From owner-freebsd-amd64@FreeBSD.ORG  Wed Jul 27 13:44:04 2005
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From: John Baldwin <jhb@FreeBSD.org>
To: freebsd-amd64@freebsd.org
Date: Wed, 27 Jul 2005 09:44:16 -0400
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Cc: Phil Allsopp <phil@virtek.com>
Subject: Re: MultiCPU opteron Kernel configuration.
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On Wednesday 27 July 2005 07:11 am, Phil Allsopp wrote:
> Hi all,
>
> I have a Tyan Tiger K8S PRO twin opteron board and want to run FreeBSD 5.4
> in twin CPU mode. However, when I re-configure the kernel, I add
>
> options SMP
>
> and rebuild everything and see no errors, however I see no multiple CPU
> usage after rebuilding, installing and rebooting the machine.
>
> On older versions of FreeBSD, I used to add
>
> options APIC_IO
>
> to the kernel conf file to get a multiple CPU system running, but 5.4 AMD
> version of FreeBSD doesn't seem to recognise this.
>
> Information seems to be thin on the ground about dual CPU's under
> FreeBSD  5.4 AMD 64 and wondered if anyone could point me the right
> direction.
>
> Thanks in advance.

Use 'device apic' rather than 'options APIC_IO'

-- 
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org