Worked in RELENG_5, fails in RELENG_6

[John Baldwin]

On Saturday 26 November 2005 08:07 pm, David Kelly wrote:
> Per instructions at
> http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/acpi-debug.html
>
> System is Dell Poweredge 400SC, BIOS revision A06. Boot panics with ACPI
> enabled.
>
> boot -v:
> [too much to type]
> 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 ...
> ...
> panic: Using MADT but ACPI doesn't work.
>
> Have not figured out how to "boot -v" with ACPI disabled. That would be
> a nice little thing to add to chapter 11.16.1 of the Handbook.

At the loader prompt, do:

'set hint.acpi.0.disabled=1'

and then 'boot' or 'boot -v'.

> In addition to the above the following is written to stderr:
> acpidump: FACS is corrupt

Well, that would seem to indicate an issue with the ACPI tables generated by 
the BIOS. :)

-- 
John Baldwin <jhb at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org