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Digi+: device or resource is busy – HiFiBerry
https://support.hifiberry.com/hc/en-us/community/posts/201846261-Digi-device-or-resource-is-busy#:~:text=If%20the%20card%20is%20listed%20with%20aplay%20-l,are%20still%20parts%20from%20your%20old%20installation%20active.
display - Aplay audio open error:Device or resource busy ...
https://askubuntu.com/questions/1275836/aplay-audio-open-errordevice-or-resource-busy
Result : robotik@robotik:~/Desktop$ sudo aplay output.wav Home directory not accessible: Permission denied ALSA lib pcm_dmix.c:1052: (snd_pcm_dmix_open) unable to open slave aplay: main:788: audio open error: Device or resource busy robotik@robotik:~/Desktop$ sudo aplay output.wav Home directory not accessible: Permission denied Playing WAVE ...
audio open error: Device or resource busy · Issue #1 ...
https://github.com/matrix-io/google-assistant-matrixio/issues/1
sudo killall -9 arecord works. my device is listening. Then I stopped the recording. And if I again wish to record, it was shoowing this error: arecord: main:828: audio open error: Device or resource busy. So the above command worked fine.
alsa调试成功_Robinzg的专栏-CSDN博客
https://blog.csdn.net/Robinzg/article/details/5915017
aplay: main:608: audio open error: Device or resource busy 出现这样的错误是因为从设备hw:0,0 已被占用。 这个接口正是被Android 所占用的。
[SOLVED] ALSA: device or resource is busy / Multimedia and ...
https://bbs.archlinux.org/viewtopic.php?id=116042
Not using .asoundrc file. No JACK, Pulse or anything - pure alsa. So far it's narrowing down to alsa "Device or resource busy" issue, but i can't figure out what is it busy with There's no other apps using alsa at the time of testing. I also …
Digi+: device or resource is busy – HiFiBerry
https://support.hifiberry.com/hc/en-us/community/posts/201846261-Digi-device-or-resource-is-busy
Your normal user just might not have permissions to access the sound subsystem. If the card is listed with aplay -l as root, that's ok. The "Device or resource busy" shows that some other process is blocking the sound subsystem. Maybe there are still parts from your old installation active.
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