The fix was cherry-picked into the 7.10 mesa branch. You should just get it if you update to the latest 7.10 git.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/853667 Title: ATI Radeon HD 3850 is completely unusable with default configuration due to frequent lockups To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/853667/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs