Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760738AbYHUP20 (ORCPT ); Thu, 21 Aug 2008 11:28:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757285AbYHUP1w (ORCPT ); Thu, 21 Aug 2008 11:27:52 -0400 Received: from rv-out-0506.google.com ([209.85.198.238]:4659 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754259AbYHUP1v (ORCPT ); Thu, 21 Aug 2008 11:27:51 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=paea6qVlacLvD7y1h1EyFXHcWGAeg0Z68Nu1/Z2kgYk2kpwO+TA5r58nBwPmnTA8p/ XY3V48IKhALYALwYcDyHD6cdOtomlqlHU3YSCvRlRol4GUwHkCOgcleYStfzEp96i47Y E6nSWVrK5vgAbWldwTTZCmZNq5qReVwVm2src= Message-ID: <86802c440808210827y72bb1ec0ndcb97b00d6af3a9c@mail.gmail.com> Date: Thu, 21 Aug 2008 08:27:49 -0700 From: "Yinghai Lu" To: "Alexander Huemer" Subject: Re: 2.6.27 mtrr fixes do not work Cc: "Pallipadi, Venkatesh" , "Rafael J. Wysocki" , "linux-kernel@vger.kernel.org" , "Andi Kleen" In-Reply-To: <48AD8125.7050104@sbg.ac.at> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline 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> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2614 Lines: 101 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 -- 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/