5.2.1 : general protection fault without ACPI

[Nate Lawson]

On Thu, 11 Mar 2004, John Baldwin wrote:
> On Wednesday 10 March 2004 11:57 pm, Nate Lawson wrote:
> > You might want to try booting with device apic disabled.  Also, can you
> > send me a link to your ASL?
> >
> >    acpidump -t -d > niraj.asl
> >
> > The ACPI debugging section of the handbook suggests this:
> > http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/acpi-debug.html
>
> It's not an ACPI problem.  5.x has grown a regression in its handling of
> BIOS32 calls somehow.  It breaks the PNP BIOS probe on the intel 8[46]5
> boards that I have available here.

!!!  This should be number 1 on our todo list before 5.3.  I suspect the
issue has to do with moving the kernel base address to get around the P4
faults we were getting on some systems.  (I think Bosko did that fix.)

-NAte