Apparently "proposed" kernel updates for quantal (3.5.0-37.58) and raring (3.8.0-28.41) both carry the necessary patch: "radeon: Fix system hang issue when using KMS with older cards". Indeed, the updated kernel for raring works fine :-)
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1070773 Title: 1002:7188 system hangs on boot (at loading radeon related modules) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1070773/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs