Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752370Ab3FJPlw (ORCPT ); Mon, 10 Jun 2013 11:41:52 -0400 Received: from mail-qa0-f52.google.com ([209.85.216.52]:36017 "EHLO mail-qa0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750818Ab3FJPlu (ORCPT ); Mon, 10 Jun 2013 11:41:50 -0400 MIME-Version: 1.0 In-Reply-To: References: Date: Mon, 10 Jun 2013 17:41:47 +0200 Message-ID: Subject: Re: 3.10-rc4: mtrr_cleanup: can not find optimal value, please specify mtrr_gran_size/mtrr_chunk_size From: Matt To: Sergey Meirovich Cc: Linux Kernel , yinghai@kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 42961 Lines: 751 Hi Sergey, Hi List, Hi Yinghai Lu, the following patches http://marc.info/?l=linux-kernel&m=137080807327118&w=2 http://marc.info/?l=linux-kernel&m=137080805927115&w=2 "fixed" it for me and it works again meanwhile I also tried out 3.9.5 & 3.8.13 and I got the same "BAD" result on 3.9.5 whereas with 3.8.13 it worked fine result of 3.10-rc5 + patches: [ 0.000000] MTRR default type: uncachable [ 0.000000] MTRR fixed ranges enabled: [ 0.000000] 00000-9FFFF write-back [ 0.000000] A0000-BFFFF uncachable [ 0.000000] C0000-D3FFF write-protect [ 0.000000] D4000-DFFFF uncachable [ 0.000000] E0000-E3FFF write-protect [ 0.000000] E4000-E7FFF write-through [ 0.000000] E8000-EBFFF write-protect [ 0.000000] EC000-EFFFF write-through [ 0.000000] F0000-FFFFF write-protect [ 0.000000] MTRR variable ranges enabled: [ 0.000000] 0 base 000000000 mask E00000000 write-back [ 0.000000] 1 base 200000000 mask FC0000000 write-back [ 0.000000] 2 base 0C0000000 mask FC0000000 uncachable [ 0.000000] 3 disabled [ 0.000000] 4 disabled [ 0.000000] 5 disabled [ 0.000000] 6 disabled [ 0.000000] 7 disabled [ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106 [ 0.000000] original variable MTRRs [ 0.000000] reg 0, base: 0GB, range: 8GB, type WB [ 0.000000] reg 1, base: 8GB, range: 1GB, type WB [ 0.000000] reg 2, base: 3GB, range: 1GB, type UC [ 0.000000] total RAM covered: 8192M [ 0.000000] Found optimal setting for mtrr clean up [ 0.000000] gran_size: 64K chunk_size: 64K num_reg: 4 lose cover RAM: 0G [ 0.000000] New variable MTRRs [ 0.000000] reg 0, base: 0GB, range: 2GB, type WB [ 0.000000] reg 1, base: 2GB, range: 1GB, type WB [ 0.000000] reg 2, base: 4GB, range: 4GB, type WB [ 0.000000] reg 3, base: 8GB, range: 1GB, type WB cat /proc/mtrr reg00: base=0x000000000 ( 0MB), size= 2048MB, count=1: write-back reg01: base=0x080000000 ( 2048MB), size= 1024MB, count=1: write-back reg02: base=0x100000000 ( 4096MB), size= 4096MB, count=1: write-back reg03: base=0x200000000 ( 8192MB), size= 1024MB, count=1: write-back reg04: base=0x0d0000000 ( 3328MB), size= 256MB, count=1: write-combining which is the same like on 3.8.13 Thanks ! Matt On Mon, Jun 10, 2013 at 12:01 PM, Sergey Meirovich wrote: > 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/