FreeBSD is very slow when Memory chip sizes are imbalanced in slots

Poul-Henning Kamp phk at phk.freebsd.dk
Mon Mar 18 15:26:17 UTC 2013


In message <D956B1EE70984978BCB396A9796EAEDD at multiplay.co.uk>, "Steven Hartland" writes:

>You state there that "The main boards are the same" which indicates to me
>the machines aren't the same machine which could result in some other subtle
>difference causing the problem.
>
>To confirm you'll need to use the "exact same machine" for tests with the only
>difference being the ram modules installed.

Or, at the very least, switch _all_ the RAM between the two machines, and confirm
that the problem follows the RAM.


-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.


More information about the freebsd-current mailing list