Re: 2.6.X not recognizing second CPU

From: Dominik Brodowski
Date: Mon Jun 27 2005 - 16:48:40 EST


On Mon, Jun 27, 2005 at 05:02:37PM -0400, Andrew Haninger wrote:
> On 6/27/05, Jim serio <jseriousenet@xxxxxxxxx> wrote:
> > Thanks for the reply. I think it was a typo but just in case I did try
> > acpi=force and still no go.
> I've not used SMP systems much, but AFAIK, power management is not
> supported. (Though, I guess ACPI is used for stuff other than power
> savings.) Maybe acpi=off?

a) Power Management is available on SMP, though support for it is a bit less
wide-spread than it is for UP

b) ACPI stands for Advanced _Configuration_ and Powermanagement Interface.
For SMP and especially SMT (e.g. HyperThreading) on x86, it is essential
for proper system set-up.

Dominik
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