Application that crashed: dolphin
Version of the application: 1.3
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.3
Operating System: Linux 2.6.30-2-686 i686
Distribution: Debian GNU/Linux unstable (sid)

What I was doing when the application crashed:
I used gimp. Suddenly dolphin stopped act. I didn't notice, when this became. This situation happen twice and don't cause any serious problem.

 -- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
[KCrash Handler]
#6  0xb6aeb571 in QWidget::testAttribute_helper (this=0xa522d70, attribute=Qt::WA_Hover) at kernel/qwidget.cpp:9982
#7  0xb6aac64b in QWidget::testAttribute (this=0xbfd1be6c, receiver=0xa522d70, e=0xbfd17ffc) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:997
#8  QApplication::notify (this=0xbfd1be6c, receiver=0xa522d70, e=0xbfd17ffc) at kernel/qapplication.cpp:3789
#9  0xb77a562d in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#10 0xb686c1eb in QCoreApplication::notifyInternal (this=0xbfd1be6c, receiver=0xbfd1be6c, event=0xbfd17ffc) at kernel/qcoreapplication.cpp:610
#11 0xb6aab5de in QCoreApplication::sendSpontaneousEvent (receiver=0xa522d70, event=0xbfd17ffc, alienWidget=0x0, nativeWidget=0xa522d70, buttonDown=0xb731a580, lastMouseReceiver=...)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#12 QApplicationPrivate::sendMouseEvent (receiver=0xa522d70, event=0xbfd17ffc, alienWidget=0x0, nativeWidget=0xa522d70, buttonDown=0xb731a580, lastMouseReceiver=...) at kernel/qapplication.cpp:2924
#13 0xb6b1a175 in QETWidget::translateMouseEvent (this=0xa522d70, event=0xbfd195ac) at kernel/qapplication_x11.cpp:4411
#14 0xb6b19646 in QApplication::x11ProcessEvent (this=0xbfd1be6c, event=0xbfd195ac) at kernel/qapplication_x11.cpp:3430
#15 0xb6b43bc2 in x11EventSourceDispatch (s=0xa070400, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#16 0xb5e832e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#17 0xb5e87000 in ?? () from /lib/libglib-2.0.so.0
#18 0xb5e87198 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#19 0xb6897041 in QEventDispatcherGlib::processEvents (this=0xa04fd28, flags=...) at kernel/qeventdispatcher_glib.cpp:407
#20 0xb6b43305 in QGuiEventDispatcherGlib::processEvents (this=0xa04fd28, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#21 0xb686a83a in QEventLoop::processEvents (this=0xa481f10, flags=...) at kernel/qeventloop.cpp:149
#22 0xb686ac82 in QEventLoop::exec (this=0xa481f10, flags=...) at kernel/qeventloop.cpp:201
#23 0xb6b2bff6 in QDragManager::drag (this=0xa3728f8, o=0xa4c9c20) at kernel/qdnd_x11.cpp:1970
#24 0xb6ab6e9a in QDrag::exec (this=0xa4c9c20, supportedActions=..., defaultDropAction=Qt::IgnoreAction) at kernel/qdrag.cpp:282
#25 0xb7b7c744 in DragAndDropHelper::startDrag(QAbstractItemView*, QFlags<Qt::DropAction>, DolphinController*) () from /usr/lib/libdolphinprivate.so.4
#26 0xb7b6177e in DolphinIconsView::startDrag(QFlags<Qt::DropAction>) () from /usr/lib/libdolphinprivate.so.4
#27 0xb6fe9d85 in QAbstractItemView::mouseMoveEvent (this=0xbfd199b8, event=0xbfd1a57c) at itemviews/qabstractitemview.cpp:1552
#28 0xb7002bea in QListView::mouseMoveEvent (this=0xa25aad8, e=0xbfd1a57c) at itemviews/qlistview.cpp:833
#29 0xb778ccb9 in KCategorizedView::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libkdeui.so.5
#30 0xb6af9865 in QWidget::event (this=0xa25aad8, event=0xbfd1a57c) at kernel/qwidget.cpp:7539
#31 0xb6e9f543 in QFrame::event (this=0xa25aad8, e=0xbfd1a57c) at widgets/qframe.cpp:559
#32 0xb6f3d59f in QAbstractScrollArea::viewportEvent (this=0xa25aad8, e=0xa) at widgets/qabstractscrollarea.cpp:962
#33 0xb6fee887 in QAbstractItemView::viewportEvent (this=0xa25aad8, event=0xbfd1a57c) at itemviews/qabstractitemview.cpp:1476
#34 0xb6f3fb75 in QAbstractScrollAreaPrivate::viewportEvent (this=0xa2437b8, o=0xa25a768, e=0xbfd1a57c) at widgets/qabstractscrollarea_p.h:100
#35 QAbstractScrollAreaFilter::eventFilter (this=0xa2437b8, o=0xa25a768, e=0xbfd1a57c) at widgets/qabstractscrollarea_p.h:111
#36 0xb686b41a in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0xa074e80, receiver=0xa25a768, event=0xbfd1a57c) at kernel/qcoreapplication.cpp:726
#37 0xb6aa3a6c in QApplicationPrivate::notify_helper (this=0xa074e80, receiver=0xa25a768, e=0xbfd1a57c) at kernel/qapplication.cpp:4061
#38 0xb6aac551 in QApplication::notify (this=0xbfd1be6c, receiver=0xa25a768, e=0xbfd1a57c) at kernel/qapplication.cpp:3767
#39 0xb77a562d in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#40 0xb686c1eb in QCoreApplication::notifyInternal (this=0xbfd1be6c, receiver=0xbfd1be6c, event=0xbfd1a57c) at kernel/qcoreapplication.cpp:610
#41 0xb6aab5de in QCoreApplication::sendSpontaneousEvent (receiver=0xa25a768, event=0xbfd1a57c, alienWidget=0xa25a768, nativeWidget=0xa0db208, buttonDown=0xb731a580, lastMouseReceiver=...)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#42 QApplicationPrivate::sendMouseEvent (receiver=0xa25a768, event=0xbfd1a57c, alienWidget=0xa25a768, nativeWidget=0xa0db208, buttonDown=0xb731a580, lastMouseReceiver=...)
    at kernel/qapplication.cpp:2924
#43 0xb6b1a175 in QETWidget::translateMouseEvent (this=0xa0db208, event=0xbfd1bb2c) at kernel/qapplication_x11.cpp:4411
#44 0xb6b190ae in QApplication::x11ProcessEvent (this=0xbfd1be6c, event=0xbfd1bb2c) at kernel/qapplication_x11.cpp:3552
#45 0xb6b43bc2 in x11EventSourceDispatch (s=0xa070400, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#46 0xb5e832e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#47 0xb5e87000 in ?? () from /lib/libglib-2.0.so.0
#48 0xb5e87198 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#49 0xb6897041 in QEventDispatcherGlib::processEvents (this=0xa04fd28, flags=...) at kernel/qeventdispatcher_glib.cpp:407
#50 0xb6b43305 in QGuiEventDispatcherGlib::processEvents (this=0xa04fd28, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#51 0xb686a83a in QEventLoop::processEvents (this=0xbfd1bde0, flags=...) at kernel/qeventloop.cpp:149
#52 0xb686ac82 in QEventLoop::exec (this=0xbfd1bde0, flags=...) at kernel/qeventloop.cpp:201
#53 0xb686d0d9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#54 0xb6aa3917 in QApplication::exec () at kernel/qapplication.cpp:3525
#55 0x0807a6a5 in _start ()

Reported using DrKonqi