Application that crashed: dolphin
Version of the application: 1.3
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.31.1 x86_64
Distribution: Debian GNU/Linux 4.3 (n/a)

What I was doing when the application crashed:
dragging files from USB HDD opened with dolphin to a KDE desktop

 -- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
[KCrash Handler]
#5  0x00007f887b36123f in QWidget::testAttribute_helper (this=0x2227ab0, attribute=Qt::WA_Hover) at kernel/qwidget.cpp:9976
#6  0x00007f887b3270a4 in QWidget::testAttribute (this=<value optimized out>, receiver=<value optimized out>, e=0x7fffd45f0270) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:997
#7  QApplication::notify (this=<value optimized out>, receiver=<value optimized out>, e=0x7fffd45f0270) at kernel/qapplication.cpp:3780
#8  0x00007f887c67043b in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#9  0x00007f887ae5151c in QCoreApplication::notifyInternal (this=0x7fffd45f5020, receiver=0x2227ab0, event=0x7fffd45f0270) at kernel/qcoreapplication.cpp:610
#10 0x00007f887b326268 in QCoreApplication::sendSpontaneousEvent (receiver=0x2227ab0, event=0x7fffd45f0270, alienWidget=0x0, nativeWidget=0x2227ab0, buttonDown=<value optimized out>, 
    lastMouseReceiver=...) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#11 QApplicationPrivate::sendMouseEvent (receiver=0x2227ab0, event=0x7fffd45f0270, alienWidget=0x0, nativeWidget=0x2227ab0, buttonDown=<value optimized out>, lastMouseReceiver=...)
    at kernel/qapplication.cpp:2924
#12 0x00007f887b38edf9 in QETWidget::translateMouseEvent (this=0x2227ab0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4409
#13 0x00007f887b38dbaf in QApplication::x11ProcessEvent (this=0x7fffd45f5020, event=0x7fffd45f1c40) at kernel/qapplication_x11.cpp:3550
#14 0x00007f887b3b5e9c in x11EventSourceDispatch (s=0x1cdb9f0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#15 0x00007f8876da112a in g_main_dispatch (context=0x1cda8b0) at /tmp/buildd/glib2.0-2.22.0/glib/gmain.c:1960
#16 IA__g_main_context_dispatch (context=0x1cda8b0) at /tmp/buildd/glib2.0-2.22.0/glib/gmain.c:2513
#17 0x00007f8876da4988 in g_main_context_iterate (context=0x1cda8b0, block=1, dispatch=1, self=<value optimized out>) at /tmp/buildd/glib2.0-2.22.0/glib/gmain.c:2591
#18 0x00007f8876da4b3c in IA__g_main_context_iteration (context=0x1cda8b0, may_block=1) at /tmp/buildd/glib2.0-2.22.0/glib/gmain.c:2654
#19 0x00007f887ae79bff in QEventDispatcherGlib::processEvents (this=0x1ce1ec0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#20 0x00007f887b3b564f in QGuiEventDispatcherGlib::processEvents (this=0x2227ab0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#21 0x00007f887ae4fde2 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#22 0x00007f887ae501b4 in QEventLoop::exec (this=0x24e40e0, flags=...) at kernel/qeventloop.cpp:201
#23 0x00007f887b39f8a4 in QDragManager::drag (this=0x2228a80, o=<value optimized out>) at kernel/qdnd_x11.cpp:1969
#24 0x00007f887b330f58 in QDrag::exec (this=0x255e420, supportedActions=..., defaultDropAction=Qt::IgnoreAction) at kernel/qdrag.cpp:282
#25 0x00007f887d4b540b in DragAndDropHelper::startDrag(QAbstractItemView*, QFlags<Qt::DropAction>, DolphinController*) () from /usr/lib/libdolphinprivate.so.4
#26 0x00007f887d49b090 in DolphinDetailsView::startDrag(QFlags<Qt::DropAction>) () from /usr/lib/libdolphinprivate.so.4
#27 0x00007f887b805dc7 in QAbstractItemView::mouseMoveEvent (this=0x201df60, event=0x7fffd45f3290) at itemviews/qabstractitemview.cpp:1552
#28 0x00007f887d49b23d in DolphinDetailsView::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libdolphinprivate.so.4
#29 0x00007f887b36e9e8 in QWidget::event (this=0x201df60, event=0x7fffd45f3290) at kernel/qwidget.cpp:7534
#30 0x00007f887b6d7cdb in QFrame::event (this=0x201df60, e=0x7fffd45f3290) at widgets/qframe.cpp:559
#31 0x00007f887b80a77b in QAbstractItemView::viewportEvent (this=0x201df60, event=0x7fffd45f3290) at itemviews/qabstractitemview.cpp:1476
#32 0x00007f887b8424e9 in QTreeView::viewportEvent (this=0x201df60, event=0x7fffd45f3290) at itemviews/qtreeview.cpp:1266
#33 0x00007f887ae50838 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x1f80030, event=0x7fffd45f3290) at kernel/qcoreapplication.cpp:726
#34 0x00007f887b31e7dc in QApplicationPrivate::notify_helper (this=0x1ce0900, receiver=0x1f80030, e=0x7fffd45f3290) at kernel/qapplication.cpp:4052
#35 0x00007f887b326fba in QApplication::notify (this=<value optimized out>, receiver=0x1f80030, e=0x7fffd45f3290) at kernel/qapplication.cpp:3758
#36 0x00007f887c67043b in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#37 0x00007f887ae5151c in QCoreApplication::notifyInternal (this=0x7fffd45f5020, receiver=0x1f80030, event=0x7fffd45f3290) at kernel/qcoreapplication.cpp:610
#38 0x00007f887b326268 in QCoreApplication::sendSpontaneousEvent (receiver=0x1f80030, event=0x7fffd45f3290, alienWidget=0x1f80030, nativeWidget=0x1d966d0, buttonDown=<value optimized out>, 
    lastMouseReceiver=...) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#39 QApplicationPrivate::sendMouseEvent (receiver=0x1f80030, event=0x7fffd45f3290, alienWidget=0x1f80030, nativeWidget=0x1d966d0, buttonDown=<value optimized out>, lastMouseReceiver=...)
    at kernel/qapplication.cpp:2924
#40 0x00007f887b38edf9 in QETWidget::translateMouseEvent (this=0x1d966d0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4409
#41 0x00007f887b38dbaf in QApplication::x11ProcessEvent (this=0x7fffd45f5020, event=0x7fffd45f4c60) at kernel/qapplication_x11.cpp:3550
#42 0x00007f887b3b5e9c in x11EventSourceDispatch (s=0x1cdb9f0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#43 0x00007f8876da112a in g_main_dispatch (context=0x1cda8b0) at /tmp/buildd/glib2.0-2.22.0/glib/gmain.c:1960
#44 IA__g_main_context_dispatch (context=0x1cda8b0) at /tmp/buildd/glib2.0-2.22.0/glib/gmain.c:2513
#45 0x00007f8876da4988 in g_main_context_iterate (context=0x1cda8b0, block=1, dispatch=1, self=<value optimized out>) at /tmp/buildd/glib2.0-2.22.0/glib/gmain.c:2591
#46 0x00007f8876da4b3c in IA__g_main_context_iteration (context=0x1cda8b0, may_block=1) at /tmp/buildd/glib2.0-2.22.0/glib/gmain.c:2654
#47 0x00007f887ae79bff in QEventDispatcherGlib::processEvents (this=0x1ce1ec0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#48 0x00007f887b3b564f in QGuiEventDispatcherGlib::processEvents (this=0x2227ab0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#49 0x00007f887ae4fde2 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#50 0x00007f887ae501b4 in QEventLoop::exec (this=0x7fffd45f4f90, flags=...) at kernel/qeventloop.cpp:201
#51 0x00007f887ae52424 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#52 0x000000000043953d in _start ()

This bug may be a duplicate of or related to bug 215187

Reported using DrKonqi