Hi,

I have recently run OpenBSD on number of Sparc32 systems and it runs fine.
No SMP though.

Right now I have one SS20 running with a Dual 142 and a Dual 100, with NetBSD
3.1.  It runs well.

I also have another SS20 that until a few days ago was running either
Dual 180s, or a 180 and a 200.  This was also under NetBSD 3.1.  I've switched
this to a 85mhz SuperSparc II and a 60mhz SuperSparc for testing, still running
the same NetBSD 3.1

The only change I've found to make things reliable is that you must increase
NMBCLUSTERS.  I've made mine to 4096 from 256.  Otherwise a lot of input net
traffic will hang the networking stack.
http://www.netbsd.org/docs/kernel/index.html#mclpool-limit

cheers

bruce




----- Message d'origine -----
De: [EMAIL PROTECTED] (Ludovic Courtès)
Date: Mon, 23 Jul 2007 16:50:31 +0200
Sujet: Re: Sparc32 systems and power consumption
À: "Bruce O'Neel" <[EMAIL PROTECTED]>
Cc: [email protected]

>Hi,
>
>"Bruce O'Neel" <[EMAIL PROTECTED]> writes:
>
>> As a result I've done some power measurements on them in order to find the 
>> lowest 
>> power system that will do what I need.
>
>Interesting!
>
>> SS20/Dual 100 hypersparc    75watts
>> SS20/180 Hypersparc         77watts
>> SS20/Dual 55 hypersparc     80watts
>
>[...]
>
>> SS20/133 hypersparc         85watts
>> SS20/200 hypersparc         90watts
>> SS20/Dual 90 hypersparc     90watts
>> SS20/Dual 142 hypersparc   115watts
>
>These are all ROSS RT62[56] modules, right?
>
>Can you tell us which version of NetBSD successfully runs with these
>configurations, especially the SMP ones?  Does the latest NetBSD support
>some of these configurations?
>
>I vaguely remember reading reports saying that roughly no current OS
>(including Solaris) is able to handle them correctly, especially in SMP
>mode, so that would be an improvement.
>
>Thanks,
>Ludovic.
>
>
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