ALSA error

If you get the following error then you need to add you user to the “audio” group.

usermod -a -G audio osaka

Once you have done this it should work, you may need to logout for it to take effect.

root@river:/home/osaka# sudo -u nobody aplay r106taq3.wav 
ALSA lib confmisc.c:768:(parse_card) cannot find card '0'
ALSA lib conf.c:4184:(_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:4184:(_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:4184:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:4663:(snd_config_expand) Evaluate error: No such file or directory
ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM default
aplay: main:660: audio open error: No such file or directory

17 Dec 2011 | Tags ( ALSA Linux sound user group )