Why doesn't growisofs work any more?

I've been running Debian Testing (Etch at present) with kernel 2.4.27 for
a number of years without problems until my last upgrade.

K3b disappeared from Testing some time ago and I think I've been waiting
about 6 months for it to reappear which it did a short while ago. I did a
dist-upgrade and found a number of problems of which this is one.

K3b fails when trying to write a DVD from an .iso file. This appears to
be a growisofs problem and growisofs also fails from the command line with
the same error.

This is from k3b:
=======================================================================
System
-----------------------
K3b Version: 0.12.15

KDE Version: 3.5.2
QT Version: 3.3.6
Kernel: 2.4.27
Devices
-----------------------
ASUS DRW-1608P2S 1.37 (/dev/sr0, /dev/sg1) at /cdrom [CD-R; CD-RW; CD-ROM; DVD-ROM; DVD-RAM; 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 Double 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
-----------------------
growisofs: 6.1

growisofs
-----------------------
Executing 'builtin_dd if=/mnt/storage/makedvd/newdvd.iso of=/dev/sr0 obs=32k seek=0'
:-( write failed: Invalid argument

growisofs command:
-----------------------
/usr/bin/growisofs -Z /dev/sr0=/mnt/storage/makedvd/newdvd.iso -use-the-force-luke=notray -use-the-force-luke=tty -use-the-force-luke=dummy -dvd-compat -speed=4 -overburn -use-the-force-luke=bufsize:32m
=======================================================================

I can use dvdrecord without problems although it says my drive doesn't
support TAO which it apparently does (k3b recognises that).

I haven't seen other people complaining that growisofs doesn't work so
what could the problem be?

k3b also caused a total lockup when I tried to copy a DVD that I had made
previously. From what I remember the lockup occurred the instant it
started copying. I had to power off to get the system restarted as even
the magic sysrq keys wouldn't work.

Help with this would be very welcome.

--
Barry Samuels
http://www.beenthere-donethat.org.uk - The Unofficial Guide to Great Britain

My real email address is barry (AT) realbritain (DOT) f2s (DOT) com

.

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