Subject: Re: Different speed CPUs show up as same speed
To: Perry E. Metzger <perry@piermont.com>
From: Thor Lancelot Simon <tls@rek.tjls.com>
List: tech-smp
Date: 06/13/2002 13:01:13
On Thu, Jun 13, 2002 at 12:58:19PM -0400, Perry E. Metzger wrote:
> 
> David Laight <david@l8s.co.uk> writes:
> > > > Wow - differing CPU clock speeds.  In most MP setups I know about that
> > > > would result in a lock up at some point in the future.
> > 
> > There is no real reason for it to lock up.
> 
> Yes there is. The locking protocols on the two processors are not
> guaranteed to have compatible bugs if the processors aren't the same
> stepping. I'm pretty surprised that this is working for him --

That's not true -- there's a large chart available from Intel of which
steppings are known to work together.

-- 
 Thor Lancelot Simon	                                      tls@rek.tjls.com
   But as he knew no bad language, he had called him all the names of common
 objects that he could think of, and had screamed: "You lamp!  You towel!  You
 plate!" and so on.              --Sigmund Freud