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 2.6.31-15-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
I'm having the same issue.

 -- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
[KCrash Handler]
#6  0x01bfcc9c in QAbstractItemView::setState (this=0x938cc90, state=QAbstractItemView::NoState) at itemviews/qabstractitemview.cpp:3277
#7  0x01c08d02 in QAbstractItemView::mouseMoveEvent (this=0x938cc90, event=0xbf865e40) at itemviews/qabstractitemview.cpp:1553
#8  0x00138404 in DolphinDetailsView::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libdolphinprivate.so.4
#9  0x0170be63 in QWidget::event (this=0x938cc90, event=0xbf865e40) at kernel/qwidget.cpp:7534
#10 0x01abb633 in QFrame::event (this=0x938cc90, e=0xbf865e40) at widgets/qframe.cpp:559
#11 0x01b5a494 in QAbstractScrollArea::viewportEvent (this=0x43da3a0, e=0x0) at widgets/qabstractscrollarea.cpp:962
#12 0x01c0e087 in QAbstractItemView::viewportEvent (this=0x938cc90, event=0xbf865e40) at itemviews/qabstractitemview.cpp:1476
#13 0x01c49434 in QTreeView::viewportEvent (this=0x938cc90, event=0xbf865e40) at itemviews/qtreeview.cpp:1266
#14 0x01b5ca95 in QAbstractScrollAreaPrivate::viewportEvent (this=0x938db40, o=0x938c4b8, e=0xbf865e40) at widgets/qabstractscrollarea_p.h:100
#15 QAbstractScrollAreaFilter::eventFilter (this=0x938db40, o=0x938c4b8, e=0xbf865e40) at widgets/qabstractscrollarea_p.h:111
#16 0x03a1e83a in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x898ba78, receiver=0x938c4b8, event=0xbf865e40) at kernel/qcoreapplication.cpp:726
#17 0x016b6f2c in QApplicationPrivate::notify_helper (this=0x898ba78, receiver=0x938c4b8, e=0xbf865e40) at kernel/qapplication.cpp:4052
#18 0x016bf033 in QApplication::notify (this=0xbf86674c, receiver=0x938c4b8, e=0xbf865e40) at kernel/qapplication.cpp:3758
#19 0x00f7fbfa in KApplication::notify (this=0xbf86674c, receiver=0x938c4b8, event=0xbf865e40) at ../../kdeui/kernel/kapplication.cpp:302
#20 0x03a1f6cb in QCoreApplication::notifyInternal (this=0xbf86674c, receiver=0x938c4b8, event=0xbf865e40) at kernel/qcoreapplication.cpp:610
#21 0x0015369b in ?? () from /usr/lib/libdolphinprivate.so.4
#22 0x00153701 in ?? () from /usr/lib/libdolphinprivate.so.4
#23 0x03a35263 in QMetaObject::activate (sender=0x9391110, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#24 0x03a35ec2 in QMetaObject::activate (sender=0x9391110, m=0x3b10904, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#25 0x03a6f667 in QTimer::timeout (this=0x9391110) at .moc/release-shared/moc_qtimer.cpp:128
#26 0x03a3a9ae in QTimer::timerEvent (this=0x9391110, e=0xbf8663e0) at kernel/qtimer.cpp:261
#27 0x03a2f3bf in QObject::event (this=0x9391110, e=0xbf8663e0) at kernel/qobject.cpp:1075
#28 0x016b6f54 in QApplicationPrivate::notify_helper (this=0x898ba78, receiver=0x9391110, e=0xbf8663e0) at kernel/qapplication.cpp:4056
#29 0x016be67c in QApplication::notify (this=0xbf86674c, receiver=0x9391110, e=0xbf8663e0) at kernel/qapplication.cpp:3603
#30 0x00f7fbfa in KApplication::notify (this=0xbf86674c, receiver=0x9391110, event=0xbf8663e0) at ../../kdeui/kernel/kapplication.cpp:302
#31 0x03a1f6cb in QCoreApplication::notifyInternal (this=0xbf86674c, receiver=0x9391110, event=0xbf8663e0) at kernel/qcoreapplication.cpp:610
#32 0x03a4c7ce in QCoreApplication::sendEvent (this=0x8978934) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#33 QTimerInfoList::activateTimers (this=0x8978934) at kernel/qeventdispatcher_unix.cpp:572
#34 0x03a4a0e0 in timerSourceDispatch (source=0x8978900) at kernel/qeventdispatcher_glib.cpp:165
#35 0x01177e78 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#36 0x0117b720 in ?? () from /lib/libglib-2.0.so.0
#37 0x0117b853 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#38 0x03a4a02c in QEventDispatcherGlib::processEvents (this=0x8958a30, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#39 0x01757be5 in QGuiEventDispatcherGlib::processEvents (this=0x8958a30, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#40 0x03a1dc79 in QEventLoop::processEvents (this=0xbf8666a4, flags=) at kernel/qeventloop.cpp:149
#41 0x03a1e0ca in QEventLoop::exec (this=0xbf8666a4, flags=...) at kernel/qeventloop.cpp:201
#42 0x03a2053f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#43 0x016b6dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#44 0x0807a745 in _start ()

Reported using DrKonqi