Version:            (using KDE 4.0.83)
Installed from:    Fedora RPMs

I had just opened a folder containing many photos. It may have still been gathering the list of files or generating thumbnails when I did the drag operation. I was dragging the files to a subfolder of the current folder.

Backtrace:

Application: Dolphin (dolphin), signal SIGSEGV
[Thread debugging using libthread_db enabled]
[New Thread 0x7f81951777b0 (LWP 466)]
[KCrash handler]
#5  QEventLoop::exit (this=<value optimized out>, 
    returnCode=<value optimized out>)
    at ../../src/corelib/kernel/qeventloop.h:60
#6  0x00000035777fbaaa in QDragManager::eventFilter (
    this=<value optimized out>, o=<value optimized out>, 
    e=<value optimized out>) at kernel/qdnd_x11.cpp:1295
#7  0x0000003576341764 in QCoreApplicationPrivate::sendThroughApplicationEventFilters (this=<value optimized out>, receiver=<value optimized out>, 
    event=<value optimized out>) at kernel/qcoreapplication.cpp:676
#8  0x000000357777fc86 in QApplicationPrivate::notify_helper (
    this=<value optimized out>, receiver=<value optimized out>, 
    e=<value optimized out>) at kernel/qapplication.cpp:3749
#9  0x000000357778828a in QApplication::notify (this=<value optimized out>, 
    receiver=<value optimized out>, e=<value optimized out>)
    at kernel/qapplication.cpp:3501
#10 0x000000357841159b in KApplication::notify ()
   from /usr/lib64/libkdeui.so.5
#11 0x00000035763423e1 in QCoreApplication::notifyInternal (
    this=<value optimized out>, receiver=<value optimized out>, 
    event=<value optimized out>) at kernel/qcoreapplication.cpp:587
#12 0x0000003577787628 in QApplicationPrivate::sendMouseEvent (
    receiver=<value optimized out>, event=<value optimized out>, 
    alienWidget=<value optimized out>, nativeWidget=<value optimized out>, 
    buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>)
    at ../../src/corelib/kernel/qcoreapplication.h:218
#13 0x00000035777eb789 in QETWidget::translateMouseEvent (
    this=<value optimized out>, event=<value optimized out>)
    at kernel/qapplication_x11.cpp:4135
#14 0x00000035777ea197 in QApplication::x11ProcessEvent (
    this=<value optimized out>, event=<value optimized out>)
    at kernel/qapplication_x11.cpp:3257
#15 0x000000357781089c in x11EventSourceDispatch (s=<value optimized out>, 
    callback=<value optimized out>, user_data=<value optimized out>)
    at kernel/qguieventdispatcher_glib.cpp:148
#16 0x0000003574e374db in g_main_context_dispatch ()
   from /lib64/libglib-2.0.so.0
#17 0x0000003574e3acbd in ?? () from /lib64/libglib-2.0.so.0
#18 0x0000003574e3ae7b in g_main_context_iteration ()
   from /lib64/libglib-2.0.so.0
#19 0x000000357636a87f in QEventDispatcherGlib::processEvents (
    this=<value optimized out>, flags=<value optimized out>)
    at kernel/qeventdispatcher_glib.cpp:325
#20 0x000000357781000f in QGuiEventDispatcherGlib::processEvents (
    this=<value optimized out>, flags=<value optimized out>)
    at kernel/qguieventdispatcher_glib.cpp:204
#21 0x0000003576340cf2 in QEventLoop::processEvents (
    this=<value optimized out>, flags=<value optimized out>)
    at kernel/qeventloop.cpp:149
#22 0x0000003576340e7d in QEventLoop::exec (this=<value optimized out>, 
    flags=<value optimized out>) at kernel/qeventloop.cpp:200
#23 0x00000035777f9c8b in QDragManager::drag (this=<value optimized out>, 
    o=<value optimized out>) at kernel/qdnd_x11.cpp:1941
#24 0x0000003577792418 in QDrag::exec (this=<value optimized out>, 
    supportedActions=<value optimized out>, 
    defaultDropAction=<value optimized out>) at kernel/qdrag.cpp:281
#25 0x0000003579a3688c in DragAndDropHelper::startDrag (
    itemView=<value optimized out>, supportedActions=<value optimized out>)
    at /usr/src/debug/kdebase-4.0.84/apps/dolphin/src/draganddrophelper.cpp:53
#26 0x0000003579a2be15 in DolphinDetailsView::startDrag (
    this=<value optimized out>, supportedActions=<value optimized out>)
    at /usr/src/debug/kdebase-4.0.84/apps/dolphin/src/dolphindetailsview.cpp:297
#27 0x0000003577beb8f5 in QAbstractItemView::mouseMoveEvent (
    this=<value optimized out>, event=<value optimized out>)
    at itemviews/qabstractitemview.cpp:1505
#28 0x0000003579a2bf67 in DolphinDetailsView::mouseMoveEvent (
    this=<value optimized out>, event=<value optimized out>)
    at /usr/src/debug/kdebase-4.0.84/apps/dolphin/src/dolphindetailsview.cpp:256
#29 0x00000035777d215a in QWidget::event (this=<value optimized out>, 
    event=<value optimized out>) at kernel/qwidget.cpp:6912
#30 0x0000003577bf009d in QAbstractItemView::viewportEvent (
    this=<value optimized out>, event=<value optimized out>)
    at itemviews/qabstractitemview.cpp:1426
#31 0x0000003577c23e10 in QTreeView::viewportEvent (
    this=<value optimized out>, event=<value optimized out>)
    at itemviews/qtreeview.cpp:1254
#32 0x00000035763416b8 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=<value optimized out>, 
    event=<value optimized out>) at kernel/qcoreapplication.cpp:694
#33 0x000000357777fcec in QApplicationPrivate::notify_helper (
    this=<value optimized out>, receiver=<value optimized out>, 
    e=<value optimized out>) at kernel/qapplication.cpp:3768
#34 0x000000357778828a in QApplication::notify (this=<value optimized out>, 
    receiver=<value optimized out>, e=<value optimized out>)
    at kernel/qapplication.cpp:3501
#35 0x000000357841159b in KApplication::notify ()
   from /usr/lib64/libkdeui.so.5
#36 0x00000035763423e1 in QCoreApplication::notifyInternal (
    this=<value optimized out>, receiver=<value optimized out>, 
    event=<value optimized out>) at kernel/qcoreapplication.cpp:587
#37 0x0000003577787628 in QApplicationPrivate::sendMouseEvent (
    receiver=<value optimized out>, event=<value optimized out>, 
    alienWidget=<value optimized out>, nativeWidget=<value optimized out>, 
    buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>)
    at ../../src/corelib/kernel/qcoreapplication.h:218
#38 0x00000035777eb789 in QETWidget::translateMouseEvent (
    this=<value optimized out>, event=<value optimized out>)
    at kernel/qapplication_x11.cpp:4135
#39 0x00000035777ea197 in QApplication::x11ProcessEvent (
    this=<value optimized out>, event=<value optimized out>)
    at kernel/qapplication_x11.cpp:3257
#40 0x000000357781089c in x11EventSourceDispatch (s=<value optimized out>, 
    callback=<value optimized out>, user_data=<value optimized out>)
    at kernel/qguieventdispatcher_glib.cpp:148
#41 0x0000003574e374db in g_main_context_dispatch ()
   from /lib64/libglib-2.0.so.0
#42 0x0000003574e3acbd in ?? () from /lib64/libglib-2.0.so.0
#43 0x0000003574e3ae7b in g_main_context_iteration ()
   from /lib64/libglib-2.0.so.0
#44 0x000000357636a87f in QEventDispatcherGlib::processEvents (
    this=<value optimized out>, flags=<value optimized out>)
    at kernel/qeventdispatcher_glib.cpp:325
#45 0x000000357781000f in QGuiEventDispatcherGlib::processEvents (
    this=<value optimized out>, flags=<value optimized out>)
    at kernel/qguieventdispatcher_glib.cpp:204
#46 0x0000003576340cf2 in QEventLoop::processEvents (
    this=<value optimized out>, flags=<value optimized out>)
    at kernel/qeventloop.cpp:149
#47 0x0000003576340e7d in QEventLoop::exec (this=<value optimized out>, 
    flags=<value optimized out>) at kernel/qeventloop.cpp:200
#48 0x000000357634334d in QCoreApplication::exec ()
    at kernel/qcoreapplication.cpp:845
#49 0x000000000043facd in main (argc=6, argv=0x7fff9d1b97a8)
    at /usr/src/debug/kdebase-4.0.84/apps/dolphin/src/main.cpp:94