From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262150AbTD3M3e (ORCPT ); Wed, 30 Apr 2003 08:29:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262151AbTD3M3d (ORCPT ); Wed, 30 Apr 2003 08:29:33 -0400 Received: from 169.imtp.Ilyichevsk.Odessa.UA ([195.66.192.169]:59398 "EHLO Port.imtp.ilyichevsk.odessa.ua") by vger.kernel.org with ESMTP id S262150AbTD3M3d (ORCPT ); Wed, 30 Apr 2003 08:29:33 -0400 Message-Id: <200304301202.h3UC2eu23935@Port.imtp.ilyichevsk.odessa.ua> Content-Type: text/plain; charset=US-ASCII From: Denis Vlasenko Reply-To: vda@port.imtp.ilyichevsk.odessa.ua To: Nick Piggin Subject: Re: Bug in linux kernel when playing DVDs. Date: Wed, 30 Apr 2003 15:10:16 +0300 X-Mailer: KMail [version 1.3.2] Cc: James@superbug.demon.co.uk, linux-kernel@vger.kernel.org References: <3EABB532.5000101@superbug.demon.co.uk> <200304290538.h3T5cLu16097@Port.imtp.ilyichevsk.odessa.ua> <3EAE220D.4010602@cyberone.com.au> In-Reply-To: <3EAE220D.4010602@cyberone.com.au> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 29 April 2003 09:56, Nick Piggin wrote: > >>At some point during the playing there is an error on the DVD. But > >>currently this error is not handled correctly by the linux kernel. > >>This puts the kernel into an uncertain state, causing the kernel to > >>take 100% CPU and fail all future read requests. > > [snip] > > >Apart of making max retry # settable by the user, I don't see how > >this can be made better. > > Having the kernel not use 100% CPU? I suspect IDE error recovery path was never audited for that -- vda