From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [2.6.23-rc3] Regression: "spurious completions during NCQ" Date: Wed, 24 Oct 2007 06:18:20 -0400 Message-ID: <471F1BEC.2060701@gmail.com> References: <20070922131104.GG32509@server.c-otto.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from rv-out-0910.google.com ([209.85.198.184]:18678 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753315AbXJXKS2 (ORCPT ); Wed, 24 Oct 2007 06:18:28 -0400 Received: by rv-out-0910.google.com with SMTP id k20so126439rvb for ; Wed, 24 Oct 2007 03:18:27 -0700 (PDT) In-Reply-To: <20070922131104.GG32509@server.c-otto.de> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Carsten Otto Cc: linux-ide@vger.kernel.org Carsten Otto wrote: > kern.log:Sep 20 00:42:23 server kernel: ata2.00: NCQ disabled due to excessive errors > > Please tell me how I can help resolving the issue (if it is a bug) or, > if possible, tell me how to fix it myself. > > Information about my system: > - 4x Maxtor 7V300F0 (MaxLine III, 300GB, 7200rpm, 16MB cache, SATA2), > firmware VA111900 > - 1x Samsung 2SP2014N (SpinPoint P, 200GB, 7200rpm, 8MB cache, PATA), > firmware VC100-33 > - 4 software RAIDs on the SATA disks, 1x RAID1, 3x RAID5 > - heavy usage of the RAIDs > - ICH7R > - 2.6.22.6 > - Pentium D 805, 2GB RAM Please post dmesg including full boot log and error messages and the result of 'hdparm -I /dev/sdX' where sdX are drives which cause such errors. Thanks. -- tejun