From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932104AbWFKFfG (ORCPT ); Sun, 11 Jun 2006 01:35:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932560AbWFKFfG (ORCPT ); Sun, 11 Jun 2006 01:35:06 -0400 Received: from corky.net ([212.150.53.130]:17087 "EHLO zebday.corky.net") by vger.kernel.org with ESMTP id S932104AbWFKFfE (ORCPT ); Sun, 11 Jun 2006 01:35:04 -0400 Message-ID: <448BAB7B.6020002@corky.net> Date: Sun, 11 Jun 2006 06:34:51 +0100 From: Just Marc User-Agent: Thunderbird 1.5.0.2 (X11/20060516) MIME-Version: 1.0 To: linux-kernel@vger.kernel.org CC: Michael Tokarev Subject: Re: [PATCH 4/5] readahead: backoff on I/O error Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-AV-Checked: ClamAV using ClamSMTP on CorKy.NeT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, >Well, it looks like I'm the only one in this world who's drive was >fired this way... ;) Note it's a combination of two issues: it's >definitely a buggy firmware (or hardware) - it should not fire, >no matter how you're hitting it from software - and the readahead+ >EIO logic. So.. well, I don't want to try another drive really, >but it *seems* like it will eventually "recover". Not that it's >possible still to watch a DVD with a single scratch (one unreadable >block) anyway with current code (it will freeze and freeze and freeze >again and again), but well, it's not really THAT critical. My drive >is already dead, nothing worse can happen to it anyway ;) I'm pretty sure you're not the only one, I have had my CD/DVD drive *obsessively* try to read from a bad CD/DVD (or just a badly scrached area on the disc), bringing the system to an unusable state and not even stopping in reasonable time (minutes, at least), I was forced to power cycle the laptop in all of these cases. Marc