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 2.6.28-16-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
When I clicked on a widget settings, plasma crashed.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 3758)]

Thread 3 (Thread 0xa92c0b90 (LWP 3759)):
#0  0xb7f99430 in __kernel_vsyscall ()
#1  0xb64af0e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb668f2ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7d96172 in QWaitCondition::wait (this=0x9ae7ea8, mutex=0x9ae7ea4, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0xb76d2ac2 in QHostInfoAgent::run (this=0x9ae7e98) at kernel/qhostinfo.cpp:260
#5  0xb7d95132 in QThreadPrivate::start (arg=0x9ae7e98) at thread/qthread_unix.cpp:188
#6  0xb64ab4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb668049e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xa324cb90 (LWP 3761)):
#0  0xb7f99430 in __kernel_vsyscall ()
#1  0xb64af412 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb668f344 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7d94b29 in thread_sleep (ti=0xa324c2b0) at thread/qthread_unix.cpp:297
#4  0xb7d94c5b in QThread::msleep (msecs=<value optimized out>) at thread/qthread_unix.cpp:323
#5  0xa93170c8 in ?? () from /usr/lib/kde4/plasma_applet_cwp.so
#6  0xb7d95132 in QThreadPrivate::start (arg=0xa0fa058) at thread/qthread_unix.cpp:188
#7  0xb64ab4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0xb668049e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5fb8a10 (LWP 3758)):
[KCrash Handler]
#6  0x080532db in QString::shared_null ()
#7  0xb7e9bd86 in QObject::connect (sender=0xb0e27e8, signal=0xa93e5b98 "applyClicked()", receiver=0xb0d6c60, method=0xa93e5b86 "configAccepted()", type=Qt::AutoConnection) at kernel/qobject.cpp:2490
#8  0xa93d9a75 in ClockApplet::createConfigurationInterface (this=0xb0d6c60, parent=0xb0e27e8) at /build/buildd/kdebase-workspace-4.3.2/libs/plasmaclock/clockapplet.cpp:403
#9  0xa7c43233 in ?? () from /usr/lib/kde4/plasma_applet_adjustableclock.so
#10 0xb5d23f29 in Plasma::Applet::showConfigurationInterface (this=0xb0d6c60) at /build/buildd/kde4libs-4.3.2/plasma/applet.cpp:1602
#11 0xb5d76562 in Plasma::AppletHandle::mouseReleaseEvent (this=0xb277960, event=0xbfb31b94) at /build/buildd/kde4libs-4.3.2/plasma/private/applethandle.cpp:532
#12 0xb6f53144 in QGraphicsItem::sceneEvent (this=0xb277968, event=0xbfb31b94) at graphicsview/qgraphicsitem.cpp:5030
#13 0xb6f787bc in QGraphicsScenePrivate::sendEvent (this=0x9678140, item=0xb277968, event=0xbfb31b94) at graphicsview/qgraphicsscene.cpp:1159
#14 0xb6f79e22 in QGraphicsScenePrivate::sendMouseEvent (this=0x9678140, mouseEvent=0xbfb31b94) at graphicsview/qgraphicsscene.cpp:1230
#15 0xb6f84431 in QGraphicsScene::mouseReleaseEvent (this=0x9670aa0, mouseEvent=0xbfb31b94) at graphicsview/qgraphicsscene.cpp:4445
#16 0xb6f8608a in QGraphicsScene::event (this=0x9670aa0, event=0xbfb31b94) at graphicsview/qgraphicsscene.cpp:3808
#17 0xb6945d3c in QApplicationPrivate::notify_helper (this=0x95ea590, receiver=0x9670aa0, e=0xbfb31b94) at kernel/qapplication.cpp:4056
#18 0xb694e03e in QApplication::notify (this=0x95e4ad0, receiver=0x9670aa0, e=0xbfb31b94) at kernel/qapplication.cpp:3603
#19 0xb745649d in KApplication::notify (this=0x95e4ad0, receiver=0x9670aa0, event=0xbfb31b94) at /build/buildd/kde4libs-4.3.2/kdeui/kernel/kapplication.cpp:302
#20 0xb7e89bcb in QCoreApplication::notifyInternal (this=0x95e4ad0, receiver=0x9670aa0, event=0xbfb31b94) at kernel/qcoreapplication.cpp:610
#21 0xb6f98712 in QGraphicsView::mouseReleaseEvent (this=0x9b35d78, event=0xbfb32198) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#22 0xb699c973 in QWidget::event (this=0x9b35d78, event=0xbfb32198) at kernel/qwidget.cpp:7549
#23 0xb6d4da53 in QFrame::event (this=0x9b35d78, e=0xbfb32198) at widgets/qframe.cpp:559
#24 0xb6dedc2f in QAbstractScrollArea::viewportEvent (this=0x9b35d78, e=0xb7f7cff4) at widgets/qabstractscrollarea.cpp:962
#25 0xb6f989b2 in QGraphicsView::viewportEvent (this=0x9b35d78, event=0xbfb32198) at graphicsview/qgraphicsview.cpp:2919
#26 0xb6df0235 in QAbstractScrollAreaFilter::eventFilter (this=0xa8e3890, o=0xa8e3968, e=0xbfb32198) at widgets/qabstractscrollarea_p.h:100
#27 0xb7e88dea in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x95ea590, receiver=0xa8e3968, event=0xbfb32198) at kernel/qcoreapplication.cpp:726
#28 0xb6945d1a in QApplicationPrivate::notify_helper (this=0x95ea590, receiver=0xa8e3968, e=0xbfb32198) at kernel/qapplication.cpp:4052
#29 0xb694e9b1 in QApplication::notify (this=0x95e4ad0, receiver=0xa8e3968, e=0xbfb32198) at kernel/qapplication.cpp:3758
#30 0xb745649d in KApplication::notify (this=0x95e4ad0, receiver=0xa8e3968, event=0xbfb32198) at /build/buildd/kde4libs-4.3.2/kdeui/kernel/kapplication.cpp:302
#31 0xb7e89bcb in QCoreApplication::notifyInternal (this=0x95e4ad0, receiver=0xa8e3968, event=0xbfb32198) at kernel/qcoreapplication.cpp:610
#32 0xb694da1e in QApplicationPrivate::sendMouseEvent (receiver=0xa8e3968, event=0xbfb32198, alienWidget=0xa8e3968, nativeWidget=0x9b35d78, buttonDown=0xb71c7aa0, lastMouseReceiver=@0xb71c7aa4)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#33 0xb69bdcce in QETWidget::translateMouseEvent (this=0x9b35d78, event=0xbfb3382c) at kernel/qapplication_x11.cpp:4409
#34 0xb69bd085 in QApplication::x11ProcessEvent (this=0x95e4ad0, event=0xbfb3382c) at kernel/qapplication_x11.cpp:3428
#35 0xb69e837a in x11EventSourceDispatch (s=0x95ed468, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#36 0xb64f8b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#37 0xb64fc0eb in ?? () from /usr/lib/libglib-2.0.so.0
#38 0xb64fc268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#39 0xb7eb52f8 in QEventDispatcherGlib::processEvents (this=0x95ea2a8, flags={i = -1078773272}) at kernel/qeventdispatcher_glib.cpp:327
#40 0xb69e7a75 in QGuiEventDispatcherGlib::processEvents (this=0x95ea2a8, flags={i = -1078773224}) at kernel/qguieventdispatcher_glib.cpp:202
#41 0xb7e881fa in QEventLoop::processEvents (this=0xbfb33a90, flags={i = -1078773160}) at kernel/qeventloop.cpp:149
#42 0xb7e88642 in QEventLoop::exec (this=0xbfb33a90, flags={i = -1078773096}) at kernel/qeventloop.cpp:201
#43 0xb7e8aae9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#44 0xb6945bb7 in QApplication::exec () at kernel/qapplication.cpp:3525
#45 0xb4b0a2f0 in kdemain (argc=1, argv=0x95be588) at /build/buildd/kdebase-workspace-4.3.2/plasma/shells/desktop/main.cpp:50
#46 0x0804e27d in launch (argc=1, _name=0x958357c "/usr/bin/plasma-desktop", args=0x9583594 "", cwd=0x0, envc=0, envs=0x9583598 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x805136d "0") at /build/buildd/kde4libs-4.3.2/kinit/kinit.cpp:677
#47 0x0804ea5d in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.3.2/kinit/kinit.cpp:1169
#48 0x0804efe5 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.3.2/kinit/kinit.cpp:1362
#49 0x0804fbca in main (argc=2, argv=0xbfb34284, envp=0xbfb34290) at /build/buildd/kde4libs-4.3.2/kinit/kinit.cpp:1793

Reported using DrKonqi