Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-16-generic-pae i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
Updating 41 bug fixes and 6 security updates. Firefox running along with a Konqueror session. No loss of functionality. Buf fixes still downloading.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5854700 (LWP 26616))]

Thread 2 (Thread 0xa8a92b70 (LWP 26617)):
#0  0xb788a430 in __kernel_vsyscall ()
#1  0xb5faee15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb617378d in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7688e67 in QWaitConditionPrivate::wait (this=0x9db1590, mutex=0x9db158c, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0x9db1590, mutex=0x9db158c, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0xb5ec0922 in QHostInfoAgent::run (this=0x9db1580) at kernel/qhostinfo.cpp:260
#6  0xb7687e32 in QThreadPrivate::start (arg=0x9db1580) at thread/qthread_unix.cpp:188
#7  0xb5faa80e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0xb61667ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5854700 (LWP 26616)):
[KCrash Handler]
#6  0xb55f93d3 in Plasma::ExtenderItem::config (this=0xd482840) at ../../plasma/extenderitem.cpp:153
#7  0xb55fb14d in Plasma::ExtenderItem::isGroup (this=0xd482840) at ../../plasma/extenderitem.cpp:341
#8  0xb55f11af in Plasma::Extender::isEmpty (this=0x9cf9288) at ../../plasma/extender.cpp:717
#9  0xb55f1217 in Plasma::ExtenderPrivate::updateEmptyExtenderLabel (this=0x9cb50b0) at ../../plasma/extender.cpp:681
#10 0xb55f1867 in Plasma::Extender::itemRemovedEvent (this=0x9cf9288, item=0xd7609d0) at ../../plasma/extender.cpp:447
#11 0xb55f0a9f in Plasma::ExtenderPrivate::removeExtenderItem (this=0x9cb50b0, item=0xd7609d0) at ../../plasma/extender.cpp:562
#12 0xb55fa3af in Plasma::ExtenderItem::destroy (this=0xd7609d0) at ../../plasma/extenderitem.cpp:445
#13 0xb55fc3db in Plasma::ExtenderItem::qt_metacall (this=0xd7609d0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbfdd263c) at ./extenderitem.moc:93
#14 0xb778e263 in QMetaObject::activate (sender=0xc7fe1a8, from_signal_index=6, to_signal_index=6, argv=0x0) at kernel/qobject.cpp:3113
#15 0xb778eec2 in QMetaObject::activate (sender=0xc7fe1a8, m=0xb5721f30, local_signal_index=1, argv=0x0) at kernel/qobject.cpp:3187
#16 0xb5657f57 in Plasma::IconWidget::clicked (this=0xc7fe1a8) at ./iconwidget.moc:183
#17 0xb565ab30 in Plasma::IconWidget::mouseReleaseEvent (this=0xc7fe1a8, event=0xbfdd2dbc) at ../../plasma/widgets/iconwidget.cpp:1173
#18 0xb69fd8bc in QGraphicsItem::sceneEvent (this=0xc7fe1b0, event=0xbfdd2dbc) at graphicsview/qgraphicsitem.cpp:5030
#19 0xb6a4a9ef in QGraphicsWidget::sceneEvent (this=0xc7fe1a8, event=0xbfdd2dbc) at graphicsview/qgraphicswidget.cpp:1110
#20 0xb6a1fe14 in QGraphicsScenePrivate::sendEvent (this=0x9868280, item=0xc7fe1b0, event=0xbfdd2dbc) at graphicsview/qgraphicsscene.cpp:1159
#21 0xb6a21443 in QGraphicsScenePrivate::sendMouseEvent (this=0x9868280, mouseEvent=0xbfdd2dbc) at graphicsview/qgraphicsscene.cpp:1230
#22 0xb6a2c344 in QGraphicsScene::mouseReleaseEvent (this=0x98b1b58, mouseEvent=0xbfdd2dbc) at graphicsview/qgraphicsscene.cpp:4445
#23 0xb6a2df87 in QGraphicsScene::event (this=0x98b1b58, event=0xbfdd2dbc) at graphicsview/qgraphicsscene.cpp:3808
#24 0xb63f1f54 in QApplicationPrivate::notify_helper (this=0x980a920, receiver=0x98b1b58, e=0xbfdd2dbc) at kernel/qapplication.cpp:4056
#25 0xb63f967c in QApplication::notify (this=0x97e3a58, receiver=0x98b1b58, e=0xbfdd2dbc) at kernel/qapplication.cpp:3603
#26 0xb6e41bfa in KApplication::notify (this=0x97e3a58, receiver=0x98b1b58, event=0xbfdd2dbc) at ../../kdeui/kernel/kapplication.cpp:302
#27 0xb77786cb in QCoreApplication::notifyInternal (this=0x97e3a58, receiver=0x98b1b58, event=0xbfdd2dbc) at kernel/qcoreapplication.cpp:610
#28 0xb6a3fb1e in QCoreApplication::sendEvent (this=0x9dbb668, event=0xbfdd33e0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#29 QGraphicsView::mouseReleaseEvent (this=0x9dbb668, event=0xbfdd33e0) at graphicsview/qgraphicsview.cpp:3382
#30 0xb6447012 in QWidget::event (this=0x9dbb668, event=0xbfdd33e0) at kernel/qwidget.cpp:7549
#31 0xb67f6633 in QFrame::event (this=0x9dbb668, e=0xbfdd33e0) at widgets/qframe.cpp:559
#32 0xb6895494 in QAbstractScrollArea::viewportEvent (this=0xb56fb1e2, e=0x20) at widgets/qabstractscrollarea.cpp:962
#33 0xb6a3f51f in QGraphicsView::viewportEvent (this=0x9dbb668, event=0xbfdd33e0) at graphicsview/qgraphicsview.cpp:2919
#34 0xb6897a95 in QAbstractScrollAreaPrivate::viewportEvent (this=0x9dd0408, o=0x9d47928, e=0xbfdd33e0) at widgets/qabstractscrollarea_p.h:100
#35 QAbstractScrollAreaFilter::eventFilter (this=0x9dd0408, o=0x9d47928, e=0xbfdd33e0) at widgets/qabstractscrollarea_p.h:111
#36 0xb777783a in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x980a920, receiver=0x9d47928, event=0xbfdd33e0) at kernel/qcoreapplication.cpp:726
#37 0xb63f1f2c in QApplicationPrivate::notify_helper (this=0x980a920, receiver=0x9d47928, e=0xbfdd33e0) at kernel/qapplication.cpp:4052
#38 0xb63fa033 in QApplication::notify (this=0x97e3a58, receiver=0x9d47928, e=0xbfdd33e0) at kernel/qapplication.cpp:3758
#39 0xb6e41bfa in KApplication::notify (this=0x97e3a58, receiver=0x9d47928, event=0xbfdd33e0) at ../../kdeui/kernel/kapplication.cpp:302
#40 0xb77786cb in QCoreApplication::notifyInternal (this=0x97e3a58, receiver=0x9d47928, event=0xbfdd33e0) at kernel/qcoreapplication.cpp:610
#41 0xb63f8f6e in QCoreApplication::sendSpontaneousEvent (receiver=0x9d47928, event=0xbfdd33e0, alienWidget=0x9d47928, nativeWidget=0x9d549a0, buttonDown=0xb6c6caa0, lastMouseReceiver=...)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#42 QApplicationPrivate::sendMouseEvent (receiver=0x9d47928, event=0xbfdd33e0, alienWidget=0x9d47928, nativeWidget=0x9d549a0, buttonDown=0xb6c6caa0, lastMouseReceiver=...)
    at kernel/qapplication.cpp:2924
#43 0xb64677c0 in QETWidget::translateMouseEvent (this=0x9d549a0, event=0xbfdd4a2c) at kernel/qapplication_x11.cpp:4409
#44 0xb6466c4b in QApplication::x11ProcessEvent (this=0x97e3a58, event=0xbfdd4a2c) at kernel/qapplication_x11.cpp:3428
#45 0xb6493502 in x11EventSourceDispatch (s=0x980d500, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#46 0xb5ff6e88 in g_main_dispatch (context=0x980c890) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:1960
#47 IA__g_main_context_dispatch (context=0x980c890) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:2513
#48 0xb5ffa730 in g_main_context_iterate (context=0x980c890, block=<value optimized out>, dispatch=1, self=0x980a428) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:2591
#49 0xb5ffa863 in IA__g_main_context_iteration (context=0x980c890, may_block=1) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:2654
#50 0xb77a302c in QEventDispatcherGlib::processEvents (this=0x980a710, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#51 0xb6492be5 in QGuiEventDispatcherGlib::processEvents (this=0x980a710, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#52 0xb7776c79 in QEventLoop::processEvents (this=0xbfdd4d24, flags=) at kernel/qeventloop.cpp:149
#53 0xb77770ca in QEventLoop::exec (this=0xbfdd4d24, flags=...) at kernel/qeventloop.cpp:201
#54 0xb777953f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#55 0xb63f1dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#56 0xb43cb80d in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#57 0x0804dde1 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x97f8268 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80511a5 "0") at ../../kinit/kinit.cpp:677
#58 0x0804ea35 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#59 0x0804eeac in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1362
#60 0x0804fbaf in main (argc=2, argv=0xbfdd5584, envp=0xbfdd5590) at ../../kinit/kinit.cpp:1793

Reported using DrKonqi