Disabling DRI will not fix it. It will still occasionally lockup (depending on the machine and other ramdom circumstances). Ubuntu should definitely apply this patch on dapper. Dave is about to release a new stable version of the ATI driver which includes it too.
-- system freeze when using ati radeon 7000 with xorg "ati" driver https://launchpad.net/bugs/16873 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
