[mythtv-users] RingBuf error -- how to troubleshoot?

[David Novick]

--- Christopher Couples <ccouples at gmail.com> wrote:

> All,
> 
> I've been chasing my tail round and round all day. When I invoke 
> mythfrontend
> (latest svn build), this is what I see:
> 
> 2006-05-13 19:21:23.651 TV: Attempting to change from None to WatchingLiveTV
> 2006-05-13 19:21:23.659 Using protocol version 29
> 2006-05-13 19:21:32.251 RingBuf(/mnt/MythVIDEO/tv/1003_20060513192125.mpg):
> Invalid file (fd -1) when opening 
> '/mnt/MythVIDEO/tv/1003_20060513192125.mpg'.
> 2006-05-13 19:21:32.320 NVP::OpenFile(): Error, file not found:
> /mnt/MythVIDEO/tv/1003_20060513192125.mpg
> 2006-05-13 19:21:32.323 TV Error: StartPlayer(): NVP is not playing 
> after 20000
> msec
> 2006-05-13 19:21:32.481 TV Error: LiveTV not successfully started
> 
> This indicates some sort of RingBuf issue, right? Trouble is, the file 
> that's
> referenced _is_ where it's supposed to be, with permissions which should 
> allow
> mythtv to write to it.

Sounds like a very similar problem as mine.  Though I'm using different
hardware.


> So I want to diagnose this, but I'm not sure which of the -v options to 
> use to
> start to try and chase this down.
> 
> Can anyone help me, either with the switches, or the problem itself ;-)?
> 
> Thanks,

I used -v all, but that was way too much information.  I then tried -v
important on by my frontend and backend (started the backend in a shell) and
got this:

select timeout - ivtv driver has stopped responding
2006-05-13 19:36:30.054 TVRec(1): Changing from WatchingLiveTV to None

Which after some digging is a know problem with ivtv.


David Novick
dknovick at yahoo.com

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