Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.90 (KDE 4.2.90 (KDE 4.3 Beta2))
Qt Version: 4.5.0
Operating System: Linux 2.6.28-11-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Dolphin crash, i'm open dolphin with quickaccess and some time later close dolphin and this crash...

 -- Backtrace:
Application: Plasma Workspace (kdeinit), signal: Segmentation fault
[Current thread is 0 (LWP 3514)]

Thread 2 (Thread 0xa938cb90 (LWP 3517)):
#0  0xb801c430 in __kernel_vsyscall ()
#1  0xb64e90e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb66c92ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7e1c9b2 in QWaitCondition::wait (this=0x97eb178, mutex=0x97eb174, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0xb7758152 in QHostInfoAgent::run (this=0x97eb168) at kernel/qhostinfo.cpp:260
#5  0xb7e1b96e in QThreadPrivate::start (arg=0x97eb168) at thread/qthread_unix.cpp:189
#6  0xb64e54ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb66ba49e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5ff3a10 (LWP 3514)):
[KCrash Handler]
#6  0xb78ea768 in KDirModelNode::rowNumber (this=0x0) at /build/buildd/kde4libs-4.2.90/kio/kio/kdirmodel.cpp:120
#7  0xb78ea810 in KDirModelPrivate::indexForNode (this=0xa391b40, node=0x0, rowNumber=-1) at /build/buildd/kde4libs-4.2.90/kio/kio/kdirmodel.cpp:284
#8  0xb78ef2ee in KDirModelPrivate::_k_slotNewItems (this=0xa391b40, directoryUrl=@0xa6d6b30, items=@0xa6d6b38) at /build/buildd/kde4libs-4.2.90/kio/kio/kdirmodel.cpp:377
#9  0xb78f068c in KDirModel::qt_metacall (this=0x926d740, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfd36d78) at /build/buildd/kde4libs-4.2.90/obj-i486-linux-gnu/kio/kdirmodel.moc:82
#10 0xa9646802 in ?? () from /usr/lib/kde4/plasma_applet_quickaccess.so
#11 0xb7f25ca8 in QMetaObject::activate (sender=0x987c0f0, from_signal_index=14, to_signal_index=14, argv=0xbfd36d78) at kernel/qobject.cpp:3069
#12 0xb7f26932 in QMetaObject::activate (sender=0x987c0f0, m=0xb7a5e01c, local_signal_index=10, argv=0xbfd36d78) at kernel/qobject.cpp:3143
#13 0xb78d3139 in KDirLister::itemsAdded (this=0x987c0f0, _t1=@0xa6d6b30, _t2=@0xa6d6b38) at /build/buildd/kde4libs-4.2.90/obj-i486-linux-gnu/kio/kdirlister.moc:268
#14 0xb78d4056 in KDirLister::Private::emitItems (this=0xa5aae90) at /build/buildd/kde4libs-4.2.90/kio/kio/kdirlister.cpp:2303
#15 0xb78d6ba4 in KDirListerCache::processPendingUpdates (this=0x95fad08) at /build/buildd/kde4libs-4.2.90/kio/kio/kdirlister.cpp:1796
#16 0xb78e5c0d in KDirListerCache::slotFilesChanged (this=0x95fad08, fileList=@0xa5fe478) at /build/buildd/kde4libs-4.2.90/kio/kio/kdirlister.cpp:850
#17 0xb78e67c2 in KDirListerCache::qt_metacall (this=0x95fad08, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfd36ffc) at /build/buildd/kde4libs-4.2.90/obj-i486-linux-gnu/kio/kdirlister_p.moc:93
#18 0xb7f25ca8 in QMetaObject::activate (sender=0x95fb160, from_signal_index=8, to_signal_index=8, argv=0xbfd36ffc) at kernel/qobject.cpp:3069
#19 0xb7f26932 in QMetaObject::activate (sender=0x95fb160, m=0xb7a5e274, local_signal_index=3, argv=0xbfd36ffc) at kernel/qobject.cpp:3143
#20 0xb78f2243 in OrgKdeKDirNotifyInterface::FilesChanged (this=0x95fb160, _t1=@0xa5fe478) at /build/buildd/kde4libs-4.2.90/obj-i486-linux-gnu/kio/kdirnotify.moc:118
#21 0xb78f240a in OrgKdeKDirNotifyInterface::qt_metacall (this=0x95fb160, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0xbfd37198)
    at /build/buildd/kde4libs-4.2.90/obj-i486-linux-gnu/kio/kdirnotify.moc:82
#22 0xb72c4d7a in QDBusConnectionPrivate::deliverCall (this=0x91fee18, object=0x95fb160, msg=@0xa6c3344, metaTypes=@0xa6c3348, slotIdx=8) at qdbusintegrator.cpp:891
#23 0xb72cd187 in QDBusCallDeliveryEvent::placeMetaCall (this=0xa6c3318, object=0x95fb160) at qdbusintegrator_p.h:101
#24 0xb7f203a0 in QObject::event (this=0x95fb160, e=0xa6c3318) at kernel/qobject.cpp:1118
#25 0xb699fe9c in QApplicationPrivate::notify_helper (this=0x9203fc0, receiver=0x95fb160, e=0xa6c3318) at kernel/qapplication.cpp:4084
#26 0xb69a819e in QApplication::notify (this=0x91fe090, receiver=0x95fb160, e=0xa6c3318) at kernel/qapplication.cpp:3631
#27 0xb74d9e8d in KApplication::notify (this=0x91fe090, receiver=0x95fb160, event=0xa6c3318) at /build/buildd/kde4libs-4.2.90/kdeui/kernel/kapplication.cpp:302
#28 0xb7f0fa3b in QCoreApplication::notifyInternal (this=0x91fe090, receiver=0x95fb160, event=0xa6c3318) at kernel/qcoreapplication.cpp:602
#29 0xb7f10695 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x919b2c8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#30 0xb7f1088d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1132
#31 0xb7f3b7ef in postEventSourceDispatch (s=0x9206120) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#32 0xb6532b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#33 0xb65360eb in ?? () from /usr/lib/libglib-2.0.so.0
#34 0xb6536268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#35 0xb7f3b438 in QEventDispatcherGlib::processEvents (this=0x92017b8, flags={i = -1076660328}) at kernel/qeventdispatcher_glib.cpp:323
#36 0xb6a41365 in QGuiEventDispatcherGlib::processEvents (this=0x92017b8, flags={i = -1076660280}) at kernel/qguieventdispatcher_glib.cpp:202
#37 0xb7f0e06a in QEventLoop::processEvents (this=0xbfd37840, flags={i = -1076660216}) at kernel/qeventloop.cpp:149
#38 0xb7f0e4aa in QEventLoop::exec (this=0xbfd37840, flags={i = -1076660152}) at kernel/qeventloop.cpp:200
#39 0xb7f10959 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#40 0xb699fd17 in QApplication::exec () at kernel/qapplication.cpp:3553
#41 0xb4b51820 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#42 0x0804e1c0 in launch (argc=1, _name=0x91c945c "/usr/bin/plasma-desktop", args=0x91c9474 "", cwd=0x0, envc=0, envs=0x91c9478 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80512d0 "0") at /build/buildd/kde4libs-4.2.90/kinit/kinit.cpp:671
#43 0x0804e99d in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.2.90/kinit/kinit.cpp:1163
#44 0x0804ef25 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.2.90/kinit/kinit.cpp:1356
#45 0x0804fb0a in main (argc=2, argv=0xbfd38034, envp=0xbfd38040) at /build/buildd/kde4libs-4.2.90/kinit/kinit.cpp:1783

Reported using DrKonqi