Application: systemsettings (1.0)
KDE Platform Version: 4.4.1 (KDE 4.4.1)
Qt Version: 4.6.2
Operating System: Linux 2.6.30.10-105.2.23.fc11.i686.PAE i686
Distribution: "Fedora release 11 (Leonidas)"

-- Information about the crash:
Crash after enable or disable "Enable Desktop Effects"

The crash can be reproduced some of the time.

 -- Backtrace:
Application: System Settings (systemsettings), signal: Bus error
[KCrash Handler]
#6  0x032c136d in KPixmapCache::Private::invalidateMmapFiles (this=0x85bd548) at /usr/src/debug/kdelibs-4.4.1/kdeui/util/kpixmapcache.cpp:446
#7  0x032bfcfb in KPixmapCache::recreateCacheFiles (this=0x85bf6d8) at /usr/src/debug/kdelibs-4.4.1/kdeui/util/kpixmapcache.cpp:1198
#8  0x032c0996 in KPixmapCache::Private::checkFileVersion (this=0x85bd548, filename=@0x85bd55c) at /usr/src/debug/kdelibs-4.4.1/kdeui/util/kpixmapcache.cpp:725
#9  0x032c0f58 in KPixmapCache::Private::init (this=0x85bd548) at /usr/src/debug/kdelibs-4.4.1/kdeui/util/kpixmapcache.cpp:1053
#10 0x032c2c42 in KPixmapCache::discard (this=0x85bf6d8) at /usr/src/debug/kdelibs-4.4.1/kdeui/util/kpixmapcache.cpp:1279
#11 0x032c3325 in KPixmapCache::deleteCache (name=@0xbffed28c) at /usr/src/debug/kdelibs-4.4.1/kdeui/util/kpixmapcache.cpp:1255
#12 0x0256c584 in Plasma::ThemePrivate::discardCache (this=0x85bb7f0) at /usr/src/debug/kdelibs-4.4.1/plasma/theme.cpp:221
#13 0x0256c9fb in Plasma::ThemePrivate::compositingChanged (this=0x85bb7f0) at /usr/src/debug/kdelibs-4.4.1/plasma/theme.cpp:213
#14 0x02572986 in Plasma::Theme::qt_metacall (this=0x85bba88, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbffed3dc) at /usr/src/debug/kdelibs-4.4.1/i586-redhat-linux-gnu/plasma/theme.moc:108
#15 0x0646c5ea in QMetaObject::metacall (object=0x85bba88, cl=QMetaObject::ReadProperty, idx=6, argv=0xbffed3dc) at kernel/qmetaobject.cpp:237
#16 0x0647ada5 in QMetaObject::activate (sender=0x85bec70, m=0x344a6c0, local_signal_index=1, argv=0x0) at kernel/qobject.cpp:3293
#17 0x032b68b7 in KSelectionWatcher::lostOwner (this=0x85bec70) at /usr/src/debug/kdelibs-4.4.1/i586-redhat-linux-gnu/kdeui/kmanagerselection.moc:158
#18 0x032b6c72 in KSelectionWatcher::filterEvent (this=0x85bec70, ev_P=0xbffed85c) at /usr/src/debug/kdelibs-4.4.1/kdeui/util/kmanagerselection.cpp:480
#19 0x032b81e7 in KSelectionWatcher::Private::x11Event (this=0x85bde58, ev_P=0xbffed85c) at /usr/src/debug/kdelibs-4.4.1/kdeui/util/kmanagerselection.cpp:395
#20 0x03230b16 in KAppX11HackWidget::publicx11Event (e=<value optimized out>, this=<value optimized out>) at /usr/src/debug/kdelibs-4.4.1/kdeui/kernel/kapplication.cpp:903
#21 KApplication::x11EventFilter (e=<value optimized out>, this=<value optimized out>) at /usr/src/debug/kdelibs-4.4.1/kdeui/kernel/kapplication.cpp:953
#22 0x04656c80 in qt_x11EventFilter (ev=0xbffed85c) at kernel/qapplication_x11.cpp:399
#23 0x04666150 in QApplication::x11ProcessEvent (this=0xbffedbfc, event=0xbffed85c) at kernel/qapplication_x11.cpp:3231
#24 0x04694f5a in x11EventSourceDispatch (s=0x80b8aa8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#25 0x00145308 in g_main_dispatch (context=<value optimized out>) at gmain.c:1824
#26 IA__g_main_context_dispatch (context=<value optimized out>) at gmain.c:2377
#27 0x001489e0 in g_main_context_iterate (context=0x80b7e90, block=<value optimized out>, dispatch=1, self=0x80c07a0) at gmain.c:2455
#28 0x00148b13 in IA__g_main_context_iteration (context=0x80b7e90, may_block=1) at gmain.c:2518
#29 0x06492f25 in QEventDispatcherGlib::processEvents (this=0x8091870, flags={i = 36}) at kernel/qeventdispatcher_glib.cpp:412
#30 0x04694a85 in QGuiEventDispatcherGlib::processEvents (this=0x8091870, flags={i = 36}) at kernel/qguieventdispatcher_glib.cpp:204
#31 0x06465849 in QEventLoop::processEvents (this=0xbffedb54, flags={i = 36}) at kernel/qeventloop.cpp:149
#32 0x06465c9a in QEventLoop::exec (this=0xbffedb54, flags={i = 0}) at kernel/qeventloop.cpp:201
#33 0x0646841f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#34 0x045d6cf7 in QApplication::exec () at kernel/qapplication.cpp:3579
#35 0x0805614e in main (argc=5, argv=0xbffedd44) at /usr/src/debug/kdebase-workspace-4.4.1/systemsettings/app/main.cpp:49

Possible duplicates by query: bug 227483, bug 192664.

Reported using DrKonqi