Date: Tue, 27 Jun 2006 08:43:45 -0500 From: seebs@plethora.net (Peter Seebach) To: freebsd-amd64@freebsd.org Subject: Re: SMP system not running SMP Message-ID: <200606271343.k5RDhjBq006275@guild.plethora.net> In-Reply-To: Your message of "Tue, 27 Jun 2006 14:36:50 BST." <E1FvDkI-000A1t-IY@dilbert.firstcallgroup.co.uk>
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In message <E1FvDkI-000A1t-IY@dilbert.firstcallgroup.co.uk>, Pete French writes : >I think what people are sayng is that ACPI is part of the spec for the 64 >bit platform. So you *shouldn't* do a 64 bit OS with ACPI disabled, and it's >hardly surprising if you run into problems if you do. Under 32 bit (which is >what I have reverted to trying) then ACPI is not part of the platform spec >and is thus not needed for SMP (as SMP on 32 bit predates ACPI). >So if you ran 32 bit NetBSD then it should work with or withough ACPI. If >you run it as 64 bit's then it is well within it's right to fail if ACPI >is disabled. On the other hand it might just share the 32 bit code and >still work. FWIW, NetBSD/amd64 just runs on this box. I will check again whether it was with or without ACPI, but it seems to be running properly in 64-bit everything and doing SMP. I'm gonna see whether that's good enough for the person whose computer this will be; I don't think he has a significant preference between the systems, and if I can make that work, I'll do a few more experiments, send in data points, then load something else and ship it. :) -s
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