growisofs doesn't check available space when using defect management on Blu-ray?

Hello,

I have dvd+rw-tools-7.1 (on openSUSE 11.3 x86-64). I tried writing
some files to a blu-ray disk (using k3b as a frontend to growisofs), but
write aborted near the end with:

---------------------------------
...
24749473792/24813379584 (99.7%) @1.7x, remaining 0:08 RBU 100.0% UBU 100.0%
24756846592/24813379584 (99.8%) @0.5x, remaining 0:07 RBU 100.0% UBU 100.0%
:-[ WRITE@LBA=b87400h failed with SK=5h/INVALID FIELD IN CDB]: Input/output error
:-( write failed: Input/output error
/dev/sr0: flushing cache
/dev/sr0: closing track
/dev/sr0: closing session
:-[ CLOSE SESSION failed with SK=5h/INVALID FIELD IN CDB]: Input/output error
---------------------------------

Writer: Pioneer BDR-205 (1.09 firmware).
Media: Some TDK 25 G disks.

The files were on a ntfs-3g-mounted partition, some of them were larger
than 7 gigs (if it makes any difference). I used UDF + RR.
The resulting disk was mountable, but most files contained some random
garbage.

Note that Nero under windows was able to write them (to a similar disk),
but didn't use any defect management.

Also, both k3b and Nero showed the remaining space as ~200 MB, k3b
apparently not taking into account the 250MB growisofs reserves.

So, my question is, why didn't growisofs detect that the files + reserved space
wouldn't fit to the media? Is this a bug? Or is it a different issue entirely?
I'm afraid of doing more tests as I have few disks left and I don't have BD-RE
disks yet (I'm getting them soon though).

I also tried writing fewer files (about 1 G free space left), and all went ok.

Commands as executed by k3b:

growisofs command:
/usr/bin/growisofs -Z /dev/sr0=/dev/fd/0 -use-the-force-luke=notray -use-the-force-luke=tty -use-the-force-luke=4gms -use-the-force-luke=tracksize:12115908 -speed=4 -use-the-force-luke=bufsize:32m

mkisofs calculate size command:
/usr/bin/genisoimage -gui -graft-points -print-size -quiet -volid Games br 01 -volset  -appid  -publisher  -preparer alex -sysid LINUX -volset-size 1 -volset-seqno 1 -sort /home/alex/.kde4/tmp-linux/k3bk21568.tmp -rational-rock -hide-list /home/alex/.kde4/tmp-linux/k3bE21568.tmp -joliet -joliet-long -hide-joliet-list /home/alex/.kde4/tmp-linux/k3bR21568.tmp -no-cache-inodes -allow-limited-size -udf -full-iso9660-filenames -hide-joliet-trans-tbl -iso-level 3 -path-list /home/alex/.kde4/tmp-linux/k3bV21568.tmp

mkisofs command:
/usr/bin/genisoimage -gui -graft-points -volid Test br 01 -volset  -appid  -publisher  -preparer alex -sysid LINUX -volset-size 1 -volset-seqno 1 -sort /home/alex/.kde4/tmp-linux/k3bB21568.tmp -rational-rock -hide-list /home/alex/.kde4/tmp-linux/k3bt21568.tmp -joliet -joliet-long -hide-joliet-list /home/alex/.kde4/tmp-linux/k3bE21568.tmp -no-cache-inodes -allow-limited-size -udf -full-iso9660-filenames -hide-joliet-trans-tbl -iso-level 3 -path-list /home/alex/.kde4/tmp-linux/k3bj21568.tmp


Thanks a lot in advance,
Alexander


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