[BUG IMX] Playback and capture occasionally fails

[iuliana-prodan]

Describe the bug
Playback and capture occasionally fails with Input/output error

To Reproduce
Run playback and capture simultaneously.
Or run the script below:

#!/bin/bash

test_aplay()
{
    while true
    do
        aplay -Dhw:1,0 -f S32_LE -c 2 -r 48000 -t raw test_play.wav
    done
}

test_arecord()
{
    while true
    do
        arecord  -Dhw:1,0 -f S32_LE -c 2 -r 48000 -d 5 test_record.pcm
    done
}

test_aplay &
test_arecord

Reproduction Rate
20%

Environment

1. Branch name and commit hash of the 2 repositories: sof (firmware/topology) and linux (kernel driver).
   • Kernel: 5.10
   • SOF: master, imx-stable-v1.5, imx-stable-v1.6.
2. Name of the topology file
   • Topology: sof-imx8qxp-wm8960.tplg, sof-imx8qxp-cs42888-mixer.tplg, sof-imx8mp-wm8960.tplg
3. Name of the platform(s) on which the bug is observed.
   • Platform: i.MX8QXP/i.MX8QM/i.MX8MP

Screenshots or console output

root@imx8qmmek:~# audio_dsp_sof.sh -t 4 -c wm8960 -f p -n 50
DSP_SOF_PLAY_RECORD_WORK_TOGETHER    0  TINFO  :  test 4: DSP_SOF_PLAY_RECORD_WORK_TOGETHER 
TINFO  :  Do full hardware capacity test 
TINFO  :  Do full hardware capacity test 
TINFO  :  Start audio test, please check the HEADPHONE,hear if there is voice.
TINFO  :  Audio TEST: Total 3 combinations of formats. 
TINFO  :  No.[1] Now playing audio stream with format S16_LE, channel 2,sample rate 48000
TINFO  :  Test #1: ADC record test. Headphone is need to check the voice and quality of recording.
TINFO  :  Audio TEST: Total 3 combinations of formats. 
TINFO  :  No.[1] Now Recording audio stream with format S16_LE, channel 2,sample rate 48000
TINFO  :  No.[2] Now playing audio stream with format S24_LE, channel 2,sample rate 48000
TINFO  :  No.[3] Now playing audio stream with format S32_LE, channel 2,sample rate 48000
TINFO  :  No.[2] Now Recording audio stream with format S24_LE, channel 2,sample rate 48000
TINFO  :  Start audio test, please check the HEADPHONE,hear if there is voice.
TINFO  :  Audio TEST: Total 3 combinations of formats. 
TINFO  :  No.[4] Now playing audio stream with format S16_LE, channel 2,sample rate 48000
TINFO  :  No.[5] Now playing audio stream with format S24_LE, channel 2,sample rate 48000
TINFO  :  No.[3] Now Recording audio stream with format S32_LE, channel 2,sample rate 48000
TFAIL  :  ltpapicmd.c:188: Test #1: Playing back audio48k24b2c_sle.pcm Failed on hw:1,0
Playing raw data '/tmp/tmpfs/tmp.jWsafwNfuh/audio48k24b2c_sle.pcm' : Signed 24 bit Little Endian, Rate 48000 Hz, Stereo
aplay: pcm_write:2061: write error: Input/output error
TINFO  :  No.[6] Now playing audio stream with format S32_LE, channel 2,sample rate 48000
TINFO  :  Test #1: ADC record test. Headphone is need to check the voice and quality of recording.
TINFO  :  Audio TEST: Total 3 combinations of formats. 
TINFO  :  No.[4] Now Recording audio stream with format S16_LE, channel 2,sample rate 48000
TFAIL: Audio Playback test fails in loop time 2
TFAIL: Test Failed on below file: audio48k24b2c_sle.pcm 
TGE_LV_DAC2    1  TFAIL  :  ltpapicmd.c:188: Test FAIL
^CTFAIL: Test #1: Recording audio48k16b2c_sle.pcm Failed on hw:1,0
Recording raw data '/tmp/tmpfs/tmp.Nzsd3l5HpA/audio48k16b2c_sle.pcm' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
Aborted by signal Interrupt...
^C^Caplay: no process found
arecord: no process found

root@imx8qmmek:~# ^C