Hallo again I used google to get more information on this. It seems, that there is a bug or similar in the radeon xorg driver that causes problems in opneGL stuff. It is already reported, so I have to wait for it to be fixed. I think there is already a bug report for this. Martin Am Samstag, 27. Juni 2009 schrieb Martin (KDE): > Hallo there > > after a upgrade from Fedora 10 to 11 my openGL no longer works as > expected. The windows flashes and disapears, Icons are missing, > decoration borders are missing, buttons shows up and disapears. > With F10 everything works as expected. I have tried xrender and it > works, but it is slower as openGL. Currently I have disabled the > openGL stuff. > > My hardware: ATI 9200SE on a pentium 4. > > Any tips? > > Martin > _______________________________________________ > fedora-kde mailing list > fedora-kde at lists.fedoraproject.org > https://admin.fedoraproject.org/mailman/listinfo/fedora-kde > New to KDE4? - get help from http://userbase.kde.org