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Re: [K12OSN] No Volume Control Elements and/or devices found

I still have problems using the attached file (as well as modifying the stock file). Just for kicks, I did a fresh K12LTSP 4.2.1EL install, which does not have the "No Volume Control" error. I took the 4.2.1EL /etc/gconf directory and used it to replace the /etc/gconf directory on a fresh K12LTSP 4.4.0 install. I created a new user, logged in, and got the "No Volume Control" error.

I've also tried Gideon's other suggestion of using gstreamer-properties
to set the input to OSS and the output to ESD. Not much success there
either (which is to be expected, as Gideon noted this does the same
thing as replacing the %gconf.xml)

The only way I can consistently eliminate this problem is by removing
the mixer from the panel by default:

	rm -rf /etc/gconf/gconf.xml.defaults/apps/panel/applets/mixer

Does anyone see removing the sound mixer from the panel by default to
be a show-stopper? The mixer doesn't work when you log in from a terminal,
only the server is affected. In previous versions, when you log in from
a terminal the mixer would silently error out and not load.

Any other ideas?


On Wed, 20 Jul 2005, Gideon Romm wrote:

Ah, attached is Ubuntu's file that goes here:


Replacing the default with the one attached, should change the default
system settings.


On Wed, 2005-07-20 at 15:25 -0400, Gideon Romm wrote:
OK, so I just had a chance to test on an FC4 box, and indeed, just
changing the gstreamer-properties (or under Preferences -> More
Preferences -> Multimedia Systems Selector) so that the Audio output was
ESD and the Audio input was OSS did the trick!  (I'm using esd on the
thin clients).  Sound came out as expected when I test the Audio Output
ESD test button.

(BTW:  For video to work properly on most thin clients, change the Video
Output under the Video tab to "Xwindows (No xv)")

Now, this wrote a configuration file in my user account, so this doesn't
seem to be system-wide.  The conf file is

There is a corresponding file in /etc/gconf/gconf.xml.defaults , but I'm
not sure exactly how to edit it.  I'll let you know once I google around
a bit.

Anyhow, since gstreamer is used for gnome and kde these days, this
should fix sound for most applications.

Now, if you use nasd....  I would try setting the Audio output to OSS,
but I'm an ESD kind of guy, so I'll leave that to the nasd fans...

Hope that helped,


On Wed, 2005-07-20 at 13:16 -0500, Mark Cockrell wrote:
Check and see if the sound server is enabled in Gnome....if it
is...disable it.  All it really does is produce the bings and bongs for
system alerts, but in my experience it will prevent many sound apps from
working at all.  Disable the sound server and then try...things may work
now (you may need to reboot).

I use nasd and IceWM and have had sound in Flash, all apps, all players,
and Firefox for quite some time now.  I have yet to try sound in K12LTSP
4.4, but I will the first week in August.  If you guys get something else
working...document it to save me the headache  *please?*

David N. Trask
Technology Teacher/Coordinator
Vassalboro Community School
dtrask vcsvikings org

Nope. The Gnome sound server is not turned on. Just for grins I turned in on. Still nothing. Anyone else have any ideas? I had sound working on 4.2 using NASD with Gnome, IceWM, and KDE. Same server, same terminal, no sound.

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