[mythtv-users] Blu-Ray and regular DVDs

[Andrew Burgess]

On Tue, 2009-05-12 at 14:44 -0700, Ryan Allen wrote:

>     My first problem is trying to play a regular DVD on the Blu-Ray
>     player, I get these errors in the log:
> 
>     May 11 01:48:17 myth kernel: [ 4213.344587] end_request: I/O error,
>     dev sr0, sector 65440
>     May 11 01:48:17 myth kernel: [ 4213.344600] Buffer I/O error on
>     device sr0, logical block 8180
...

>     May 11 01:48:17 myth kernel: [ 4213.425257] end_request: I/O error,
>     dev sr0, sector 65696
>     May 11 01:48:18 myth kernel: [ 4214.090238] UDF-fs: Partition marked
>     readonly; forcing readonly mount
>     May 11 01:48:18 myth kernel: [ 4214.123450] UDF-fs INFO UDF:
>     Mounting volume 'WALL_E', timestamp 2008/08/29 17:48 (1000)
>     May 11 01:48:25 myth kernel: [ 4221.450773] end_request: I/O error,
>     dev sr0, sector 2256

This may not be your problem but it looks like something was mounting
the dvd at the same time you were trying to play the raw device.

Maybe try putting in the dvd, wait for it to be mounted, unmount it and
then try to play with myth. Or find out what automounts it...