Subject: re: "couldn't ping cpus" error when starting X
To: Tillman Hodgson <tillman@seekingfire.com>
From: matthew green <mrg@eterna.com.au>
List: port-sparc
Date: 05/16/2005 09:17:56
   On Mon, May 16, 2005 at 07:15:57AM +1000, matthew green wrote:
   >    
   >    Unfortunately, no. Not unless mismatched CPU modules will work with
   >    NetBSD (I'v enever been clear about that, though the idea seems dubious
   >    ;-)).
   > 
   > if they are the same cpu family they tend to work.  i ran a ss10 with
   > 2x 100mhz hypersparc (256kb L2) and 1x 150mhz hypersparc (512kb L2)
   > for quite some time.  it was the hottest pizza box i've ever seen..
   
   Oh, interesting! Was the reliability affected (aside from heat factors,
   of course)? How does the scheduler cope with mismatched CPUs?


it seemed quite stable.  the scheduler didn't do anything special
so long-running processes often ended up on the slower cpus... but
i didn't care as it was mostly about having a test machine :-)
i did have it run for many weeks at a time tho.


.mrg.