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 2.6.31-14-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
I don't know what happened as I wasn't using the computer at the time, but there is a good backtrace :D

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
The current source language is "auto; currently c".
[Current thread is 1 (Thread 0x7f1e6772f750 (LWP 1931))]

Thread 2 (Thread 0x7f1e47614910 (LWP 1934)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f1e6716d4fb in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x13dc818, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x13dc818, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f1e635a478c in QHostInfoAgent::run (this=0x13dc800) at kernel/qhostinfo.cpp:260
#4  0x00007f1e6716c445 in QThreadPrivate::start (arg=0x13dc800) at thread/qthread_unix.cpp:188
#5  0x00007f1e63ee2a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007f1e64ac27bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f1e6772f750 (LWP 1931)):
[KCrash Handler]
#5  0x00007f1e5ed89a70 in Plasma::ExtenderItem::config (this=0x143d790) at ../../plasma/extenderitem.cpp:153
#6  0x00007f1e5ed8b732 in Plasma::ExtenderItem::isGroup (this=0x7f1e5ee78577) at ../../plasma/extenderitem.cpp:341
#7  0x00007f1e5ed81f25 in Plasma::Extender::isEmpty (this=<value optimized out>) at ../../plasma/extender.cpp:717
#8  0x00007f1e5ed81f89 in Plasma::ExtenderPrivate::updateEmptyExtenderLabel (this=0x1437c30) at ../../plasma/extender.cpp:681
#9  0x00007f1e5ed82616 in Plasma::Extender::itemAddedEvent (this=0x117e5d0, item=0x1c99f50, pos=<value optimized out>) at ../../plasma/extender.cpp:432
#10 0x00007f1e5ed81764 in Plasma::ExtenderPrivate::addExtenderItem (this=0x1437c30, item=0x1c99f50, pos=...) at ../../plasma/extender.cpp:546
#11 0x00007f1e5ed8c3e5 in Plasma::ExtenderItem::setExtender (this=0x1c99f50, extender=0x117e5d0, pos=...) at ../../plasma/extenderitem.cpp:247
#12 0x00007f1e5ed8d1ba in ExtenderItem (this=0x1c99f50, hostExtender=<value optimized out>, extenderItemId=<value optimized out>) at ../../plasma/extenderitem.cpp:129
#13 0x00007f1e49356658 in SystemTray::Applet::addNotification (this=0xe2e040, notification=0x21b9b20, type=<value optimized out>, alignment=<value optimized out>)
    at ../../../../plasma/applets/systemtray/ui/applet.cpp:671
#14 0x00007f1e4935b2fe in SystemTray::Applet::addNotification (this=0xe2e040, notification=0x21b9b20) at ../../../../plasma/applets/systemtray/ui/applet.cpp:662
#15 0x00007f1e4935c344 in SystemTray::Applet::qt_metacall (this=0xe2e040, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffa2a54e20) at ./applet.moc:86
#16 0x00007f1e67267ddc in QMetaObject::activate (sender=0xe61550, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x26eb464) at kernel/qobject.cpp:3113
#17 0x00007f1e49339d32 in SystemTray::Manager::notificationAdded (this=0x7fffa2a54510, _t1=0x21b9b20) at ./manager.moc:146
#18 0x00007f1e4933aef4 in SystemTray::Manager::qt_metacall (this=0xe61550, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffa2a54f60) at ./manager.moc:109
#19 0x00007f1e67267ddc in QMetaObject::activate (sender=0x1475180, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x26eb464) at kernel/qobject.cpp:3113
#20 0x00007f1e4933b192 in SystemTray::Protocol::notificationCreated (this=0x7fffa2a54510, _t1=0x21b9b20) at ./protocol.moc:99
#21 0x00007f1e493487e2 in SystemTray::DBusNotificationProtocol::dataUpdated (this=0x1475180, source=<value optimized out>, data=<value optimized out>)
    at ../../../../plasma/applets/systemtray/protocols/notifications/dbusnotificationprotocol.cpp:124
#22 0x00007f1e49349548 in SystemTray::DBusNotificationProtocol::qt_metacall (this=0x1475180, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffa2a553a0)
    at ./dbusnotificationprotocol.moc:78
#23 0x00007f1e6725ae67 in QMetaMethod::invoke (this=0x7fffa2a55650, object=0x1475180, connectionType=<value optimized out>, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., 
    val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1522
#24 0x00007f1e6725b506 in QMetaObject::invokeMethod (obj=0x1475180, member=<value optimized out>, type=<value optimized out>, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., 
    val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1114
#25 0x00007f1e5ed75f18 in QMetaObject::invokeMethod (this=<value optimized out>, s=0xd4fce0, visualization=0x1475180, pollingInterval=<value optimized out>, align=<value optimized out>, 
    immediateCall=<value optimized out>) at /usr/include/qt4/QtCore/qobjectdefs.h:403
#26 Plasma::DataEnginePrivate::connectSource (this=<value optimized out>, s=0xd4fce0, visualization=0x1475180, pollingInterval=<value optimized out>, align=<value optimized out>, 
    immediateCall=<value optimized out>) at ../../plasma/dataengine.cpp:607
#27 0x00007f1e5ed76859 in Plasma::DataEngine::connectSource (this=0x1492900, source=<value optimized out>, visualization=0x1475180, pollingInterval=0, intervalAlignment=Plasma::NoAlignment)
    at ../../plasma/dataengine.cpp:94
#28 0x00007f1e4934955c in SystemTray::DBusNotificationProtocol::qt_metacall (this=0x1475180, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffa2a55bd0)
    at ./dbusnotificationprotocol.moc:77
#29 0x00007f1e67267ddc in QMetaObject::activate (sender=0x1492900, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x26eb464) at kernel/qobject.cpp:3113
#30 0x00007f1e5ed75632 in Plasma::DataEngine::sourceAdded (this=0x7fffa2a54510, _t1=<value optimized out>) at ./dataengine.moc:176
#31 0x00007f1e5ed76af0 in Plasma::DataEngine::setData (this=0x1492900, source=..., data=...) at ../../plasma/dataengine.cpp:210
#32 0x00007f1e467e8a80 in NotificationsEngine::Notify (this=0x1492900, app_name=<value optimized out>, replaces_id=<value optimized out>, app_icon=<value optimized out>, 
    summary=<value optimized out>, body=<value optimized out>, actions=..., hints=..., timeout=4360) at ../../../../plasma/dataengines/notifications/notificationsengine.cpp:200
#33 0x00007f1e467eb90e in NotificationsAdaptor::Notify (this=0x147b430, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffa2a562b0) at notificationsadaptor.cpp:57
#34 NotificationsAdaptor::qt_metacall (this=0x147b430, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffa2a562b0) at notificationsadaptor.moc:120
#35 0x00007f1e632d5ad4 in QDBusConnectionPrivate::deliverCall (this=<value optimized out>, object=<value optimized out>, msg=<value optimized out>, metaTypes=..., slotIdx=<value optimized out>)
    at qdbusintegrator.cpp:891
#36 0x00007f1e632d6cc3 in QDBusConnectionPrivate::activateCall (this=<value optimized out>, object=0x147b430, flags=273, msg=...) at qdbusintegrator.cpp:803
#37 0x00007f1e632d7547 in QDBusConnectionPrivate::activateObject (this=<value optimized out>, node=..., msg=<value optimized out>, pathStartPos=<value optimized out>) at qdbusintegrator.cpp:1347
#38 0x00007f1e632d77c8 in QDBusActivateObjectEvent::placeMetaCall (this=0x21f45d0) at qdbusintegrator.cpp:1464
#39 0x00007f1e672620f9 in QObject::event (this=0x1492900, e=0x21f45d0) at kernel/qobject.cpp:1111
#40 0x00007f1e65202efc in QApplicationPrivate::notify_helper (this=0xd52eb0, receiver=0x1492900, e=0x21f45d0) at kernel/qapplication.cpp:4056
#41 0x00007f1e6520a1ce in QApplication::notify (this=0xd07d40, receiver=0x1492900, e=0x21f45d0) at kernel/qapplication.cpp:4021
#42 0x00007f1e65e39ab6 in KApplication::notify (this=0xd07d40, receiver=0x1492900, event=0x21f45d0) at ../../kdeui/kernel/kapplication.cpp:302
#43 0x00007f1e67252c2c in QCoreApplication::notifyInternal (this=0xd07d40, receiver=0x1492900, event=0x21f45d0) at kernel/qcoreapplication.cpp:610
#44 0x00007f1e6725380a in QCoreApplication::sendEvent (receiver=0x0, event_type=<value optimized out>, data=0xcc34d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#45 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0xcc34d0) at kernel/qcoreapplication.cpp:1247
#46 0x00007f1e6727b533 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#47 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:210
#48 0x00007f1e64133bbe in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#49 0x00007f1e64137588 in ?? () from /lib/libglib-2.0.so.0
#50 0x00007f1e641376b0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#51 0x00007f1e6727b1a6 in QEventDispatcherGlib::processEvents (this=0xcc6040, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#52 0x00007f1e652974be in QGuiEventDispatcherGlib::processEvents (this=0x7fffa2a54510, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#53 0x00007f1e67251532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#54 0x00007f1e67251904 in QEventLoop::exec (this=0x7fffa2a56e00, flags=) at kernel/qeventloop.cpp:201
#55 0x00007f1e67253ab9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#56 0x00007f1e5b5d44cf in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/shells/desktop/main.cpp:50
#57 0x0000000000406da8 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=0x40a299 "0") at ../../kinit/kinit.cpp:677
#58 0x0000000000407aa0 in handle_launcher_request (sock=8, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#59 0x0000000000407f51 in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1362
#60 0x0000000000408bb2 in main (argc=2, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1793
The current source language is "auto; currently asm".
The current source language is "auto; currently c".

Reported using DrKonqi