how many cpus can freebsd support in smp?

Brooks Davis brooks at one-eyed-alien.net
Wed Mar 26 22:11:16 PST 2003


On Wed, Mar 26, 2003 at 08:22:57AM -0600, Cagle, John (ISS-Houston) wrote:
> I've had 8 real cpus running on a ProLiant DL740.  I tried to get 16
> (8 with hyperthreading), but the kernel needs xapic or clustered apic
> support to do that.

Have you tried since the APIC mask was widened?  Prior to that it
obviously wouldn't work since you had 8 bits and 16 CPUs.

-- Brooks

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