Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.96 (KDE 4.2.96 (KDE 4.3 RC2))
Qt Version: 4.5.0
Operating System: Linux 2.6.28-13-generic x86_64
Distribution: Ubuntu 9.04

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 3415)]

Thread 2 (Thread 0x7f5b80c7f950 (LWP 3420)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f5ba08a2939 in QWaitCondition::wait (this=0x147d4d0, mutex=0x147d4c8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007f5b9f71e4cc in QHostInfoAgent::run (this=0x147d4b0) at kernel/qhostinfo.cpp:260
#3  0x00007f5ba08a1952 in QThreadPrivate::start (arg=0x147d4b0) at thread/qthread_unix.cpp:189
#4  0x00007f5b9c7223ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007f5b9d306fcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f5ba0e6a750 (LWP 3415)):
[KCrash Handler]
#5  0x00007f5b982711e4 in Plasma::ExtenderItem::group (this=0x2e4a320) at /build/buildd/kde4libs-4.2.96/plasma/extenderitem.cpp:321
#6  0x00007f5b9826f9a8 in Plasma::ExtenderGroup::items (this=0x149a550) at /build/buildd/kde4libs-4.2.96/plasma/extendergroup.cpp:92
#7  0x00007f5b8390a7a9 in ?? () from /usr/lib/kde4/plasma_applet_systemtray.so
#8  0x00007f5b8390f3e0 in ?? () from /usr/lib/kde4/plasma_applet_systemtray.so
#9  0x00007f5ba09a01f2 in QMetaObject::activate (sender=0x14567c0, from_signal_index=<value optimized out>, to_signal_index=6, argv=0x0) at kernel/qobject.cpp:3069
#10 0x00007f5b9df0d7e7 in QAction::triggered (this=0x2e4a320, _t1=false) at .moc/release-shared/moc_qaction.cpp:236
#11 0x00007f5b9df0ec60 in QAction::activate (this=0x14567c0, event=<value optimized out>) at kernel/qaction.cpp:1160
#12 0x00007f5b9df11a22 in QAction::qt_metacall (this=0x14567c0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffa8e9dab0) at kernel/qaction.h:203
#13 0x00007f5ba09a01f2 in QMetaObject::activate (sender=0x1422850, from_signal_index=<value optimized out>, to_signal_index=6, argv=0x0) at kernel/qobject.cpp:3069
#14 0x00007f5b982c89f0 in Plasma::IconWidget::mouseReleaseEvent (this=0x1422850, event=0x7fffa8e9e330) at /build/buildd/kde4libs-4.2.96/plasma/widgets/iconwidget.cpp:1172
#15 0x00007f5b9e4debcf in QGraphicsItem::sceneEvent (this=0x1422860, event=0xf89760) at graphicsview/qgraphicsitem.cpp:4792
#16 0x00007f5b9e503ce6 in QGraphicsScenePrivate::sendMouseEvent (this=0xbd2b70, mouseEvent=0x7fffa8e9e330) at graphicsview/qgraphicsscene.cpp:1221
#17 0x00007f5b9e50b791 in QGraphicsScene::mouseReleaseEvent (this=<value optimized out>, mouseEvent=0x7fffa8e9e330) at graphicsview/qgraphicsscene.cpp:4298
#18 0x00007f5b9e50bb30 in QGraphicsScene::event (this=0xb734f0, event=0x7fffa8e9e330) at graphicsview/qgraphicsscene.cpp:3661
#19 0x00007f5b9df1378d in QApplicationPrivate::notify_helper (this=0xafbf00, receiver=0xb734f0, e=0x7fffa8e9e330) at kernel/qapplication.cpp:4084
#20 0x00007f5b9df1b97a in QApplication::notify (this=0xabd090, receiver=0xb734f0, e=0x7fffa8e9e330) at kernel/qapplication.cpp:4049
#21 0x00007f5b9f05663b in KApplication::notify (this=0xabd090, receiver=0xb734f0, event=0x7fffa8e9e330) at /build/buildd/kde4libs-4.2.96/kdeui/kernel/kapplication.cpp:302
#22 0x00007f5ba098a75c in QCoreApplication::notifyInternal (this=0xabd090, receiver=0xb734f0, event=0x7fffa8e9e330) at kernel/qcoreapplication.cpp:602
#23 0x00007f5b9e51d8fb in QGraphicsView::mouseReleaseEvent (this=0x162b280, event=0x7fffa8e9ebc0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#24 0x00007f5b9df648cf in QWidget::event (this=0x162b280, event=0x7fffa8e9ebc0) at kernel/qwidget.cpp:7516
#25 0x00007f5b9e2fe40b in QFrame::event (this=0x162b280, e=0x7fffa8e9ebc0) at widgets/qframe.cpp:559
#26 0x00007f5b9e51ad1b in QGraphicsView::viewportEvent (this=0x162b280, event=0x7fffa8e9ebc0) at graphicsview/qgraphicsview.cpp:2933
#27 0x00007f5ba0989a68 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x162af90, event=0x7fffa8e9ebc0) at kernel/qcoreapplication.cpp:718
#28 0x00007f5b9df1375c in QApplicationPrivate::notify_helper (this=0xafbf00, receiver=0x162af90, e=0x7fffa8e9ebc0) at kernel/qapplication.cpp:4080
#29 0x00007f5b9df1c0da in QApplication::notify (this=<value optimized out>, receiver=0x162af90, e=0x7fffa8e9ebc0) at kernel/qapplication.cpp:3786
#30 0x00007f5b9f05663b in KApplication::notify (this=0xabd090, receiver=0x162af90, event=0x7fffa8e9ebc0) at /build/buildd/kde4libs-4.2.96/kdeui/kernel/kapplication.cpp:302
#31 0x00007f5ba098a75c in QCoreApplication::notifyInternal (this=0xabd090, receiver=0x162af90, event=0x7fffa8e9ebc0) at kernel/qcoreapplication.cpp:602
#32 0x00007f5b9df1b328 in QApplicationPrivate::sendMouseEvent (receiver=0x162af90, event=0x7fffa8e9ebc0, alienWidget=0x162af90, nativeWidget=0x149e420, buttonDown=<value optimized out>, 
    lastMouseReceiver=@0x7f5b9e977eb0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#33 0x00007f5b9df84e19 in QETWidget::translateMouseEvent (this=0x149e420, event=<value optimized out>) at kernel/qapplication_x11.cpp:4425
#34 0x00007f5b9df83a88 in QApplication::x11ProcessEvent (this=0xabd090, event=0x7fffa8e9f700) at kernel/qapplication_x11.cpp:3543
#35 0x00007f5b9dfac464 in x11EventSourceDispatch (s=0xaff460, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#36 0x00007f5b9c97120a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#37 0x00007f5b9c9748e0 in ?? () from /usr/lib/libglib-2.0.so.0
#38 0x00007f5b9c974a7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#39 0x00007f5ba09b3e6f in QEventDispatcherGlib::processEvents (this=0xafba30, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:323
#40 0x00007f5b9dfabbef in QGuiEventDispatcherGlib::processEvents (this=0x2e4a320, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#41 0x00007f5ba0989002 in QEventLoop::processEvents (this=<value optimized out>, flags={i = -1461061136}) at kernel/qeventloop.cpp:149
#42 0x00007f5ba09893cd in QEventLoop::exec (this=0x7fffa8e9fa30, flags={i = -1461061056}) at kernel/qeventloop.cpp:200
#43 0x00007f5ba098b694 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#44 0x00007f5b955536bb in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#45 0x0000000000407215 in launch (argc=1, _name=0xaafb78 "/usr/bin/plasma-desktop", args=<value optimized out>, cwd=0x0, envc=0, envs=0xaafb98 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x40a3c9 "0") at /build/buildd/kde4libs-4.2.96/kinit/kinit.cpp:676
#46 0x0000000000407a38 in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.2.96/kinit/kinit.cpp:1168
#47 0x0000000000407fe5 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.2.96/kinit/kinit.cpp:1361
#48 0x0000000000408b26 in main (argc=2, argv=0x7fffa8ea08d8, envp=0x7fffa8ea08f0) at /build/buildd/kde4libs-4.2.96/kinit/kinit.cpp:1788

Reported using DrKonqi