I can confirm this bug. Here is my output. System ----------------------- K3b Version: 1.0.3 KDE Version: 3.5.8 QT Version: 3.3.7 Kernel: 2.6.22-14-generic Devices ----------------------- HL-DT-ST CDRW/DVD GCCH10N C101 (/dev/scd0, ) [CD-R, CD-RW, CD-ROM, DVD-ROM] [DVD-ROM, CD-ROM, CD-R, CD-RW] [SAO, TAO, RAW, SAO/R96P, SAO/R96R, RAW/R16, RAW/R96P, RAW/R96R] K3bIsoImager ----------------------- mkisofs print size result: 190232 (389595136 bytes) Pipe throughput: 34816 bytes read, 34816 bytes written. Used versions ----------------------- mkisofs: 1.1.6 cdrecord: 1.1.6 cdrecord ----------------------- /usr/bin/wodim: Operation not permitted. Warning: Cannot raise RLIMIT_MEMLOCK limits.scsidev: '/dev/scd0' devname: '/dev/scd0' scsibus: -2 target: -2 lun: -2 Linux sg driver version: 3.5.27 Wodim version: 1.1.6 SCSI buffer size: 64512 Beginning DMA speed test. Set CDR_NODMATEST environment variable if device communication breaks or freezes immediately after that. TOC Type: 1 = CD-ROM Driveropts: 'burnfree' Device type : Removable CD-ROM Version : 5 Response Format: 2 Capabilities : Vendor_info : 'HL-DT-ST' Identification : 'CDRW/DVD GCCH10N' Revision : 'C101' Device seems to be: Generic mmc2 DVD-ROM. Current: 0x0009 (CD-R) Profile: 0x000A (CD-RW) Profile: 0x0009 (CD-R) (current) Profile: 0x0008 (CD-ROM) Profile: 0x0010 (DVD-ROM) Profile: 0x002B (DVD+R/DL) Using generic SCSI-3/mmc CD-R/CD-RW driver (mmc_cdr). Driver flags : MMC-2 SWABAUDIO BURNFREE Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R RAW/R16 RAW/R96P RAW/R96R Drive buf size : 1266496 = 1236 KB FIFO size : 12582912 = 12288 KB Speed set to 8450 KB/s Track 01: data 371 MB Total size: 426 MB (42:16.42) = 190232 sectors Lout start: 427 MB (42:18/32) = 190232 sectors Current Secsize: 2048 ATIP info from disk: Indicated writing power: 4 Is not unrestricted Is not erasable Disk sub type: Medium Type A, low Beta category (A-) (2) ATIP start of lead in: -12508 (97:15/17) ATIP start of lead out: 359845 (79:59/70) Disk type: Short strategy type (Phthalocyanine or similar) Manuf. index: 22 Manufacturer: Ritek Co. Blocks total: 359845 Blocks current: 359845 Blocks remaining: 169613 Starting to write CD/DVD at speed 48.0 in real SAO mode for single session. Last chance to quit, starting real write in 2 seconds. 1 seconds. 0 seconds. Operation starts. /usr/bin/wodim: Caught interrupt. Waiting for reader process to fill input buffer ... BURN-Free was never needed. /usr/bin/wodim: fifo had 0 puts and 0 gets. /usr/bin/wodim: fifo was 1 times empty and 0 times full, min fill was 0%. cdrecord command: ----------------------- /usr/bin/wodim -v gracetime=2 dev=/dev/scd0 speed=48 -dao driveropts=burnfree -eject -data -tsize=190232s - mkisofs ----------------------- 190232 I: -input-charset not specified, using utf-8 (detected in locale settings) Size of boot image is 4 sectors -> Emulating a hard disk /usr/bin/genisoimage: Warning: boot image '/tmp/kde-wpearson/k3b8QFlab.tmp' MBR is not a boot sector. Warning: partition not marked active. Warning: partition does not start at 0/1/1. Warning: image size does not match geometry (1549841) /usr/bin/genisoimage: Boot image '/tmp/kde-wpearson/k3b8QFlab.tmp' has multiple partitions. mkisofs calculate size command: ----------------------- /usr/bin/genisoimage -gui -graft-points -print-size -quiet -volid W2SFPP_EN -volset -appid K3B THE CD KREATOR (C) 1998-2006 SEBASTIAN TRUEG AND THE K3B TEAM -publisher -preparer -sysid LINUX -volset-size 1 -volset-seqno 1 -sort /tmp/kde-wpearson/k3bWrRrYb.tmp -rational-rock -hide-list /tmp/kde-wpearson/k3botgOfc.tmp -joliet -joliet-long -hide-joliet-list /tmp/kde-wpearson/k3bcqdxWa.tmp -no-cache-inodes -full-iso9660-filenames -iso-level 2 -path-list /tmp/kde-wpearson/k3bCA4aOb.tmp -eltorito-boot boot/w2kboot.bin -hard-disk-boot -eltorito-catalog boot/boot.catalog mkisofs command: ----------------------- /usr/bin/genisoimage -gui -graft-points -volid W2SFPP_EN -volset -appid K3B THE CD KREATOR (C) 1998-2006 SEBASTIAN TRUEG AND THE K3B TEAM -publisher -preparer -sysid LINUX -volset-size 1 -volset-seqno 1 -sort /tmp/kde-wpearson/k3bZFCOwb.tmp -rational-rock -hide-list /tmp/kde-wpearson/k3bdyMhMb.tmp -joliet -joliet-long -hide-joliet-list /tmp/kde-wpearson/k3bq68Xgc.tmp -no-cache-inodes -full-iso9660-filenames -iso-level 2 -path-list /tmp/kde-wpearson/k3b3DZQuc.tmp -eltorito-boot boot/w2kboot.bin -hard-disk-boot -eltorito-catalog boot/boot.catalog