Version:           0.12.3 (using KDE 3.4.2 Level "b" , SUSE 10.0)
Compiler:          Target: i586-suse-linux
OS:                Linux (i686) release 2.6.13-15-default

I was trying to backup my downloaded files. I will include the debug output report.

System
-----------------------
K3b Version: 0.12

KDE Version: 3.4.2 Level "b" 
QT Version:  3.3.4
Kernel:      2.6.13-15-default
Devices
-----------------------
SAMSUNG CDRW/DVD SM-332B T408 (/dev/hdc, ) at /media/cdrecorder [CD-R; CD-RW; CD-ROM; DVD-ROM] [DVD-ROM; CD-ROM; CD-R; CD-RW] [SAO; TAO; RAW; SAO/R96R; RAW/R16; RAW/R96R]

K3b
-----------------------
Size of filesystem calculated: 112307

Used versions
-----------------------
mkisofs: 2.1
cdrecord: 2.1

cdrecord
-----------------------
/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.
/usr/bin/cdrecord: Warning: not running as root user, fs= option ignored.
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
/usr/bin/cdrecord: Warning: using inofficial libscg transport code version (okir@suse.de-scsi-linux-sg.c-1.83-resmgr-patch '@(#)scsi-linux-sg.c 1.83 04/05/20 Copyright 1997 J. Schilling').
SCSI buffer size: 64512
Cdrecord-Clone 2.01 (i686-suse-linux) Copyright (C) 1995-2004 Jörg Schilling
Note: This version is an unofficial (modified) version
Note: and therefore may have bugs that are not present in the original.
Note: Please send bug reports or support requests to http://www.suse.de/feedback
Note: The author of cdrecord should not be bothered with problems in this version.
TOC Type: 3 = CD-ROM XA mode 2
Using libscg version 'schily-0.8'.
Driveropts: 'burnfree'
atapi: 1
Device type    : Removable CD-ROM
Version        : 0
Response Format: 1
Vendor_info    : 'SAMSUNG '
Identifikation : 'CDRW/DVD SM-332B'
Revision       : 'T408'
Device seems to be: Generic mmc2 DVD-ROM.
Current: 0x0009
Profile: 0x0010 
Profile: 0x0008 
Profile: 0x0009 (current)
Profile: 0x000A 
Using generic SCSI-3/mmc   CD-R/CD-RW driver (mmc_cdr).
Driver flags   : MMC-2 SWABAUDIO BURNFREE 
Supported modes: TAO PACKET SAO SAO/R96R RAW/R16 RAW/R96R
Drive buf size : 1353728 = 1322 KB
FIFO size      : 4194304 = 4096 KB
Track 01: data   219 MB        
Total size:      251 MB (24:57.45) = 112309 sectors
Lout start:      252 MB (24:59/34) = 112309 sectors
Current Secsize: 2048
ATIP info from disk:
  Indicated writing power: 5
  Is unrestricted
  Is not erasable
  Disk sub type: Medium Type B, low Beta category (B-) (4)
  ATIP start of lead in:  -12366 (97:17/09)
  ATIP start of lead out: 359849 (79:59/74)
Disk type:    Short strategy type (Phthalocyanine or similar)
Manuf. index: 69
Manufacturer: Moser Baer India Limited
Manufacturer is guessed because of the orange forum embargo.
The orange forum likes to get money for recent information.
The information for this media may not be correct.
Blocks total: 359849 Blocks current: 359849 Blocks remaining: 247540
Starting to write CD/DVD at speed 8 in real TAO mode for multi session.
Last chance to quit, starting real write in 2 seconds.
   1 seconds.
   0 seconds. Operation starts.
/usr/bin/cdrecord: Caught interrupt.
Waiting for reader process to fill input buffer ... BURN-Free was never needed.
/usr/bin/cdrecord: fifo had 12 puts and 0 gets.
/usr/bin/cdrecord: fifo was 1 times empty and 0 times full, min fill was 0%.

cdrecord command:
-----------------------
/usr/bin/cdrecord -v gracetime=2 dev=/dev/hdc speed=8 -tao driveropts=burnfree -eject -multi -xa -tsize=112307s - 

mkisofs
-----------------------
112307
INFO: UTF-8 character encoding detected by locale settings.
 Assuming UTF-8 encoded filenames on source filesystem,
 use -input-charset to override.
Using SUPER_CYBERTRON_SLACKW000.THEME;1 for  Stuff to burn for Suse/Theme Stuff/superkaramba/super_cybertron/Super_Cybertron_slackware2.theme (Super_Cybertron_slackware1.theme)
Incorrectly encoded string (Português(pt-BR)) encountered.
Possibly creating an invalid Joliet extension. Aborting.

mkisofs command:
-----------------------
/usr/bin/mkisofs -gui -graft-points -volid K3b data project -volset  -appid K3B THE CD KREATOR (C) 1998-2005 SEBASTIAN TRUEG AND THE K3B TEAM -publisher  -preparer  -sysid LINUX -volset-size 1 -volset-seqno 1 -sort /tmp/kde-rik/k3bCkCirc.tmp -rock -hide-list /tmp/kde-rik/k3b91qCYa.tmp -joliet -hide-joliet-list /tmp/kde-rik/k3bNRfE5b.tmp -full-iso9660-filenames -disable-deep-relocation -iso-level 2 -path-list /tmp/kde-rik/k3bNJjILb.tmp