From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751375Ab1FDEZQ (ORCPT ); Sat, 4 Jun 2011 00:25:16 -0400 Received: from mx12.lb01.inode.at ([62.99.145.14]:40794 "EHLO mx.inode.at" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750880Ab1FDEZO (ORCPT ); Sat, 4 Jun 2011 00:25:14 -0400 X-Greylist: delayed 84073 seconds by postgrey-1.27 at vger.kernel.org; Sat, 04 Jun 2011 00:25:14 EDT Message-ID: <4DE9B3A6.9090801@reinelt.co.at> Date: Sat, 04 Jun 2011 06:25:10 +0200 From: Michael Reinelt User-Agent: Mozilla/5.0 (X11; U; Linux i686; de-AT; rv:1.8.0.7) Gecko/20061013 Thunderbird/1.5.0.7 Mnenhy/0.7.4.666 MIME-Version: 1.0 To: Yinghai Lu CC: lkml Subject: Re: mtrr_cleanup: can not find optimal value References: <4DE86B3D.1080806@reinelt.co.at> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Yinghai, Am 2011-06-03 07:26, schrieb Yinghai Lu: ... >> So I'm asking for some advice how to manually tune the MTRR's. > ... >> gran_size: 8M chunk_size: 32M num_reg: 7 lose cover RAM: 7M > ... > you can append "mtrr_gran_size=8M mtrr_chunk_size=32M" in boot command line. Works fine, thank you! Any hint *why* you choose this line? regards, Michael -- Michael Reinelt http://home.pages.at/reinelt GPG-Key 0xDF13BA50 ICQ #288386781