Despite my earlier optimism, my problem has not gone away with the power saving. Turns out that I can reproduce quite readily, it occurs within 10 or so minutes of me watching a video.
I can't help wondering if it's a subtly different issue from the one fixed here, albeit with similar symptoms. -- lockup on mac mini 945GM [8086:27a2] https://bugs.launchpad.net/bugs/218334 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs