Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759441AbYHUSok (ORCPT ); Thu, 21 Aug 2008 14:44:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752726AbYHUSoc (ORCPT ); Thu, 21 Aug 2008 14:44:32 -0400 Received: from mx06.lb01.inode.at ([62.99.145.6]:15942 "EHLO mx.inode.at" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752689AbYHUSob (ORCPT ); Thu, 21 Aug 2008 14:44:31 -0400 Message-ID: <48ADB77F.9060301@sbg.ac.at> Date: Thu, 21 Aug 2008 20:44:15 +0200 From: Alexander Huemer User-Agent: Thunderbird 2.0.0.16 (X11/20080729) MIME-Version: 1.0 To: Yinghai Lu CC: "Pallipadi, Venkatesh" , "Rafael J. Wysocki" , "linux-kernel@vger.kernel.org" , Andi Kleen Subject: Re: 2.6.27 mtrr fixes do not work References: <4899AF8E.20105@sbg.ac.at> <86802c440808071326m21cff146s3fb5e6118a58a2ca@mail.gmail.com> <489B73B7.4090705@sbg.ac.at> <86802c440808071616o23dde07atd694b45375f9d6ac@mail.gmail.com> <86802c440808071617i1344e595wb9cc7c2bf75a5b3f@mail.gmail.com> <489B85A3.7030500@sbg.ac.at> <86802c440808071658yd120d04y370859dcf5a7b759@mail.gmail.com> <48A43CB5.8010709@sbg.ac.at> <86802c440808141031p2712976cqe2c34d3b986ad810@mail.gmail.com> <48AD8125.7050104@sbg.ac.at> <86802c440808210827y72bb1ec0ndcb97b00d6af3a9c@mail.gmail.com> In-Reply-To: <86802c440808210827y72bb1ec0ndcb97b00d6af3a9c@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3052 Lines: 116 Yinghai Lu wrote: > On Thu, Aug 21, 2008 at 7:52 AM, Alexander Huemer > wrote: > >> Yinghai Lu wrote: >> >>> On Thu, Aug 14, 2008 at 7:09 AM, Alexander Huemer >>> wrote: >>> >>> >>>> Yinghai Lu wrote: >>>> >>>> >>>>> On Thu, Aug 7, 2008 at 4:30 PM, Alexander Huemer >>>>> wrote: >>>>> >>>>> >>>>> >>>>>> Yinghai Lu wrote: >>>>>> >>>>>> >>>>>> >>>>> >>>>>>>> can you put "debug" in command line too? >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> without mtrr_chunk_size etc in command line...please >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>> http://xx.vu/~ahuemer/dmesg_3.txt >>>>>> >>>>>> >>>>>> >>>>>> >>>>> do you have >>>>> CONFIG_MTRR=y >>>>> CONFIG_MTRR_SANITIZER=y >>>>> CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=1 >>>>> CONFIG_MTRR_SANITIZER_SPARE_REG_NR_DEFAULT=1 >>>>> >>>>> in your .config? >>>>> >>>>> YH >>>>> >>>>> >>>>> >>>> 2.6.27_rc3 does not solve the problem either. >>>> what can i do to help? >>>> >>>> >>> please send out you config >>> >>> YH >>> >>> >> yinghai, >> >> i just tried out 2.6.27-rc4, unfortunately without success. >> >> here are my settings again, >> if you need more info, just tell me. >> >> as you can see, the mtrr size values are complete nonsense. >> the framebuffer should be at d8000000. >> i am unsure if this is the fault of the kernel or the bios. >> or should the MTRR_SANITIZER resolv all broken bios issues? >> >> # uname -a >> Linux seaburg 2.6.27-rc4-blackbit #1 SMP Thu Aug 21 15:53:38 CEST >> 2008 x86_64 Intel(R) Xeon(R) CPU E5420 @ 2.50GHz GenuineIntel GNU/Linux >> # grep -E "(^\(WW\)|^\(EE\)|^\(NI\)|^\(??\))" /var/log/Xorg.0.log >> (WW) VESA(0): Failed to set up write-combining range >> (0xd8000000,0x2000000) >> # dmesg|grep mtrr Command >> line: root=/dev/sda1 >> video=uvesafb:1280x1024-24@97,mtrr:3,ywrap mtrr_chunk_size=512m >> Kernel command line: root=/dev/sda1 >> video=uvesafb:1280x1024-24@97,mtrr:3,ywrap mtrr_chunk_size=512m >> > > please boot without mtrr_chunk_size=512m > and put debug in your command line > > > >> # cat /proc/mtrr >> reg00: base=0x00000000 ( 0MB), size=198656MB: write-back, count=1 >> reg01: base=0x80000000 (2048MB), size=197632MB: write-back, count=1 >> reg02: base=0x100000000 (4096MB), size=197632MB: write-back, count=1 >> > > another case of crazy size in /proc/mtrr > > it is E5420, maybe mtrr code has problem to handle that cpu? > > YH > yinghai, i booted as you suggested. i cannot see any difference. here is the dmesg output: http://xx.vu/~ahuemer/dmesg_4.txt what else can i do? -- thanks alex -- 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/