Date: Sun, 19 May 2013 08:51:26 -0700 From: Dennis Glatting <freebsd@pki2.com> To: Tijl Coosemans <tijl@coosemans.org> Cc: freebsd-questions@freebsd.org Subject: Re: More than 32 CPUs under 8.4-P Message-ID: <1368978686.16472.25.camel@btw.pki2.com> In-Reply-To: <51989FDA.5070302@coosemans.org> References: <1368897188.16472.19.camel@btw.pki2.com> <51989FDA.5070302@coosemans.org>
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On Sun, 2013-05-19 at 11:48 +0200, Tijl Coosemans wrote: > On 2013-05-18 19:13, Dennis Glatting wrote: > > I have a 4x16=64 core server running FreeBSD 8.4-P but only two of the > > CPUs (2x16=32) are enabled. Enabling the other 32 isn't as simple as > > changing MAXCPU in param.h (apparently) and recompiling. > > > > What do I need to do to enable the other 32 cores? > > Try FreeBSD 9.x. MAXCPU is 64 there. > Not an option. ZFS hangs on multi-socket systems (Tyan, Supermicro) under 9.1. ZFS does not hang under 8.4. This (and one other 4 socket) is a production system.
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