Re: booting SMP P6 kernel on P4 hangs.

[Mark Hemment]

On Mon, 6 Aug 2001, Maciej W. Rozycki wrote:

> On Fri, 3 Aug 2001, Mark Hemment wrote:
>
> >   The problem is the MP table contains no configuration blocks, and a zero
> > local APIC address.  I've attached the full boot messages.
> >
> >   The work around is trap that there are no config blocks, and fall back
> > to UP.  Patch attached.
>
>  The following patch should be better -- all the handling is performed at
> the table parsing stage as it should.  Could you please test it?  It
> applies to -ac7 cleanly as well.

  I can't test it at the moment (machine in the States - me in the UK),
but looking at the check against a NULL local APIC address it will trap
the case on the reported box.

Mark