From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758542AbXJCRyp (ORCPT ); Wed, 3 Oct 2007 13:54:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752447AbXJCRyi (ORCPT ); Wed, 3 Oct 2007 13:54:38 -0400 Received: from srv5.dvmed.net ([207.36.208.214]:37674 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752020AbXJCRyh (ORCPT ); Wed, 3 Oct 2007 13:54:37 -0400 Message-ID: <4703D75B.6070608@garzik.org> Date: Wed, 03 Oct 2007 13:54:35 -0400 From: Jeff Garzik User-Agent: Thunderbird 2.0.0.5 (X11/20070727) MIME-Version: 1.0 To: Mike Robak CC: linux-kernel@vger.kernel.org Subject: Re: libATA error message doc References: <2b40bfd30710031039y70252a8bk898b102c993a92af@mail.gmail.com> In-Reply-To: <2b40bfd30710031039y70252a8bk898b102c993a92af@mail.gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.4 (----) X-Spam-Report: SpamAssassin version 3.1.9 on srv5.dvmed.net summary: Content analysis details: (-4.4 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Mike Robak wrote: > Does a doc exist that provides a detailed description of the different > errors that could be produced by libata and its associated drivers? > The libATA developer's guide provides a very good general description > of the types of messages, but I'm looking for more detail. > > For example I got this error message last week: > > Sep 27 17:29:26 server kernel: ata2.00: exception Emask 0x0 SAct 0x0 > SErr 0x0 action 0x1 > Sep 27 17:29:26 server kernel: ata2.00: (irq_stat 0x40000001) > Sep 27 17:29:26 server kernel: ata2.00: tag 0 cmd 0xb0 Emask 0x1 stat > 0x51 err 0x4 (device error) > > I'd like to know what the following items means? > > (irq_stat 0x40000001) > tag 0 > cmd 0xb0 > emask 0x1 > stat 0x51 > err 0x4 It's pretty much all defined in the ATA or controller specifications... Well, except for emask, which is a libata-only invention. Jeff