[Bug 153539] Crashs when dragging messages around

[Thomas McGuire]

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http://bugs.kde.org/show_bug.cgi?id=153539         
Thomas.McGuire gmx net changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
          Component|general                     |message list
      everconfirmed|0                           |1
            Summary|kmail crashs on mail drag   |Crashs when dragging
                   |and drop around             |messages around
            Version|unspecified                 |SVN trunk (KDE 4)



------- Additional Comments From Thomas.McGuire gmx net  2007-12-09 15:35 -------
I also get a crash (assert actually), but with a completely different backtrace.
I guess the problem might be the progress widget which briefly pops up, but I am a bit clueless about that.

My backtrace:

#5  0xb7e430ad in qt_assert (assertion=0xb5ec217d "object != 0", file=0xb5ec2082 "kernel/qdnd_x11.cpp", line=1256) at global/qglobal.cpp:1919
#6  0xb598a887 in QDragManager::eventFilter (this=0x866d4c0, o=0x8646c50, e=0xbfdfd58c) at kernel/qdnd_x11.cpp:1256
#7  0xb590d6e3 in QApplicationPrivate::notify_helper (this=0x806a0b0, receiver=0x8646c50, e=0xbfdfd58c) at kernel/qapplication.cpp:3519
#8  0xb590f69e in QApplication::notify (this=0xbfdffcdc, receiver=0x8646c50, e=0xbfdfd58c) at kernel/qapplication.cpp:3499
#9  0xb6bd2da7 in KApplication::notify (this=0xbfdffcdc, receiver=0x8646c50, event=0xbfdfd58c) at /media/kdedev/home/src/KDE/kdelibs/kdeui/kernel/kapplication.cpp:319
#10 0xb7f0120e in QCoreApplication::notifyInternal (this=0xbfdffcdc, receiver=0x8646c50, event=0xbfdfd58c) at kernel/qcoreapplication.cpp:532
#11 0xb590a693 in QCoreApplication::sendEvent (receiver=0x8646c50, event=0xbfdfd58c) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:202
#12 0xb595c351 in QWidgetPrivate::hide_helper (this=0x8684308) at kernel/qwidget.cpp:5476
#13 0xb59646f0 in QWidget::setVisible (this=0x8646c50, visible=false) at kernel/qwidget.cpp:5632
#14 0xb594932e in QWidget::hide (this=0x8646c50) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:451
#15 0xb5962058 in ~QWidget (this=0x8646c50) at kernel/qwidget.cpp:1190
#16 0xb598d77f in ~QShapedPixmapWidget (this=0x8646c50) at kernel/qdnd_x11.cpp:266
#17 0xb5986b24 in QX11Data::xdndHandleBadwindow () at kernel/qdnd_x11.cpp:1696
#18 0xb59722e6 in qt_x_errhandler (dpy=0x8075f08, err=0xbfdfdba8) at kernel/qapplication_x11.cpp:474
#19 0xb6bd17a3 in KApplication::xErrhandler (this=0xbfdffcdc, dpy=0x8075f08, err_=0xbfdfdba8) at /media/kdedev/home/src/KDE/kdelibs/kdeui/kernel/kapplication.cpp:442
#20 0xb6bd181f in kde_x_errhandler (dpy=0x8075f08, err=0xbfdfdba8) at /media/kdedev/home/src/KDE/kdelibs/kdeui/kernel/kapplication.cpp:139
#21 0xb5ffdc4a in _XError () from /usr/lib/libX11.so.6
#22 0xb5fff714 in _XReply () from /usr/lib/libX11.so.6
#23 0xb5fe38a6 in XGetWindowProperty () from /usr/lib/libX11.so.6
#24 0xb59864ef in QX11Data::xdndHandleEnter (this=0x806d5b0, xe=0xbfdfdec4) at kernel/qdnd_x11.cpp:807
#25 0xb5989f71 in QDragManager::move (this=0x866d4c0, globalPos= 0xbfdfe418) at kernel/qdnd_x11.cpp:1583
#26 0xb598a8da in QDragManager::eventFilter (this=0x866d4c0, o=0x81c1cd8, e=0xbfdfe400) at kernel/qdnd_x11.cpp:1263
#27 0xb590d6e3 in QApplicationPrivate::notify_helper (this=0x806a0b0, receiver=0x81c1cd8, e=0xbfdfe400) at kernel/qapplication.cpp:3519
#28 0xb590e4d2 in QApplication::notify (this=0xbfdffcdc, receiver=0x81c1cd8, e=0xbfdfe400) at kernel/qapplication.cpp:3257
#29 0xb6bd2da7 in KApplication::notify (this=0xbfdffcdc, receiver=0x81c1cd8, event=0xbfdfe400) at /media/kdedev/home/src/KDE/kdelibs/kdeui/kernel/kapplication.cpp:319
#30 0xb7f0120e in QCoreApplication::notifyInternal (this=0xbfdffcdc, receiver=0x81c1cd8, event=0xbfdfe400) at kernel/qcoreapplication.cpp:532
#31 0xb5918d31 in QCoreApplication::sendSpontaneousEvent (receiver=0x81c1cd8, event=0xbfdfe400) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:205
#32 0xb597a45a in QETWidget::translateMouseEvent (this=0x81c1cd8, event=0xbfdfe96c) at kernel/qapplication_x11.cpp:3866
#33 0xb5977df8 in QApplication::x11ProcessEvent (this=0xbfdffcdc, event=0xbfdfe96c) at kernel/qapplication_x11.cpp:2917
#34 0xb59a558f in x11EventSourceDispatch (s=0x806cea8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:137
#35 0xb5203df2 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#36 0xb5206dcf in ?? () from /usr/lib/libglib-2.0.so.0
#37 0x0806c490 in ?? ()
#38 0x00000000 in ?? ()