Worked in RELENG_5, fails in RELENG_6

[Moore, Robert]

FACS does not replace FADT. FACS is an ACPI 1.0 table as well.


> -----Original Message-----
> From: owner-freebsd-acpi at freebsd.org [mailto:owner-freebsd-
> acpi at freebsd.org] On Behalf Of John Baldwin
> Sent: Tuesday, November 29, 2005 1:47 PM
> To: David Kelly
> Cc: freebsd-acpi at freebsd.org
> Subject: Re: Worked in RELENG_5, fails in RELENG_6
> 
> On Tuesday 29 November 2005 04:19 pm, David Kelly wrote:
> > On Tue, Nov 29, 2005 at 02:52:34PM -0500, John Baldwin wrote:
> > > On Monday 28 November 2005 10:46 pm, David Kelly wrote:
> > > > Downloaded and FLASHed BIOS from A06 to Dell's latest, A09 this
> > > > evening. No improvement. Also built and installed a new kernel
from
> > > > cvsup this afternoon. No improvement.
> > >
> > > But 5.4 works fine with ACPI enabled?  This is the machine that
even
> > > acpidump chokes on, yes?  Does acpidump work ok on 5.4?
> >
> > "acpidump -t -d" stops after 31 lines and says, "acpidump: FACS is
> > corrupt" on stderr. See
> > http://home.hiwaay.net/~dkelly/opus-acpidump-d-t.txt
> >
> > "acpidump -d" runs without error and emits 2754 lines. See
> > http://home.hiwaay.net/~dkelly/opus-acpidump-d.txt
> >
> > ACPI worked with 5.4 so I never had a reason to acpidump then. Could
I
> > boot a 5.4 CDROM to test ACPI? Without much effort have put my hands
on
> > a "5.3-RELEASE Live Filesystem" CDROM that should make a good test.
> >
> > There was an issue briefly with ACPI in 5.0 or 5.1, very likely in a
> > prerelease.
> >
> > Absolultely certain ACPI worked prior to 6.0 because among other
things
> > ACPI installed a power button handler which performed a clean
shutdown
> > (same as ctl-alt-del) rather than brute force yank-the-plug crash.
> 
> Ok.  BTW, FACS is an ACPI 2.0 table that replaces the FADT (I think),
so
> if
> your BIOS has an option to only do ACPI 1.0, you can try that to see
if it
> fixes the problem.
> 
> --
> John Baldwin <jhb at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
> "Power Users Use the Power to Serve"  =  http://www.FreeBSD.org
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