Sounds a bit like this bug but don't know for sure: https://bugs.edge.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/565323
And while we are at it: http://ubuntuforums.org/showthread.php?t=1458089
Sounds a bit like this bug but don't know for sure: /bugs.edge. launchpad. net/ubuntu/ +source/ xserver- xorg-video- ati/+bug/ 565323
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And while we are at it: ubuntuforums. org/showthread. php?t=1458089
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