I don't see anything obvious in your dmesg. Are you able to ssh into the non-working configuration (while running 12.10) and get a dmesg from that?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1035556 Title: Driver won't detect monitor on DisplayPort [Radeon HD 4850] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1035556/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
