first time with a 64bit CPU ... kernel config ...

Marc G. Fournier scrappy at hub.org
Mon Jan 16 15:23:35 PST 2006


On Mon, 16 Jan 2006, Vivek Khera wrote:

>
> On Jan 16, 2006, at 2:25 PM, Marc G. Fournier wrote:
>
>> perfect, thanks ... final question for now ... when I get and put in the 
>> second CPU, is there anything I need to add/change in the kernel config 
>> file for it, or will it just be auto-detected?
>
> options SMP
>
> done.  i'm fairly confident you can boot such a kernel on a single CPU too.
>
> also, make sure you don't have hyperthreading on these processors on.  it 
> seems to just degrade performance.  if you build a SMP kernel, it will try to 
> use hyperthreading unless you tell it not to and/or it is disabled in bios.

'k, will have to check the BIOS on this one, but how does one disable it 
within FreeBSD 6.x?  Same as 4.x?

----
Marc G. Fournier           Hub.Org Networking Services (http://www.hub.org)
Email: scrappy at hub.org           Yahoo!: yscrappy              ICQ: 7615664


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