Something

System
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K3b Version: 1.0.2

KDE Version: 3.5.7
QT Version:  3.3.8
Kernel:      2.6.22-rc5
Devices
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TSSTcorp CD/DVDW SH-S182M SB03 (/dev/sr0, ) [CD-R, CD-RW, CD-ROM, DVD-ROM, 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 Dual 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
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cdrecord: 2.1.1a23

cdrecord
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/usr/bin/cdrecord: Warning: Running on Linux-2.6.22-rc5
/usr/bin/cdrecord: There are unsettled issues with Linux-2.5 and newer.
/usr/bin/cdrecord: If you have unexpected problems, please try Linux-2.4 or Solaris.
/usr/bin/cdrecord: Operation not permitted. Warning: Cannot raise RLIMIT_MEMLOCK limits./usr/bin/cdrecord: Cannot allocate memory. WARNING: Cannot do mlockall(2).
/usr/bin/cdrecord: WARNING: This causes a high risk for buffer underruns.
/usr/bin/cdrecord: Operation not permitted. WARNING: Cannot set RR-scheduler
/usr/bin/cdrecord: Permission denied. WARNING: Cannot set priority using setpriority().
/usr/bin/cdrecord: WARNING: This causes a high risk for buffer underruns.
scsidev: '/dev/sr0'
devname: '/dev/sr0'
scsibus: -2 target: -2 lun: -2
Warning: Open by 'devname' is unintentional and not supported.
Linux sg driver version: 3.5.27
SCSI buffer size: 64512
Cdrecord-ProDVD-Clone 2.01.01a23 (i686-pc-linux-gnu) Copyright (C) 1995-2006 Jörg Schilling
TOC Type: 1 = CD-ROM
Using libscg version 'schily-0.9'.
Driveropts: 'burnfree'
atapi: 1
Device type    : Removable CD-ROM
Version        : 5
Response Format: 2
Capabilities   : 
Vendor_info    : 'TSSTcorp'
Identifikation : 'CD/DVDW SH-S182M'
Revision       : 'SB03'
Device seems to be: Generic mmc2 DVD-R/DVD-RW/DVD-RAM.
Current: CD-R
Profile: DVD-R/DL sequential recording 
Profile: DVD-R/DL layer jump recording 
Profile: DVD+R/DL 
Profile: DVD+R 
Profile: DVD+RW 
Profile: DVD-RW sequential overwrite 
Profile: DVD-RW restricted overwrite 
Profile: DVD-RAM 
Profile: DVD-R sequential recording 
Profile: DVD-ROM 
Profile: CD-RW 
Profile: CD-R (current)
Profile: CD-ROM 
Profile: Removable Disk 
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 : 1058816 = 1034 KB
FIFO size      : 4194304 = 4096 KB
Track 01: data   192 MB        
Total size:      220 MB (21:52.80) = 98460 sectors
Lout start:      221 MB (21:54/60) = 98460 sectors
/usr/bin/cdrecord: Operation not permitted. Cannot send SCSI cmd via ioctl

cdrecord command:
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/usr/bin/cdrecord -v gracetime=2 dev=/dev/sr0 speed=48 -dao driveropts=burnfree -overburn -data -tsize=98460s -