Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762955AbXFGQTN (ORCPT ); Thu, 7 Jun 2007 12:19:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757327AbXFGQS7 (ORCPT ); Thu, 7 Jun 2007 12:18:59 -0400 Received: from terminus.zytor.com ([192.83.249.54]:60355 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753623AbXFGQS6 (ORCPT ); Thu, 7 Jun 2007 12:18:58 -0400 Message-ID: <46682FED.2080506@zytor.com> Date: Thu, 07 Jun 2007 09:18:53 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.0 (X11/20070419) MIME-Version: 1.0 To: Andrew Lyon CC: linux-kernel@vger.kernel.org Subject: Re: [RFC][PATCH] Re: 4Gb ram not showing up References: <20070606143723.GF10008@csclub.uwaterloo.ca> <46673135.30105@zytor.com> In-Reply-To: X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 754 Lines: 22 Andrew Lyon wrote: > > Could this also cause a system to be unstable? my abit athlon64 at > work will not run x64 with more than 1gb ram, and i have a colo server > with supermicro & 2 x dual core xeons that will not run with more than > 2gb. > > Both systems have long uptimes but if i add ram they crash within > minutes of booting. > That's much more likely to be caused by bad memory bus layout so that it doesn't handle the higher loading. Run memtest86+ on the expanded memory for some time. -hpa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/