SMP issue (Re: Status summary Was: [XenPPC] Cannot boot from local disk)

[Kiyokuni Kawachiya <KAWATIYA@xxxxxxxxxx>]

Amos, I tried, but it failed on my JS20 at the same point.  I attach the
boot log.
(The message "@@@@mpic.c@@@@" is added by me to check that the modified
version is actually used.)

(See attached file: bootlog3.txt)

Kiyokuni KAWACHIYA / IBM Tokyo Research Laboratory

xen-ppc-devel-bounces@xxxxxxxxxxxxxxxxxxx wrote on 2006/10/12 02:30:46:

> On Sat, Oct 07, 2006 at 01:56:56AM +0900, Kiyokuni Kawachiya wrote:
> > >  2. The SMP patch apparently causes dom0 Linux to fail
> > >     on Kawachiya's JS20, but no other JS20.
> >
> > ----> is not solved yet, may depend on my JS20. sent the boot log
>
> Hi Kawachiya.  If you get a chance, could you please apply this patch to
> the Linux tree you use for dom0 and boot without the "nosmp" option?
>
> diff -r b9e38b262f64 arch/powerpc/sysdev/mpic.c
> --- a/arch/powerpc/sysdev/mpic.c   Sun Oct 08 14:22:12 2006 -0400
> +++ b/arch/powerpc/sysdev/mpic.c   Wed Oct 11 13:22:07 2006 -0400
> @@ -619,6 +619,7 @@ struct mpic * __init mpic_alloc(unsigned
>     mpic->tmregs = mpic->gregs + ((MPIC_TIMER_BASE - MPIC_GREG_BASE) >>
2);
>     BUG_ON(mpic->gregs == NULL);
>
> +#if 0
>     /* Reset */
>     if (flags & MPIC_WANTS_RESET) {
>        mpic_write(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0,
> @@ -628,6 +629,7 @@ struct mpic * __init mpic_alloc(unsigned
>               & MPIC_GREG_GCONF_RESET)
>           mb();
>     }
> +#endif
>
>     /* Read feature register, calculate num CPUs and, for non-ISU
>      * MPICs, num sources as well. On ISU MPICs, sources are counted
>

bootlog3.txt
Description: Binary data

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