From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: ATA device reset, shoud I be concerned? Date: Mon, 21 Jan 2008 23:33:35 +0900 Message-ID: <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> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from wa-out-1112.google.com ([209.85.146.179]:19646 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753578AbYAUOdm (ORCPT ); Mon, 21 Jan 2008 09:33:42 -0500 Received: by wa-out-1112.google.com with SMTP id v27so3753250wah.23 for ; Mon, 21 Jan 2008 06:33:41 -0800 (PST) In-Reply-To: <4794ACAF.70505@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Alan Cox Cc: Andrew Morton , Georgi Chulkov , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, Mark Lord Tejun Heo wrote: > IMHO, losing media error information is much better than locking up a > machine hard. We can start white listing known good controllers but I'm > skeptical how much benefit it will bring. 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. -- tejun