From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750790Ab1J0EDI (ORCPT ); Thu, 27 Oct 2011 00:03:08 -0400 Received: from mail-yw0-f46.google.com ([209.85.213.46]:52573 "EHLO mail-yw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750732Ab1J0EDH (ORCPT ); Thu, 27 Oct 2011 00:03:07 -0400 Message-ID: <4EA8D7F7.3030302@gmail.com> Date: Wed, 26 Oct 2011 22:03:03 -0600 From: Robert Hancock User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20110930 Thunderbird/7.0.1 MIME-Version: 1.0 To: Richard Yao CC: linux-kernel@vger.kernel.org Subject: Re: Random I/O lags on Lenovo T520: exception Emask 0x10 SAct 0x0 SErr 0x4040000 action 0xe frozen References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/25/2011 10:49 PM, Richard Yao wrote: > Dear Everyone, > > I am seeing the following my system log on my 5 month old Lenovo T520, > which has an OCZ Vertex 3 with the 2.15 firmware from OCZ: > > [38985.474597] ata4: exception Emask 0x10 SAct 0x0 SErr 0x4040000 > action 0xe frozen > [38985.474606] ata4: irq_stat 0x00000040, connection status changed > [38985.474621] ata4: hard resetting link > [38986.196436] ata4: SATA link down (SStatus 0 SControl 300) > [38986.207412] ata4: EH complete > [39109.561841] ata4: exception Emask 0x10 SAct 0x0 SErr 0x4040000 > action 0xe frozen > [39109.561851] ata4: irq_stat 0x00000040, connection status changed > [39109.561865] ata4: hard resetting link > [39110.283738] ata4: SATA link down (SStatus 0 SControl 300) > [39110.294765] ata4: EH complete > [41874.348949] ata4: exception Emask 0x10 SAct 0x0 SErr 0x4040000 > action 0xe frozen > [41874.348958] ata4: irq_stat 0x00000040, connection status changed > [41874.348973] ata4: hard resetting link > [41875.070896] ata4: SATA link down (SStatus 0 SControl 300) > [41875.081871] ata4: EH complete > [42038.632726] ata4: exception Emask 0x10 SAct 0x0 SErr 0x4040000 > action 0xe frozen > [42038.632736] ata4: irq_stat 0x00000040, connection status changed > [42038.632750] ata4: hard resetting link > [42039.354452] ata4: SATA link down (SStatus 0 SControl 300) > [42039.365441] ata4: EH complete > [45924.973330] ata4: exception Emask 0x10 SAct 0x0 SErr 0x4040000 > action 0xe frozen > [45924.973339] ata4: irq_stat 0x00000040, connection status changed > [45924.973353] ata4: hard resetting link > [45925.694644] ata4: SATA link down (SStatus 0 SControl 300) > [45925.705593] ata4: EH complete > [47147.406966] ata4: exception Emask 0x10 SAct 0x0 SErr 0x4040000 > action 0xe frozen > [47147.406975] ata4: irq_stat 0x00000040, connection status changed > [47147.406989] ata4: hard resetting link > [47148.128733] ata4: SATA link down (SStatus 0 SControl 300) > [47148.139655] ata4: EH complete > [49175.880115] ata4: exception Emask 0x10 SAct 0x0 SErr 0x4040000 > action 0xe frozen > [49175.880124] ata4: irq_stat 0x00000040, connection status changed > [49175.880137] ata4: hard resetting link > [49176.601441] ata4: SATA link down (SStatus 0 SControl 300) > [49176.612382] ata4: EH complete > [61159.032750] ata4: exception Emask 0x10 SAct 0x0 SErr 0x4040000 > action 0xe frozen > [61159.032759] ata4: irq_stat 0x00000040, connection status changed > [61159.032773] ata4: hard resetting link > [61159.753832] ata4: SATA link down (SStatus 0 SControl 300) > [61159.764804] ata4: EH complete > [67797.682487] ata4: exception Emask 0x10 SAct 0x0 SErr 0x4040000 > action 0xe frozen > [67797.682496] ata4: irq_stat 0x00000040, connection status changed > [67797.682510] ata4: hard resetting link > [67798.403637] ata4: SATA link down (SStatus 0 SControl 300) > [67798.414643] ata4: EH complete > [73680.166448] ata4: exception Emask 0x10 SAct 0x0 SErr 0x4040000 > action 0xe frozen > [73680.166453] ata4: irq_stat 0x00000040, connection status changed > [73680.166461] ata4: hard resetting link > [73680.887669] ata4: SATA link down (SStatus 0 SControl 300) > [73680.898649] ata4: EH complete > > Whenever this happens, KDE becomes semi-unresponsive. My first thought > was that this might be an indicator that the Intel Cougar Point > chipset in my laptop is dying, but I did a quick google search and > people seemed to think it was a kernel bug. The last time I called > Lenovo about an issue I had encountered, they told me that unless they > can reproduce it on Windows, they would not do anything. Does it look > like a hardware problem or a kernel bug? I want the opinion of someone > here before I call Lenovo about it. That sounds like a hardware problem, but it could be either the laptop or the drive - it appears that the SATA link is going down (the Serror indicates a CommWake and device exchanged).