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From: James Bourne <>
To: Yaroslav Klyukin <>
Subject: Re: HyperThreading with 2.4.23 and Dual Intel Xenon
Date: Tue, 9 Dec 2003 09:36:02 -0700 (MST)	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Tue, 9 Dec 2003, Yaroslav Klyukin wrote:

> Marcelo Tosatti wrote:
> >>we compiled 2.4.23 for 2 cpus but we don't get Hyperthreading working.
> >>with 2.4.20 and the machine, it work without probs.
> >>
> >>Any ideas? 
> Maybe you need to enable ACPI.

There has also been an issue identified where HT will not be detected
correctly with 2.4.23 unless you apply a patch or set your number of CPUs to
8 instead of 2...

Please try the patch at

as it contains this as well as other fixes.


James Bourne                  | Email:            
Unix Systems Administrator    | WWW: 
Custom Unix Programming       | Linux:  The choice of a GNU generation
 "All you need's an occasional kick in the philosophy." Frank Herbert  

  reply	other threads:[~2003-12-09 16:36 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <>
     [not found] ` <>
2003-12-09 15:11   ` HyperThreading with 2.4.23 and Dual Intel Xenon Yaroslav Klyukin
2003-12-09 16:36     ` James Bourne [this message]
2003-12-08 16:43 Power-Netz (Schwarz)
2003-12-08 17:34 ` Marcelo Tosatti

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