parrot/parrot_ivb failed audio_Microphone sometimes (<7%). arecord failed or hanged. I sshed into parrot and arecord also failed when I ran it. The failure started as early as M62.

parrot 10132.0.0:
http://ubercautotest.corp.google.com/tko/retrieve_logs.cgi?job=//results/156325395-chromeos-test/chromeos6-row2-rack4-host1

11/15 14:49:04.067 INFO |         cmd_utils:0220| [0001] Running: /usr/bin/arecord -d 3 -c 2 -f S16_LE -r 44100 -D plughw:0,0 /tmp/tmpqbhlrC
11/15 14:49:04.160 INFO |         cmd_utils:0230| [0001] pid is 17319
11/15 14:49:04.164 ERROR|         cmd_utils:0092| [0001] Recording WAVE '/tmp/tmpqbhlrC' : 
11/15 14:49:04.172 ERROR|         cmd_utils:0092| [0001] Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
11/15 14:49:04.177 ERROR|         cmd_utils:0092| [0001] 
11/15 14:49:14.168 ERROR|         cmd_utils:0092| [0001] arecord: pcm_read:2103: read error: Input/output error


parrot 10075.0.0:
http://ubercautotest.corp.google.com/tko/retrieve_logs.cgi?job=//results/152317601-chromeos-test/chromeos6-row2-rack3-host12
10/28 15:51:08.251 INFO |         cmd_utils:0220| [0001] Running: /usr/bin/amixer -c 0 controls
10/28 15:51:08.319 INFO |         cmd_utils:0230| [0001] pid is 10779
10/28 15:51:08.324 INFO |         cmd_utils:0220| [0002] Running: /usr/bin/arecord -l
10/28 15:51:08.382 INFO |         cmd_utils:0230| [0002] pid is 10780
10/28 15:51:08.389 INFO |         cmd_utils:0220| [0003] Running: /usr/bin/arecord -d 3 -c 1 -f S16_LE -r 44100 -D plughw:0,0 /tmp/tmptI0eiB
10/28 15:51:08.394 INFO |         cmd_utils:0230| [0003] pid is 10781
10/28 15:51:08.588 ERROR|         cmd_utils:0092| [0003] Recording WAVE '/tmp/tmptI0eiB' : Signed 16 bit Little Endian, Rate 44100 Hz, Mono
10/28 15:51:08.595 ERROR|         cmd_utils:0092| [0003]