From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Sumanth J.V" Subject: Re: Fw: Spurious completions during NCQ Date: Mon, 17 Sep 2007 08:18:26 -0500 Message-ID: <46EE7EA2.3000608@cse.unl.edu> References: <20070915005751.353d0c69.akpm@linux-foundation.org> <46EC7159.6000904@garzik.org> <46ED25DD.605@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from cse-mail.unl.edu ([129.93.165.11]:58146 "EHLO cse-mail.unl.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753937AbXIQNqa (ORCPT ); Mon, 17 Sep 2007 09:46:30 -0400 In-Reply-To: <46ED25DD.605@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: Jeff Garzik , Andrew Morton , linux-ide@vger.kernel.org Tejun Heo wrote: > Jeff Garzik wrote: > >> Andrew Morton wrote: >> >>> Begin forwarded message: >>> >>> Date: Fri, 07 Sep 2007 12:57:14 -0500 >>> From: "Sumanth J.V" >>> To: linux-kernel@vger.kernel.org >>> Subject: Spurious completions during NCQ >>> >>> >>> I keep seeing this message a few times a day on my box. >>> >>> ata1.00: exception Emask 0x2 SAct 0x18 SErr 0x0 action 0x2 frozen >>> ata1.00: (spurious completions during NCQ issue=0x0 SAct=0x18 >>> FIS=004040a1:00000004) >>> > > Please report the result of "hdparm -I /dev/sda". > > [root@localhost 3d]# hdparm -I /dev/sda /dev/sda: ATA device, with non-removable media Model Number: WDC WD5000AAKS-22TMA0 Serial Number: WD-WCAPW2873034 Firmware Revision: 12.01C01 Standards: Supported: 7 6 5 4 Likely used: 7 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: 976773168 device size with M = 1024*1024: 476940 MBytes device size with M = 1000*1000: 500107 MBytes (500 GB) Capabilities: LBA, IORDY(can be disabled) Queue depth: 32 Standby timer values: spec'd by Standard, with device specific minimum R/W multiple sector transfer: Max = 16 Current = 0 Recommended acoustic management value: 128, current value: 254 DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6 Cycle time: min=120ns recommended=120ns PIO: pio0 pio1 pio2 pio3 pio4 Cycle time: no flow control=120ns IORDY flow control=120ns Commands/features: Enabled Supported: * SMART feature set Security Mode feature set * Power Management feature set * Write cache * Look-ahead * Host Protected Area feature set * WRITE_BUFFER command * READ_BUFFER command * NOP cmd * DOWNLOAD_MICROCODE Power-Up In Standby feature set * SET_FEATURES required to spinup after power up SET_MAX security extension Automatic Acoustic Management feature set * 48-bit Address feature set * Device Configuration Overlay feature set * Mandatory FLUSH_CACHE * FLUSH_CACHE_EXT * SMART error logging * SMART self-test * General Purpose Logging feature set * 64-bit World wide name * Segmented DOWNLOAD_MICROCODE * SATA-I signaling speed (1.5Gb/s) * SATA-II signaling speed (3.0Gb/s) * Native Command Queueing (NCQ) * Host-initiated interface power management * Phy event counters DMA Setup Auto-Activate optimization * Software settings preservation * SMART Command Transport (SCT) feature set * SCT Long Sector Access (AC1) * SCT LBA Segment Access (AC2) * SCT Error Recovery Control (AC3) * SCT Features Control (AC4) * SCT Data Tables (AC5) unknown 206[12] unknown 206[13] Security: Master password revision code = 65534 supported not enabled not locked not frozen not expired: security count not supported: enhanced erase 128min for SECURITY ERASE UNIT. Checksum: correct