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Date: Wed, 26 Mar 2003 16:43:40 -0600
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Thread-Topic: how many cpus can freebsd support in smp?
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From: "Cagle, John (ISS-Houston)" <john.cagle@hp.com>
To: "Brooks Davis" <brooks@one-eyed-alien.net>
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cc: freebsd-smp@freebsd.org
Subject: RE: how many cpus can freebsd support in smp?
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It was about a month ago.  When was the APIC mask widened?

> -----Original Message-----
> From: Brooks Davis [mailto:brooks@one-eyed-alien.net]=20
> Sent: Wednesday, March 26, 2003 4:11 PM
> To: Cagle, John (ISS-Houston)
> Cc: Barry Wu; freebsd-smp@freebsd.org
> Subject: Re: how many cpus can freebsd support in smp?
>=20
>=20
> On Wed, Mar 26, 2003 at 08:22:57AM -0600, Cagle, John=20
> (ISS-Houston) wrote:
> > I've had 8 real cpus running on a ProLiant DL740.  I tried=20
> to get 16=20
> > (8 with hyperthreading), but the kernel needs xapic or=20
> clustered apic=20
> > support to do that.
>=20
> Have you tried since the APIC mask was widened?  Prior to=20
> that it obviously wouldn't work since you had 8 bits and 16 CPUs.
>=20
> -- Brooks
>=20
> --=20
> Any statement of the form "X is the one, true Y" is FALSE.
> PGP fingerprint 655D 519C 26A7 82E7 2529  9BF0 5D8E 8BE9 F238 1AD4
>=20