From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262282AbTD3PXO (ORCPT ); Wed, 30 Apr 2003 11:23:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262285AbTD3PXO (ORCPT ); Wed, 30 Apr 2003 11:23:14 -0400 Received: from pc2-cwma1-4-cust86.swan.cable.ntl.com ([213.105.254.86]:13718 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S262282AbTD3PXM (ORCPT ); Wed, 30 Apr 2003 11:23:12 -0400 Subject: Re: Bug in linux kernel when playing DVDs. From: Alan Cox To: James Courtier-Dutton Cc: vda@port.imtp.ilyichevsk.odessa.ua, Nick Piggin , Linux Kernel Mailing List In-Reply-To: <3EAFEA83.9030301@superbug.demon.co.uk> References: <3EABB532.5000101@superbug.demon.co.uk> <200304290538.h3T5cLu16097@Port.imtp.ilyichevsk.odessa.ua> <3EAE220D.4010602@cyberone.com.au> <200304301202.h3UC2eu23935@Port.imtp.ilyichevsk.odessa.ua> <1051704438.19573.20.camel@dhcp22.swansea.linux.org.uk> <3EAFEA83.9030301@superbug.demon.co.uk> Content-Type: text/plain Content-Transfer-Encoding: 7bit Organization: Message-Id: <1051713133.19579.34.camel@dhcp22.swansea.linux.org.uk> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.2 (1.2.2-5) Date: 30 Apr 2003 15:32:13 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mer, 2003-04-30 at 16:23, James Courtier-Dutton wrote: > When an error occurs on the DVD, "read done" message is never printed on > the console and all applications fail to respond to user input. This is > why I thought that the kernel hogs CPU 100% and the application never > receives the error message. Can you provide me with an strace and the log of the same set of events. In my case I saw the app I used continually going read/read/read and the kernel working hard to clean up the mess getting an error and repeat