Application: dolphin (1.6.1)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:

tried to durg and drop some file in to VLC media player  while using ALT+ TAB key.

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f9b5b5cf780 (LWP 2441))]

Thread 3 (Thread 0x7f9b47ae5700 (LWP 2443)):
#0  __pthread_mutex_lock (mutex=0x1b54f38) at pthread_mutex_lock.c:62
#1  0x00007f9b5365f0d3 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9b5365ff9d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9b53660639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9b57347446 in QEventDispatcherGlib::processEvents (this=0x1b5b1d0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f9b5731b882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f9b5731babc in QEventLoop::exec (this=0x7f9b47ae4dd0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007f9b57232924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#8  0x00007f9b572fdc2f in QInotifyFileSystemWatcherEngine::run (this=0x1b43250) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f9b57235175 in QThreadPrivate::start (arg=0x1b43250) at thread/qthread_unix.cpp:320
#10 0x00007f9b53b2bd8c in start_thread (arg=0x7f9b47ae5700) at pthread_create.c:304
#11 0x00007f9b5aecf04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f9b45455700 (LWP 2448)):
#0  0x00007f9b5aec1f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f9b53660104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9b53660639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9b57347446 in QEventDispatcherGlib::processEvents (this=0x1b6bfe0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f9b5731b882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f9b5731babc in QEventLoop::exec (this=0x7f9b45454dd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f9b57232924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f9b572fdc2f in QInotifyFileSystemWatcherEngine::run (this=0x1d17cc0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f9b57235175 in QThreadPrivate::start (arg=0x1d17cc0) at thread/qthread_unix.cpp:320
#9  0x00007f9b53b2bd8c in start_thread (arg=0x7f9b45455700) at pthread_create.c:304
#10 0x00007f9b5aecf04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f9b5b5cf780 (LWP 2441)):
[KCrash Handler]
#6  QDragManager::move (this=0x22a4940, globalPos=...) at kernel/qdnd_x11.cpp:1658
#7  0x00007f9b57d69d79 in QDragManager::eventFilter (this=0x22a4940, o=<value optimized out>, e=<value optimized out>) at kernel/qdnd_x11.cpp:1306
#8  0x00007f9b5731c56b in QCoreApplicationPrivate::sendThroughApplicationEventFilters (this=0x1a0a5e0, receiver=0x1ffe260, event=0x7fff389c1b60) at kernel/qcoreapplication.cpp:827
#9  0x00007f9b57cdb956 in QApplicationPrivate::notify_helper (this=0x1a0a5e0, receiver=0x1ffe260, e=0x7fff389c1b60) at kernel/qapplication.cpp:4437
#10 0x00007f9b57ce0db3 in QApplication::notify (this=<value optimized out>, receiver=0x1ffe260, e=0x7fff389c1b60) at kernel/qapplication.cpp:4023
#11 0x00007f9b589fa866 in KApplication::notify (this=0x7fff389c49e0, receiver=0x1ffe260, event=0x7fff389c1b60) at ../../kdeui/kernel/kapplication.cpp:311
#12 0x00007f9b5731c49c in QCoreApplication::notifyInternal (this=0x7fff389c49e0, receiver=0x1ffe260, event=0x7fff389c1b60) at kernel/qcoreapplication.cpp:731
#13 0x00007f9b57cdca0d in sendEvent (receiver=0x1ffe260, event=0x7fff389c1b60, alienWidget=0x0, nativeWidget=0x1ffe260, buttonDown=0x7f9b587bc218, lastMouseReceiver=..., spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#14 QApplicationPrivate::sendMouseEvent (receiver=0x1ffe260, event=0x7fff389c1b60, alienWidget=0x0, nativeWidget=0x1ffe260, buttonDown=0x7f9b587bc218, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3122
#15 0x00007f9b57d5c600 in QETWidget::translateMouseEvent (this=0x1ffe260, event=<value optimized out>) at kernel/qapplication_x11.cpp:4556
#16 0x00007f9b57d5b04a in QApplication::x11ProcessEvent (this=0x7fff389c49e0, event=0x7fff389c24b0) at kernel/qapplication_x11.cpp:3678
#17 0x00007f9b57d83162 in x11EventSourceDispatch (s=0x1a087b0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#18 0x00007f9b5365fbcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f9b536603a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f9b53660639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f9b573473ef in QEventDispatcherGlib::processEvents (this=0x19b7db0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#22 0x00007f9b57d82dfe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#23 0x00007f9b5731b882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#24 0x00007f9b5731babc in QEventLoop::exec (this=0x1fbcb60, flags=...) at kernel/qeventloop.cpp:201
#25 0x00007f9b57d69a84 in QDragManager::drag (this=0x22a4940, o=<value optimized out>) at kernel/qdnd_x11.cpp:1981
#26 0x00007f9b57ced888 in QDrag::exec (this=0x223a6f0, supportedActions=..., defaultDropAction=Qt::IgnoreAction) at kernel/qdrag.cpp:284
#27 0x00007f9b5a24c9be in DragAndDropHelper::startDrag(QAbstractItemView*, QFlags<Qt::DropAction>, DolphinViewController*) () from /usr/lib/libdolphinprivate.so.4
#28 0x00007f9b5a23b4b0 in DolphinIconsView::startDrag(QFlags<Qt::DropAction>) () from /usr/lib/libdolphinprivate.so.4
#29 0x00007f9b581f66d3 in QAbstractItemView::mouseMoveEvent (this=0x1fc1110, event=<value optimized out>) at itemviews/qabstractitemview.cpp:1709
#30 0x00007f9b5820b281 in QListView::mouseMoveEvent (this=0x1fc1110, e=0x7fff389c3d20) at itemviews/qlistview.cpp:778
#31 0x00007f9b589d03ee in KCategorizedView::mouseMoveEvent (this=0x1fc1110, event=0x7fff389c3d20) at ../../kdeui/itemviews/kcategorizedview.cpp:921
#32 0x00007f9b57d2ccec in QWidget::event (this=0x1fc1110, event=0x7fff389c3d20) at kernel/qwidget.cpp:8244
#33 0x00007f9b580dca66 in QFrame::event (this=0x1fc1110, e=0x7fff389c3d20) at widgets/qframe.cpp:557
#34 0x00007f9b581edd7b in QAbstractItemView::viewportEvent (this=0x1fc1110, event=0x7fff389c3d20) at itemviews/qabstractitemview.cpp:1628
#35 0x00007f9b5731c627 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x1fc2bf0, event=0x7fff389c3d20) at kernel/qcoreapplication.cpp:846
#36 0x00007f9b57cdb9b1 in QApplicationPrivate::notify_helper (this=0x1a0a5e0, receiver=0x1fc2bf0, e=0x7fff389c3d20) at kernel/qapplication.cpp:4458
#37 0x00007f9b57ce0db3 in QApplication::notify (this=<value optimized out>, receiver=0x1fc2bf0, e=0x7fff389c3d20) at kernel/qapplication.cpp:4023
#38 0x00007f9b589fa866 in KApplication::notify (this=0x7fff389c49e0, receiver=0x1fc2bf0, event=0x7fff389c3d20) at ../../kdeui/kernel/kapplication.cpp:311
#39 0x00007f9b5731c49c in QCoreApplication::notifyInternal (this=0x7fff389c49e0, receiver=0x1fc2bf0, event=0x7fff389c3d20) at kernel/qcoreapplication.cpp:731
#40 0x00007f9b57cdca0d in sendEvent (receiver=0x1fc2bf0, event=0x7fff389c3d20, alienWidget=0x1fc2bf0, nativeWidget=0x1a02040, buttonDown=0x7f9b587bc218, lastMouseReceiver=..., spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#41 QApplicationPrivate::sendMouseEvent (receiver=0x1fc2bf0, event=0x7fff389c3d20, alienWidget=0x1fc2bf0, nativeWidget=0x1a02040, buttonDown=0x7f9b587bc218, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3122
#42 0x00007f9b57d5c600 in QETWidget::translateMouseEvent (this=0x1a02040, event=<value optimized out>) at kernel/qapplication_x11.cpp:4556
#43 0x00007f9b57d5b04a in QApplication::x11ProcessEvent (this=0x7fff389c49e0, event=0x7fff389c4670) at kernel/qapplication_x11.cpp:3678
#44 0x00007f9b57d83162 in x11EventSourceDispatch (s=0x1a087b0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#45 0x00007f9b5365fbcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007f9b536603a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007f9b53660639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007f9b573473ef in QEventDispatcherGlib::processEvents (this=0x19b7db0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#49 0x00007f9b57d82dfe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#50 0x00007f9b5731b882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#51 0x00007f9b5731babc in QEventLoop::exec (this=0x7fff389c4970, flags=...) at kernel/qeventloop.cpp:201
#52 0x00007f9b5731fecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#53 0x00007f9b5b1bf995 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_dolphin.so
#54 0x00007f9b5ae07eff in __libc_start_main (main=0x400730 <_start+256>, argc=6, ubp_av=0x7fff389c4f08, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff389c4ef8) at libc-start.c:226
#55 0x0000000000400659 in _start ()

This bug may be a duplicate of or related to bug 273354.

Possible duplicates by query: bug 273354, bug 272843, bug 269984, bug 266491, bug 263106.

Reported using DrKonqi