I wonder if it is a region code problem.  I've rarely seen any dvd 
authoring software that has a region code option on it.  I have seen 
region code options in dvdshrink but that's about it.  I would suggest 
trying it on another dvd drive just in case there's something going on 
with the drive that  gave you the message below.

On 9/12/2012 17:37, Dazed_75 wrote:
> Helping a Japanese friend trying to play a DVD her brother in Japan 
> made.  It plays in someone else's all region DVD player   We bought 
> her one too and today we tried it with no success.  I brought the DVD 
> home with me thinking I might be able to learn something with my Kinux 
> machine.  When I put it in I got this:
>
>
>
> and dmesg shows
>
> larry@hammerhead:~$ dmesg | tail
> [   50.798300] [UFW BLOCK] IN=virbr0 OUT= 
> MAC=01:00:5e:00:00:01:da:48:0c:9b:27:c4:08:00 SRC=0.0.0.0 
> DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2
> [  132.090169] UDF-fs: error (device sr0): __udf_read_inode: (ino 
> 1989838) failed !bh
> [  132.091448] UDF-fs: error (device sr0): __udf_read_inode: (ino 
> 1989837) failed !bh
> [  132.092650] UDF-fs: error (device sr0): __udf_read_inode: (ino 
> 1989836) failed !bh
> [  132.093885] UDF-fs: error (device sr0): __udf_read_inode: (ino 
> 1989835) failed !bh
> [  132.093893] UDF-fs: Failed to read VAT inode from the last recorded 
> block (1989838), retrying with the last block of the device (1989839).
> [  132.095153] UDF-fs: Filesystem marked read-only because writing to 
> pseudooverwrite partition is not implemented
> [  132.095180] UDF-fs: error (device sr0): udf_read_tagged: read 
> failed, block=2394887184, location=0
> [  132.095185] UDF-fs: warning (device sr0): udf_fill_super: No 
> fileset found
> [  175.959696] [UFW BLOCK] IN=virbr0 OUT= 
> MAC=01:00:5e:00:00:01:da:48:0c:9b:27:c4:08:00 SRC=0.0.0.0 
> DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2
> larry@hammerhead:~$
>
> Does anyone know if that DF PROTO means region 2 which includes 
> Japan?  Any other ideas I might try to learn what is going on?
>
> -- 
> Dazed_75 a.k.a. Larry
>
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