The crash which I can see in your log (in RADEONInitDispBandwidth) is maybe fixed in the -tv5 package (http://ppa.launchpad.net/tormodvolden/ubuntu/pool/main/x/xserver-xorg-video-ati/). Please try it.
The crash which I can see in your log (in RADEONInitDispB andwidth) is maybe fixed in the -tv5 package (http:// ppa.launchpad. net/tormodvolde n/ubuntu/ pool/main/ x/xserver- xorg-video- ati/). Please try it.