Re: 5.2.1 : general protection fault without ACPI

From: John Baldwin <jhb_at_FreeBSD.org>
Date: Fri, 12 Mar 2004 10:56:55 -0500
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
Received on Fri Mar 12 2004 - 09:19:09 UTC

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