Re: Lost Sound from On-board Sound Card

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Le Tue, 23 Oct 2012 08:17:23 -0400,
"Stephen H. Dawson" <service@xxxxxxxxxxxx> a écrit :

> Clemens,
> 
> 
> Hi, thanks for taking the time to help me on this.  Attached is the
> CLI output you asked for. 

lspci found the sound card. What is not normal is:

$ modprobe snd-hda-intel
WARNING: Error inserting soundcore
(/lib/modules/3.2.0-32-generic/kernel/sound/soundcore.ko): Operation
not permitted

Apparently, you don't have the permission to load this module. You must
run this command as root, not as user.

Also, after running virtualbox, I guess as user and not as root, the
sound is working.

If running lsmod as root doesn't work, or running 

/etc/init.d/alsasound (re)start

as root doesn't work, but you get sound when running a virtual machine
as user, I would suspect that something is getting in the way of udev.
This something must be policy-kit. Maybe something else, but I don't
see what else can screw up udev and the permissions for loading this
module. If it is the case, I have no solution beside to take a look/ask
on the forum of your distribution.

Dominique


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