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 <perex@xxxxxxxx> Linux Sound Maintainer; ALSA Project; Red Hat, Inc.
