With Linux-libre 4.19.25-gnu x86_64
$ mpv test.wav
Playing: test.wav
(+) Audio --aid=1 (pcm_s16le)
[ao/alsa] Unable to set buffer time near: Invalid argument
AO: [alsa] 44100Hz mono 1ch s16
A: 00:00:27 / 00:00:30 (92%)
Exiting... (End of file)
[ao/alsa] Write error: Broken pipe
[1]+ Stopped mpv test.wav
$ mpv test.wav
Playing: test.wav
(+) Audio --aid=1 (pcm_s16le)
[ao/alsa] Playback open error: Device or resource busy
[ao/oss] Can't open audio device /dev/dsp: No such file or directory
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for 4294967295,
skipping unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for 4294967295,
skipping unlock
[ao/jack] cannot open server
couldn't open play stream: Device or resource busy
[ao/sndio] can't open sndio default
[ao] Failed to initialize audio driver 'sndio'
Could not open/initialize audio device -> no sound.
Audio: no audio
: 00:00:00 / 00:00:30 (0%)
Exiting... (Errors when loading file)
