Panic at boot time

[John Baldwin]

On Saturday 31 January 2004 09:29 am, Ian Freislich wrote:
> John Baldwin wrote:
> > On Thursday 29 January 2004 12:42 pm, Ian Freislich wrote:
> > > Hi
> > >
> > > I've been getting this panic at boot time for last few weeks.  The
> > > last kernel that works is of around Wed Jan  7 15:23:38 SAST 2004.
> > >
> > > Random datapoints:
> > >    Gigabyte 686DLX motherboard with 2 PentiumII CPUs
> > >    I've noticed that ACPI has been working more and more poorly
> > >       with this motherboard.
> > >    I think this is related to ACPI brokenness because the working
> > >    kernel panics in exactly the same way if I set
> > > hint.acpi.0.disabled="1".
> >
> > That means your working kernel doesn't work if ACPI is disabled which is
> > what you are seeing here.  Can you try kernels without SMP and see if
> > ACPI and !ACPI both work?
>
> Yes, UP kernels work with and without ACPI.  So ACPI is broken for
> SMP (on this particular board)?

No, you get the panic when you don't use ACPI when using SMP.  See if your 
system has an MADT table via 'acpidump -t'.  If it doesn't, see if there is a 
BIOS update for your BIOS.

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