I believe I have seen this exact same problem as well. Currently, I work around this and two other serious problems I had (bug 148408 and bug 187967) with the gutsy version by just downgrading xserver-xorg-video-ati to feisty.
https://launchpad.net/ubuntu/feisty/i386/xserver-xorg-video-ati/1:6.6.3-2ubuntu6 https://launchpad.net/ubuntu/gutsy/i386/xserver-xorg-video-ati/1:6.7.195-1ubuntu2
I believe I have seen this exact same problem as well. Currently, I work around this and two other serious problems I had (bug 148408 and bug 187967) with the gutsy version by just downgrading xserver- xorg-video- ati to feisty.
https:/ /launchpad. net/ubuntu/ feisty/ i386/xserver- xorg-video- ati/1:6. 6.3-2ubuntu6 /launchpad. net/ubuntu/ gutsy/i386/ xserver- xorg-video- ati/1:6. 7.195-1ubuntu2
https:/