[mythtv-users] RingBuf Error - mythfrontend looking for wrong file during LiveTV AND playing recordings

Dave dave at optionsdsl.ca
Wed Sep 12 02:35:13 UTC 2007


Mathias Smith wrote:
> Any advice or insight most appreciated...
>
> I'm using a combined FE/BE with latest 0.20.2, but this also applies
> to 0.20.0. Ran smooth for several months on FC6. Then, I tried
> MythDora 4. It worked well, but I would occasionally get a frontend
> "Error displaying video" error while watching LiveTV. Whenever this
> occurred it was always exactly on the half-hour or the hour. Then, I
> installed latest 0.20.2 on Ubuntu Feisty a couple days ago, and I'm
> having the same problems. Mythfrontend stderr looks like:
>
> ...
> 2007-09-09 07:30:06.327 RingBuf(/var/lib/mythtv
> /recordings/1021_20070908070000.mpg): Invalid file (fd -1) when
> opening '/var/lib/mythtv/recordings/1021_20070908070000.mpg'.
> 2007-09-09 07:30:07.982 NVP, Error: SwitchToProgram's OpenFile failed
> ...
>
> Last night, I also noticed this happens with trying to playback a
> previously recorded show. When I went to play the show, I also got the
> same ringbuf error listed above. Interestingly enough, the show WAS
> recorded, but under a slightly different filename.
>
> Mythfrontend was looking for:
> /var/lib/mythtv/recordings/1021_20070908070000.mpg
>
> But, the show was dutifully recorded in its entirety in:
> /var/lib/mythtv/recordings/1021_20070908070430.mpg
>
> I looked in the database, and indeed the entry for the recording had a
> different filename than that on the disk. Why would mythbackend log
> the filename in mysql with a different string than the filename that
> gets written to the disk?
>
> I can send any listings or specs that would be helpful...
>
> Thanks,
> Mathias
> ------------------------------------------------------------------------
>
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>   


Its a known bug. 
http://svn.mythtv.org/trac/ticket/2335



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