized out>, this=<value optimized out>) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f62fbd6b9ec in QHostInfoAgent::run (this=0xbb41a0) at kernel/qhostinfo.cpp:260
#4  0x00007f62ff899485 in QThreadPrivate::start (arg=0xbb41a0) at thread/qthread_unix.cpp:188
#5  0x00007f62ff62565d in start_thread (arg=<value optimized out>) at pthread_create.c:297
#6  0x00007f62fd030e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f62ffe59750 (LWP 4886)):
[KCrash Handler]
#5  0x00007f62fdcf82cd in QGraphicsScene::addItem (this=0x734cb0, item=0x675570) at graphicsview/qgraphicsscene.cpp:2928
#6  0x00007f62f75afe85 in Plasma::CoronaPrivate::addContainment (this=0x6d1700, name=<value optimized out>, args=<value optimized out>, id=<value optimized out>, delayedInit=false)
    at /usr/src/debug/kdelibs-4.3.5/plasma/corona.cpp:217
#7  0x00007f62e57499b5 in ?? () from /usr/lib64/kde4/plasma_containment_panel.so
#8  0x00007f62e574af84 in ?? () from /usr/lib64/kde4/plasma_containment_panel.so
#9  0x00007f62e574c954 in ?? () from /usr/lib64/kde4/plasma_containment_panel.so
#10 0x00007f62ff993fbc in QMetaObject::activate (sender=0x1b361c0, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x1b95db0) at kernel/qobject.cpp:3113
#11 0x00007f62fd761457 in QAction::triggered (this=0x675570, _t1=false) at .moc/release-shared/moc_qaction.cpp:236
#12 0x00007f62fd76289f in QAction::activate (this=0x1b361c0, event=<value optimized out>) at kernel/qaction.cpp:1167
#13 0x00007f62fdb3261d in QMenuPrivate::activateCausedStack (this=<value optimized out>, causedStack=..., action=0x1b361c0, action_e=Trigger, self=true) at widgets/qmenu.cpp:967
#14 0x00007f62fdb3852a in QMenuPrivate::activateAction (this=0x1d40940, action=0x1b361c0, action_e=Trigger, self=<value optimized out>) at widgets/qmenu.cpp:1060
#15 0x00007f62fe43403e in KMenu::mouseReleaseEvent (this=0x7fff6b89c910, e=0x675560) at /usr/src/debug/kdelibs-4.3.5/kdeui/widgets/kmenu.cpp:456
#16 0x00007f62fd7b5cf0 in QWidget::event (this=0x7fff6b89c910, event=0x7fff6b89aa50) at kernel/qwidget.cpp:7554
#17 0x00007f62fdb3aceb in QMenu::event (this=0x7fff6b89c910, e=0x7fff6b89aa50) at widgets/qmenu.cpp:2358
#18 0x00007f62fd7672ac in QApplicationPrivate::notify_helper (this=0x677450, receiver=0x7fff6b89c910, e=0x7fff6b89aa50) at kernel/qapplication.cpp:4065
#19 0x00007f62fd76e3c1 in QApplication::notify (this=<value optimized out>, receiver=0x7fff6b89c910, e=0x7fff6b89aa50) at kernel/qapplication.cpp:3767
#20 0x00007f62fe362016 in KApplication::notify (this=0x66ec00, receiver=0x7fff6b89c910, event=0x7fff6b89aa50) at /usr/src/debug/kdelibs-4.3.5/kdeui/kernel/kapplication.cpp:302
#21 0x00007f62ff97eddc in QCoreApplication::notifyInternal (this=0x66ec00, receiver=0x7fff6b89c910, event=0x7fff6b89aa50) at kernel/qcoreapplication.cpp:610
#22 0x00007f62fd76dc90 in sendSpontaneousEvent (event=<value optimized out>, receiver=<value optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:216
#23 QApplicationPrivate::sendMouseEvent (event=<value optimized out>, receiver=<value optimized out>) at kernel/qapplication.cpp:2924
#24 0x00007f62fd7d411e in QETWidget::translateMouseEvent (this=0x7fff6b89c910, event=<value optimized out>) at kernel/qapplication_x11.cpp:4343
#25 0x00007f62fd7d2d9a in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff6b89c580) at kernel/qapplication_x11.cpp:3550
#26 0x00007f62fd7fab6c in x11EventSourceDispatch (s=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#27 0x00007f62fc6b0dee in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#28 0x00007f62fc6b47b8 in ?? () from /usr/lib64/libglib-2.0.so.0
#29 0x00007f62fc6b48e0 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#30 0x00007f62ff9a73a3 in QEventDispatcherGlib::processEvents (this=0x618810, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#31 0x00007f62fd7fa31e in QGuiEventDispatcherGlib::processEvents (this=0x675570, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#32 0x00007f62ff97d712 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#33 0x00007f62ff97dae4 in QEventLoop::exec (this=0x7fff6b89c8b0, flags=) at kernel/qeventloop.cpp:201
#34 0x00007f62fdb3ab65 in QMenu::exec (this=0x7fff6b89c910, p=<value optimized out>, action=0x0) at widgets/qmenu.cpp:1998
#35 0x00007f62f75a1853 in Plasma::ContainmentPrivate::showContextMenu (this=<value optimized out>, point=<value optimized out>, screenPos=..., includeApplet=true)
    at /usr/src/debug/kdelibs-4.3.5/plasma/containment.cpp:667
#36 0x00007f62f75a1981 in Plasma::Containment::contextMenuEvent (this=0x86ff00, event=0x7fff6b89cfe0) at /usr/src/debug/kdelibs-4.3.5/plasma/containment.cpp:538
#37 0x00007f62fdcd092e in QGraphicsItem::sceneEvent (this=0x675570, event=0x675560) at graphicsview/qgraphicsitem.cpp:5002
#38 0x00007f62fdcff333 in QGraphicsScene::contextMenuEvent (this=<value optimized out>, contextMenuEvent=0x7fff6b89cfe0) at graphicsview/qgraphicsscene.cpp:3956
#39 0x00007f62fdd00224 in QGraphicsScene::event (this=0x734cb0, event=0x7fff6b89cfe0) at graphicsview/qgraphicsscene.cpp:3766
#40 0x00007f62fd7672ac in QApplicationPrivate::notify_helper (this=0x677450, receiver=0x734cb0, e=0x7fff6b89cfe0) at kernel/qapplication.cpp:4065
#41 0x00007f62fd76e57e in QApplication::notify (this=0x66ec00, receiver=0x734cb0, e=0x7fff6b89cfe0) at kernel/qapplication.cpp:4030
#42 0x00007f62fe362016 in KApplication::notify (this=0x66ec00, receiver=0x734cb0, event=0x7fff6b89cfe0) at /usr/src/debug/kdelibs-4.3.5/kdeui/kernel/kapplication.cpp:302
#43 0x00007f62ff97eddc in QCoreApplication::notifyInternal (this=0x66ec00, receiver=0x734cb0, event=0x7fff6b89cfe0) at kernel/qcoreapplication.cpp:610
#44 0x00007f62fdd0daac in sendEvent (event=<value optimized out>, receiver=<value optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:213
#45 QGraphicsView::contextMenuEvent (event=<value optimized out>, receiver=<value optimized out>) at graphicsview/qgraphicsview.cpp:2945
#46 0x00007f62fd7b6185 in QWidget::event (this=0xde3340, event=0x7fff6b89d690) at kernel/qwidget.cpp:7713
#47 0x00007f62fdaf4ab6 in QFrame::event (this=0xde3340, e=0x7fff6b89d690) at widgets/qframe.cpp:559
#48 0x00007f62fdd11f3b in QGraphicsView::viewportEvent (this=0xde3340, event=0x7fff6b89d690) at graphicsview/qgraphicsview.cpp:2919
#49 0x00007f62ff97e127 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0xafb980, event=0x7fff6b89d690) at kernel/qcoreapplication.cpp:726
#50 0x00007f62fd76727c in QApplicationPrivate::notify_helper (this=0x677450, receiver=0xafb980, e=0x7fff6b89d690) at kernel/qapplication.cpp:4061
#51 0x00007f62fd76e8d7 in QApplication::notify (this=0x66ec00, receiver=0xafb980, e=0x7fff6b89d690) at kernel/qapplication.cpp:3854
#52 0x00007f62fe362016 in KApplication::notify (this=0x66ec00, receiver=0xafb980, event=0x7fff6b89d690) at /usr/src/debug/kdelibs-4.3.5/kdeui/kernel/kapplication.cpp:302
#53 0x00007f62ff97eddc in QCoreApplication::notifyInternal (this=0x66ec00, receiver=0xafb980, event=0x7fff6b89d690) at kernel/qcoreapplication.cpp:610
#54 0x00007f62fd7d429e in QETWidget::translateMouseEvent (this=<value optimized out>, event=<value optimized out>) at kernel/qapplication_x11.cpp:4415
#55 0x00007f62fd7d2d9a in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff6b89f1f0) at kernel/qapplication_x11.cpp:3550
#56 0x00007f62fd7fab6c in x11EventSourceDispatch (s=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#57 0x00007f62fc6b0dee in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#58 0x00007f62fc6b47b8 in ?? () from /usr/lib64/libglib-2.0.so.0
#59 0x00007f62fc6b48e0 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#60 0x00007f62ff9a73a3 in QEventDispatcherGlib::processEvents (this=0x618810, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#61 0x00007f62fd7fa31e in QGuiEventDispatcherGlib::processEvents (this=0x675570, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#62 0x00007f62ff97d712 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#63 0x00007f62ff97dae4 in QEventLoop::exec (this=0x7fff6b89f520, flags=) at kernel/qeventloop.cpp:201
#64 0x00007f62ff97fc99 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#65 0x00007f62f4dd9e3f in kdemain () from /usr/lib64/libkdeinit4_plasma-desktop.so
#66 0x0000000000406f88 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a4bd "0") at /usr/src/debug/kdelibs-4.3.5/kinit/kinit.cpp:715
#67 0x0000000000407c80 in handle_launcher_request (sock=8, who=<value optimized out>) at /usr/src/debug/kdelibs-4.3.5/kinit/kinit.cpp:1207
#68 0x0000000000408131 in handle_requests (waitForPid=0) at /usr/src/debug/kdelibs-4.3.5/kinit/kinit.cpp:1400
#69 0x0000000000408e02 in main (argc=4, argv=<value optimized out>, envp=<value optimized out>) at /usr/src/debug/kdelibs-4.3.5/kinit/kinit.cpp:1839
The current source language is "auto; currently asm".
The current source language is "auto; currently c".

Reported using DrKonqi