New ACPI diffs ready for testing

[Terry Lambert]

Doug Barton wrote:
> On Fri, 25 Apr 2003, Nate Lawson wrote:
> > I have prepared two versions of ACPI for testing, one from the 0228 dist
> > and one from 0328.
> >
> >     http://www.root.org/~nate/freebsd/acpi-0228.diff.gz
> >     http://www.root.org/~nate/freebsd/acpi-0328.diff.gz
> 
> I just tested 0328 on my thinkpad a21e. I noticed two problems right away.
> First, I couldn't get battery status at all. Second, the following
> messages were scrolling by about once a second:
> 
> ACPI-1284: *** Error: Method execution failed [\_SB_.PCI0.ISA_.EC__.AC__._PSR] (Node 0xc25c2640), AE_NOT_EXIST

An Intel employee posted that this is fixed in the newest
code drop, which is to be available soon.

You can actually work around this by relaxing the ordering
restrictions (turning the process two-pass).  This is what
Microsoft does for their implementation, I believe.

-- Terry