Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752727Ab3FJKBo (ORCPT ); Mon, 10 Jun 2013 06:01:44 -0400 Received: from mail-lb0-f173.google.com ([209.85.217.173]:57280 "EHLO mail-lb0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751768Ab3FJKBm (ORCPT ); Mon, 10 Jun 2013 06:01:42 -0400 MIME-Version: 1.0 In-Reply-To: References: From: Sergey Meirovich Date: Mon, 10 Jun 2013 13:01:20 +0300 Message-ID: Subject: Re: 3.10-rc4: mtrr_cleanup: can not find optimal value, please specify mtrr_gran_size/mtrr_chunk_size To: Matt Cc: Linux Kernel Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 39878 Lines: 683 Hi, On 5 June 2013 02:08, Matt wrote: > Hi everyone, > > > I noticed today the following error messages in /var/log/kern.log : > > > Jun 5 00:26:48 localhost kernel: [ 0.000000] MTRR default type: uncachable > Jun 5 00:26:48 localhost kernel: [ 0.000000] MTRR fixed ranges enabled: > Jun 5 00:26:48 localhost kernel: [ 0.000000] 00000-9FFFF write-back > Jun 5 00:26:48 localhost kernel: [ 0.000000] A0000-BFFFF uncachable > Jun 5 00:26:48 localhost kernel: [ 0.000000] C0000-D3FFF write-protect > Jun 5 00:26:48 localhost kernel: [ 0.000000] D4000-DFFFF uncachable > Jun 5 00:26:48 localhost kernel: [ 0.000000] E0000-E3FFF write-protect > Jun 5 00:26:48 localhost kernel: [ 0.000000] E4000-E7FFF write-through > Jun 5 00:26:48 localhost kernel: [ 0.000000] E8000-EBFFF write-protect > Jun 5 00:26:48 localhost kernel: [ 0.000000] EC000-EFFFF write-through > Jun 5 00:26:48 localhost kernel: [ 0.000000] F0000-FFFFF write-protect > Jun 5 00:26:48 localhost kernel: [ 0.000000] MTRR variable ranges enabled: > Jun 5 00:26:48 localhost kernel: [ 0.000000] 0 base 000000000 > mask E00000000 write-back > Jun 5 00:26:48 localhost kernel: [ 0.000000] 1 base 200000000 > mask FC0000000 write-back > Jun 5 00:26:48 localhost kernel: [ 0.000000] 2 base 0C0000000 > mask FC0000000 uncachable > Jun 5 00:26:48 localhost kernel: [ 0.000000] 3 disabled > Jun 5 00:26:48 localhost kernel: [ 0.000000] 4 disabled > Jun 5 00:26:48 localhost kernel: [ 0.000000] 5 disabled > Jun 5 00:26:48 localhost kernel: [ 0.000000] 6 disabled > Jun 5 00:26:48 localhost kernel: [ 0.000000] 7 disabled > Jun 5 00:26:48 localhost kernel: [ 0.000000] x86 PAT enabled: cpu > 0, old 0x7040600070406, new 0x7010600070106 > Jun 5 00:26:48 localhost kernel: [ 0.000000] original variable MTRRs > Jun 5 00:26:48 localhost kernel: [ 0.000000] reg 0, base: 0GB, > range: 8GB, type WB > Jun 5 00:26:48 localhost kernel: [ 0.000000] reg 1, base: 8GB, > range: 1GB, type WB > Jun 5 00:26:48 localhost kernel: [ 0.000000] reg 2, base: 3GB, > range: 1GB, type UC > Jun 5 00:26:48 localhost kernel: [ 0.000000] total RAM covered: 8192M > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 64K num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 128K num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 256K num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 512K num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 1M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 2M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 4M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 8M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 16M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 128K num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 256K num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 512K num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 1M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 2M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 4M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 8M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 16M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 256K num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 512K num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 1M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 2M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 4M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 8M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 16M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 512K num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 1M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 2M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 4M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 8M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 16M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 1M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 2M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 4M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 8M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 16M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 2M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 4M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 8M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 16M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 4M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 8M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 16M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 8M > chunk_size: 8M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 8M > chunk_size: 16M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 8M > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 8M > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 8M > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 8M > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 8M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 8M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 8M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 16M > chunk_size: 16M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 16M > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 16M > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 16M > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 16M > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 16M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 16M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 16M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 32M > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 32M > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 32M > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 32M > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 32M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 32M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 32M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64M > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64M > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64M > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128M > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128M > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256M > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1G > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1G > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:26:48 localhost kernel: [ 0.000000] gran_size: 2G > chunk_size: 2G num_reg: 2 lose cover RAM: 2G > Jun 5 00:26:48 localhost kernel: [ 0.000000] mtrr_cleanup: can not > find optimal value > Jun 5 00:26:48 localhost kernel: [ 0.000000] please specify > mtrr_gran_size/mtrr_chunk_size > > > > when trying to append some commands, e.g.: > > enable_mtrr_cleanup mtrr_spare_reg_nr=1 mtrr_gran_size=32M mtrr_chunk_size=128M > > or > > enable_mtrr_cleanup mtrr_spare_reg_nr=0 > > it doesn't make any change > > > this would yield the following result: > > > Jun 5 00:20:47 localhost kernel: [ 0.000000] MTRR default type: uncachable > Jun 5 00:20:47 localhost kernel: [ 0.000000] MTRR fixed ranges enabled: > Jun 5 00:20:47 localhost kernel: [ 0.000000] 00000-9FFFF write-back > Jun 5 00:20:47 localhost kernel: [ 0.000000] A0000-BFFFF uncachable > Jun 5 00:20:47 localhost kernel: [ 0.000000] C0000-D3FFF write-protect > Jun 5 00:20:47 localhost kernel: [ 0.000000] D4000-DFFFF uncachable > Jun 5 00:20:47 localhost kernel: [ 0.000000] E0000-E3FFF write-protect > Jun 5 00:20:47 localhost kernel: [ 0.000000] E4000-E7FFF write-through > Jun 5 00:20:47 localhost kernel: [ 0.000000] E8000-EBFFF write-protect > Jun 5 00:20:47 localhost kernel: [ 0.000000] EC000-EFFFF write-through > Jun 5 00:20:47 localhost kernel: [ 0.000000] F0000-FFFFF write-protect > Jun 5 00:20:47 localhost kernel: [ 0.000000] MTRR variable ranges enabled: > Jun 5 00:20:47 localhost kernel: [ 0.000000] 0 base 000000000 > mask E00000000 write-back > Jun 5 00:20:47 localhost kernel: [ 0.000000] 1 base 200000000 > mask FC0000000 write-back > Jun 5 00:20:47 localhost kernel: [ 0.000000] 2 base 0C0000000 > mask FC0000000 uncachable > Jun 5 00:20:47 localhost kernel: [ 0.000000] 3 disabled > Jun 5 00:20:47 localhost kernel: [ 0.000000] 4 disabled > Jun 5 00:20:47 localhost kernel: [ 0.000000] 5 disabled > Jun 5 00:20:47 localhost kernel: [ 0.000000] 6 disabled > Jun 5 00:20:47 localhost kernel: [ 0.000000] 7 disabled > Jun 5 00:20:47 localhost kernel: [ 0.000000] x86 PAT enabled: cpu > 0, old 0x7040600070406, new 0x7010600070106 > Jun 5 00:20:47 localhost kernel: [ 0.000000] original variable MTRRs > Jun 5 00:20:47 localhost kernel: [ 0.000000] reg 0, base: 0GB, > range: 8GB, type WB > Jun 5 00:20:47 localhost kernel: [ 0.000000] reg 1, base: 8GB, > range: 1GB, type WB > Jun 5 00:20:47 localhost kernel: [ 0.000000] reg 2, base: 3GB, > range: 1GB, type UC > Jun 5 00:20:47 localhost kernel: [ 0.000000] total RAM covered: 8192M > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 32M > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] invalid > mtrr_gran_size or mtrr_chunk_size, will find optimal one > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 64K num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 128K num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 256K num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 512K num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 1M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 2M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 4M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 8M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 16M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 128K num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 256K num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 512K num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 1M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 2M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 4M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 8M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 16M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 256K num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 512K num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 1M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 2M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 4M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 8M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 16M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 512K num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 1M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 2M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 4M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 8M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 16M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 1M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 2M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 4M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 8M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 16M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 2M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 4M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 8M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 16M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 4M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 8M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 16M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 8M > chunk_size: 8M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 8M > chunk_size: 16M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 8M > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 8M > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 8M > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 8M > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 8M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 8M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 8M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 16M > chunk_size: 16M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 16M > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 16M > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 16M > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 16M > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 16M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 16M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 16M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 32M > chunk_size: 32M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 32M > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 32M > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 32M > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 32M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 32M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 32M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64M > chunk_size: 64M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64M > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64M > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128M > chunk_size: 128M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128M > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256M > chunk_size: 256M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512M > chunk_size: 512M num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512M > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512M > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1G > chunk_size: 1G num_reg: 4 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1G > chunk_size: 2G num_reg: 5 lose cover RAM: -0G > Jun 5 00:20:47 localhost kernel: [ 0.000000] gran_size: 2G > chunk_size: 2G num_reg: 2 lose cover RAM: 2G > Jun 5 00:20:47 localhost kernel: [ 0.000000] mtrr_cleanup: can not > find optimal value > Jun 5 00:20:47 localhost kernel: [ 0.000000] please specify > mtrr_gran_size/mtrr_chunk_size > > > > > > Is this some kind of kernel BUG due to the negative value (- 0G) ? > > MTRR seems to be a topic that is not widely discussed or thoroughly > understood when using google to find answers. > > cat /proc/mtrr > reg00: base=0x000000000 ( 0MB), size= 8192MB, count=1: write-back > reg01: base=0x200000000 ( 8192MB), size= 1024MB, count=1: write-back > reg02: base=0x0c0000000 ( 3072MB), size= 1024MB, count=1: uncachable > I also seems to suffer from the same issue on 3.9.5: in my situation it looks even weirder: rathamahata@piledriver ~ $ cat /proc/mtrr reg00: base=0x000000000 ( 0MB), size= 2048MB, count=1: write-back reg01: base=0x080000000 ( 2048MB), size= 256MB, count=1: write-back reg02: base=0x08f800000 ( 2296MB), size= 8MB, count=1: uncachable reg03: base=0x0b0000000 ( 2816MB), size= 256MB, count=1: write-combining reg04: base=0x0c0000000 ( 3072MB), size= 256MB, count=1: write-combining rathamahata@piledriver ~ $ free -m total used free shared buffers cached Mem: 7370 745 6624 0 34 241 -/+ buffers/cache: 470 6900 Swap: 3659 0 3659 rathamahata@piledriver ~ $ -- 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/