From owner-freebsd-stable@FreeBSD.ORG Thu Mar 31 18:45:25 2005 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9C8E816A4CE; Thu, 31 Mar 2005 18:45:25 +0000 (GMT) Received: from dragon.NUXI.org (trang.nuxi.com [66.93.134.19]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6143E43D70; Thu, 31 Mar 2005 18:45:25 +0000 (GMT) (envelope-from obrien@NUXI.com) Received: from dragon.NUXI.org (obrien@localhost [127.0.0.1]) by dragon.NUXI.org (8.13.3/8.13.3) with ESMTP id j2VIjObD001820; Thu, 31 Mar 2005 10:45:25 -0800 (PST) (envelope-from obrien@dragon.NUXI.org) Received: (from obrien@localhost) by dragon.NUXI.org (8.13.3/8.13.1/Submit) id j2VIjOSu001819; Thu, 31 Mar 2005 10:45:24 -0800 (PST) (envelope-from obrien) Date: Thu, 31 Mar 2005 10:45:24 -0800 From: "David O'Brien" To: Peter Wemm Message-ID: <20050331184524.GB1687@dragon.NUXI.org> References: <20050330222439.GU84137@wantadilla.lemis.com> <424B308C.7070506@samsco.org> <20050330230951.GY84137@wantadilla.lemis.com> <200503301525.37798.peter@wemm.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200503301525.37798.peter@wemm.org> X-Operating-System: FreeBSD 6.0-CURRENT Organization: The NUXI BSD Group X-Pgp-Rsa-Fingerprint: B7 4D 3E E9 11 39 5F A3 90 76 5D 69 58 D9 98 7A X-Pgp-Rsa-Keyid: 1024/34F9F9D5 User-Agent: Mutt/1.5.9i cc: FreeBSD Stable Users cc: freebsd-amd64@freebsd.org Subject: Re: Problems with AMD64 and 8 GB RAM? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: freebsd-amd64@freebsd.org List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 31 Mar 2005 18:45:25 -0000 On Wed, Mar 30, 2005 at 03:25:37PM -0800, Peter Wemm wrote: > Greg: The busdma problems from 5.3-RELEASE are fixed. That doesn't > mean that there are no *other* problems. Scott is saying "the old > busdma bug shouldn't be affecting 5.4-PRE", and he's correct. > > Most likely, something else is happening, eg: you're running out of KVM > or something silly like that. I know we're right on the brink at 8GB. > The layout of the devices may be just enough to tip it over the edge. Grog's motherboard is a 4+0 configuration -- which would mean he is using (trying to) 2GB DIMM's. There are memory bus loading specifictions he may be out of spec of. -- -- David (obrien@FreeBSD.org)