Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753341AbYAPTgv (ORCPT ); Wed, 16 Jan 2008 14:36:51 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751400AbYAPTgn (ORCPT ); Wed, 16 Jan 2008 14:36:43 -0500 Received: from mga03.intel.com ([143.182.124.21]:22720 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751353AbYAPTgm convert rfc822-to-8bit (ORCPT ); Wed, 16 Jan 2008 14:36:42 -0500 X-ExtLoop1: 1 X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT Subject: RE: [patch 0/4] x86: PAT followup - Incremental changes and bug fixes Date: Wed, 16 Jan 2008 11:37:33 -0800 Message-ID: <924EFEDD5F540B4284297C4DC59F3DEE5E8B8D@orsmsx423.amr.corp.intel.com> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [patch 0/4] x86: PAT followup - Incremental changes and bug fixes Thread-Index: AchYceSIwTg7bnr3RZSOJxF4Nw9L5gAAMd+gAAEevmA= References: <20080116023955.597433000@intel.com> <20080116185748.GA11244@alberich.amd.com> From: "Pallipadi, Venkatesh" To: "Andreas Herrmann" Cc: , , , , , , , , , , , , "Barnes, Jesse" , , X-OriginalArrivalTime: 16 Jan 2008 19:36:37.0095 (UTC) FILETIME=[1BCECF70:01C85877] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4012 Lines: 116 Sorry. Never mind about e820 map. Somehow I did not notice the boot.log you had attached earlier. Thanks, Venki >-----Original Message----- >From: Pallipadi, Venkatesh >Sent: Wednesday, January 16, 2008 11:06 AM >To: 'Andreas Herrmann' >Cc: ak@muc.de; ebiederm@xmission.com; rdreier@cisco.com; >torvalds@linux-foundation.org; gregkh@suse.de; >airlied@skynet.ie; davej@redhat.com; mingo@elte.hu; >tglx@linutronix.de; hpa@zytor.com; akpm@linux-foundation.org; >arjan@infradead.org; Barnes, Jesse; davem@davemloft.net; >linux-kernel@vger.kernel.org >Subject: RE: [patch 0/4] x86: PAT followup - Incremental >changes and bug fixes > > >Can you attach the e820 map from the top of your dmesg. > >Thanks, >Venki > >>-----Original Message----- >>From: Andreas Herrmann [mailto:andreas.herrmann3@amd.com] >>Sent: Wednesday, January 16, 2008 10:58 AM >>To: Pallipadi, Venkatesh >>Cc: ak@muc.de; ebiederm@xmission.com; rdreier@cisco.com; >>torvalds@linux-foundation.org; gregkh@suse.de; >>airlied@skynet.ie; davej@redhat.com; mingo@elte.hu; >>tglx@linutronix.de; hpa@zytor.com; akpm@linux-foundation.org; >>arjan@infradead.org; Barnes, Jesse; davem@davemloft.net; >>linux-kernel@vger.kernel.org >>Subject: Re: [patch 0/4] x86: PAT followup - Incremental >>changes and bug fixes >> >>Hi, >> >>I just want to report that the PAT support in x86/mm causes crashes >>on two of my test machines. On both boxes the SATA detection does >>not work when the PAT support is patched into the kernel. >> >>Symptoms are as follows -- best described by a diff between the >>two boot.logs: >> >># diff boot-failing.log boot-working.log >> >>-Linux version 2.6.24-rc8-ga9f7faa5 (root@hunter) (gcc version ... >>+Linux version 2.6.24-rc8-g2ea3cf43 (root@hunter) (gcc version ... >>... >> early_iounmap(ffffffff82a0b000, 00001000) >>-early_ioremap(000000000000c000, 00001000) => -000002103394304 >>-early_iounmap(ffffffff82a0c000, 00001000) >> early_iounmap(ffffffff82808000, 00001000) >>... >>-ACPI: PCI interrupt for device 0000:00:12.0 disabled >>-sata_sil: probe of 0000:00:12.0 failed with error -12 >>+scsi0 : sata_sil >>+scsi1 : sata_sil >>+ata1: SATA max UDMA/100 mmio m512@0xc0403000 tf 0xc0403080 irq 22 >>... >>-AC'97 space ioremap problem >>-ACPI: PCI interrupt for device 0000:00:14.5 disabled >>-ATI IXP AC97 controller: probe of 0000:00:14.5 failed with error -5 >> ALSA device list: >>- No soundcards found. >>+ #0: ATI IXP rev 80 with ALC655 at 0xc0403800, irq 17 >>... >>-VFS: Cannot open root device "sda1" or unknown-block(0,0) >>-Please append a correct "root=" boot option; here are the >>available partitions: >>-1600 4194302 hdc driver: ide-cdrom >>-Kernel panic - not syncing: VFS: Unable to mount root fs on >>unknown-block(0,0) >>+kjournald starting. Commit interval 5 seconds >>+EXT3-fs: mounted filesystem with ordered data mode. >>+VFS: Mounted root (ext3 filesystem) readonly. >>... >> >> >> >>The second test machine uses ahci. But the symptoms are similar. >> >>I performed a git-bisect on x86/mm. Last commit that worked for me was >> >>2ea3cf43fddecbfd66353caafdf73ec21ea3760b (x86: fix >>early_ioremap() ISA window) >> >>The subsequent commits for PAT support introduced the problem. >>I noticed that PAT should be disabled by default, but >>obviously the patches >>still have some side-effect. (Maybe ioremap changes lead to >>the problem?) >> >>Boot-logs are attached: >> >> boot-failing.log for x86/mm as of v2.6.24-rc8-672-ga9f7faa >> boot-working.log for x86/mm as of v2.6.24-rc8-621-g2ea3cf4 >> >>Hopefully it helps to track down the problem. >>Maybe someone has an idea why the PAT patches are causing that >>ominous "PCI interrupt for device ... disabled" messages. >> >> >>Thanks and regards, >> >>Andreas >> -- 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/