From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753698AbYKRQfV (ORCPT ); Tue, 18 Nov 2008 11:35:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751201AbYKRQfI (ORCPT ); Tue, 18 Nov 2008 11:35:08 -0500 Received: from main.gmane.org ([80.91.229.2]:58063 "EHLO ciao.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751076AbYKRQfG (ORCPT ); Tue, 18 Nov 2008 11:35:06 -0500 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Robert Hancock Subject: Re: another DMAR error, this time on cdrom Date: Tue, 18 Nov 2008 10:34:17 -0600 Message-ID: <4922EE89.9060900@shaw.ca> References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: s0106000c41bb86e1.ss.shawcable.net User-Agent: Thunderbird 2.0.0.17 (Windows/20080914) In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Andrey Vul wrote: > The ICH9 on my laptop is starting to feel very flaky ... I hope it's > only the driver. > See previous jfs post for kernel config. > > dmesg for cdrom error: > [ 3936.102010] DMAR:[DMA Read] Request device [08:00.0] fault addr fffc2000 > [ 3936.102014] DMAR:[fault reason 06] PTE Read access is not set This looks like your Ethernet controller, actually.. > [17954.788992] cp used greatest stack depth: 3888 bytes left > [18350.879117] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen > [18350.879135] ata2.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0 > [18350.879138] cdb 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > [18350.879141] res 40/00:03:00:fe:00/00:00:00:00:00/a0 Emask > 0x4 (timeout) > [18350.879148] ata2.00: status: { DRDY } Likely it messing with the SATA controller again.. though possibly unrelated. > [18350.879162] ata2: hard resetting link > [18356.233076] ata2: link is slow to respond, please be patient (ready=0) > [18360.925084] ata2: COMRESET failed (errno=-16) > [18360.925095] ata2: hard resetting link > [18366.231088] ata2: link is slow to respond, please be patient (ready=0) > [18370.974076] ata2: COMRESET failed (errno=-16) > [18370.974086] ata2: hard resetting link > [18376.330089] ata2: link is slow to respond, please be patient (ready=0) > [18406.016320] ata2: COMRESET failed (errno=-16) > [18406.016332] ata2: limiting SATA link speed to 1.5 Gbps > [18406.016338] ata2: hard resetting link > [18411.064079] ata2: COMRESET failed (errno=-16) > [18411.064089] ata2: reset failed, giving up > [18411.064095] ata2.00: disabled > [18411.064117] ata2: EH complete > [18411.064239] sr 1:0:0:0: [sr0] Result: hostbyte=DID_BAD_TARGET > driverbyte=DRIVER_OK,SUGGEST_OK > [18411.064250] end_request: I/O error, dev sr0, sector 717108 > [18411.064269] Buffer I/O error on device sr0, logical block 179277 > [18411.064309] Buffer I/O error on device sr0, logical block 179239 > [18411.064316] Buffer I/O error on device sr0, logical block 179240 > [18411.064324] Buffer I/O error on device sr0, logical block 179241 > [18411.064330] Buffer I/O error on device sr0, logical block 179242 > [18411.064337] Buffer I/O error on device sr0, logical block 179243 > [18411.064343] Buffer I/O error on device sr0, logical block 179244 > [18411.064350] Buffer I/O error on device sr0, logical block 179245 > [18411.064356] Buffer I/O error on device sr0, logical block 179246 > [18411.064362] Buffer I/O error on device sr0, logical block 179247 > [18411.064426] sr 1:0:0:0: [sr0] Result: hostbyte=DID_BAD_TARGET > driverbyte=DRIVER_OK,SUGGEST_OK > [18411.064434] end_request: I/O error, dev sr0, sector 716700 > [18411.159667] VFS: busy inodes on changed media. > [18411.159859] VFS: busy inodes on changed media. > [18411.160408] VFS: busy inodes on changed media. > [18411.160933] VFS: busy inodes on changed media. > [18411.160997] VFS: busy inodes on changed media. > [18411.531810] VFS: busy inodes on changed media. > [18411.531886] VFS: busy inodes on changed media. > [18411.531939] VFS: busy inodes on changed media. > [18411.532771] VFS: busy inodes on changed media. > [18411.532832] VFS: busy inodes on changed media. > [18411.532897] VFS: busy inodes on changed media. > [18413.873727] VFS: busy inodes on changed media. > [18413.873895] VFS: busy inodes on changed media. > [18415.873217] VFS: busy inodes on changed media. > [18415.873380] VFS: busy inodes on changed media. > [18417.873157] VFS: busy inodes on changed media. > [18417.873306] VFS: busy inodes on changed media. > [18419.873202] VFS: busy inodes on changed media. > [18419.873344] VFS: busy inodes on changed media. > [18421.873198] VFS: busy inodes on changed media. > [18421.873364] VFS: busy inodes on changed media. > [18423.873132] VFS: busy inodes on changed media. > ... > > I have a very strong feeling that this error and the previous jfs one > are strongly related :\ Can you try booting with intel_iommu=off on the command line and see if these errors go away?