From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759627AbYAUQqh (ORCPT ); Mon, 21 Jan 2008 11:46:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753552AbYAUQq2 (ORCPT ); Mon, 21 Jan 2008 11:46:28 -0500 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:48232 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1753240AbYAUQq0 (ORCPT ); Mon, 21 Jan 2008 11:46:26 -0500 Date: Mon, 21 Jan 2008 16:44:14 +0000 From: Alan Cox To: Tejun Heo Cc: Andrew Morton , Georgi Chulkov , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, Mark Lord Subject: Re: ATA device reset, shoud I be concerned? Message-ID: <20080121164414.6cd7d8fc@lxorguk.ukuu.org.uk> In-Reply-To: <4794AD3F.40309@gmail.com> References: <200801140019.20668.g.chulkov@jacobs-university.de> <20080115025435.1e21b703.akpm@linux-foundation.org> <20080115113552.75731bf8@lxorguk.ukuu.org.uk> <4794501E.90306@gmail.com> <20080121130256.2443d7c1@lxorguk.ukuu.org.uk> <47949AA4.9090601@gmail.com> <20080121141425.45aa9c61@lxorguk.ukuu.org.uk> <4794ACAF.70505@gmail.com> <4794AD3F.40309@gmail.com> X-Mailer: Claws Mail 3.2.0 (GTK+ 2.12.3; x86_64-redhat-linux-gnu) Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Just a data point, even ICHs lock up after PHY event if the wrong TF > register is accessed. I just don't think tempting with TF regs after > timeout is worth the cost. For SATA maybe, for PATA I don't have any controllers with your bug so its wrong for libata to cripple the PATA support or working controllers. Alan