Cannot read back DVDs created by k3b

[Peter Kiem]

OK, here we go again.

I found that if I tried to burn DVD+Rs with k3b using files > 2GB then
everything seemed to work fine but the file when read back was truncated
to a few MB and unusable.

I made another DVD+R with the file split into 2GB chunks and it worked! 
I could read back the DVD, test the file OK and everything was sweet.

I made a second DVD+R and the system refused to mount it.
"mount: wrong fs type, bad option, bad superblock on /dev/cdrom,
       or too many mounted file systems"

I reloaded my first one and got the same problem!  Cannot read it back
either.   WTF?

Looking in /var/log/messages I see this when I have the DVDs in the
drive:
Jan  8 06:29:33 Peter kernel: attempt to access beyond end of device
Jan  8 06:29:33 Peter kernel: 0b:00: rw=0, want=34, limit=2
Jan  8 06:29:33 Peter kernel: isofs_read_super: bread failed, dev=0b:00,
iso_blknum=16, block=16
Jan  8 06:29:33 Peter kernel: attempt to access beyond end of device
Jan  8 06:29:33 Peter kernel: 0b:00: rw=0, want=34, limit=2
Jan  8 06:29:33 Peter kernel: isofs_read_super: bread failed, dev=0b:00,
iso_blknum=16, block=16
Jan  8 06:29:34 Peter kernel: attempt to access beyond end of device
Jan  8 06:29:34 Peter kernel: 0b:00: rw=0, want=34, limit=2
Jan  8 06:29:34 Peter kernel: attempt to access beyond end of device
Jan  8 06:29:34 Peter kernel: 0b:00: rw=0, want=626, limit=2
Jan  8 06:29:34 Peter kernel: attempt to access beyond end of device
Jan  8 06:29:34 Peter kernel: 0b:00: rw=0, want=514, limit=2
Jan  8 06:29:34 Peter kernel: UDF-fs: No partition found (1)
Jan  8 06:29:34 Peter kernel: attempt to access beyond end of device
Jan  8 06:29:34 Peter kernel: 0b:00: rw=0, want=34, limit=2

Any ideas?

Could this be cause I built the system with a CD-RW drive and later
replaced it with a DVD+RW drive and I need to change some system
parameter on the drive config?

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