trouble with HT

Kris Kennaway kris at
Wed Apr 4 00:57:23 UTC 2007

On Tue, Apr 03, 2007 at 07:45:55PM -0500, Jonathan Horne wrote:
> building a new system, processor is:
> CPU: Intel(R) Pentium(R) 4 CPU 2.80GHz (2793.20-MHz 686-class CPU)
>   Origin = "GenuineIntel"  Id = 0xf29  Stepping = 9
>   Features2=0x4400<CNTX-ID,<b14>>
> and the chipset is Intel 865G.  in 6.2, the old method of enabling HT with sysctl.conf seems to be depricated, as i got a nastygram from dmesg that im a dummy on boot up (so i took those back out).  then i read thru some docs, and apparently, HT is supposed to be enabled in the base release now.
> strange part is, for a while, 'top -C' would show me the C column, and i actually could see some 0's and 1's, so i went about my business of building ports.  now that i go back, the -C is no longer being obeyed, and i cant get the C column to appear.

That suggests you may have rebuilt your kernel without SMP support.

> how can i verify that HT is working?  my mobo (IBM 8189) doesnt seem to have an on/off for HT, so my first inclenation is assume that its on (we have many windows machines running on this hardware, and HT never seems to be a problem with those).
> any pointers would be appreciated (and yes, already know alllll about the security advisories... :)

And about the possible poor performance I assume :)


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