Erro no CdRecord!!

Pessoal estou tentando gravar um cd de mp3.
Varios arquivos em mp3
dentro de pastas

Segue

SuSe 9.2

cdrecord -scanbus dev=/dev/hdd
Gravador HL-DT-ST' 'DVDRAM GSA-4081B' 'A100' Removable CD-ROM
cdrecord-2.01a27-21
cdrdao-1.1.9-3.1
k3b-0.11.7-19

Olha soh o error alguem tem ideia do que pode ser

cdrecord -v -fs=16M speed=1 dev=/dev/hdd cd-rw.iso
cdrecord: fifo was 0 times empty and 1 times full, min fill was 0%.
cdrecord: fifo had 64 puts and 0 gets.
cdrecord: You may have used an ultra low speed medium on a high speed writer.
cdrecord: Write speed 2 of medium not sufficient for this writer.
SCSI buffer size: 64512
cdrecord: Warning: using inofficial libscg transport code version ([email protected] '@(#)scsi-linux-sg.c 1.80 04/03/08 Copyright 1997 J. Schilling').
Linux sg driver version: 3.5.27
scsibus: -2 target: -2 lun: -2
devname: '/dev/hdd'
scsidev: '/dev/hdd'
cdrecord: Continuing in 5 seconds...
cdrecord: Future versions of cdrecord may have different drive dependent defaults.
cdrecord: Asuming -tao mode.
cdrecord: No write mode specified.


Valeuu pessoal