Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.28-14-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
After copying files to a removable media drive, the on screen notification displayed the copy job was complete.  Clicked on the X to close the notification and plasma crashed.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 4179)]

Thread 2 (Thread 0xa835bb90 (LWP 4182)):
#0  0xb8001430 in __kernel_vsyscall ()
#1  0xb650e0e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb66ee2ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7df3172 in QWaitCondition::wait (this=0x9bcad80, mutex=0x9bcad7c, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0xb7731ac2 in QHostInfoAgent::run (this=0x9bcad70) at kernel/qhostinfo.cpp:260
#5  0xb7df2132 in QThreadPrivate::start (arg=0x9bcad70) at thread/qthread_unix.cpp:188
#6  0xb650a4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb66df49e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb6016700 (LWP 4179)):
[KCrash Handler]
#6  0xb5dbc1da in Plasma::ExtenderItem::group (this=0xbfe1a0d4) at /build/buildd/kde4libs-4.3.1/plasma/extenderitem.cpp:330
#7  0xa85e8e18 in ?? () from /usr/lib/kde4/plasma_applet_systemtray.so
#8  0xa85ed9e3 in ?? () from /usr/lib/kde4/plasma_applet_systemtray.so
#9  0xb7efc1b8 in QMetaObject::activate (sender=0x9c4f5c8, from_signal_index=5, to_signal_index=6, argv=0xbfe1a1fc) at kernel/qobject.cpp:3113
#10 0xb7efc5f0 in QMetaObject::activate (sender=0x9c4f5c8, m=0xb720de48, from_local_signal_index=1, to_local_signal_index=2, argv=0xbfe1a1fc) at kernel/qobject.cpp:3207
#11 0xb699e6c1 in QAction::triggered (this=0x9c4f5c8, _t1=false) at .moc/release-shared/moc_qaction.cpp:236
#12 0xb699fc3f in QAction::activate (this=0x9c4f5c8, event=QAction::Trigger) at kernel/qaction.cpp:1160
#13 0xb69a2983 in QAction::qt_metacall (this=0x9c4f5c8, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfe1a308) at kernel/qaction.h:203
#14 0xb7efc1b8 in QMetaObject::activate (sender=0x9bfb1e8, from_signal_index=6, to_signal_index=6, argv=0x0) at kernel/qobject.cpp:3113
#15 0xb7efce42 in QMetaObject::activate (sender=0x9bfb1e8, m=0xb5ee6ed0, local_signal_index=1, argv=0x0) at kernel/qobject.cpp:3187
#16 0xb5e1ab47 in Plasma::IconWidget::clicked (this=0x9bfb1e8) at /build/buildd/kde4libs-4.3.1/obj-i486-linux-gnu/plasma/iconwidget.moc:183
#17 0xb5e1c4c0 in Plasma::IconWidget::mouseReleaseEvent (this=0x9bfb1e8, event=0xbfe1aa04) at /build/buildd/kde4libs-4.3.1/plasma/widgets/iconwidget.cpp:1173
#18 0xb6fb2144 in QGraphicsItem::sceneEvent (this=0x9bfb1f0, event=0xbfe1aa04) at graphicsview/qgraphicsitem.cpp:5030
#19 0xb700295f in QGraphicsWidget::sceneEvent (this=0x9bfb1e8, event=0xbfe1aa04) at graphicsview/qgraphicswidget.cpp:1110
#20 0xb6fd77bc in QGraphicsScenePrivate::sendEvent (this=0x937fe60, item=0x9bfb1f0, event=0xbfe1aa04) at graphicsview/qgraphicsscene.cpp:1159
#21 0xb6fd8e22 in QGraphicsScenePrivate::sendMouseEvent (this=0x937fe60, mouseEvent=0xbfe1aa04) at graphicsview/qgraphicsscene.cpp:1230
#22 0xb6fe3431 in QGraphicsScene::mouseReleaseEvent (this=0x9448fc8, mouseEvent=0xbfe1aa04) at graphicsview/qgraphicsscene.cpp:4445
#23 0xb6fe508a in QGraphicsScene::event (this=0x9448fc8, event=0xbfe1aa04) at graphicsview/qgraphicsscene.cpp:3808
#24 0xb69a4d3c in QApplicationPrivate::notify_helper (this=0x93089b8, receiver=0x9448fc8, e=0xbfe1aa04) at kernel/qapplication.cpp:4056
#25 0xb69ad03e in QApplication::notify (this=0x9302f10, receiver=0x9448fc8, e=0xbfe1aa04) at kernel/qapplication.cpp:3603
#26 0xb74b485d in KApplication::notify (this=0x9302f10, receiver=0x9448fc8, event=0xbfe1aa04) at /build/buildd/kde4libs-4.3.1/kdeui/kernel/kapplication.cpp:302
#27 0xb7ee6bcb in QCoreApplication::notifyInternal (this=0x9302f10, receiver=0x9448fc8, event=0xbfe1aa04) at kernel/qcoreapplication.cpp:610
#28 0xb6ff7712 in QGraphicsView::mouseReleaseEvent (this=0x9de7540, event=0xbfe1b008) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#29 0xb69fb973 in QWidget::event (this=0x9de7540, event=0xbfe1b008) at kernel/qwidget.cpp:7549
#30 0xb6daca53 in QFrame::event (this=0x9de7540, e=0xbfe1b008) at widgets/qframe.cpp:559
#31 0xb6e4cc2f in QAbstractScrollArea::viewportEvent (this=0x9de7540, e=0x0) at widgets/qabstractscrollarea.cpp:962
#32 0xb6ff79b2 in QGraphicsView::viewportEvent (this=0x9de7540, event=0xbfe1b008) at graphicsview/qgraphicsview.cpp:2919
#33 0xb6e4f235 in QAbstractScrollAreaFilter::eventFilter (this=0x9de3410, o=0x9da41e0, e=0xbfe1b008) at widgets/qabstractscrollarea_p.h:100
#34 0xb7ee5dea in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x93089b8, receiver=0x9da41e0, event=0xbfe1b008) at kernel/qcoreapplication.cpp:726
#35 0xb69a4d1a in QApplicationPrivate::notify_helper (this=0x93089b8, receiver=0x9da41e0, e=0xbfe1b008) at kernel/qapplication.cpp:4052
#36 0xb69ad9b1 in QApplication::notify (this=0x9302f10, receiver=0x9da41e0, e=0xbfe1b008) at kernel/qapplication.cpp:3758
#37 0xb74b485d in KApplication::notify (this=0x9302f10, receiver=0x9da41e0, event=0xbfe1b008) at /build/buildd/kde4libs-4.3.1/kdeui/kernel/kapplication.cpp:302
#38 0xb7ee6bcb in QCoreApplication::notifyInternal (this=0x9302f10, receiver=0x9da41e0, event=0xbfe1b008) at kernel/qcoreapplication.cpp:610
#39 0xb69aca1e in QApplicationPrivate::sendMouseEvent (receiver=0x9da41e0, event=0xbfe1b008, alienWidget=0x9da41e0, nativeWidget=0x9c95610, buttonDown=0xb7226aa0, lastMouseReceiver=@0xb7226aa4)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#40 0xb6a1ccce in QETWidget::translateMouseEvent (this=0x9c95610, event=0xbfe1c69c) at kernel/qapplication_x11.cpp:4409
#41 0xb6a1c085 in QApplication::x11ProcessEvent (this=0x9302f10, event=0xbfe1c69c) at kernel/qapplication_x11.cpp:3428
#42 0xb6a4737a in x11EventSourceDispatch (s=0x930b868, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#43 0xb6556b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#44 0xb655a0eb in ?? () from /usr/lib/libglib-2.0.so.0
#45 0xb655a268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#46 0xb7f122f8 in QEventDispatcherGlib::processEvents (this=0x93086d0, flags={i = -1075722152}) at kernel/qeventdispatcher_glib.cpp:327
#47 0xb6a46a75 in QGuiEventDispatcherGlib::processEvents (this=0x93086d0, flags={i = -1075722104}) at kernel/qguieventdispatcher_glib.cpp:202
#48 0xb7ee51fa in QEventLoop::processEvents (this=0xbfe1c900, flags={i = -1075722040}) at kernel/qeventloop.cpp:149
#49 0xb7ee5642 in QEventLoop::exec (this=0xbfe1c900, flags={i = -1075721976}) at kernel/qeventloop.cpp:201
#50 0xb7ee7ae9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#51 0xb69a4bb7 in QApplication::exec () at kernel/qapplication.cpp:3525
#52 0xb3bff120 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#53 0x0804e27d in launch (argc=1, _name=0x928357c "/usr/bin/plasma-desktop", args=0x9283594 "", cwd=0x0, envc=0, envs=0x9283598 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x805136d "0") at /build/buildd/kde4libs-4.3.1/kinit/kinit.cpp:677
#54 0x0804ea5d in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.3.1/kinit/kinit.cpp:1169
#55 0x0804efe5 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.3.1/kinit/kinit.cpp:1362
#56 0x0804fbca in main (argc=2, argv=0xbfe1d0f4, envp=0xbfe1d100) at /build/buildd/kde4libs-4.3.1/kinit/kinit.cpp:1793

Reported using DrKonqi