simultaneous playback and capture will cause Input/output error #263
Description
Summary:
When simultaneous playback and capture end, input/output error will occur.
This issue is moved from firmware issue thesofproject/sof#180
Reproduce step:
test@test-CannonLake:~$ aplay -D hw:0,0 -c 2 -r 48000 -f s16_le /dev/zero -d 5 & arecord -D hw:0,0 -c 2 -r 48000 -f s16_le /dev/null -d 5
[1] 1611
Recording WAVE '/dev/null' : Signed 16 bit Little Endian, Playing raw data '/dev/zero' : Signed 16 bit Little Endian, Rate 48000 Hz, Rate 48000 Hz, Stereo
Stereo
arecord: pcm_read:2103: read error: Input/output error
[1]+ Done aplay -D hw:0,0 -c 2 -r 48000 -f s16_le /dev/zero -d 5
input/output error can reproduce every time.
Test env:
sof-master: 9b376d7
soft-master: 937032
kernel debug/v4.19-backport: 925637e
Log:
sof-logger doesn't work due to firmware issue thesofproject/sof#551
dmesg.log