FreeBSD 7 on old SMP server?

[Brian]

Joshua Coombs wrote:
> Oliver Fromme wrote:
>>
>>  > My hacked up 386 showed gains going from 6.2 to 7, the big win 
>> that I've  > noticed is scp throughput, I can sustain 40 to 45kbps 
>> where in the past  > the box walled at around 30kbps.  Apache seems 
>> to have less latency  > responding to gets also.  I'm just running a 
>> 7b3 kernel at the moment,  > I'm going to have to repartition with a 
>> lot more swap space to be able  > to build a 7 world (When did the 
>> ram use for a buildworld skyrocket?!)  > but even with this setup, 7 
>> + ULE is a win for me.
>>
>> Are you saying you run FreeBSD 7 on an 80386(SX/DX) machine?
>> How exactly did you hack it?  As far as I know, support for
>> 80386 processors was removed from FreeBSD a while ago.
>
> For a very short while with 6.0 I was tweaking the kernel to detect 
> 386s as 486s, as well as using CPU_DISABLE_CMPXCHG and having ok 
> luck.  I've now got a Cyrix 486DrX-2 66 installed in place of my 
> Am386DX-40, which supports CMPXCHG as well as ID'ing as a 486 so I 
> don't need to do any tweaking to stay running.
>
> If I can get another viable 386DX box reassembled I'll see if 7 can be 
> pressed into functioning on it as 6 could.
>
> Joshua Coombs
>
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Would that be a multiday buildworld?

Brian