[WBEL-users] Re: Hyperthreading not enabled in WB kernels?

[Bastiaan van der Put]

smp-2.4.21-9.0.1.EL does support HT, showing 2 on normal P4

didnt try 9.0.3 yet

Greetings,

Bas
At 00:53 4/29/2004, you wrote:
>On Wed, 28 Apr 2004 Vincent.Raffensberger@dtn.com wrote:
>
> > While testing whitebox I noticed that hyperthreading doesn't appear to be
> > enabled in the kernel.
> > This system is a dual Xeon with HT enabled and showing in the BIOS.
> > This same box has run RH8.0 and Fedora Core1 and they both showed four
> > "processors" and "siblings: 2" in /proc/cpuinfo.
> > As recommended elsewhere, I tried appending "apcismp=force" to the kernel,
> > but that didn't change anything.
> >
> > Are there any other users seeing the same type of thing?
> >
> > Here's some relevant info from the system:
> > [root@wbel3 root]# uname -a
> > Linux wbel3 2.4.21-9.0.3.ELsmp #1 SMP Sat Apr 24 21:45:44 EDT 2004 i686
>                                     ^^^
>                                     ^^^
>I think the key here is that you are using a SMP kernel.  IIRC that is how
>the HT part is enabled.
>
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