Same problem for me, running Lucid with the latest kernel from mainline PPA. My laptop's an aspire 5542. This is my bug report: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/595335
Same problem for me, running Lucid with the latest kernel from mainline PPA. My laptop's an aspire 5542. This is my bug report: https:/ /bugs.launchpad .net/ubuntu/ +source/ xserver- xorg-video- ati/+bug/ 595335