* Dell Poweredge 2600 SMP
@ 2002-11-14 17:14 Daniel Podlejski
2002-11-14 17:41 ` Mikael Pettersson
0 siblings, 1 reply; 2+ messages in thread
From: Daniel Podlejski @ 2002-11-14 17:14 UTC (permalink / raw)
To: linux-kernel
Any ideas why Linux 2.4.19, 2.4.20-rc1 and -rc1-ac1 with megaraid
driver from http://www.domsch.com/linux/megaraid/ detects four CPUs,
when olny two are on board ?
--
Daniel Podlejski <underley@underley.eu.org>
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Dell Poweredge 2600 SMP
2002-11-14 17:14 Dell Poweredge 2600 SMP Daniel Podlejski
@ 2002-11-14 17:41 ` Mikael Pettersson
0 siblings, 0 replies; 2+ messages in thread
From: Mikael Pettersson @ 2002-11-14 17:41 UTC (permalink / raw)
To: Daniel Podlejski; +Cc: linux-kernel
Daniel Podlejski writes:
> Any ideas why Linux 2.4.19, 2.4.20-rc1 and -rc1-ac1 with megaraid
> driver from http://www.domsch.com/linux/megaraid/ detects four CPUs,
> when olny two are on board ?
Because
1) it has two hyperthreaded Xeon processors, each of which contains
two logical CPUs, and
2) you didn't disable hyperthreading in the BIOS.
Sigh. This is becoming a FAQ...
^ permalink raw reply [flat|nested] 2+ messages in thread
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