Burning a data DVD on Knoppix 3.4 using the LG GSA4120 and Philips media fails while burning a CD media with the same burner works. This is the log file - any idea what's wrong? Thank you in advance
Conrad

log file:

1. On The Fly:
--------------

System
-----------------------
K3b Version: 0.10.3
KDE Version: 3.1.5
QT Version: 3.2.3

growisofs
-----------------------
INFO: ISO-8859-15 character encoding detected by locale settings.
Assuming ISO-8859-15 encoded filenames on source filesystem,
use -input-charset to override.
:-[ SET STREAMING failed with SK=5h/ASC=21h/ACQ=00h]: Input/output error

growisofs comand:
-----------------------
/usr/bin/growisofs -Z /dev/scd1 -use-the-force-luke=notray -use-the-force-luke=tty -use-the-force-luke=dummy -use-the-force-luke=dao -speed=1e+01 -gui -graft-points -V K3b data project -volset -A K3B THE CD KREATOR VERSION 0.10.3 (C) 2003 SEBASTIAN TRUEG AND THE K3B TEAM -P -p K3b - Version 0.10.3 -sysid LINUX -volset-size 1 -volset-seqno 1 -sort /ramdisk/var/tmp/kde-knoppix/k3bwJXCXb.tmp -r -hide-list /ramdisk/var/tmp/kde-knoppix/k3biMTUmc.tmp -l -iso-level 2 -path-list /ramdisk/var/tmp/kde-knoppix/k3b4yHszb.tmp


2. not on the fly
------------------

System
-----------------------
K3b Version: 0.10.3
KDE Version: 3.1.5
QT Version: 3.2.3

growisofs
-----------------------
Executing 'builtin_dd if=/mnt/hda2/tmp/K3b data project.iso of=/dev/scd1 obs=32k seek=0'
:-[ SET STREAMING failed with SK=5h/ASC=21h/ACQ=00h]: Input/output error

growisofs comand:
-----------------------
/usr/bin/growisofs -Z /dev/scd1=/mnt/hda2/tmp/K3b data project.iso -use-the-force-luke=notray -use-the-force-luke=tty -use-the-force-luke=dummy -speed=1e+01

mkisofs
-----------------------
INFO: ISO-8859-15 character encoding detected by locale settings.
Assuming ISO-8859-15 encoded filenames on source filesystem,
use -input-charset to override.
0.02% done, estimate finish Tue Oct 5 18:52:37 2004
...
99.99% done, estimate finish Tue Oct 5 19:03:40 2004
Total translation table size: 0
Total rockridge attributes bytes: 57244
Total directory bytes: 112640
Path table size(bytes): 418
Max brk space used 84000
2278284 extents written (4449 Mb)

mkisofs comand:
-----------------------
/usr/bin/mkisofs -gui -graft-points -V K3b data project -volset -A K3B THE CD KREATOR VERSION 0.10.3 (C) 2003 SEBASTIAN TRUEG AND THE K3B TEAM -P -p K3b - Version 0.10.3 -sysid LINUX -volset-size 1 -volset-seqno 1 -sort /ramdisk/var/tmp/kde-knoppix/k3bn6WDKb.tmp -r -hide-list /ramdisk/var/tmp/kde-knoppix/k3br8dfAb.tmp -l -iso-level 2 -path-list /ramdisk/var/tmp/kde-knoppix/k3bLRPSsc.tmp


----------------------------------------------------------------------------------

3. writing a CD works. (for comparison)
------------------------------------------

System
-----------------------
K3b Version: 0.10.3
KDE Version: 3.1.5
QT Version: 3.2.3

cdrecord
-----------------------
scsidev: '0,1,0'
scsibus: 0 target: 1 lun: 0
Linux sg driver version: 3.1.25
SCSI buffer size: 64512
cdrecord.mmap: This version of cdrecord does not include DVD-R/DVD-RW support code.
cdrecord.mmap: See /usr/share/doc/cdrecord/README.DVD.Debian for details on DVD support.
Cdrecord-Clone 2.01a25 (i686-pc-linux-gnu) Copyright (C) 1995-2004 Jörg Schilling
NOTE: this version of cdrecord is an inofficial (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: 1 = CD-ROM
Using libscg version 'schily-0.8'.
Driveropts: 'burnfree'
atapi: 1
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.
Current: 0x0009
Profile: 0x0012
Profile: 0x0011
Profile: 0x0014
Profile: 0x0013
Profile: 0x001A
Profile: 0x001B
Profile: 0x002B
Profile: 0x0010
Profile: 0x0009 (current)
Profile: 0x000A
Profile: 0x0008
Profile: 0x0002
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
Drive buf size : 1053696 = 1029 KB
FIFO size : 4194304 = 4096 KB
Track 01: data 358 MB
Total size: 411 MB (40:48.84) = 183663 sectors
Lout start: 412 MB (40:50/63) = 183663 sectors
Current Secsize: 2048
ATIP info from disk:
Indicated writing power: 5
Is not unrestricted
Is not erasable
Disk sub type: Medium Type B, low Beta category (B-) (4)
ATIP start of lead in: -11768 (97:25/07)
ATIP start of lead out: 359775 (79:59/00)
Disk type: Short strategy type (Phthalocyanine or similar)
Manuf. index: 64
Manufacturer: MPO
Blocks total: 359775 Blocks current: 359775 Blocks remaining: 176112
Starting to write CD/DVD at speed 16 in dummy SAO mode for single session.
Last chance to quit, starting dummy write in 2 seconds.
1 seconds.
0 seconds. Operation starts.
Waiting for reader process to fill input buffer ... input buffer ready.
BURN-Free is ON.
Sending CUE sheet...
cdrecord.mmap: WARNING: Drive returns wrong startsec (0) using -150
Writing pregap for track 1 at -150
Starting new track at sector: 0
Track 01: 0 of 358 MB written.
Track 01: 1 of 358 MB written (fifo 100%) [buf 97%] 19.1x.
...
Track 01: 357 of 358 MB written (fifo 100%) [buf 97%] 16.3x.
Track 01: 358 of 358 MB written (fifo 100%) [buf 97%] 16.8x.
Track 01: Total bytes read/written: 376141824/376141824 (183663 sectors).
Writing time: 174.684s
Average write speed 14.0x.
Min drive buffer fill was 70%
Fixating...
WARNING: Some drives don't like fixation in dummy mode.
Fixating time: 5.997s
cdrecord.mmap: fifo had 5925 puts and 5925 gets.
cdrecord.mmap: fifo was 0 times empty and 4892 times full, min fill was 93%.

cdrecord comand:
-----------------------
/usr/bin/cdrecord -v gracetime=2 dev=0,1,0 speed=40 -dao -dummy driveropts=burnfree -eject -data -tsize=183663s -

mkisofs
-----------------------
183663
INFO: ISO-8859-15 character encoding detected by locale settings.
Assuming ISO-8859-15 encoded filenames on source filesystem,
use -input-charset to override.
0.27% done, estimate finish Tue Oct 5 19:25:54 2004
0.55% done, estimate finish Tue Oct 5 19:22:54 2004
...
99.64% done, estimate finish Tue Oct 5 19:22:46 2004
99.91% done, estimate finish Tue Oct 5 19:22:47 2004
Total translation table size: 0
Total rockridge attributes bytes: 1145
Total directory bytes: 0
Path table size(bytes): 10
Max brk space used 21000
183663 extents written (358 Mb)

mkisofs comand:
-----------------------
/usr/bin/mkisofs -gui -graft-points -V K3b data project -volset -A K3B THE CD KREATOR VERSION 0.10.3 (C) 2003 SEBASTIAN TRUEG AND THE K3B TEAM -P -p K3b - Version 0.10.3 -sysid LINUX -volset-size 1 -volset-seqno 1 -sort /ramdisk/var/tmp/kde-knoppix/k3baErucb.tmp -r -hide-list /ramdisk/var/tmp/kde-knoppix/k3bsKZ8Jb.tmp -l -iso-level 2 -path-list /ramdisk/var/tmp/kde-knoppix/k3bYtI4Bb.tmp