On 11. 08. 21 14:36, Muni Sekhar wrote:
> Hi All,
>
> $ cat /proc/asound/cards
> 0 [USB ]: USB-Audio - Plantronics .Audio 628 USB
> Plantronics Plantronics .Audio 628 USB at
> usb-0000:00:14.0-2, full speed
>
> I am using a Plantronics USB Audio headset.
>
> $ arecord --device hw:0,0 --channels 2 --format S16_LE --rate 44100Hz x.wav
> arecord: main:722: audio open error: Device or resource busy
>
>
> 'arecord' command always fails the first time after system boot in my
> system. But subsequent execution of the 'arecord' command runs fine.
>
>
> I've attached the strace log for the "audio open error: Device or
> resource busy" failure. Is there any fix available for this issue?
You may check which other task blocks the PCM device:
lsof /dev/snd/pcmC0D0c
I guess that it will be pulseaudio (device enumeration).
Jaroslav
--
Jaroslav Kysela <pe...@perex.cz>
Linux Sound Maintainer; ALSA Project; Red Hat, Inc.
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