OK Ken, from reading comment #3 in bug 1113331 I can see that you had fglrx-updates installed on Precise and dist-upgraded to Quantal. So you are in fact hitting this bug. Sorry about that. You may wish to try the open-source drivers on Quantal - they are continuing to improve in performance.
OK Ken, from reading comment #3 in bug 1113331 I can see that you had fglrx-updates installed on Precise and dist-upgraded to Quantal. So you are in fact hitting this bug. Sorry about that. You may wish to try the open-source drivers on Quantal - they are continuing to improve in performance.