I wrote the following post, here is somemore info. http://lists.debian.org/cdwrite/2005/02/msg00037.html I did a burn with command: $growisofs -Z /dev/scd0 -R -J ./safe Got out of the kernel log: Feb 20 07:53:02 zippo01 ata6: command 0xa0 timeout, stat 0x78 host_stat 0x0 Feb 20 07:53:02 zippo01 SCSI error : <5 0 0 0> return code = 0x2 Goodluck.