ACPI regressions

[Nate Lawson]

On Wed, 10 Dec 2003, Mike Makonnen wrote:
> I upgraded my laptop to 5.2-BETA from 5.1-RELEASE a few weeks ago and was
> extremely happy to find that acpi was working much better. However, after
> the recent upgrade of ACPI in 5.2-CURRENT, all the problems that had been
> fixed reappeared. My laptop is a Dell Inspiron 5100 with Dell BIOS A23.
> The symptoms are:
> o The acpi battery information is invalid
> o The acpi temperature information is invalid
> o The following message is repeated several times on the console when it boots:
>      -0166: *** Error: UtAllocate: Attempt to allocate zero bytes

Try reverting sys/contrib/dev/acpica/dsmthdat.c to rev 1.1.1.17
Then compile/boot with a new acpi.ko.  I have a feeling there are still a
lot of reference problems in AML that acpi-ca doesn't handle.

-Nate