dolphin crashed on moving files

Dolphin crashed while moving files with the mouse.

dolphin:
  installierte Version: 4:4.2.1-0ubuntu1~intrepid2

Anwendung: Dolphin (dolphin), Signal SIGSEGV
[Current thread is 0 (LWP 10849)]

Thread 2 (Thread 0xb3fcab90 (LWP 11698)):
#0 0xb7f2b430 in __kernel_vsyscall ()
#1 0xb6586df1 in select () from /lib/tls/i686/cmov/libc.so.6
#2 0xb6854150 in ?? () from /usr/lib/libQtCore.so.4
#3 0xb67846ae in ?? () from /usr/lib/libQtCore.so.4
#4 0xb61bc50f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5 0xb658ea0e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5db86c0 (LWP 10849)):
[KCrash Handler]
#6 0xb7d70308 in KDirModelNode::rowNumber (this=0x0) at /build/buildd/kde4libs-4.2.1a/kio/kio/kdirmodel.cpp:115
#7 0xb7d74369 in KDirModelPrivate::_k_slotDeleteItems (this=0x92f9428, items=@0xbf92c548) at /build/buildd/kde4libs-4.2.1a/kio/kio/kdirmodel.cpp:472
#8 0xb7d75db5 in KDirModel::qt_metacall (this=0x92586f0, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbf92c50c) at /build/buildd/kde4libs-4.2.1a/obj-i486-linux-gnu/kio/kdirmodel.moc:78
#9 0xb6889a60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#10 0xb688a7e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#11 0xb7d59553 in KDirLister::itemsDeleted (this=0x95ff598, _t1=@0xbf92c548) at /build/buildd/kde4libs-4.2.1a/obj-i486-linux-gnu/kio/kdirlister.moc:287
#12 0xb7d5a461 in KDirLister::Private::emitItemsDeleted (this=0x94a4898, _items=@0x96877e4) at /build/buildd/kde4libs-4.2.1a/kio/kio/kdirlister.cpp:2320
#13 0xb7d641d0 in KDirListerCache::itemsDeleted (this=0x94588b0, listers=@0x931a1b0, deletedItems=@0x96877e4) at /build/buildd/kde4libs-4.2.1a/kio/kio/kdirlister.cpp:1680
#14 0xb7d649f2 in KDirListerCache::slotFilesRemoved (this=0x94588b0, fileList=@0xbf92c73c) at /build/buildd/kde4libs-4.2.1a/kio/kio/kdirlister.cpp:806
#15 0xb7d64e18 in KDirListerCache::slotFilesRemoved (this=0x94588b0, fileList=@0x9821e08) at /build/buildd/kde4libs-4.2.1a/kio/kio/kdirlister.cpp:761
#16 0xb7d6b2ba in KDirListerCache::qt_metacall (this=0x94588b0, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xbf92c83c) at /build/buildd/kde4libs-4.2.1a/obj-i486-linux-gnu/kio/kdirlister_p.moc:91
#17 0xb6889a60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#18 0xb688a7e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#19 0xb7d77833 in OrgKdeKDirNotifyInterface::FilesRemoved (this=0x933ed48, _t1=@0x9821e08) at /build/buildd/kde4libs-4.2.1a/obj-i486-linux-gnu/kio/kdirnotify.moc:123
#20 0xb7d77a32 in OrgKdeKDirNotifyInterface::qt_metacall (this=0x933ed48, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbf92c9d8)
    at /build/buildd/kde4libs-4.2.1a/obj-i486-linux-gnu/kio/kdirnotify.moc:82
#21 0xb728126e in ?? () from /usr/lib/libQtDBus.so.4
#22 0xb7288627 in ?? () from /usr/lib/libQtDBus.so.4
#23 0xb6884771 in QObject::event () from /usr/lib/libQtCore.so.4
#24 0xb6a978ec in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#25 0xb6a9f72e in QApplication::notify () from /usr/lib/libQtGui.so.4
#26 0xb76fc10d in KApplication::notify (this=0xbf92d104, receiver=0x933ed48, event=0x9a45758) at /build/buildd/kde4libs-4.2.1a/kdeui/kernel/kapplication.cpp:307
#27 0xb6874e61 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#28 0xb6875ae5 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#29 0xb6875cdd in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#30 0xb689f82f in ?? () from /usr/lib/libQtCore.so.4
#31 0xb60c0718 in IA__g_main_context_dispatch (context=0x9254a58) at /build/buildd/glib2.0-2.18.2/glib/gmain.c:2144
#32 0xb60c3dc3 in g_main_context_iterate (context=0x9254a58, block=1, dispatch=1, self=0x9258c60) at /build/buildd/glib2.0-2.18.2/glib/gmain.c:2778
#33 0xb60c3f81 in IA__g_main_context_iteration (context=0x9254a58, may_block=1) at /build/buildd/glib2.0-2.18.2/glib/gmain.c:2841
#34 0xb689f478 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#35 0xb6b31ea5 in ?? () from /usr/lib/libQtGui.so.4
#36 0xb687352a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#37 0xb68736ea in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#38 0xb6875da5 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#39 0xb6a97767 in QApplication::exec () from /usr/lib/libQtGui.so.4
#40 0x0808524f in main (argc=6, argv=0xbf92d2b4) at /build/buildd/kdebase-4.2.1/apps/dolphin/src/main.cpp:94