5.2.1 : general protection fault without ACPI
John Baldwin
jhb at FreeBSD.org
Fri Mar 12 10:19:10 PST 2004
On Thursday 11 March 2004 11:06 pm, Nate Lawson wrote:
> 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.ht
> > >ml
> >
> > 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.)
The problem is that it is hard to debug. or at least time consuming. Maybe I
will work on that as my current project though.
--
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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