<br><br>On Saturday, March 1, 2014, Mike Carron <<a href="mailto:jmcarron@starstream.net">jmcarron@starstream.net</a>> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<font size="+1"><font face="Times New Roman">After several months of
normal operation, one FE (a Zotac ZBOX AD-03 with Mythbuntu
12.04 0.25/fixes) suddenly dropped sound completely while watching
live tv. Checking the log produced 4 errors together at the time
when the sound was dropped:<br>
ALSA: Setting hardware audio buffer size to 128<br>
ALSA: Error opening /proc/asound/card0/pcm3p/suub0/prealloc:
Permission denied.<br>
ALSA: Try to manually increase audio buffer with: echo 128 |
sudo tee /proc/asound/card0/pcm3p/sub0/prealloc<br>
ALSA: Unable to sufficiently increase ALSA hardware buffer size
- underruns are likely</font></font></div><div text="#000000" bgcolor="#FFFFFF"><font size="+1"><font face="Times New Roman"><br>
<br>
I can restart the FE and the same scenario will repeat, some
amount of time with completely normal sound followed by silence.
Those 4 items will be in the log at the exact time the sound
fails.<br>
<br>
If someone is familiar with this situation and can offer
suggestions that would be great.<br>
<br>
</font></font></div></blockquote><div><br></div><div>Those messages are harmless. You can ignore them. </div><div><br></div><div>Make sure the audio device didn't change in the settings, and that it's not muted using the alsa-mixer utility</div>
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