Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.00 (KDE 4.3.0)
Qt Version: 4.5.2
Operating System: Linux 2.6.30.1-desktop-1mnb i686
Distribution: "Mandriva Linux 2010.0"

What I was doing when the application crashed:
Opening Konsole from Konsole Profiles applet on panel caushed plasma desktop background to turn black and bug buddy to pop up

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5f676d0 (LWP 2620))]

Thread 2 (Thread 0xa8f19b70 (LWP 2772)):
#0  0xffffe424 in __kernel_vsyscall ()
#1  0xb7dd49e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/libpthread.so.0
#2  0xb7e2ffc0 in QWaitCondition::wait (this=0x9c3ea78, mutex=0x9c3ea74, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#3  0xb6587d24 in QHostInfoAgent::run (this=0x9c3ea68) at kernel/qhostinfo.cpp:260
#4  0xb7e2ee93 in QThreadPrivate::start (arg=0x9c3ea68) at thread/qthread_unix.cpp:188
#5  0xb7dd0885 in start_thread () from /lib/i686/libpthread.so.0
#6  0xb682e57e in clone () from /lib/i686/libc.so.6

Thread 1 (Thread 0xb5f676d0 (LWP 2620)):
[KCrash Handler]
#6  0xb70d6847 in QGraphicsItem::isWidget (this=0x9d0b820) at graphicsview/qgraphicsitem.cpp:1143
#7  0xb70d96b2 in QGraphicsItem::isWindow (this=0x9d0b820) at graphicsview/qgraphicsitem.cpp:1156
#8  0xb711100f in QGraphicsScene::event (this=0x9a0a4e8, event=0xbfa93b34) at graphicsview/qgraphicsscene.cpp:3850
#9  0xb6ab86cc in QApplicationPrivate::notify_helper (this=0x98e5058, receiver=0x9a0a4e8, e=0xbfa93b34) at kernel/qapplication.cpp:4056
#10 0xb6ac010e in QApplication::notify (this=0x98bdec8, receiver=0x9a0a4e8, e=0xbfa93b34) at kernel/qapplication.cpp:3603
#11 0xb7506528 in KApplication::notify (this=0x98bdec8, receiver=0x9a0a4e8, event=0xbfa93b34) at /usr/src/debug/kdelibs-4.3.0/kdeui/kernel/kapplication.cpp:302
#12 0xb7f2675e in QCoreApplication::notifyInternal (this=0x98bdec8, receiver=0x9a0a4e8, event=0xbfa93b34) at kernel/qcoreapplication.cpp:610
#13 0xb7122a88 in QGraphicsView::viewportEvent (this=0x9f0c038, event=0xbfa93b34) at ../../src/corelib/kernel/qcoreapplication.h:213
#14 0xb6f6fe66 in QAbstractScrollAreaFilter::eventFilter (this=0xa0532e8, o=0xa052978, e=0xbfa93b34) at widgets/qabstractscrollarea_p.h:100
#15 0xb7f258fe in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x98e5058, receiver=0xa052978, event=0xbfa93b34) at kernel/qcoreapplication.cpp:726
#16 0xb6ab86a0 in QApplicationPrivate::notify_helper (this=0x98e5058, receiver=0xa052978, e=0xbfa93b34) at kernel/qapplication.cpp:4052
#17 0xb6ac005e in QApplication::notify (this=0x98bdec8, receiver=0xa052978, e=0xbfa93b34) at kernel/qapplication.cpp:4021
#18 0xb7506528 in KApplication::notify (this=0x98bdec8, receiver=0xa052978, event=0xbfa93b34) at /usr/src/debug/kdelibs-4.3.0/kdeui/kernel/kapplication.cpp:302
#19 0xb7f2675e in QCoreApplication::notifyInternal (this=0x98bdec8, receiver=0xa052978, event=0xbfa93b34) at kernel/qcoreapplication.cpp:610
#20 0xb6b0fadf in QWidget::event (this=0xbfa93b34, event=0xbfa93b34) at ../../src/corelib/kernel/qcoreapplication.h:213
#21 0xb6ecc255 in QFrame::event (this=0x9f0c038, e=0xbfa93b34) at widgets/qframe.cpp:559
#22 0xb6f6e2da in QAbstractScrollArea::event (this=0x9f0c038, e=0xbfa93b34) at widgets/qabstractscrollarea.cpp:918
#23 0xb7122878 in QGraphicsView::event (this=0x9f0c038, event=0xbfa93b34) at graphicsview/qgraphicsview.cpp:2840
#24 0xb6ab86cc in QApplicationPrivate::notify_helper (this=0x98e5058, receiver=0x9f0c038, e=0xbfa93b34) at kernel/qapplication.cpp:4056
#25 0xb6ac005e in QApplication::notify (this=0x98bdec8, receiver=0x9f0c038, e=0xbfa93b34) at kernel/qapplication.cpp:4021
#26 0xb7506528 in KApplication::notify (this=0x98bdec8, receiver=0x9f0c038, event=0xbfa93b34) at /usr/src/debug/kdelibs-4.3.0/kdeui/kernel/kapplication.cpp:302
#27 0xb7f2675e in QCoreApplication::notifyInternal (this=0x98bdec8, receiver=0x9f0c038, event=0xbfa93b34) at kernel/qcoreapplication.cpp:610
#28 0xb6ac3834 in QApplication::setActiveWindow (act=0x0) at ../../src/corelib/kernel/qcoreapplication.h:216
#29 0xb6b2f1e2 in QApplication::x11ProcessEvent (this=0x98bdec8, event=0xbfa9503c) at kernel/qapplication_x11.cpp:3469
#30 0xb6b5ade8 in x11EventSourceDispatch (s=0x98e7cf8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#31 0xb66a6ed2 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#32 0xb66aa888 in ?? () from /usr/lib/libglib-2.0.so.0
#33 0xb66aa9ae in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#34 0xb7f523c8 in QEventDispatcherGlib::processEvents (this=0x98e1cc0, flags={i = 36}) at kernel/qeventdispatcher_glib.cpp:327
#35 0xb6b5a51a in QGuiEventDispatcherGlib::processEvents (this=0x98e1cc0, flags={i = 36}) at kernel/qguieventdispatcher_glib.cpp:202
#36 0xb7f24d7d in QEventLoop::processEvents (this=0xbfa952f4, flags=) at kernel/qeventloop.cpp:149
#37 0xb7f251c9 in QEventLoop::exec (this=0xbfa952f4, flags={i = 0}) at kernel/qeventloop.cpp:201
#38 0xb7f27660 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#39 0xb6ab8544 in QApplication::exec () at kernel/qapplication.cpp:3525
#40 0xb4a194ae in kdemain (argc=1, argv=0x986b928) at /usr/src/debug/kdebase-workspace-4.3.0/plasma/shells/desktop/main.cpp:50
#41 0x0804dba8 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x98a9a18 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8051ba4 "0") at /usr/src/debug/kdelibs-4.3.0/kinit/kinit.cpp:676
#42 0x0804e2ed in handle_launcher_request (sock=7, who=<value optimized out>) at /usr/src/debug/kdelibs-4.3.0/kinit/kinit.cpp:1168
#43 0x0804f04c in handle_requests (waitForPid=<value optimized out>) at /usr/src/debug/kdelibs-4.3.0/kinit/kinit.cpp:1361
#44 0x0804f8c5 in main (argc=2, argv=0xbfa95a14, envp=0xbfa95a20) at /usr/src/debug/kdelibs-4.3.0/kinit/kinit.cpp:1788

Reported using DrKonqi