Subject: Re: Different speed CPUs show up as same speed
To: Brett Lymn <blymn@baesystems.com.au>
From: Ken Seefried <ken@seefried.com>
List: tech-smp
Date: 06/12/2002 01:01:18
Brett Lymn writes: 

> On Tue, Jun 11, 2002 at 12:57:36AM -0400, John Klos wrote:
>> 
>> So the issue is a little bug - the code that reports the speed of the
>> second CPU does not actually report the speed of the second CPU. Anyone
>> feel like checking this out? 
>> 
> 
> 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. 
> 

Sparc32 supports all sorts of odd combos of asymetrical clock speeds.  My 
own SS20 has been running 2x100MHz + 1x90MHz ROSS CPUs under Linux and 
Solaris for quite some time.  It actually came to me as a 2x100MHz ROSS + 
1x75MHz Hypersparc that had been running Solaris for a while. 

Ken