Subject: Re: SMP kernel only seeing one proc.
To: Adam K Kirchhoff <adamk@voicenet.com>
From: Daniel Carosone <dan@geek.com.au>
List: tech-smp
Date: 02/12/2003 12:59:22 
You need options MPBIOS or MPACPI (and attendant other ACPI devices)
so that there's some way to find the second cpu.

MPBIOS used to be implicit, but is now required explicitly.