I receive the same error message from amixer and the other ALSA tools:
$ amixer
ALSA lib control.c:601:(snd_ctl_open_noupdate) Invalid CTL default
amixer: Mixer attach default error: No such file or directory
$ alsamixer
ALSA lib control.c:601:(snd_ctl_open_noupdate) Invalid CTL default
alsamixer: function snd_ctl_open failed for default: No such file or
directory
$ alsactl power
ALSA lib control.c:601:(snd_ctl_open_noupdate) Invalid CTL hw:0
alsactl: show_power:1116: snd_ctl_open error: No such file or directory
$ aplay -l
ALSA lib control.c:601:(snd_ctl_open_noupdate) Invalid CTL hw:0
aplay: device_list:195: control open (0): No such file or directory
aplay: conf.c:2901: snd_config_update_free: Assertion `update->count
> 0 && update->finfo' failed.
Aborted
Seems like there is a common theme here.
Some details about my system:
ALSA 0.9.0rc1
Red Hat 7.2/kernel 2.4.9-31
SoundBlaster Live! 5.1
from /etc/modules.conf:
options snd snd_device_mode=0660 snd_device_gid=502 snd_device_uid=0
(where 502 is my "audio" group, and my current user is a member of
this group)
I ran ./snddevices, and it completed successfully.
I verified that the owner/permissions in /proc/asound/dev match those
specified in /etc/modules.conf.
One more thing: when I run any of the programs listed above as "root",
they work perfectly fine.
Craig.
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