Re: uses only 10 out of 12 cpus on a E4500, 2.6.9
On Thu, 23 Dec 2004 23:21:41 -0600
morten pedersen <email@example.com> wrote:
> i have an E4500 with 12 cpus.
> when i installed Sarge i had 10 cpus. i upgraded to 12.
> but it only probes and uses 10.
> when it boots, POST shows 12 ok cpus.
> any ideas?
It's due to the CONFIG_NR_CPUS setting used when building
the kernel. It needs to be larger than the largest physical
cpu number in your machine in order to use all available