This sounds like this could be a duplicate of bug 904569 However, in that bug, the issue does not happen in the kernel version 3.0.0-14, only 3.0.0-15. Would it be possible for you to retest those two kernels to confirm if it happens in both versions?
** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Tags added: kernel-da-key regression-update -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/907168 Title: [ 3.0.0-14 regression ] Radeon 3200 GPU lockup on resume To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/907168/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs