From owner-freebsd-questions@FreeBSD.ORG Wed Sep 5 08:57:22 2007 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id EB2C116A421 for ; Wed, 5 Sep 2007 08:57:22 +0000 (UTC) (envelope-from kris@FreeBSD.org) Received: from weak.local (hub.freebsd.org [IPv6:2001:4f8:fff6::36]) by mx1.freebsd.org (Postfix) with ESMTP id 4B19F13C45E; Wed, 5 Sep 2007 08:57:22 +0000 (UTC) (envelope-from kris@FreeBSD.org) Message-ID: <46DE6F6F.4020108@FreeBSD.org> Date: Wed, 05 Sep 2007 10:57:19 +0200 From: Kris Kennaway User-Agent: Thunderbird 2.0.0.6 (Macintosh/20070728) MIME-Version: 1.0 To: "Chad Leigh -- Shire.Net LLC" References: <143A5CF5-6E2F-4BBD-851D-B9BCA4D0BB71@shire.net> In-Reply-To: <143A5CF5-6E2F-4BBD-851D-B9BCA4D0BB71@shire.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: User Questions Subject: Re: no SMP without ACPI? (amd64) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 Sep 2007 08:57:23 -0000 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