Re: booting SMP P6 kernel on P4 hangs.

From: Mark Hemment (markhe@veritas.com)
Date: Mon Aug 06 2001 - 10:08:17 EST


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

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