Hyperthreading problems.

[Yury Tarasievich]

David Rhodus wrote:

On 03 Nov 2004 10:41:07 GMT, Adam K Kirchhoff <adamk at xxxxxxxxxxxxxxx> wrote:
     So I stumbled upon this little oddity.  Even after disabling
hyperthreading in the BIOS of a dual xeon box, dragonfly still shows
four CPUs.  Linux, Windows XP, and FreeBSD all show two.  Any idea why
this is happening?
Anything? :-)

I'll try and mess around with this today.
FWIW, it was same in freebsd 4-STABLE around .8 or .9 sub-version.

Yury