RE: kernel and kernel-smp

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Rich Lafferty wrote:

> On Thu, Jan 22, 2004 at 05:16:47PM +0100, Julien Le Houérou 
> <julien.le-houerou@xxxxxx> wrote:
> >
> > Ok, so i'd better use smp for my p4-hyper-threading?
> 
> I believe so, since a hyperthreaded processor appears as two 
> processors.
> But all of my machines with hyperthreaded CPUs also have multiple
> CPUs, so I'm not sure. You could try booting the uniprocessor kernel
> to see if "both" CPUs show up.
> 
>   -Rich
> 
> -- 
> Rich Lafferty 

No, you need an SMP kernel to access both "processors" on a hyperthreading
P4.

And if you have problems with SMP enabled but not on UP the check out:

  https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=109497

Cheers,

Phil

---------------------------------------------
Phil Randal
Network Engineer
Herefordshire Council
Hereford, UK 




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