[mythtv-users] Freezing/Pixelating

Hika van den Hoven hikavdh at gmail.com
Tue Mar 22 18:03:41 UTC 2016


Hoi Gabriel,

Tuesday, March 22, 2016, 12:45:06 AM, you wrote:

> While watching TV, the video on the remote frontend sometimes
> freezes or pixelates. This last time, I had to exit back to the main
> menu and go back in to the channel to continue watching because it
> just froze for way too long. Later, I looked at the logs on the
> backend and noticed this in the log about the same time it froze ...


> 2016-03-20 21:23:51.714882 E [1237/15792] ProcessRequest
> ringbuffer.cpp:1476 (ReadPriv) -
> RingBuf(/export/record/1711_20160321035209.mpg): ReadPriv(..524288,
> normal) -- timed out waiting for data (10011 ms)


> I have an HD Homerun Prime w/ Cablecard as my tuner and the Cable company is Charter.

> Does that error indicate the backend stopped receiving data from
> the HD Homerun Prime or the backend was unable to read from the file
> and stream it to the remote frontend, for 10011ms ?


> Other times I've had the video pixelate and lose about 2 or so
> seconds of video, and it'll go right back to playback with the
> following message in my logs as well:

> 2016-03-19 00:03:43.343580 W [2257/31376] ProcessRequest
> ringbuffer.cpp:1453 (ReadPriv) -
> RingBuf(/export/record/1704_20160319070218.mpg): ReadPriv(..524288,
> normal) -- waited 5726 ms for avail(65424) > count(524288)


> The video is on a RAID 5 array that is healthy and the SMART status
> of all 4 drives is good. So I don't believe I have a failing drive.


> I'm thinking an issue with the stream from the HDHomeRun Prime, but
> not really sure what those errors mean.



> Any help would be appreciated, thanks ...


It   means  you  have  a  bottleneck somewhere. Most probable are disk
(as  said),  network  (eg  an  incidental large file transfer or using
wifi,  I  use  a  dedicated 1Gb connection for my homerun) or database
(have you optimized it for mythtv?). 

Tot mails,
  Hika                            mailto:hikavdh at gmail.com

"Zonder hoop kun je niet leven
Zonder leven is er geen hoop
Het eeuwige dilemma
Zeker als je hoop moet vernietigen om te kunnen overleven!"

De lerende Mens



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