Date: Wed, 05 Sep 2007 10:57:19 +0200 From: Kris Kennaway <kris@FreeBSD.org> To: "Chad Leigh -- Shire.Net LLC" <chad@shire.net> Cc: User Questions <freebsd-questions@freebsd.org> Subject: Re: no SMP without ACPI? (amd64) Message-ID: <46DE6F6F.4020108@FreeBSD.org> In-Reply-To: <143A5CF5-6E2F-4BBD-851D-B9BCA4D0BB71@shire.net> References: <143A5CF5-6E2F-4BBD-851D-B9BCA4D0BB71@shire.net>
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Chad Leigh -- Shire.Net LLC wrote: > Hi > > I have a 6.2R system (amd64) with the latest patch level. > > The motherboard is a Tyan S5197 i3110 based board with a Core 2 Quad 2.4 > ghz processor. There is 4GB of memory and an Areca ARC-1231ML raid card. > > The problem is that I have to boot without ACPI or the system will > randomly reboot itself when doing something. It will sit idle for ages > but if I do a system build (make buildworld for example), it usually > will not make it through without rebooting. If I boot without ACPI > support (#2 in the boot loader), then the system is fine, I can do a > billion builds without incident, except that I only get 1 CPU. (Yes, > the kernel has SMP option built in). > > I would really like to run with all 4 cores but cannot run with ACPI at > the moment due to instability. > > Any suggestions? Any way to get "old-style" SMP detection working (ie, > without ACPI)? Maybe not, I think ACPI is required by the amd64 spec. Note that this may well be hardware related: without acpi you are only using one CPU, etc, so if one of the others is bad it will only fail when you have ACPI enabled -- even if ACPI itself is not to blame. Kris
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