Application that crashed: dolphin
Version of the application: 1.3
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-22-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
I copied my .mozilla directory to my dropbox directory ( drag and drop ) then, when I clicked on the dropbox directory I changed viewing options to show the .mozilla sub-directory in dropbox. When I clicked on that directory Dolphin crashed

 -- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
[KCrash Handler]
#6  KDirModelNode::rowNumber (this=0x0) at ../../kio/kio/kdirmodel.cpp:120
#7  0x0020fa43 in KDirModelPrivate::indexForNode (this=0x9c8dc08, node=0x0, rowNumber=0) at ../../kio/kio/kdirmodel.cpp:284
#8  0x0021486b in KDirModelPrivate::_k_slotNewItems (this=0x9c8dc08, directoryUrl=..., items=...) at ../../kio/kio/kdirmodel.cpp:377
#9  0x00215d77 in KDirModel::qt_metacall (this=0x9c8dcb0, _c=QMetaObject::InvokeMetaMethod, _id=22, _a=0xbf96ada4) at ./kdirmodel.moc:82
#10 0x095f1263 in QMetaObject::activate (sender=0x9c8db80, from_signal_index=14, to_signal_index=14, argv=0xbf96ada4) at kernel/qobject.cpp:3113
#11 0x095f1ec2 in QMetaObject::activate (sender=0x9c8db80, m=0x80b7410, local_signal_index=10, argv=0xbf96ada4) at kernel/qobject.cpp:3187
#12 0x001f8469 in KDirLister::itemsAdded (this=0x9c8db80, _t1=..., _t2=...) at ./kdirlister.moc:268
#13 0x001f94fe in KDirLister::Private::emitItems (this=0x9c8db90) at ../../kio/kio/kdirlister.cpp:2303
#14 0x002047e7 in KDirListerCache::processPendingUpdates (this=0x9c483f0) at ../../kio/kio/kdirlister.cpp:1796
#15 0x002050af in KDirListerCache::slotFilesChanged (this=0x9c483f0, fileList=...) at ../../kio/kio/kdirlister.cpp:850
#16 0x0020b8a5 in KDirListerCache::qt_metacall (this=0x9c483f0, _c=QMetaObject::InvokeMetaMethod, _id=6, _a=0xbf96b0a8) at ./kdirlister_p.moc:93
#17 0x095f1263 in QMetaObject::activate (sender=0x9c3eff0, from_signal_index=8, to_signal_index=8, argv=0xbf96b0a8) at kernel/qobject.cpp:3113
#18 0x095f1ec2 in QMetaObject::activate (sender=0x9c3eff0, m=0x38a294, local_signal_index=3, argv=0xbf96b0a8) at kernel/qobject.cpp:3187
#19 0x00217503 in OrgKdeKDirNotifyInterface::FilesChanged (this=0x9c3eff0, _t1=...) at ./kdirnotify.moc:118
#20 0x002176d5 in OrgKdeKDirNotifyInterface::qt_metacall (this=0x9c3eff0, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbf96b22c) at ./kdirnotify.moc:82
#21 0x004237b4 in QDBusConnectionPrivate::deliverCall (this=0x99f0350, object=0x9c3eff0, msg=..., metaTypes=..., slotIdx=8) at qdbusintegrator.cpp:891
#22 0x0042b197 in QDBusCallDeliveryEvent::placeMetaCall(QObject*) () from /usr/lib/libQtDBus.so.4
#23 0x095eb5fe in QObject::event (this=0x9c3eff0, e=0x9fff4f8) at kernel/qobject.cpp:1111
#24 0x08701f54 in QApplicationPrivate::notify_helper (this=0x99f7be0, receiver=0x9c3eff0, e=0x9fff4f8) at kernel/qapplication.cpp:4056
#25 0x0870967c in QApplication::notify (this=0xbf96ba3c, receiver=0x9c3eff0, e=0x9fff4f8) at kernel/qapplication.cpp:3603
#26 0x00c1dbfa in KApplication::notify (this=0xbf96ba3c, receiver=0x9c3eff0, event=0x9fff4f8) at ../../kdeui/kernel/kapplication.cpp:302
#27 0x095db6cb in QCoreApplication::notifyInternal (this=0xbf96ba3c, receiver=0x9c3eff0, event=0x9fff4f8) at kernel/qcoreapplication.cpp:610
#28 0x095dc2b2 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x99d9e48) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#29 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x99d9e48) at kernel/qcoreapplication.cpp:1247
#30 0x095dc47d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1140
#31 0x096063ff in QCoreApplication::sendPostedEvents (s=0x99f9b10) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#32 postEventSourceDispatch (s=0x99f9b10) at kernel/qeventdispatcher_glib.cpp:210
#33 0x031bee88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#34 0x031c2730 in ?? () from /lib/libglib-2.0.so.0
#35 0x031c2863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#36 0x0960602c in QEventDispatcherGlib::processEvents (this=0x99d9a30, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#37 0x087a2be5 in QGuiEventDispatcherGlib::processEvents (this=0x99d9a30, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#38 0x095d9c79 in QEventLoop::processEvents (this=0xbf96b994, flags=) at kernel/qeventloop.cpp:149
#39 0x095da0ca in QEventLoop::exec (this=0xbf96b994, flags=...) at kernel/qeventloop.cpp:201
#40 0x095dc53f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#41 0x08701dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#42 0x0807a745 in _start ()

Reported using DrKonqi