tentei queimar a imagem do Edubuntu e apresentou o seguinte erro
cdrecord: No write mode specified.
cdrecord: Asuming -tao mode.
cdrecord: Future versions of cdrecord may have different drive dependent defaults.
cdrecord: Continuing in 5 seconds...
cdrecord: Warning: Running on Linux-2.6.10-5-386
cdrecord: There are unsettled issues with Linux-2.5 and newer.
cdrecord: If you have unexpected problems, please try Linux-2.4 or Solaris.
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: '/dev/hdd'
devname: '/dev/hdd'
scsibus: -2 target: -2 lun: -2
Warning: Open by 'devname' is unintentional and not supported.
Linux sg driver version: 3.5.27
cdrecord: Warning: using unofficial version of libscg (ubuntu-0.8ubuntu1 '@(#)scsitransp.c 1.91 04/06/17 Copyright 1988,1995,2000-2004 J. Schilling').
SCSI buffer size: 64512
cdrecord: Sorry, no CD/DVD-Recorder or unsupported CD/DVD-Recorder found on this target.
Cdrecord-Clone 2.01a38 (i686-pc-linux-gnu) Copyright (C) 1995-2004 Joerg Schilling
NOTE: this version of cdrecord is an unofficial (modified) release of cdrecord
and thus may have bugs that are not present in the original version.
Please send bug reports and support requests to <cdrtools@packages.debian.org>.
The original author should not be bothered with problems of this version.
TOC Type: 3 = CD-ROM XA mode 2
Using libscg version 'ubuntu-0.8ubuntu1'.
atapi: 1
Device type : Removable CD-ROM
Version : 0
Response Format: 2
Capabilities :
Vendor_info : 'HL-DT-ST'
Identifikation : 'DVD-ROM GDR8162B'
Revision : '0015'
Device seems to be: Generic mmc2 DVD-ROM.
Current: 0x0000
Profile: 0x0010
Profile: 0x0008