Re: 2.6.16rc5 'found' an extra CPU.

[Chuck Ebbert]

In-Reply-To: <20060301230317.GF1440@xxxxxxxxxx>

On Wed, 1 Mar 2006 18:03:17, Dave Jones wrote:

> (17:59:38:davej@nemesis:~)$ cat /sys/devices/system/cpu/cpu0/topology/core_siblings
> 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000001
> (17:59:47:davej@nemesis:~)$ cat /sys/devices/system/cpu/cpu1/topology/core_siblings
> 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000002
> 
> Neither of these CPUs are HT / dual-core, so shouldn't these be the same ?

Those are bitmaps. 1 => only bit 0 is set => CPU 0 is all alone.

Did you really build a 256-CPU SMP kernel or is ACPI ignoring CONFIG_NR_CPUS
or something?


-- 
Chuck
"The sleet in Crete falls neatly in the street."

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