Torsten, I've uploaded version 6.6.2 of xserver-xorg-video-ati, which fixes EXA acceleration on a number of ati boards - could you please check if it fixes your problem?
Thank you in advance! ** Changed in: xorg-server (Ubuntu) Status: Unconfirmed => Rejected ** Changed in: xserver-xorg-video-ati (Ubuntu) Status: Unconfirmed => Needs Info -- Mouse cursor garbeled when using EXA on ATI Technologies Inc RV380 0x3e50 [Radeon X600] with radeon driver https://launchpad.net/bugs/54371 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs