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 2.6.31-17-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
As before, Dolphin crashed while I was trying to drag and drop files to another application, either by using alt+tab or using the mouse.

 -- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
[KCrash Handler]
#6  0x02a4679f in QWidget::testAttribute_helper(Qt::WidgetAttribute) const () from /usr/lib/libQtGui.so.4
#7  0x0110fbfa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#8  0x0743d6cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#9  0x02a05f6e in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from /usr/lib/libQtGui.so.4
#10 0x02a747c0 in ?? () from /usr/lib/libQtGui.so.4
#11 0x02a73c4b in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#12 0x02aa0502 in ?? () from /usr/lib/libQtGui.so.4
#13 0x013cde88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#14 0x013d1730 in ?? () from /lib/libglib-2.0.so.0
#15 0x013d1863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#16 0x0746802c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#17 0x02a9fbe5 in ?? () from /usr/lib/libQtGui.so.4
#18 0x0743bc79 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#19 0x0743c0ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#20 0x02a88168 in QDragManager::drag(QDrag*) () from /usr/lib/libQtGui.so.4
#21 0x02a123fe in QDrag::exec(QFlags<Qt::DropAction>, Qt::DropAction) () from /usr/lib/libQtGui.so.4
#22 0x00f158e4 in DragAndDropHelper::startDrag(QAbstractItemView*, QFlags<Qt::DropAction>, DolphinController*) () from /usr/lib/libdolphinprivate.so.4
#23 0x00ef7234 in DolphinDetailsView::startDrag(QFlags<Qt::DropAction>) () from /usr/lib/libdolphinprivate.so.4
#24 0x02f50cf2 in QAbstractItemView::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#25 0x00ef7404 in DolphinDetailsView::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libdolphinprivate.so.4
#26 0x02a53e63 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#27 0x02e03633 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#28 0x02ea2494 in QAbstractScrollArea::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#29 0x02f56087 in QAbstractItemView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#30 0x02f91434 in QTreeView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#31 0x02ea4a95 in ?? () from /usr/lib/libQtGui.so.4
#32 0x0743c83a in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#33 0x029fef2c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#34 0x02a07033 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#35 0x0110fbfa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#36 0x0743d6cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#37 0x02a05f6e in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from /usr/lib/libQtGui.so.4
#38 0x02a747c0 in ?? () from /usr/lib/libQtGui.so.4
#39 0x02a73c4b in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#40 0x02aa0502 in ?? () from /usr/lib/libQtGui.so.4
#41 0x013cde88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#42 0x013d1730 in ?? () from /lib/libglib-2.0.so.0
#43 0x013d1863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#44 0x0746802c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#45 0x02a9fbe5 in ?? () from /usr/lib/libQtGui.so.4
#46 0x0743bc79 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#47 0x0743c0ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#48 0x0743e53f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#49 0x029fedd7 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#50 0x0807a745 in _start ()

Reported using DrKonqi