From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759996AbZBXTpa (ORCPT ); Tue, 24 Feb 2009 14:45:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757922AbZBXTpW (ORCPT ); Tue, 24 Feb 2009 14:45:22 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:50440 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757888AbZBXTpV (ORCPT ); Tue, 24 Feb 2009 14:45:21 -0500 Date: Tue, 24 Feb 2009 20:44:32 +0100 From: Ingo Molnar To: Yinghai Lu Cc: Andy Isaacson , Maciej Rutecki , "Rafael J. Wysocki" , Eric Anholt , Linus Torvalds , Linux Kernel Mailing List , Jesse Barnes , "lenb@kernel.org" , mjg@redhat.com, Andrew Morton , rui.zhang@intel.com, airlied@redhat.com Subject: Re: [Linux 2.6.29-rc6] [drm:i915_set_status_page] *ERROR* can not ioremap virtual address for G33 hw status page Message-ID: <20090224194432.GB28772@elte.hu> References: <8db1092f0902230646o78a07a09t920ad65369b5a20d@mail.gmail.com> <1235419343.4816.27.camel@gaiman> <200902232230.29501.rjw@sisk.pl> <8db1092f0902231340k7c7d0fd1me49302f2efd03491@mail.gmail.com> <86802c440902231701q1e169a67oa12bd84ac0e4c7aa@mail.gmail.com> <20090224032304.GA26344@hexapodia.org> <86802c440902232150m2b22e3cfg8993193f8867dfbf@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <86802c440902232150m2b22e3cfg8993193f8867dfbf@mail.gmail.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Yinghai Lu wrote: > On Mon, Feb 23, 2009 at 7:23 PM, Andy Isaacson wrote: > > On Mon, Feb 23, 2009 at 05:01:10PM -0800, Yinghai Lu wrote: > >> CONFIG_MTRR=y > >> CONFIG_MTRR_SANITIZER=y > >> CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=1 > >> CONFIG_MTRR_SANITIZER_SPARE_REG_NR_DEFAULT=1 > >> > >> should help mtrr ones. > >> > >> please post bootlog with those option set. > > > > Doesn't help here (Dell E6400). > > > > [    0.000000] Initializing cgroup subsys cpuset > > [    0.000000] Initializing cgroup subsys cpu > > [    0.000000] Linux version 2.6.29-rc6-dirty (adi@cvp-loaner-01) (gcc version 4.3.2 (Ubuntu 4.3.2-1ubuntu12) ) #14 SMP Mon Feb 23 19:05:31 PST 2009 > > [    0.000000] Command line: root=/dev/sda1 ro > > [    0.000000] KERNEL supported cpus: > > [    0.000000]   Intel GenuineIntel > > [    0.000000]   AMD AuthenticAMD > > [    0.000000]   Centaur CentaurHauls > > [    0.000000] BIOS-provided physical RAM map: > > [    0.000000]  BIOS-e820: 0000000000000000 - 000000000009f000 (usable) > > [    0.000000]  BIOS-e820: 000000000009f000 - 00000000000a0000 (reserved) > > [    0.000000]  BIOS-e820: 0000000000100000 - 000000007d04d400 (usable) > > [    0.000000]  BIOS-e820: 000000007d04d400 - 000000007d04f400 (ACPI NVS) > > [    0.000000]  BIOS-e820: 000000007d04f400 - 0000000080000000 (reserved) > > [    0.000000]  BIOS-e820: 00000000f8000000 - 00000000fc000000 (reserved) > > [    0.000000]  BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved) > > [    0.000000]  BIOS-e820: 00000000fed18000 - 00000000fed1c000 (reserved) > > [    0.000000]  BIOS-e820: 00000000fed20000 - 00000000fed90000 (reserved) > > [    0.000000]  BIOS-e820: 00000000feda0000 - 00000000feda6000 (reserved) > > [    0.000000]  BIOS-e820: 00000000fee00000 - 00000000fee10000 (reserved) > > [    0.000000]  BIOS-e820: 00000000ffe60000 - 0000000100000000 (reserved) > > [    0.000000] DMI 2.4 present. > > [    0.000000] last_pfn = 0x7d04d max_arch_pfn = 0x100000000 > > [    0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106 > > [    0.000000] original variable MTRRs > > [    0.000000] reg 0, base: 0GB, range: 32GB, type WB > > [    0.000000] reg 1, base: 3584MB, range: 512MB, type UC > > [    0.000000] reg 2, base: 2012MB, range: 4MB, type UC > > [    0.000000] reg 3, base: 2016MB, range: 32MB, type UC > > the BIOS is so sick > according to MTRR, it said: > [0,2012M) is WB > [2048M, 3.5G) is WB too > [4G, 32G) is WB > > but according to e820: about [0,2g) is RAM... > > really not how to workaround in BIOS. I suspect the box was tested with other OSs and limped along there. Should we perhaps clear non-sensical MTRR entries? Ingo