acpi panics - potential fix

[M. Warner Losh]

In message: <20030511103649.Q72329 at root.org>
            Nate Lawson <nate at root.org> writes:
: If you are having acpi panics, please try the attached patch.

I was seeing boot time panics on acpi trying to turn on/off a thermal
unit when the battery wasn't fully charged (or maybe my box was too
hot) without these patches.  With them I've been able to reboot after
doing a buildkernel on batteries.

Warner