Worked in RELENG_5, fails in RELENG_6

[Moore, Robert]

> > >> ACPI-0237 *** Error: Incorrect table signature - wanted [FACS]
> > >> found [   ]
> > >> ACPI-0359 *** Error: Could not get/install the FACS, 
> > >> AE_BAD_SIGNATURE ACPI-0191 ... ACPI-0213 ...

Some ideas:

This looks like possibly the pointer to the FACS (in the FADT) is bogus.

There may be multiple RSDTs/XSDTs on this machine and the code is
picking the wrong one (a bad one).

In any case, it will probably require some poking around by hand in
memory to trace the RSDT/FADT/FACS pointers and examine the tables.
Instrumenting acpidump might be helpful (I would hope that acpidump has
a verbose mode to help track down these kinds of problems.)

Bob


> -----Original Message-----
> From: John Baldwin [mailto:jhb at freebsd.org]
> Sent: Tuesday, November 29, 2005 2:39 PM
> To: Moore, Robert
> Cc: David Kelly; freebsd-acpi at freebsd.org
> Subject: Re: Worked in RELENG_5, fails in RELENG_6
> 
> On Tuesday 29 November 2005 05:26 pm, Moore, Robert wrote:
> > FACS does not replace FADT. FACS is an ACPI 1.0 table as well.
> 
> Ok, nevermind then, I misread things in the brief browsing I did of
> CHANGES.txt in the ACPICA distribution.  Do you have any ideas why an
> older
> version of ACPICA would accept his FACS, but the more recent versions
are
> now
> choking on it?  Did the in-kernel version not verify checksums on FACS
> until
> recently?  It seems that acpidump has always reported that the table
is
> corrupt, even with the older ACPICA distribution.
> 
> > > -----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
> > > _______________________________________________
> > > freebsd-acpi at freebsd.org mailing list
> > > http://lists.freebsd.org/mailman/listinfo/freebsd-acpi
> > > To unsubscribe, send any mail to
> >
> > "freebsd-acpi-unsubscribe at freebsd.org"
> 
> --
> John Baldwin <jhb at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
> "Power Users Use the Power to Serve"  =  http://www.FreeBSD.org