[pulseaudio-discuss] Sound Card Not Seen By PulseAudio (Intel HDAC C200)

Adam Tauno Williams awilliam at whitemice.org
Wed Apr 25 07:23:19 PDT 2012

On Tue, 2012-04-24 at 11:24 -0400, Adam Tauno Williams wrote: 
> On Mon, 2012-04-23 at 18:07 +0200, Paul Menzel wrote: 
> > Am Mittwoch, den 18.04.2012, 15:24 +0200 schrieb David Henningsson:
> > > On 04/18/2012 03:06 PM, Adam Tauno Williams wrote:
> > > > D: [pulseaudio] module-udev-detect.c: /dev/snd/controlC0 is accessible:
> > > > yes
> > > > D: [pulseaudio] module-udev-detect.c:
> > > > /devices/pci0000:00/0000:00:1b.0/sound/card0 is busy: yes
> > > This means that another process is hogging the sound card, so pulseaudio 
> > > can not access it. You can use the 'sudo fuser -v /dev/snd/*' command to 
> > > figure out what process that could be.
> > Good catch. I missed that. Adam, did you find a solution?
> If I create a new user and login, and start pulseaudio -vvvvv, then
> PulseAudio seems to be operational.
> The user of the workstation isn't in today, but I'll check what is
> locking the sound device when he comes back.   Although still puzzled
> why Pulse doesn't start initially.

So we rebooted, had the user login, run "pulseaudio -vvvvvvvvvv"
and .... now they get working PA!  So the question is just - why doesn't
it start in the first place.

Should it get fired up via d-bus when the user logs in, or should be be
registered somewhere for session startup? [this is a GNOME 3 box]
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