Bug 1066435 is what I referred to in post 24. Turns out it was a problem with the snd-powermac module. 2blue, I think you just needed to use ctrl-alt-f1 to get to a command login prompt.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1058641 Title: "No devices detected" radeon regression To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1058641/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs