trouble with HT
kris at obsecurity.org
Wed Apr 4 16:00:06 UTC 2007
On Wed, Apr 04, 2007 at 12:57:15PM +0200, Andrea Milani wrote:
> Jonathan Horne wrote:
> >well, wikipedia says this (something that i just now learned about
> >standard pentium4 line of processors)
> >HyperThreading was present in all Northwood CPUs, but was disabled in the
> >core in all but the 3.06 GHz model.
> That's not true. I have a 2.6 GHz Northwood, and it supports
> HyperThreading (however I'm not running FreeBSD on it, so I can't help
> you with SMP).
> You can use the Intel Processor Spec Finder
> (http://processorfinder.intel.com/) to discover the capabilities of your
> CPU, but I think the "HTT" that appears in the dmesg output stands for
> Hyper Threading Technology.
The 'HTT' feature bit says the CPU can be queried about whether it
supports HTT, not that it supports it.
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