Someone

System
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K3b Version: 0.12.17

KDE Version: 3.5.4
QT Version:  3.3.6
Kernel:      2.6.17-gentoo-r2
Devices
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PLEXTOR CD-R   PX-W2410A 1.04 (/dev/hdc, ) at /media/cdrw [CD-R; CD-RW; CD-ROM] [CD-ROM; CD-R; CD-RW] [SAO; TAO; RAW; SAO/R96P; SAO/R96R; RAW/R16; RAW/R96P; RAW/R96R]

JLMS DVD-ROM LTD-166S DIS2 (/dev/hdd, ) at /media/dvd [CD-ROM; DVD-ROM] [DVD-ROM; CD-ROM] [Geen ]
Used versions
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cdrecord: 2.1.1a11

cdrecord
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/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/hdc'
devname: '/dev/hdc'
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
/usr/bin/cdrecord: Operation not permitted. Cannot send SCSI cmd via ioctl
Cdrecord-ProDVD-Clone 2.01.01a11 (i686-pc-linux-gnu) Copyright (C) 1995-2006 Jörg Schilling
TOC Type: 1 = CD-ROM
Using libscg version 'schily-0.8'.
Driveropts: 'burnfree'
atapi: 1
Device type    : Removable CD-ROM
Version        : 0
Response Format: 1
Vendor_info    : 'PLEXTOR '
Identifikation : 'CD-R   PX-W2410A'
Revision       : '1.04'
Device seems to be: Generic mmc CD-RW.
Current: CD-R
Profile: CD-ROM 
Profile: CD-R (current)
Profile: CD-RW 

cdrecord command:
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/usr/bin/cdrecord -v gracetime=2 dev=/dev/hdc speed=24 -dao driveropts=burnfree -eject -data /home/q/ubuntu-6.06.1-desktop-i386.iso