[mythtv-users] Sudden audio problem
jmcarron at starstream.net
Sat Mar 1 00:41:40 UTC 2014
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:
ALSA: Setting hardware audio buffer size to 128
ALSA: Error opening /proc/asound/card0/pcm3p/suub0/prealloc: Permission
ALSA: Try to manually increase audio buffer with: echo 128 | sudo tee
ALSA: Unable to sufficiently increase ALSA hardware buffer size -
underruns are likely
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.
If someone is familiar with this situation and can offer suggestions
that would be great.
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