[Pkg-alsa-devel] Bug#586150: alsa-lib: confmisc.c:768:(parse_card) cannot find card '0'

Tuco tuco.xyz at gmail.com
Wed Jun 16 20:52:55 UTC 2010


Package: libasound2
Version: 1.0.23-1

libasound has a funny way of saying that my user doesn't have the
necessary permissions (audio group) to access /dev/snd/

googling for this error returns many results for other kind of
problems, which makes it hard to figure out what's going on.

$ aplay audiodump.wav
Playing WAVE 'audiodump.wav' : Signed 16 bit Little Endian, Rate 44100
Hz, Stereo
^C

$ sudo sudo -u nobody aplay audiodump.wav
ALSA lib confmisc.c:768:(parse_card) cannot find card '0'
ALSA lib conf.c:4154:(_snd_config_evaluate) function
snd_func_card_driver returned error: No such file or directory
ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
ALSA lib conf.c:4154:(_snd_config_evaluate) function snd_func_concat
returned error: No such file or directory
ALSA lib confmisc.c:1251:(snd_func_refer) error evaluating name
ALSA lib conf.c:4154:(_snd_config_evaluate) function snd_func_refer
returned error: No such file or directory
ALSA lib conf.c:4633:(snd_config_expand) Evaluate error: No such file
or directory
ALSA lib pcm.c:2211:(snd_pcm_open_noupdate) Unknown PCM default
aplay: main:608: audio open error: No such file or directory





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