From owner-freebsd-amd64@FreeBSD.ORG Thu Feb 5 08:30:43 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 EB63B16A4CE for ; Thu, 5 Feb 2004 08:30:42 -0800 (PST) Received: from bigtex.jrv.org (rrcs-sw-24-73-246-106.biz.rr.com [24.73.246.106]) by mx1.FreeBSD.org (Postfix) with ESMTP id B3C5A43D3F for ; Thu, 5 Feb 2004 08:30:40 -0800 (PST) (envelope-from james@bigtex.jrv.org) Received: from bigtex.jrv.org (localhost [127.0.0.1]) by bigtex.jrv.org (8.12.1/8.12.1) with ESMTP id i15GRQo8087505 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO); Thu, 5 Feb 2004 10:27:26 -0600 (CST) Received: (from james@localhost) by bigtex.jrv.org (8.12.1/8.12.1/Submit) id i15GRLtx087501; Thu, 5 Feb 2004 10:27:21 -0600 (CST) Date: Thu, 5 Feb 2004 10:27:21 -0600 (CST) Message-Id: <200402051627.i15GRLtx087501@bigtex.jrv.org> From: James Van Artsdalen To: bob@immure.com In-reply-to: <20040205134551.GB88274@luke.immure.com> (message from Bob Willcox on Thu, 5 Feb 2004 07:45:51 -0600) References: <4020B672.9080304@it.su.se> <200402041251.50129.adridg@cs.kun.nl> <200402041207.i14C7JGW008982@bigtex.jrv.org> <200402042130.i14LUBwd029592@bigtex.jrv.org> <20040205134551.GB88274@luke.immure.com> cc: jj@it.su.se cc: adridg@cs.kun.nl cc: freebsd-amd64@freebsd.org Subject: Re: shaky support or my system? 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: Thu, 05 Feb 2004 16:30:43 -0000 > Date: Thu, 5 Feb 2004 07:45:51 -0600 > From: Bob Willcox > > On Wed, Feb 04, 2004 at 03:30:11PM -0600, James Van Artsdalen wrote: > > Unfortunately it appears my case was a false alarm. > > My Tyan K8W S2885 is not stable unless ECC is turned off in ROM setup. > > Could you guys post what kind of memory (brand and part no. if possible) > you are using? I'm using 8x Crucial part #CT12872Y335 with Opteron 2x 244. There's no way to tell if this is a problem with the RAM or not. My gut suspicion is a BIOS bug, but it could well be the motherboard. There's really no evidence it's problem with the DIMMs. (the system is not reporting a memory error. It's incredibly unlikely any sort of problem in the DDIM would fail to show up at some point as an ECC error, and ECC errors are not being reported by the system. The symptom is that FreeBSD gets the wrong data back from a read and no ECC error)