try latest ATI hofix and try again ;), fixed my issues with similar setup. http://support.amd.com/us/kbarticles/Pages/GPU83ATICatalystLinuxHotfix.aspx
try latest ATI hofix and try again ;), fixed my issues with similar setup. support. amd.com/ us/kbarticles/ Pages/GPU83ATIC atalystLinuxHot fix.aspx
http://