Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755458Ab0A0PjT (ORCPT ); Wed, 27 Jan 2010 10:39:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754390Ab0A0PjS (ORCPT ); Wed, 27 Jan 2010 10:39:18 -0500 Received: from mail-iw0-f186.google.com ([209.85.223.186]:33157 "EHLO mail-iw0-f186.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754047Ab0A0PjR (ORCPT ); Wed, 27 Jan 2010 10:39:17 -0500 MIME-Version: 1.0 X-Originating-IP: [66.187.234.200] In-Reply-To: References: <20100126160243.018b87e3@lxorguk.ukuu.org.uk> <72dbd3151001261251s606ebf00h86c2ce63293305b6@mail.gmail.com> Date: Wed, 27 Jan 2010 10:39:16 -0500 Message-ID: Subject: Re: [PATCH] ata: Disable NCQ for Crucial M225 brand SSDs From: Jarod Wilson To: Vishal Rao Cc: David Rees , Alan Cox , jgarzik@pobox.com, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, trivial@kernel.org, stable@kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1613 Lines: 35 On Tue, Jan 26, 2010 at 7:21 PM, Vishal Rao wrote: > 2010/1/27 David Rees : >> Have there been any other reports of NCQ issues with similar Crucial >> drives or Indilinx? > > I haven't personally seen reports of NCQ specific issues. I have seen > people (online) reporting "issues" with Linux distro installations > hanging/freezing etc. and some prior attempts at SMART fixes which > I also initially tried but did not work for me. > > I have tried to "publicise" this issue (forum, blog, mailing list posts) > in the hope more users may search and identify the correct issue > so that it may be better verified. > > Unfortunately, the Crucial ID string is not model-agnostic (if thats > the right term)... meaning the patch has 3 lines to ID the 3 current > models that I know of including my own 128 GB model. > > Not sure if there's a better, more generic way to match a whole group > of SSDs (same model family or various vendors) which trigger NCQ errors? How to define a group gets... Messy. Just as a data point, my own Barefoot-based SSD, an OCZ Vertex, has no NCQ-related problems whatsoever, so far as I know. Its currently hooked to a Zotac ION board, which has ahci-driven sata controllers of some sort, was previously in a Dell Studio Hybrid, where it also worked just fine. -- Jarod Wilson jarod@wilsonet.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/