Comment 1 for bug 90030

am having similar problem I think - with k3b - using edgy with AMD64

k3b log below :

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System
-----------------------
K3b Version: 0.12.17

KDE Version: 3.5.5
QT Version: 3.3.6
Kernel: 2.6.20.6-01
Devices
-----------------------
ASUS DRW-1814BLT 1.04 (/dev/scd0, ) at /media/cdrom0 [CD-R; CD-RW; CD-ROM; DVD-ROM; DVD-RAM; DVD-R; DVD-RW; DVD-R DL; DVD+R; DVD+RW; DVD+R DL] [DVD-ROM; DVD-R Sequential; DVD-R Dual Layer Sequential; DVD-R Dual Layer Jump; DVD-RAM; DVD-RW Restricted Overwrite; DVD-RW Sequential; DVD+RW; DVD+R; DVD+R Double Layer; CD-ROM; CD-R; CD-RW] [SAO; TAO; RAW; SAO/R96P; SAO/R96R; RAW/R16; RAW/R96P; RAW/R96R; Restricted Overwrite; Layer Jump]

Used versions
-----------------------
cdrecord: 2.1.1a03

cdrecord
-----------------------
/usr/bin/X11/cdrecord: Warning: Running on Linux-2.6.20.6-01
/usr/bin/X11/cdrecord: There are unsettled issues with Linux-2.5 and newer.
/usr/bin/X11/cdrecord: If you have unexpected problems, please try Linux-2.4 or Solaris.
scsidev: '1,0,0'
scsibus: 1 target: 0 lun: 0
/usr/bin/X11/cdrecord: No such file or directory. Cannot open '/dev/sg*'. Cannot open SCSI driver.
/usr/bin/X11/cdrecord: For possible targets try 'cdrecord -scanbus'. Make sure you are root.
/usr/bin/X11/cdrecord: For possible transport specifiers try 'cdrecord dev=help'.
/usr/bin/X11/cdrecord:
/usr/bin/X11/cdrecord: For more information, install the cdrtools-doc
/usr/bin/X11/cdrecord: package and read /usr/share/doc/cdrecord/README.ATAPI.setup .
Cdrecord-Clone 2.01.01a03 (x86_64-unknown-linux-gnu) Copyright (C) 1995-2005 Joerg 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 <email address hidden>.
      The original author should not be bothered with problems of this version.
TOC Type: 1 = CD-ROM

cdrecord command:
-----------------------
/usr/bin/X11/cdrecord.mmap -v gracetime=2 dev=1,0,0 speed=24 -dao driveropts=burnfree -eject -data /home/jeff/downloads/kubuntu-7.04-desktop-amd64.iso
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but can run cdrecord direct successfully from command shell

ref below-

$ cdrecord -v kubuntu-7.04-alternate-amd64.iso
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-Clone 2.01.01a03 (x86_64-unknown-linux-gnu) Copyright (C) 1995-2005 Joerg 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 <email address hidden>.
      The original author should not be bothered with problems of this version.

cdrecord: Warning: Running on Linux-2.6.20.6-01
cdrecord: There are unsettled issues with Linux-2.5 and newer.
cdrecord: If you have unexpected problems, please try Linux-2.4 or Solaris.
TOC Type: 1 = CD-ROM
scsidev: '/dev/cdrw'
devname: '/dev/cdrw'
scsibus: -2 target: -2 lun: -2
Warning: Open by 'devname' is unintentional and not supported.
Linux sg driver version: 3.5.27
Error: Cannot gain SYS_RAWIO capability.Is cdrecord installed SUID root?
: Operation not permitted
Using libscg version 'debian-0.8debian2'.
cdrecord: Warning: using inofficial version of libscg (debian-0.8debian2 '@(#)scsitransp.c 1.91 04/06/17 Copyright 1988,1995,2000-2004 J. Schilling').
SCSI buffer size: 64512
atapi: 1
Device type : Removable CD-ROM
Version : 5
Response Format: 2
Capabilities :
Vendor_info : 'ASUS '
Identifikation : 'DRW-1814BLT '
Revision : '1.04'
Device seems to be: Generic mmc2 DVD-R/DVD-RW.
Current: 0x0009
Profile: 0x0015
Profile: 0x0016
Profile: 0x002B
Profile: 0x001B
Profile: 0x001A
Profile: 0x0014
Profile: 0x0013
Profile: 0x0012
Profile: 0x0011
Profile: 0x0010
Profile: 0x000A
Profile: 0x0009 (current)
Profile: 0x0008
Profile: 0x0002cdrecord: This version of cdrecord does not include DVD-R/DVD-RW support code.
cdrecord: See /usr/share/doc/cdrecord/README.DVD.Debian for details on DVD support.
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 : 1484032 = 1449 KB
FIFO size : 4194304 = 4096 KB
Track 01: data 696 MB
Total size: 800 MB (79:17.17) = 356788 sectors
Lout start: 800 MB (79:19/13) = 356788 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: -11567 (97:27/58)
  ATIP start of lead out: 359849 (79:59/74)
Disk type: Short strategy type (Phthalocyanine or similar)
Manuf. index: 12
Manufacturer: Mitsui Chemicals, Inc.
Blocks total: 359849 Blocks current: 359849 Blocks remaining: 3061
Error: Cannot gain SYS_RAWIO capability.Is cdrecord installed SUID root?
: Operation not permitted
Starting to write CD/DVD at speed 24 in real TAO mode for single session.
Last chance to quit, starting real write 0 seconds. Operation starts.
Waiting for reader process to fill input buffer ... input buffer ready.
BURN-Free is OFF.
Performing OPC...
Starting new track at sector: 0
Track 01: 696 of 696 MB written (fifo 100%) [buf 100%] 16.3x.
Track 01: Total bytes read/written: 730697728/730697728 (356786 sectors).
Writing time: 249.058s
Average write speed 19.6x.
Min drive buffer fill was 100%
Fixating...
Fixating time: 24.204s
cdrecord: fifo had 11510 puts and 11510 gets.
cdrecord: fifo was 0 times empty and 10212 times full, min fill was 85%.
$
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can also use xcdroast to burn iso successfully.