From owner-freebsd-amd64@FreeBSD.ORG Mon Nov 8 19:37:21 2004 Return-Path: Delivered-To: freebsd-amd64@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 83CA216A4CE for ; Mon, 8 Nov 2004 19:37:21 +0000 (GMT) Received: from web14102.mail.yahoo.com (web14102.mail.yahoo.com [216.136.172.132]) by mx1.FreeBSD.org (Postfix) with SMTP id 3FF4F43D46 for ; Mon, 8 Nov 2004 19:37:21 +0000 (GMT) (envelope-from cguttesen@yahoo.dk) Received: (qmail 15980 invoked by uid 60001); 8 Nov 2004 19:37:21 -0000 Message-ID: <20041108193720.15976.qmail@web14102.mail.yahoo.com> Received: from [194.248.174.50] by web14102.mail.yahoo.com via HTTP; Mon, 08 Nov 2004 20:37:20 CET Date: Mon, 8 Nov 2004 20:37:20 +0100 (CET) From: Claus Guttesen To: "Michael R. Wayne" , freebsd-amd64@freebsd.org In-Reply-To: <20041108191947.GA49800@manor.msen.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Subject: Re: How to debug >2GB memory issues (and 3ware) X-BeenThere: freebsd-amd64@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Porting FreeBSD to the AMD64 platform List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Nov 2004 19:37:21 -0000 > I have a Dual 4GB system with a 3ware SATA > controller that's working > properly as long as I restrict it to 2GB with: > hw.physmem=2G > Obviously, I'd like to have access to the other 2GB > of RAM. But > if I go past 2GB, I get random crashes during all > builds (world, > kernel, port). I can't help you with that particular question, but I had issues with a Dell-server and 4 GB RAM which was resolved the same way. Maybe a list of drivers that are 2GB-, 4GB-ready etc. It's getting more and more common to have 4+ GB. Claus