> Opppps, sorry, I have forgotten to say that as root I have sound, but not
> as user, altough user is in audio group. I tried now to remove my personal
> configuration ( ~/.asounrc ) and reboot, but nothing. Demostration sound
> reproduction as user and as root:
[...]
> [AO_ALSA] Playback open error: Permission denied
> Could not open/initialize audio device -> no sound.
> Audio: no sound
> Video: no video
Sorry if I am guessing wrong here, but it looks like a problem I once
had when installing ALSA without Debian package management. You clearly
have a permissions problem ("Permission denied"), but the solution to this
was not obvious to me.
In my case, I found that only the root user had access to the files in
/usr/share/alsa, and I needed to extend read permission for all the files
in that directory to my regular users. You can check to see if the
permissions are good with something like this:
ls -lR /usr/share/alsa |more
Make sure the files have permissions like this,
-rw-r--r--
and the dirs have permissions like this,
drwxr-xr-x
If the permissions are wrong, something like this might fix it:
chmod -R u+r /usr/share/alsa
Your problem may be something else entirely, but it reminds me of the
time when I had this kind of permissions mixup.
HTH,
Dave W.
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