I can confirm the crash on the same KDE version.

*** Bug 247078 has been marked as a duplicate of this bug. ***

Created attachment 50818 [details]
New crash information added by DrKonqi

I was trying to drag and drop an image file into gimp and used tab to get gimp window on top when crash happened.

@Alexia: please, next time you will provide a backtrace remember to paste directly into the comment instead of attaching it. 


----- backtrace from comment #3 ------



Application: dolphin (1.4)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-24-generic x86_64
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
I was trying to drag and drop an image file into gimp and used tab to get gimp window on top when crash happened.

 -- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f2efc58c760 (LWP 2160))]

Thread 3 (Thread 0x7f2ee9955710 (LWP 2163)):
#0  0x00007f2ef4634869 in g_main_context_acquire () from /lib/libglib-2.0.so.0
#1  0x00007f2ef4636295 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f2ef46368fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007f2ef8965566 in QEventDispatcherGlib::processEvents (this=0x23fd0c0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#4  0x00007f2ef893a992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f2ef893ad6c in QEventLoop::exec (this=0x7f2ee9954db0, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f2ef8844d59 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#7  0x00007f2ef891b178 in QInotifyFileSystemWatcherEngine::run (this=0x23fc600) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f2ef8847775 in QThreadPrivate::start (arg=0x23fc600) at thread/qthread_unix.cpp:248
#9  0x00007f2ef577c9ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007f2ef821d6fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f2edf5b0710 (LWP 2169)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007f2ee8a99081 in ?? () from /usr/lib/libxine.so.1
#2  0x00007f2ef577c9ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007f2ef821d6fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f2efc58c760 (LWP 2160)):
[KCrash Handler]
#5  0x00007f2ef95725af in QWidget::testAttribute_helper (this=0x1fb5400, attribute=Qt::WA_Hover) at kernel/qwidget.cpp:10533
#6  0x00007f2ef952ffa2 in QWidget::testAttribute (this=<value optimized out>, receiver=<value optimized out>, e=0x7fff5e00a2c0) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:1026
#7  QApplication::notify (this=<value optimized out>, receiver=<value optimized out>, e=0x7fff5e00a2c0) at kernel/qapplication.cpp:3887
#8  0x00007f2efa234526 in KApplication::notify (this=0x7fff5e00ce90, receiver=0x1fb5400, event=0x7fff5e00a2c0) at ../../kdeui/kernel/kapplication.cpp:302
#9  0x00007f2ef893c06c in QCoreApplication::notifyInternal (this=0x7fff5e00ce90, receiver=0x1fb5400, event=0x7fff5e00a2c0) at kernel/qcoreapplication.cpp:704
#10 0x00007f2ef952f0ae in QCoreApplication::sendEvent (receiver=0x1fb5400, event=0x7fff5e00a2c0, alienWidget=0x0, nativeWidget=0x1fb5400, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#11 QApplicationPrivate::sendMouseEvent (receiver=0x1fb5400, event=0x7fff5e00a2c0, alienWidget=0x0, nativeWidget=0x1fb5400, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, 
    spontaneous=true) at kernel/qapplication.cpp:2965
#12 0x00007f2ef95aef65 in QETWidget::translateMouseEvent (this=0x1fb5400, event=<value optimized out>) at kernel/qapplication_x11.cpp:4368
#13 0x00007f2ef95ad8ac in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff5e00abe0) at kernel/qapplication_x11.cpp:3501
#14 0x00007f2ef95d9882 in x11EventSourceDispatch (s=0x1f32bf0, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#15 0x00007f2ef46328c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#16 0x00007f2ef4636748 in ?? () from /lib/libglib-2.0.so.0
#17 0x00007f2ef46368fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#18 0x00007f2ef8965513 in QEventDispatcherGlib::processEvents (this=0x1efa770, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#19 0x00007f2ef95d946e in QGuiEventDispatcherGlib::processEvents (this=0x1fb5400, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#20 0x00007f2ef893a992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#21 0x00007f2ef893ad6c in QEventLoop::exec (this=0x26dd5d0, flags=) at kernel/qeventloop.cpp:201
#22 0x00007f2ef95c16ed in QDragManager::drag (this=0x258ec20, o=<value optimized out>) at kernel/qdnd_x11.cpp:1984
#23 0x00007f2ef953f908 in QDrag::exec (this=0x26f31f0, supportedActions=) at kernel/qdrag.cpp:282
#24 0x00007f2efba2e64b in DragAndDropHelper::startDrag(QAbstractItemView*, QFlags<Qt::DropAction>, DolphinController*) () from /usr/lib/libdolphinprivate.so.4
#25 0x00007f2efba12f80 in DolphinDetailsView::startDrag(QFlags<Qt::DropAction>) () from /usr/lib/libdolphinprivate.so.4
#26 0x00007f2ef9a50b6e in QAbstractItemView::mouseMoveEvent (this=0x238e850, event=<value optimized out>) at itemviews/qabstractitemview.cpp:1691
#27 0x00007f2efba13125 in DolphinDetailsView::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libdolphinprivate.so.4
#28 0x00007f2ef957f1df in QWidget::event (this=0x238e850, event=0x7fff5e00c190) at kernel/qwidget.cpp:7983
#29 0x00007f2ef99264e6 in QFrame::event (this=0x238e850, e=0x7fff5e00c190) at widgets/qframe.cpp:557
#30 0x00007f2ef9a5526b in QAbstractItemView::viewportEvent (this=0x238e850, event=0x7fff5e00c190) at itemviews/qabstractitemview.cpp:1610
#31 0x00007f2ef9a90902 in QTreeView::viewportEvent (this=0x238e850, event=0x7fff5e00c190) at itemviews/qtreeview.cpp:1248
#32 0x00007f2ef893b487 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x238f660, event=0x7fff5e00c190) at kernel/qcoreapplication.cpp:819
#33 0x00007f2ef95291fc in QApplicationPrivate::notify_helper (this=0x1f29e10, receiver=0x238f660, e=0x7fff5e00c190) at kernel/qapplication.cpp:4296
#34 0x00007f2ef952fecb in QApplication::notify (this=0x7fff5e00ce90, receiver=0x238f660, e=0x7fff5e00c190) at kernel/qapplication.cpp:3865
#35 0x00007f2efa234526 in KApplication::notify (this=0x7fff5e00ce90, receiver=0x238f660, event=0x7fff5e00c190) at ../../kdeui/kernel/kapplication.cpp:302
#36 0x00007f2ef893c06c in QCoreApplication::notifyInternal (this=0x7fff5e00ce90, receiver=0x238f660, event=0x7fff5e00c190) at kernel/qcoreapplication.cpp:704
#37 0x00007f2ef952f0ae in QCoreApplication::sendEvent (receiver=0x238f660, event=0x7fff5e00c190, alienWidget=0x238f660, nativeWidget=0x238e850, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#38 QApplicationPrivate::sendMouseEvent (receiver=0x238f660, event=0x7fff5e00c190, alienWidget=0x238f660, nativeWidget=0x238e850, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:2965
#39 0x00007f2ef95aef65 in QETWidget::translateMouseEvent (this=0x238e850, event=<value optimized out>) at kernel/qapplication_x11.cpp:4368
#40 0x00007f2ef95ad8ac in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff5e00cab0) at kernel/qapplication_x11.cpp:3501
#41 0x00007f2ef95d9882 in x11EventSourceDispatch (s=0x1f32bf0, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#42 0x00007f2ef46328c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#43 0x00007f2ef4636748 in ?? () from /lib/libglib-2.0.so.0
#44 0x00007f2ef46368fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#45 0x00007f2ef8965513 in QEventDispatcherGlib::processEvents (this=0x1efa770, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#46 0x00007f2ef95d946e in QGuiEventDispatcherGlib::processEvents (this=0x1fb5400, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#47 0x00007f2ef893a992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#48 0x00007f2ef893ad6c in QEventLoop::exec (this=0x7fff5e00cde0, flags=) at kernel/qeventloop.cpp:201
#49 0x00007f2ef893eaab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#50 0x000000000043b1c5 in _start ()

Possible duplicates by query: bug 247078, bug 246222, bug 245689, bug 244110, bug 243630.

Reported using DrKonqi

I reported it using DrKonqi, so I wasnt really given that option. This is what DrKonqi does, when you want to attach your report to an existing bug by default.

@Alexia? Really! this shouldn't be... thanks for the feedback. Would you like to be so kind to open a new report about that specifying the DrKonqui version and andding me on the CC list? Many thanks!!!!

Created attachment 56118 [details]
New crash information added by DrKonqi

dolphin (1.5) on KDE Platform 4.5.1 (KDE 4.5.1) using Qt 4.7.0

- What I was doing when the application crashed:

Crashes after invoking 'present windows' effect during a mouse drag of a file/folder.

-- Backtrace (Reduced):
#6  QDragManager::move (this=0x32b9d40, globalPos=<value optimized out>) at kernel/qdnd_x11.cpp:1658
#7  0x00007f6ca8a9b939 in QDragManager::eventFilter (this=0x7f6cabc69e40, o=<value optimized out>, e=0x0) at kernel/qdnd_x11.cpp:1306
#8  0x00007f6ca7dd05cb in QCoreApplicationPrivate::sendThroughApplicationEventFilters (this=0x211f000, receiver=0x33731a0, event=0x7fff3015c2e0) at kernel/qcoreapplication.cpp:828
#9  0x00007f6ca8a01f56 in QApplicationPrivate::notify_helper (this=0x7f6cabc69e40, receiver=0x0, e=0x0) at kernel/qapplication.cpp:4371
#10 0x00007f6ca8a0830e in QApplication::notify (this=0x7fff3015ed70, receiver=0x33731a0, e=0x7fff3015c2e0) at kernel/qapplication.cpp:3959

Created attachment 56819 [details]
New crash information added by DrKonqi

dolphin (1.6) on KDE Platform 4.6.00 (4.6.0) using Qt 4.7.1

- What I was doing when the application crashed:
1) Open two Dolphin windows
2) Try to switch to second dolphin windows using Alt-Tab (I'm using windows preview mode)
3) Move cursor to second dolphin windows and release Alt-Tab
4) Dolphin crash
5) The same crash occur by using Krusader

-- Backtrace (Reduced):
#6  QDragManager::move (this=0xe19180, globalPos=...) at kernel/qdnd_x11.cpp:1658
#7  0x000000318c454809 in QDragManager::eventFilter (this=0xe19180, o=<value optimized out>, e=<value optimized out>) at kernel/qdnd_x11.cpp:1306
#8  0x0000003421d6061a in QCoreApplicationPrivate::sendThroughApplicationEventFilters (this=0x6df160, receiver=0x1040f90, event=0x7fffe7efc4e0) at kernel/qcoreapplication.cpp:828
#9  0x000000318c3c7796 in QApplicationPrivate::notify_helper (this=0x6df160, receiver=0x1040f90, e=0x7fffe7efc4e0) at kernel/qapplication.cpp:4420
#10 0x000000318c3ccd72 in QApplication::notify (this=<value optimized out>, receiver=0x1040f90, e=0x7fffe7efc4e0) at kernel/qapplication.cpp:4006

*** Bug 267656 has been marked as a duplicate of this bug. ***

*** Bug 273636 has been marked as a duplicate of this bug. ***