Resolved with a BIOS upgrade. This was on a Abit NF-M2S motherboard. I had the problem when running BIOS ID 11 and the problem vanished with BIOS ID 17.
** Changed in: ubuntu Status: New => Fix Committed -- Clock ticking at 5x the normal rate https://bugs.launchpad.net/bugs/155045 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs