Re: Problems with SMP & ACPI powering off

From: Len Brown
Date: Fri Sep 28 2007 - 00:59:01 EST


On Thursday 27 September 2007 18:00, Rafael J. Wysocki wrote:
> On Thursday, 27 September 2007 23:29, Mark Lord wrote:
> > Question: do we disable all CPUs except 0 when doing ACPI power off?
>
> No, but we should.

We used to.
It is absolutely mandatory -- else it confuses the BIOS on some boards
b/c it isn't expecting SMM to get entered from other than cpu0.

-Len
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/