From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261249AbULANks (ORCPT ); Wed, 1 Dec 2004 08:40:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261252AbULANks (ORCPT ); Wed, 1 Dec 2004 08:40:48 -0500 Received: from smtp08.auna.com ([62.81.186.18]:20687 "EHLO smtp08.retemail.es") by vger.kernel.org with ESMTP id S261249AbULANkf convert rfc822-to-8bit (ORCPT ); Wed, 1 Dec 2004 08:40:35 -0500 Date: Wed, 01 Dec 2004 13:40:33 +0000 From: "J.A. Magallon" Subject: cd burning, capabilities and available modes To: Lista Linux-Kernel X-Mailer: Balsa 2.2.6 Message-Id: <1101908433l.8423l.0l@werewolf.able.es> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi... Following my little oddisey to let cd-burning easy for my users, I think I have found another problem. It looks like the formats available to cdrecord depend on being root (cdrecord is not suid, if it is it complains it cant reserve some buffers). As root: werewolf:/store/tmp# cdrecord -dummy dev=ATAPI:1,0,0 *.iso ... Device seems to be: Generic mmc2 DVD-R/DVD-RW. Using generic SCSI-3/mmc CD-R/CD-RW driver (mmc_cdr). Driver flags : MMC-3 SWABAUDIO BURNFREE Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R RAW/R16 RAW/R96P RAW/R96R As user: werewolf:/store/tmp> cdrecord -dummy dev=ATAPI:1,0,0 *.iso ... cdrecord: Cannot allocate memory. WARNING: Cannot do mlockall(2). cdrecord: WARNING: This causes a high risk for buffer underruns. cdrecord: Operation not permitted. WARNING: Cannot set RR-scheduler cdrecord: Permission denied. WARNING: Cannot set priority using setpriority(). cdrecord: WARNING: This causes a high risk for buffer underruns. scsidev: 'ATAPI:1,0,0' devname: 'ATAPI' scsibus: 1 target: 0 lun: 0 Warning: Using ATA Packet interface. Warning: The related Linux kernel interface code seems to be unmaintained. Warning: There is absolutely NO DMA, operations thus are slow. WARNING ! Cannot gain SYS_RAWIO capability ! : Operation not permitted Using libscg version 'schily-0.8'. Device type : Removable CD-ROM Version : 0 Response Format: 2 Capabilities : Vendor_info : 'HL-DT-ST' Identifikation : 'DVDRAM GSA-4120B' Revision : 'A102' Device seems to be: Generic mmc2 DVD-R/DVD-RW. Using generic SCSI-3/mmc CD-R/CD-RW driver (mmc_cdr). Driver flags : MMC-3 SWABAUDIO BURNFREE Supported modes: cdrecord: Drive does not support TAO recording. cdrecord: Illegal write mode for this drive. Uh ? Some suggestions ? -- J.A. Magallon \ Software is like sex: werewolf!able!es \ It's better when it's free Mandrakelinux release 10.2 (Cooker) for i586 Linux 2.6.10-rc2-jam4 (gcc 3.4.1 (Mandrakelinux 10.1 3.4.1-4mdk)) #1