From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423276AbWF1LSo (ORCPT ); Wed, 28 Jun 2006 07:18:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1423278AbWF1LSo (ORCPT ); Wed, 28 Jun 2006 07:18:44 -0400 Received: from mail-out.m-online.net ([212.18.0.9]:8877 "EHLO mail-out.m-online.net") by vger.kernel.org with ESMTP id S1423276AbWF1LSn (ORCPT ); Wed, 28 Jun 2006 07:18:43 -0400 X-Auth-Info: 1977qM1NOk5+HstnD78Y72BZm3FDtcxRYQaIV/ccJXc= Date: Wed, 28 Jun 2006 13:19:38 +0200 From: Christian Lohmaier To: linux-kernel@vger.kernel.org Subject: Re: [Bugme-new] [Bug 6745] New: kernel hangs when trying to read atip wiith cdrecord Message-ID: <20060628111937.GA4126@bm617259.muenchen.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <44A22FC3.nail3NU1XXW6C@burner> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 28 Jun 2006 09:30:22 +0200, Joerg Schilling wrote: > Christian Lohmaier wrote: >>I updated the bug-report with some info I collected from another bug. > >>Apparently my drive sends additional interrupts that confuses the kernel >>and make it hang. >>The problem is triggered with newer versions of cdrecord (cdrtools >>2.01a33 and newer) where cdrecord changed its driver interface. > > cdrtools-2.01a33 is extremely old (2 years). > > It did not introduce new SCSI commands (compared to prevuious versions) and I > would be interested why this problem is discussed late. Because that problems only occurs in the combination of recent cdrtools with kernel 2.6.x I for myself have been using kernel 2.4.x until recently I switched to 2.6.x > The only new thing with cdrecord-2.01a33 is that it started to transfer more > than 4 bytes with the "read buffer" command. As this is only issued in case that > the "read buffer" command did succeed with 4 bytes transfer count and as > cdrecord does not transfer more than the drive advertizes, I am just depending > on a kernel that does not freeze from the SCSI command I am issuing. OK - thats already a hint. Maybe this helps the kernel-devs. ciao Christian -- NP: Papa Roach - Between Angels And Insects