aplay / alsaplayer - sound not working for normal user
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Try looking at the permission of /dev/dsp and /dev/snd/* . If you don't have read write permission on these files then no sound is possible.
Author by
Hannes
Updated on June 05, 2022Comments
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Hannes almost 2 years
I cannot use alsa as a normal user (resulting in me not having sound in chromium).
I am guessing it has something to do with permissions. Adding myself to group audio didn't help.
[zarac@towelie ~]$ grep audio /etc/group audio:x:92:mpd,zarac
Testing sound as normal user:
[zarac@towelie ~]$ aplay /usr/share/sounds/alsa/Noise.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:654: audio open error: No such file or directory [zarac@towelie ~]$
and as root...
[root@towelie zarac]# aplay /usr/share/sounds/alsa/Noise.wav Playing WAVE '/usr/share/sounds/alsa/Noise.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Mono [root@towelie zarac]#
Running the command 'aplay -l' as normal user:
[zarac@towelie ~]$ aplay -l aplay: device_list:235: no soundcards found...
and as root...
[root@towelie zarac]# aplay -l **** List of PLAYBACK Hardware Devices **** card 0: XFi [Creative X-Fi], device 0: ctxfi [Front/WaveIn] Subdevices: 6/8 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 Subdevice #7: subdevice #7 card 0: XFi [Creative X-Fi], device 1: ctxfi [Surround] Subdevices: 8/8 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 Subdevice #7: subdevice #7 card 0: XFi [Creative X-Fi], device 2: ctxfi [Center/LFE] Subdevices: 8/8 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 Subdevice #7: subdevice #7 card 0: XFi [Creative X-Fi], device 3: ctxfi [Side] Subdevices: 8/8 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 Subdevice #7: subdevice #7 card 0: XFi [Creative X-Fi], device 4: ctxfi [IEC958 Non-audio] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: Intel [HDA Intel], device 0: ALC889A Analog [ALC889A Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: Intel [HDA Intel], device 1: ALC889A Digital [ALC889A Digital] Subdevices: 1/1 Subdevice #0: subdevice #0
Any clues to what might be causing this is appreciated. Perhaps something needs to be chmodded somwhere?