Yes, like with -intel, the -ati driver is moving towards requiring KMS always and is phasing out support for legacy configurations with UMS.
** Changed in: xserver-xorg-video-ati (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/729386 Title: [Natty] DRI2 fails with x1200, compositing broken -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs