Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754056AbXKJNlg (ORCPT ); Sat, 10 Nov 2007 08:41:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753235AbXKJNlZ (ORCPT ); Sat, 10 Nov 2007 08:41:25 -0500 Received: from mail.acc.umu.se ([130.239.18.156]:58646 "EHLO mail.acc.umu.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753057AbXKJNlX (ORCPT ); Sat, 10 Nov 2007 08:41:23 -0500 Date: Sat, 10 Nov 2007 14:41:13 +0100 (CET) From: =?ISO-8859-1?Q?Bo_Brant=E9n?= To: linux-kernel@vger.kernel.org Subject: Re: x86_64 ten times slower than i386 In-Reply-To: Message-ID: References: <20071103162640.GS17536@waste.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 736 Lines: 16 On Mon, 5 Nov 2007, Bo Brant?n wrote: > > After I uppgraded the BIOS the mtrr looks like below, and now it works if I > boot with mem=4736M so I can use all memory but it still doesn't work without > the mem parameter then it will run as slow as before. I noticed that after I uppgraded the BIOS it works automtically without the mem parameter with kernel 2.6.22-14 while with kernel 2.6.19 the mem parameter is still needed so some fix has been added that takes care of this problem. - 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/