[mythtv-users] Error: Try to manually increase audio buffer with: echo 192 | sudo tee /proc/asound/card0/pcm1p/sub0/prealloc

Chris Porter hoodlum7 at gmail.com
Tue Apr 19 03:00:56 UTC 2011


On Mon, Apr 18, 2011 at 7:57 PM, Steven Adeff <adeffs.mythtv at gmail.com>wrote:

> anyone know whats going on with this error?
>
> ALSA, Error: Try to manually increase audio buffer with: echo 192 |
> sudo tee /proc/asound/card0/pcm1p/sub0/prealloc
> 2011-04-17 23:29:15.318 ALSA, Error: Unable to sufficiently increase
> ALSA hardware buffer size - underruns are likely
>
> --
> Steve
> http://www.mythtv.org/wiki/User:Steveadeff
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The user mythfrontend is running as does not have permissions to increase
the audio buffer. I suggest putting the line

echo 192 | sudo tee /proc/asound/card0/pcm1p/sub0/prealloc

into one of your startup scripts.

-- 
Working on World Domination since 2001
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