From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753814AbXCSMJ2 (ORCPT ); Mon, 19 Mar 2007 08:09:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753798AbXCSMJ2 (ORCPT ); Mon, 19 Mar 2007 08:09:28 -0400 Received: from srv5.dvmed.net ([207.36.208.214]:51696 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753814AbXCSMJ1 (ORCPT ); Mon, 19 Mar 2007 08:09:27 -0400 Message-ID: <45FE7D74.6090503@garzik.org> Date: Mon, 19 Mar 2007 08:09:24 -0400 From: Jeff Garzik User-Agent: Thunderbird 1.5.0.10 (X11/20070302) MIME-Version: 1.0 To: Christian CC: linux-kernel@vger.kernel.org Subject: Re: [BUG 2.6.21-rc3-git9] SATA NCQ failure with Samsum HD401LJ References: <200703182131.00476.christiand59@web.de> <45FDF9EE.20303@gmail.com> <200703190808.00746.christiand59@web.de> In-Reply-To: <200703190808.00746.christiand59@web.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.3 (----) X-Spam-Report: SpamAssassin version 3.1.8 on srv5.dvmed.net summary: Content analysis details: (-4.3 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Christian wrote: > On Monday 19 March 2007 03:48:14 you wrote: >> Christian wrote: >>> On Sunday 18 March 2007 06:43:09 you wrote: >>>> Christian wrote: >>>>>> This does indeed look like a drive side issue to me (the controller is >>>>>> reporting CPBs with response flags 2 which as far as I can tell >>>>>> indicates it's still waiting for the drive to complete the request). >>>>> I have been using this hw-config (SATA II, NCQ) since the nvidia ADMA >>>>> support made it in the -mm kernel (maybe around 2.6.19-mm? or even >>>>> earlyer). I'm seeing this problem excessively since I upgraded to >>>>> 2.6.21-rc3-mm1. I think something got broken recently... >>>> Can you post the result of "hdparm -I /dev/sdX"? >>> Output generated on 2.6.21-rc3-mm1 #3 SMP PREEMPT >>> >>> user@ubuntu:~$ sudo hdparm -I /dev/sda >>> >>> /dev/sda: >>> >>> ATA device, with non-removable media >>> Model Number: SAMSUNG HD401LJ >>> Serial Number: S0HVJ1FL900207 >>> Firmware Revision: ZZ100-15 >>> Standards: >>> Used: ATA/ATAPI-7 T13 1532D revision 4a >>> Supported: 7 6 5 4 >>> Configuration: >>> Logical max current >>> cylinders 16383 16383 >>> heads 16 16 >>> sectors/track 63 63 >>> -- >>> CHS current addressable sectors: 16514064 >>> LBA user addressable sectors: 268435455 >>> LBA48 user addressable sectors: 781422768 >>> device size with M = 1024*1024: 381554 MBytes >>> device size with M = 1000*1000: 400088 MBytes (400 GB) >> That's a fairly recent drive. Does the problem go away if you downgrade >> the kernel? > > Yes, for me the problem was introduced recently. I have moved around terabytes > (sic!) on my discs with older kernels and I never got errors. I may have missed the answer to this before, but: does the problem go away if you disable preempt? Jeff