Comment 60 for bug 63550

Looks like Greg's upstream bug got marked as invalid....

http://bugzilla.kernel.org/show_bug.cgi?id=13989
and
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/354085

Both suggest the following boot option:
acpi.power_nocheck=1

I am going to test it tonight for my own issue.

- Michael