Date: Wed, 26 Mar 2003 16:43:40 -0600 From: "Cagle, John (ISS-Houston)" <john.cagle@hp.com> To: "Brooks Davis" <brooks@one-eyed-alien.net> Cc: freebsd-smp@freebsd.org Subject: RE: how many cpus can freebsd support in smp? Message-ID: <C50AB9511EE59B49B2A503CB7AE1ABD10476C147@cceexc19.americas.cpqcorp.net>
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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
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