[mythtv-users] Glitches in 250 and 350 recordings

[Brian Walter]

Chris Vargas wrote:
> I've recently started getting what I can only refer to as "glitches" in my PVR-250 and PVR-350 analog recordings. It's easier to show a picture than to describe them:
>
> http://home.comcast.net/~cvargas12/problem-example.jpg
>
> (yes, that's a Pokemon episode)
>
> It looks even worse during playback... it's like multiple scan lines are getting yanked to the side and a few lines above and below them are getting pulled a shorter distance along with them.
>
> I am also feeding two TVs from the same four-way splitter and neither of them show the problem when viewing the same channel that the PVRs are recording. Also, even more annoyingly, it comes and goes for a given channel... one recording might be really bad, the next one might have a few glitches, and the next one might be fine.
>
> I've upgraded to the latest ivtv (0.10.3 I think) with no elimination of the glitches.
>
> These are recorded glitches as I can transfer the recordings to another machine and see them.
>
> If anyone recognizes these as symptomatic of something, please let me know what I can try. Thanks.
>
>   
Anything in the messages log file from ivtv?  Or in the  backend log?

While the latest ivtv driver is *much* improved, there can still be time 
drift/dma errors if the system is doing heavy ivtv recording (at least 
in my experience...).

Brian