From owner-freebsd-amd64@FreeBSD.ORG Tue Apr 26 16:58:43 2005 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 8F3A416A4CE for ; Tue, 26 Apr 2005 16:58:43 +0000 (GMT) Received: from dragon.NUXI.org (trang.nuxi.com [66.93.134.19]) by mx1.FreeBSD.org (Postfix) with ESMTP id 388D443D31 for ; Tue, 26 Apr 2005 16:58:43 +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 j3QGwbYj064880; Tue, 26 Apr 2005 09:58:37 -0700 (PDT) (envelope-from obrien@dragon.NUXI.org) Received: (from obrien@localhost) by dragon.NUXI.org (8.13.3/8.13.1/Submit) id j3QGwaTk064852; Tue, 26 Apr 2005 09:58:36 -0700 (PDT) (envelope-from obrien) Date: Tue, 26 Apr 2005 09:58:36 -0700 From: "David O'Brien" To: Diomidis Spinellis Message-ID: <20050426165836.GA45067@dragon.NUXI.org> References: <426D1F5A.20307@aueb.gr> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <426D1F5A.20307@aueb.gr> 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-amd64@freebsd.org Subject: Re: Kernel panics running 5.4-RC3 and 5.4-STABLE on an AMD-64 with 8GB RAM X-BeenThere: freebsd-amd64@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: freebsd-amd64@freebsd.org List-Id: Porting FreeBSD to the AMD64 platform List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Apr 2005 16:58:43 -0000 On Mon, Apr 25, 2005 at 08:48:26PM +0400, Diomidis Spinellis wrote: > I am trying to make a Tyan S4882 (K8QSPro) motherboard with two 2.2GHz > Opterons and 8GB RAM to work with FreeBSD. Both the 5.4-RC3 > installation boot disk, and Thursday's 5.4-STABLE code panic. The > system works fine with 4GB of RAM (it can run make buildworld), either > by physically removing the memory, or by adding "set hw.physmem = 4GB" > in boot/loader.rc. What BIOS version are you using, and what are your BIOS settings for memory related things? Do you have "Hardware memory hole" or "Software memory hole" enabled? Can use the full 8GB fine if you use "Failsafe defaults"? If you use "Optimial defaults"? -- -- David (obrien@FreeBSD.org)