Application: plasma-desktop (0.3)
KDE Version: 4.3.75 (KDE 4.3.75 (KDE 4.4 >= 20091113))
Qt Version: 4.6.0
Operating System: Linux 2.6.31.6-desktop586-1mnb i686
Distribution: "Mandriva Linux 2010.0"

What I was doing when the application crashed:
I was opening Kontact from Konsole and after showing the tips dialog at Kontact startup, I got the "application crashed - bug report" window.

 -- Backtrace:
Application: Espace de travail Plasma (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb53c86d0 (LWP 17197))]

Thread 2 (Thread 0xa6554b70 (LWP 17291)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb74419e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/libpthread.so.0
#2  0xb74b2e70 in QWaitCondition::wait (this=0x9d8b468, mutex=0x9d8b464, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#3  0xb5abb054 in QHostInfoAgent::run (this=0x9d8b458) at kernel/qhostinfo.cpp:252
#4  0xb74b1e1f in QThreadPrivate::start (arg=0x9d8b458) at thread/qthread_unix.cpp:244
#5  0xb743d885 in start_thread () from /lib/i686/libpthread.so.0
#6  0xb5d6857e in clone () from /lib/i686/libc.so.6

Thread 1 (Thread 0xb53c86d0 (LWP 17197)):
[KCrash Handler]
#6  QGraphicsScenePrivate::processDirtyItemsRecursive (this=0x90b7ec0, item=0xa6957e8, dirtyAncestorContainsChildren=false, parentOpacity=1) at graphicsview/qgraphicsscene.cpp:4892
#7  0xb66ce17d in QGraphicsScenePrivate::_q_processDirtyItems (this=0x90b7ec0) at graphicsview/qgraphicsscene.cpp:466
#8  0xb66ce7f3 in QGraphicsScene::qt_metacall (this=0x90b80d0, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0xa6c5158) at .moc/release-shared/moc_qgraphicsscene.cpp:130
#9  0xb50cc452 in Plasma::Corona::qt_metacall () from /usr/lib/libplasma.so.3
#10 0xb2384d1e in DesktopCorona::qt_metacall (this=0x90b80d0, _c=QMetaObject::InvokeMetaMethod, _id=18, _a=0xa6c5158)
    at /usr/src/debug/kdebase-workspace-4.3.75svn1048496/build/plasma/desktop/shell/desktopcorona.moc:78
#11 0xb75bfb8d in QMetaObject::metacall (object=0x90b80d0, cl=174675944, idx=18, argv=0xa6c5158) at kernel/qmetaobject.cpp:237
#12 0xb75ca545 in QMetaCallEvent::placeMetaCall (this=0xa6c4b48, object=0x90b80d0) at kernel/qobject.cpp:562
#13 0xb75cb62f in QObject::event (this=0x90b80d0, e=0xa6c4b48) at kernel/qobject.cpp:1240
#14 0xb66ca6d0 in QGraphicsScene::event (this=0x90b80d0, event=0xa6c4b48) at graphicsview/qgraphicsscene.cpp:3450
#15 0xb600561c in QApplicationPrivate::notify_helper (this=0x8fb1290, receiver=0x90b80d0, e=0xa6c4b48) at kernel/qapplication.cpp:4242
#16 0xb600c440 in QApplication::notify (this=0x8fab1e8, receiver=0x90b80d0, e=0xa6c4b48) at kernel/qapplication.cpp:3661
#17 0xb6b3d7f1 in KApplication::notify () from /usr/lib/libkdeui.so.5
#18 0xb75ba81e in QCoreApplication::notifyInternal (this=0x8fab1e8, receiver=0x90b80d0, event=0xa6c4b48) at kernel/qcoreapplication.cpp:704
#19 0xb75bd223 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8f514c8) at kernel/qcoreapplication.h:215
#20 0xb75bd37c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1238
#21 0xb75e799d in postEventSourceDispatch (s=0x8fb35d0) at kernel/qcoreapplication.h:220
#22 0xb5bdcb92 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#23 0xb5be0468 in ?? () from /usr/lib/libglib-2.0.so.0
#24 0xb5be058e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#25 0xb75e7481 in QEventDispatcherGlib::processEvents (this=0x8fb0570, flags={i = 36}) at kernel/qeventdispatcher_glib.cpp:407
#26 0xb60c3f8a in QGuiEventDispatcherGlib::processEvents (this=0x8fb0570, flags={i = 36}) at kernel/qguieventdispatcher_glib.cpp:202
#27 0xb75b8e8d in QEventLoop::processEvents (this=0xbfda6784, flags=) at kernel/qeventloop.cpp:149
#28 0xb75b92d9 in QEventLoop::exec (this=0xbfda6784, flags={i = 0}) at kernel/qeventloop.cpp:201
#29 0xb75bd450 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#30 0xb60056c4 in QApplication::exec () at kernel/qapplication.cpp:3570
#31 0xb238cf45 in kdemain (argc=1, argv=0x8f9cfd8) at /usr/src/debug/kdebase-workspace-4.3.75svn1048496/plasma/desktop/shell/main.cpp:112
#32 0x0804dc07 in _start ()

Reported using DrKonqi