[mythtv-users] HDPVR severe stuttering 'Storage to Buffer' drops to nothing

[Jean-Yves Avenard]

Hi

On Monday, October 13, 2014, Gerald Brandt <gbr at majentis.com> wrote:

> Hi,
>
> I'm running 0.27 fixes (Mythbuntu).  A month or so ago, I sent an email to
> the list where I tried to figure out why my dual HDPVR/DC6200 system was
> suddenly giving severe dropouts and stutters in video (live tv and
> recordings).  The system had been running for years flawlessly.
>
> The first thing I did was replace the power supplies on the HDPVR's.  I
> finally got them in last week, and there were no changes.
>
> I then stopped using digital audio and went to a couple of RCA cables.  My
> issues dropped dramatically, for awhile.  Now the problem is back.
>
> Watching the playback info, the Storage to Buffer value becomes a dash
> '-'.  Shortly after, it comes back and the Buffer to decoder goes to
> nothing.  This results in up to a 20 second loss of video, and a stutter on
> audio.
>
>
>
Are you using a combined BE/FE? Are you streaming from the BE to the FE via
myth protocol and storage group?

In the later, data transfer stalls. Check your BE logs for clues. Dying
hard drive is usually the most likely culprit.
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