On Fri, Apr 24, 2009 at 11:55 AM, Damien Mir <[email protected]> wrote: > Hello, > > I recently installed Opensuse 11.1 on a HP Pavilion dv8000 ( with XPRESS > 200M graphics ), shipped with Xorg 7.4 > (--) RADEON(0): Chipset: "ATI Radeon XPRESS 200M 5955 (PCIE)" (ChipID = > 0x5955) > > I am experiencing some kind of slow 2D performance, never seen before on > any system or previous distro : > - sometimes i can clearly see text drawing from top to bottom in a file > manager (konqueror) or an editor (kate) > - when switching desktops, there's some kind of tearing of the content of > the open windows, and when doing so repeadedly, xorg eats more than 60/70% > CPU > - glxgears gives about 400fps > The more open windows in the desktops, the more those symptoms are > noticeable. > > With the default opensuse settings ( no parameters in Device section ie. > XAA accel not supported anymore ) it is worse, even Konsole is sluggish. > See : > http://linux.derkeiler.com/Mailing-Lists/SuSE/2009-02/msg00132.html > So I switched to EXA. It is better, but it doesn't really solve. > > It occurs either with the default xorg 7.4 packages, the latest xorg > compiled from sources, or the lastest packages from the opensuse build > service. > Note : MigrationHeuristic="smart" or "greedy" -seems- to help a bit, but > it's not as fast as it was before. > > With an old opensuse 10.0 with xorg 6.8 (32bit mode if relevant) on the > same laptop, everything is stunning fast. With OS 11.1 & xorg 7.4, > although it is not really horrible or unusable, there's definitely > something wrong, it feels a little sluggish in comparaison. > Btw. glxgears gives about 780fps. > > Find below the xorg.conf and Xorg.log, however everything seems OK, no > wierd errors. > http://88.191.15.45/Xorg.0.log > http://88.191.15.45/xorg.conf > > Am I missing something ? Any ideas ? Please advise. > Could it be because of the new EXA architecture, poorly supported for > XPRESS 200M ? The AMD64 architecture ? I am really out of ideas now. > If you need further data or testing from my side, I will gladly provide.
If you are using a GL based compositor (compiz or kwin with GL), there was a regression with the latest mesa release: http://www.nabble.com/R300-regression-td23108996.html Alex _______________________________________________ xorg mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/xorg
