K3b "Error while decoding audio tracks"

[Willem-Jan van Dinter]

Hi experts,

When I used K3b to burn a data-projekt, everything went smooth.
However, when I tried to burn some mp3-files as an audio-projekt, I got
a decoding error.
I pressumed the mp3 plugin could be corrupt, so I decoded the mp3 files
to a wav-format (and normalize) with a batch-script.
I tested those wav-files, and everything was OK.
But when I tried to burn those wav-files to CD, I got the same error.

Below is some debugging output the K3b application generated:

### Begin output ###
System
-----------------------
K3b Version: 0.11.9
KDE Version: 3.2.1-0.1 Red Hat
QT Version:  3.3.1

cdrecord
-----------------------
scsidev: '0,0,0'
scsibus: 0 target: 0 lun: 0
Linux sg driver version: 3.1.25
Error trying to open /dev/scd0 exclusively ... retrying in 1 second.
Error trying to open /dev/scd0 exclusively ... retrying in 1 second.
Error trying to open /dev/scd0 exclusively ... retrying in 1 second.
Error trying to open /dev/scd0 exclusively ... retrying in 1 second.
Error trying to open /dev/scd0 exclusively ... retrying in 1 second.
Error trying to open /dev/scd0 exclusively ... retrying in 1 second.
Error trying to open /dev/scd0 exclusively ... retrying in 1 second.
Error trying to open /dev/scd0 exclusively ... retrying in 1 second.
Error trying to open /dev/scd0 exclusively ... retrying in 1 second.
Error trying to open /dev/scd0 exclusively ... retrying in 1 second.
Cdrecord-Clone 2.01a19 (i686-redhat-linux-gnu) Copyright (C) 1995-2003
Jörg Schilling
TOC Type: 0 = CD-DA
bailing out..

cdrecord comand:
-----------------------
/usr/bin/cdrecord -v gracetime=2 dev=0,0,0 speed=48 -dao -dummy
driveropts=burnfree -eject -useinfo -pad -shorttrack -audio
/tmp/k3b_audio_0_01.inf /tmp/k3b_audio_0_02.inf /tmp/k3b_audio_0_03.inf
/tmp/k3b_audio_0_04.inf /tmp/k3b_audio_0_05.inf /tmp/k3b_audio_0_06.inf
/tmp/k3b_audio_0_07.inf /tmp/k3b_audio_0_08.inf /tmp/k3b_audio_0_09.inf
/tmp/k3b_audio_0_10.inf /tmp/k3b_audio_0_11.inf /tmp/k3b_audio_0_12.inf
/tmp/k3b_audio_0_13.inf /tmp/k3b_audio_0_14.inf

### End Of Output ###

Any clues ?