[Bug 218310] Kontact crashed because Webtab could not be reloaded [QMetaObject::changeGuard, QPointer<QAction>::operator=, QMenuPrivate::activateAction]

Wed Mar 17 15:51:47 GMT 2010

https://bugs.kde.org/show_bug.cgi?id=218310


--- Comment #6 from Frédéric COIFFIER <frederic coiffier free fr>  2010-03-17 16:51:44 ---
Reproduced with Qt 4.6.2 and KDE 4.4.1 :

Thread 1 (Thread 0xb77e0930 (LWP 2662)):
[KCrash Handler]
#6  QMetaObject::changeGuard (ptr=<value optimized out>, o=<value optimized
out>) at kernel/qobject.cpp:488
#7  0x427af477 in QPointer<QAction>::operator= (this=<value optimized out>,
action=<value optimized out>, action_e=<value optimized out>, self=<value
optimized out>)
    at ../../include/QtCore/../../src/corelib/kernel/qpointer.h:68
#8  QMenuPrivate::activateAction (this=<value optimized out>, action=<value
optimized out>, action_e=<value optimized out>, self=<value optimized out>) at
widgets/qmenu.cpp:1116
#9  0x427b047b in QMenu::mouseReleaseEvent (this=<value optimized out>,
e=<value optimized out>) at widgets/qmenu.cpp:2312
#10 0x430bf0c6 in KMenu::mouseReleaseEvent (this=<value optimized out>,
e=<value optimized out>) at
/var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kdeui/widgets/kmenu.cpp:471
#11 0x42397940 in QWidget::event (this=<value optimized out>, event=<value
optimized out>) at kernel/qwidget.cpp:7998
#12 0x427b1a9c in QMenu::event (this=<value optimized out>, e=<value optimized
out>) at widgets/qmenu.cpp:2414
#13 0x423396c4 in QApplicationPrivate::notify_helper (this=<value optimized
out>, receiver=<value optimized out>, e=<value optimized out>) at
kernel/qapplication.cpp:4300
#14 0x42340e33 in QApplication::notify (this=<value optimized out>,
receiver=<value optimized out>, e=<value optimized out>) at
kernel/qapplication.cpp:3865
#15 0x42fc8b7b in KApplication::notify (this=<value optimized out>,
receiver=<value optimized out>, event=<value optimized out>)
    at
/var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kdeui/kernel/kapplication.cpp:302
#16 0x4675cb92 in QCoreApplication::notifyInternal (this=<value optimized out>,
receiver=<value optimized out>, event=<value optimized out>) at
kernel/qcoreapplication.cpp:704
#17 0x4233fb78 in QCoreApplication::sendEvent (receiver=<value optimized out>,
event=<value optimized out>, alienWidget=<value optimized out>,
nativeWidget=<value optimized out>, 
    buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>,
spontaneous=<value optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#18 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>,
spontaneous=<value optimized out>) at kernel/qapplication.cpp:2965
#19 0x423cac6a in QETWidget::translateMouseEvent (this=<value optimized out>,
event=<value optimized out>) at kernel/qapplication_x11.cpp:4302
#20 0x423c9cfb in QApplication::x11ProcessEvent (this=<value optimized out>,
event=<value optimized out>) at kernel/qapplication_x11.cpp:3379
#21 0x423f6a63 in QEventDispatcherX11::processEvents (this=<value optimized
out>, flags=<value optimized out>) at kernel/qeventdispatcher_x11.cpp:132
#22 0x4675b16a in QEventLoop::processEvents (this=<value optimized out>,
flags=<value optimized out>) at kernel/qeventloop.cpp:149
#23 0x4675b5ca in QEventLoop::exec (this=<value optimized out>, flags=<value
optimized out>) at kernel/qeventloop.cpp:201
#24 0x427ac67f in QMenu::exec (this=<value optimized out>, p=<value optimized
out>, action=<value optimized out>) at widgets/qmenu.cpp:2063
#25 0xb5f00c5c in Akregator::BrowserFrame::slotPopupMenu (this=0xa8f2730,
global=..., url=..., mode=0, args=..., browserArgs=..., flags=...,
actionGroups=...)
    at
/var/tmp/portage/kde-base/akregator-4.4.1/work/akregator-4.4.1/akregator/src/browserframe.cpp:271
#26 0xb5f01dbb in Akregator::BrowserFrame::qt_metacall (this=0xa8f2730,
_c=QMetaObject::InvokeMetaMethod, _id=72, _a=0xbfaa83f0)
    at
/var/tmp/portage/kde-base/akregator-4.4.1/work/akregator-4.4.1_build/akregator/src/browserframe.moc:131
#27 0x46761d9a in QMetaObject::metacall (object=<value optimized out>,
cl=<value optimized out>, idx=<value optimized out>, argv=<value optimized
out>) at kernel/qmetaobject.cpp:237
#28 0x467705a7 in QMetaObject::activate (sender=<value optimized out>, m=<value
optimized out>, local_signal_index=<value optimized out>, argv=<value optimized
out>) at kernel/qobject.cpp:3285
#29 0x41777aff in KParts::BrowserExtension::popupMenu (this=) at
/var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1_build/kparts/browserextension.moc:355
#30 0xb47124c6 in WebView::contextMenuEvent (this=0xa8f7318, e=0xbfaa8c1c) at
/var/tmp/portage/kde-misc/kwebkitpart-9999/work/kwebkitpart-9999/src/webview.cpp:162
#31 0x4239807e in QWidget::event (this=<value optimized out>, event=<value
optimized out>) at kernel/qwidget.cpp:8165
#32 0xb3cef293 in QWebView::event (this=<value optimized out>, e=<value
optimized out>) at ../WebKit/qt/Api/qwebview.cpp:761
#33 0x423396c4 in QApplicationPrivate::notify_helper (this=<value optimized
out>, receiver=<value optimized out>, e=<value optimized out>) at
kernel/qapplication.cpp:4300
#34 0x42340675 in QApplication::notify (this=<value optimized out>,
receiver=<value optimized out>, e=<value optimized out>) at
kernel/qapplication.cpp:3944
#35 0x42fc8b7b in KApplication::notify (this=<value optimized out>,
receiver=<value optimized out>, event=<value optimized out>)
    at
/var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kdeui/kernel/kapplication.cpp:302
#36 0x4675cb92 in QCoreApplication::notifyInternal (this=<value optimized out>,
receiver=<value optimized out>, event=<value optimized out>) at
kernel/qcoreapplication.cpp:704
#37 0x423d006f in QCoreApplication::sendSpontaneousEvent (receiver=) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#38 0x423cae35 in QETWidget::translateMouseEvent (this=<value optimized out>,
event=<value optimized out>) at kernel/qapplication_x11.cpp:4373
#39 0x423c9cfb in QApplication::x11ProcessEvent (this=<value optimized out>,
event=<value optimized out>) at kernel/qapplication_x11.cpp:3379
#40 0x423f6a63 in QEventDispatcherX11::processEvents (this=<value optimized
out>, flags=<value optimized out>) at kernel/qeventdispatcher_x11.cpp:132
#41 0x4675b16a in QEventLoop::processEvents (this=<value optimized out>,
flags=<value optimized out>) at kernel/qeventloop.cpp:149
#42 0x4675b5ca in QEventLoop::exec (this=<value optimized out>, flags=<value
optimized out>) at kernel/qeventloop.cpp:201
#43 0x4675ec01 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#44 0x42339768 in QApplication::exec () at kernel/qapplication.cpp:3579
#45 0x08050341 in main (argc=3, argv=0xbfaa9364) at
/var/tmp/portage/kde-base/akregator-4.4.1/work/akregator-4.4.1/akregator/src/main.cpp:103

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