'[Bug 205238] system-settings crashed when selecting screen edges'

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List:       kwin
Subject:    [Bug 205238] system-settings crashed when selecting screen edges
From:       "Stefan S." <blitz00 () gmail ! com>
Date:       2009-09-07 9:18:49
Message-ID: 20090907091849.A77E41E46A () immanuel ! kde ! org
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https://bugs.kde.org/show_bug.cgi?id=205238

--- Comment #12 from Stefan S. <blitz00 gmail com>  2009-09-07 11:18:48 ---
(In reply to comment #11)
> (In reply to comment #10)
> > (In reply to comment #9)
> > > > - do you get some fancy debug output when running this from a textshell
> > > > (konsole)
> > > > "kcmshell4 kwinscreenedges"
> > > Hooray.. I didn't get any output.. Screen Edges control module launched and it
> > > seems it's working properly. 
> > What if you don't use classic but "modern" view? When does it crash? Directly
> > when entering the desktop module or when selecting the screen edges module?
> 
> It doesn't matter what view. See Comment #2. It crashes when selecting screen
> edges module. Everything else in the desktop module works.

I've managed to crash it when selecting desktop module too (no matter what
view).
Steps to reproduce:
 1. Select desktop module
 2. Go back to overview
 3. Select any other module
 4. Go back and select desktop module

Application: System Settings (systemsettings), signal: Aborted
[KCrash Handler]
#6  0x0079d422 in __kernel_vsyscall ()
#7  0x0022b7c1 in raise () from /lib/libc.so.6
#8  0x0022d092 in abort () from /lib/libc.so.6
#9  0x002248ee in __assert_fail () from /lib/libc.so.6
#10 0x00f7e08b in _mesa_reference_renderbuffer () from
/usr/lib/dri/libdricore.so
#11 0x00f4d0e5 in _mesa_free_framebuffer_data () from
/usr/lib/dri/libdricore.so
#12 0x00f4d16f in _mesa_destroy_framebuffer () from /usr/lib/dri/libdricore.so
#13 0x00f4cfff in _mesa_reference_framebuffer () from
/usr/lib/dri/libdricore.so
#14 0x00e55801 in ?? () from /usr/lib/dri/unichrome_dri.so
#15 0x00e4b70a in ?? () from /usr/lib/dri/unichrome_dri.so
#16 0x0689e651 in ?? () from /usr/lib/libGL.so.1
#17 0x0688165a in ?? () from /usr/lib/libGL.so.1
#18 0x00e39225 in KWin::CompositingPrefs::deleteGLXContext (this=0x93a48ac) at
/usr/src/debug/kdebase-workspace-4.3.0/kwin/compositingprefs.cpp:226
#19 0x00e3ced2 in KWin::CompositingPrefs::detect (this=0x93a48ac) at
/usr/src/debug/kdebase-workspace-4.3.0/kwin/compositingprefs.cpp:166
#20 0x00e2fd6a in KWin::KWinCompositingConfig::KWinCompositingConfig(struct
QWidget *, const QVariantList &) (this=0x93a47c0, parent=0x91ec368)
    at
/usr/src/debug/kdebase-workspace-4.3.0/kwin/kcmkwin/kwincompositing/main.cpp:138
#21 0x00e3805d in KPluginFactory::createInstance<KWin::KWinCompositingConfig,
QWidget> (parentWidget=0x0, parent=0x91ec368, args=@0xbf8fd780) at
/usr/include/kde4/kpluginfactory.h:461
#22 0x03658835 in KPluginFactory::create(char const*, QWidget*, QObject*,
QList<QVariant> const&, QString const&) () from /usr/lib/libkdecore.so.5
#23 0x03c20baa in KCModuleLoader::loadModule(KCModuleInfo const&,
KCModuleLoader::ErrorReporting, QWidget*, QStringList const&) () from
/usr/lib/libkutils.so.4
#24 0x03c2691c in ?? () from /usr/lib/libkutils.so.4
#25 0x03c27b83 in KCModuleProxy::realModule() const () from
/usr/lib/libkutils.so.4
#26 0x03c27f3e in KCModuleProxy::showEvent(QShowEvent*) () from
/usr/lib/libkutils.so.4
#27 0x0476e9b3 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#28 0x04719974 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from
/usr/lib/libQtGui.so.4
#29 0x0472103a in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQtGui.so.4
#30 0x038b1a7a in KApplication::notify(QObject*, QEvent*) () from
/usr/lib/libkdeui.so.5
#31 0x03376b0b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from
/usr/lib/libQtCore.so.4
#32 0x04774545 in QWidgetPrivate::show_helper() () from /usr/lib/libQtGui.so.4
#33 0x04774759 in QWidgetPrivate::show_recursive() () from
/usr/lib/libQtGui.so.4
#34 0x0477484c in QWidgetPrivate::showChildren(bool) () from
/usr/lib/libQtGui.so.4
#35 0x0477444e in QWidgetPrivate::show_helper() () from /usr/lib/libQtGui.so.4
#36 0x0477594b in QWidget::setVisible(bool) () from /usr/lib/libQtGui.so.4
#37 0x047748f8 in QWidgetPrivate::showChildren(bool) () from
/usr/lib/libQtGui.so.4
#38 0x0477444e in QWidgetPrivate::show_helper() () from /usr/lib/libQtGui.so.4
#39 0x04774759 in QWidgetPrivate::show_recursive() () from
/usr/lib/libQtGui.so.4
#40 0x0477484c in QWidgetPrivate::showChildren(bool) () from
/usr/lib/libQtGui.so.4
#41 0x0477444e in QWidgetPrivate::show_helper() () from /usr/lib/libQtGui.so.4
#42 0x04774759 in QWidgetPrivate::show_recursive() () from
/usr/lib/libQtGui.so.4
#43 0x0477484c in QWidgetPrivate::showChildren(bool) () from
/usr/lib/libQtGui.so.4
#44 0x0477444e in QWidgetPrivate::show_helper() () from /usr/lib/libQtGui.so.4
#45 0x04774759 in QWidgetPrivate::show_recursive() () from
/usr/lib/libQtGui.so.4
#46 0x0477484c in QWidgetPrivate::showChildren(bool) () from
/usr/lib/libQtGui.so.4
#47 0x0477444e in QWidgetPrivate::show_helper() () from /usr/lib/libQtGui.so.4
#48 0x0477594b in QWidget::setVisible(bool) () from /usr/lib/libQtGui.so.4
#49 0x04756f00 in QStackedLayout::setCurrentIndex(int) () from
/usr/lib/libQtGui.so.4
#50 0x0475709d in QStackedLayout::setCurrentWidget(QWidget*) () from
/usr/lib/libQtGui.so.4
#51 0x04b8baec in QStackedWidget::setCurrentWidget(QWidget*) () from
/usr/lib/libQtGui.so.4
#52 0x00ef0aa1 in IconMode::moduleLoaded (this=0x91a8918) at
/usr/src/debug/kdebase-workspace-4.3.0/systemsettings/icons/IconMode.cpp:143
#53 0x00ef1453 in IconMode::qt_metacall (this=0x91a8918,
_c=QMetaObject::InvokeMetaMethod, _id=11, _a=0xbf8fe4f8)
    at
/usr/src/debug/kdebase-workspace-4.3.0/i586-redhat-linux-gnu/systemsettings/icons/IconMode.moc:75
#54 0x0338c853 in QMetaObject::activate(QObject*, int, int, void**) () from
/usr/lib/libQtCore.so.4
#55 0x0338d4b2 in QMetaObject::activate(QObject*, QMetaObject const*, int,
void**) () from /usr/lib/libQtCore.so.4
#56 0x0010e8c9 in ModuleView::moduleChanged (this=0x91a9cd0, _t1=false) at
/usr/src/debug/kdebase-workspace-4.3.0/i586-redhat-linux-gnu/systemsettings/core/ModuleView.moc:106
#57 0x0010ef39 in ModuleView::stateChanged (this=0x91a9cd0) at
/usr/src/debug/kdebase-workspace-4.3.0/systemsettings/core/ModuleView.cpp:330
#58 0x001101d5 in ModuleView::activeModuleChanged (this=0x91a9cd0,
current=0x93b9038, previous=0x0) at
/usr/src/debug/kdebase-workspace-4.3.0/systemsettings/core/ModuleView.cpp:318
#59 0x00112150 in ModuleView::qt_metacall (this=0x91a9cd0,
_c=QMetaObject::InvokeMetaMethod, _id=35, _a=0xbf8fe6a4)
    at
/usr/src/debug/kdebase-workspace-4.3.0/i586-redhat-linux-gnu/systemsettings/core/ModuleView.moc:92
#60 0x0338c853 in QMetaObject::activate(QObject*, int, int, void**) () from
/usr/lib/libQtCore.so.4
#61 0x0338d4b2 in QMetaObject::activate(QObject*, QMetaObject const*, int,
void**) () from /usr/lib/libQtCore.so.4
#62 0x038e8ff9 in KPageWidget::currentPageChanged(KPageWidgetItem*,
KPageWidgetItem*) () from /usr/lib/libkdeui.so.5
#63 0x038e9142 in ?? () from /usr/lib/libkdeui.so.5
#64 0x038e91f6 in KPageWidget::qt_metacall(QMetaObject::Call, int, void**) ()
from /usr/lib/libkdeui.so.5
#65 0x0338c853 in QMetaObject::activate(QObject*, int, int, void**) () from
/usr/lib/libQtCore.so.4
#66 0x0338d4b2 in QMetaObject::activate(QObject*, QMetaObject const*, int,
void**) () from /usr/lib/libQtCore.so.4
#67 0x038e3e59 in KPageView::currentPageChanged(QModelIndex const&, QModelIndex
const&) () from /usr/lib/libkdeui.so.5
#68 0x038e4bec in ?? () from /usr/lib/libkdeui.so.5
#69 0x038e564f in KPageView::qt_metacall(QMetaObject::Call, int, void**) ()
from /usr/lib/libkdeui.so.5
#70 0x038e91ba in KPageWidget::qt_metacall(QMetaObject::Call, int, void**) ()
from /usr/lib/libkdeui.so.5
#71 0x0338c853 in QMetaObject::activate(QObject*, int, int, void**) () from
/usr/lib/libQtCore.so.4
#72 0x0338d4b2 in QMetaObject::activate(QObject*, QMetaObject const*, int,
void**) () from /usr/lib/libQtCore.so.4
#73 0x04cb9e29 in QItemSelectionModel::currentChanged(QModelIndex const&,
QModelIndex const&) () from /usr/lib/libQtGui.so.4
#74 0x04cb9fc2 in QItemSelectionModel::setCurrentIndex(QModelIndex const&,
QFlags<QItemSelectionModel::SelectionFlag>) () from /usr/lib/libQtGui.so.4
#75 0x038e4f09 in ?? () from /usr/lib/libkdeui.so.5
#76 0x038e5520 in ?? () from /usr/lib/libkdeui.so.5
#77 0x038e5666 in KPageView::qt_metacall(QMetaObject::Call, int, void**) ()
from /usr/lib/libkdeui.so.5
#78 0x038e91ba in KPageWidget::qt_metacall(QMetaObject::Call, int, void**) ()
from /usr/lib/libkdeui.so.5
#79 0x0338c853 in QMetaObject::activate(QObject*, int, int, void**) () from
/usr/lib/libQtCore.so.4
#80 0x0338d4b2 in QMetaObject::activate(QObject*, QMetaObject const*, int,
void**) () from /usr/lib/libQtCore.so.4
#81 0x033c5f57 in QAbstractItemModel::layoutChanged() () from
/usr/lib/libQtCore.so.4
#82 0x038eb4fc in KPageWidgetModel::addPage(KPageWidgetItem*) () from
/usr/lib/libkdeui.so.5
#83 0x038e947a in KPageWidget::addPage(KPageWidgetItem*) () from
/usr/lib/libkdeui.so.5
#84 0x0011073a in ModuleView::addModule (this=0x91a9cd0, module=0x9161960) at
/usr/src/debug/kdebase-workspace-4.3.0/systemsettings/core/ModuleView.cpp:204
#85 0x001118fe in ModuleView::loadModule (this=0x91a9cd0, menuItem=0x908f730)
at
/usr/src/debug/kdebase-workspace-4.3.0/systemsettings/core/ModuleView.cpp:164
#86 0x00ef0fb9 in IconMode::changeModule (this=0x91a8918,
activeModule=@0x92b7c40) at
/usr/src/debug/kdebase-workspace-4.3.0/systemsettings/icons/IconMode.cpp:137
#87 0x00ef146d in IconMode::qt_metacall (this=0x91a8918,
_c=QMetaObject::InvokeMetaMethod, _id=10, _a=0xbf8ff078)
    at
/usr/src/debug/kdebase-workspace-4.3.0/i586-redhat-linux-gnu/systemsettings/icons/IconMode.moc:74
#88 0x0338c853 in QMetaObject::activate(QObject*, int, int, void**) () from
/usr/lib/libQtCore.so.4
#89 0x0338d4b2 in QMetaObject::activate(QObject*, QMetaObject const*, int,
void**) () from /usr/lib/libQtCore.so.4
#90 0x04c5dd63 in QAbstractItemView::activated(QModelIndex const&) () from
/usr/lib/libQtGui.so.4
#91 0x04c6bad0 in QAbstractItemView::mouseReleaseEvent(QMouseEvent*) () from
/usr/lib/libQtGui.so.4
#92 0x04c8292f in QListView::mouseReleaseEvent(QMouseEvent*) () from
/usr/lib/libQtGui.so.4
#93 0x0389c204 in KCategorizedView::mouseReleaseEvent(QMouseEvent*) () from
/usr/lib/libkdeui.so.5
#94 0x0476eb9a in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#95 0x04b1c463 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#96 0x04bbb5a4 in QAbstractScrollArea::viewportEvent(QEvent*) () from
/usr/lib/libQtGui.so.4
#97 0x04c6edef in QAbstractItemView::viewportEvent(QEvent*) () from
/usr/lib/libQtGui.so.4
#98 0x04bbdbb5 in ?? () from /usr/lib/libQtGui.so.4
#99 0x03375c9a in
QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) ()
from /usr/lib/libQtCore.so.4
#100 0x0471994c in QApplicationPrivate::notify_helper(QObject*, QEvent*) ()
from /usr/lib/libQtGui.so.4
#101 0x04721a9b in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQtGui.so.4
#102 0x038b1a7a in KApplication::notify(QObject*, QEvent*) () from
/usr/lib/libkdeui.so.5
#103 0x03376b0b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from
/usr/lib/libQtCore.so.4
#104 0x047209de in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*,
QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from
/usr/lib/libQtGui.so.4
#105 0x0478f090 in ?? () from /usr/lib/libQtGui.so.4
#106 0x0478e523 in QApplication::x11ProcessEvent(_XEvent*) () from
/usr/lib/libQtGui.so.4
#107 0x047b95d2 in ?? () from /usr/lib/libQtGui.so.4
#108 0x00462cf8 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#109 0x00466370 in ?? () from /lib/libglib-2.0.so.0
#110 0x004664a3 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#111 0x033a15ec in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#112 0x047b8cb5 in ?? () from /usr/lib/libQtGui.so.4
#113 0x033750d9 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#114 0x0337552a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#115 0x033779af in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#116 0x047197f7 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#117 0x0805261e in main (argc=5, argv=0xbf901594) at
/usr/src/debug/kdebase-workspace-4.3.0/systemsettings/app/main.cpp:51

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