Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 26 Mar 2003 14:10:41 -0800
From:      Brooks Davis <brooks@one-eyed-alien.net>
To:        "Cagle, John (ISS-Houston)" <john.cagle@hp.com>
Cc:        freebsd-smp@freebsd.org
Subject:   Re: how many cpus can freebsd support in smp?
Message-ID:  <20030326141041.A30253@Odin.AC.HMC.Edu>
In-Reply-To: <C50AB9511EE59B49B2A503CB7AE1ABD10476C133@cceexc19.americas.cpqcorp.net>; from john.cagle@hp.com on Wed, Mar 26, 2003 at 08:22:57AM -0600
References:  <C50AB9511EE59B49B2A503CB7AE1ABD10476C133@cceexc19.americas.cpqcorp.net>

next in thread | previous in thread | raw e-mail | index | archive | help

--EVF5PPMfhYS0aIcm
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

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

--=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

--EVF5PPMfhYS0aIcm
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.1 (GNU/Linux)

iD8DBQE+giVhXY6L6fI4GtQRAvrBAJ9WRv8Wy1g7vlhAmew4k9XkgslOTQCgsozO
O1+X1K/abtMens4wlX8FfDI=
=L/Hp
-----END PGP SIGNATURE-----

--EVF5PPMfhYS0aIcm--



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20030326141041.A30253>