Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764271AbXFAUTe (ORCPT ); Fri, 1 Jun 2007 16:19:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762537AbXFAUT2 (ORCPT ); Fri, 1 Jun 2007 16:19:28 -0400 Received: from lucidpixels.com ([75.144.35.66]:56361 "EHLO lucidpixels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762382AbXFAUT1 (ORCPT ); Fri, 1 Jun 2007 16:19:27 -0400 Date: Fri, 1 Jun 2007 16:19:26 -0400 (EDT) From: Justin Piszcz X-X-Sender: jpiszcz@p34.internal.lan To: Andi Kleen cc: Jesse Barnes , linux-kernel@vger.kernel.org Subject: Re: Intel's response Linux/MTRR/8GB Memory Support / Why doesn't the kernel realize the BIOS has problems and re-map appropriately? In-Reply-To: Message-ID: References: <200706011210.15808.jbarnes@virtuousgeek.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 964 Lines: 32 On Fri, 1 Jun 2007, Andi Kleen wrote: > Jesse Barnes writes: > >> (or we get proper PAT support, which I think would make this problem >> go away as well). > > No it won't. If the basic MTRRs for memory are wrong just having PAT support > in drivers (which already exist in a limited form already, just for > UC only) won't change anything. > > -Andi > Basically from what I read: 1. The MCH/ICH8 hub 'requires' a minimum of 512MB to run, the board manual states it needs at least 512MB of memort. 2. The DVT/IGP graphics uses either 128MB or 256MB, I have it set to 128MB. How can the Linux kernel find this out/poll this information so users do not have to know mem=XXXXM? Justin. - 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/