From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261559AbVFHTXp (ORCPT ); Wed, 8 Jun 2005 15:23:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261556AbVFHTXp (ORCPT ); Wed, 8 Jun 2005 15:23:45 -0400 Received: from mx1.redhat.com ([66.187.233.31]:24779 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S261562AbVFHTXh (ORCPT ); Wed, 8 Jun 2005 15:23:37 -0400 Date: Wed, 8 Jun 2005 15:23:35 -0400 From: Dave Jones To: Nick Warne Cc: linux-kernel@vger.kernel.org Subject: Re: mtrr question Message-ID: <20050608192335.GG876@redhat.com> Mail-Followup-To: Dave Jones , Nick Warne , linux-kernel@vger.kernel.org References: <200506081917.09873.nick@linicks.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200506081917.09873.nick@linicks.net> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 08, 2005 at 07:17:09PM +0100, Nick Warne wrote: > Hello everybody, > > Dumb question here. > > I have an Athlon-thunderbird (1.2Ghz) on kernel 2.4.31 with mttr configured > and a nVidia Geforce4. /proc/mtrr is empty. That's odd. you should at least have write-back entries for your system memory. (Usually set up by the system BIOS) > Does/is setting up mtrr per the old 1999 Docs/mtrr.txt still relevant > nowadays? I can't seem to find a definitive answer using Google. Yes, though the X driver should set them up itself on startup. Dave