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The problem:
1.when installed only ALSA, 'arecord' working only first time after boot (I can record and playback my voice), when I run arecord second time it hangs and no recording.
2. When I install pulseaudion it hangs even from first time.
Here is alsa-info output http://www.alsa-project.org/db/?f=a43b0 … aee1596ec7
here is modprob.conf:
options snd-hda-intel model=intel-mac-auto enable_msi=1
Other sound works just fine, only built-in mic doesn't.
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It started to be working. Not sure what happened, but may be after latest linux kernel uprade, built-in mic started to work.
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