From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262242AbUCEIXy (ORCPT ); Fri, 5 Mar 2004 03:23:54 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262250AbUCEIXx (ORCPT ); Fri, 5 Mar 2004 03:23:53 -0500 Received: from ns.virtualhost.dk ([195.184.98.160]:51435 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id S262242AbUCEIXw (ORCPT ); Fri, 5 Mar 2004 03:23:52 -0500 Date: Fri, 5 Mar 2004 09:23:50 +0100 From: Jens Axboe To: Olaf Fr?czyk Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.3 BUG - can't write DVD-RAM - reported as write-protected Message-ID: <20040305082350.GO31750@suse.de> References: <1078434953.1961.13.camel@venus.local.navi.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1078434953.1961.13.camel@venus.local.navi.pl> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 04 2004, Olaf Fr?czyk wrote: > Hi, > I switched to 2.6.3 from 2.4.x serie. > When I mount DVD-RAM it is mounted read-only: > > [root@venus olaf]# mount /dev/dvdram /mnt/dvdram > mount: block device /dev/dvdram is write-protected, mounting read-only > [root@venus olaf]# > > In 2.4 it is mounted correctly as read-write. > > Drive: Panasonic LF-201, reported in Linux as: > MATSHITA DVD-RAM LF-D200 A120 > > SCSI controller: Adaptec 2940U2W What does cat /proc/sys/dev/cdrom/info say? Do you get any kernel messages in dmesg when the rw mount fails? -- Jens Axboe