K3b - copy dvd or iso fails

[rbrown3rd]

I have used K3b a lot to copy CDs, DVDS, and isos but now I cannot. K3b fails with the following message:

System
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K3b Version: 1.0.4

KDE Version: 3.5.9
QT Version: 3.3.8b
Kernel:   2.6.24-19-generic
Devices
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SONY DVD RW DRU-510A 1.1a (/dev/scd0, ) [CD-R, CD-RW, CD-ROM, DVD-ROM, DVD-R, DVD-RW, DVD+R, DVD+RW] [DVD-ROM, DVD-R Sequential, DVD-RW Restricted Overwrite, DVD-RW Sequential, DVD+RW, DVD+R, CD-ROM, CD-R, CD-RW] [SAO, TAO, RAW, SAO/R96R, RAW/R96R, Restricted Overwrite]

Burned media
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DVD-R Sequential

Used versions
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growisofs: 7.0.1

growisofs
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Executing 'builtin_dd if=/dev/fd/0 of=/dev/scd0 obs=32k seek=0'
:-[ PERFORM OPC failed with SK=3h/ASC=73h/ACQ=03h]: Input/output error

growisofs command:
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/usr/bin/growisofs -Z /dev/scd0=/dev/fd/0 -use-the-force-luke=notray -use-the-force-luke=tty -use-the-force-luke=tracksize:364537 -dvd-compat -speed=1 -overburn -use-the-force-luke=bufsize:32m

Any suggestions?