kde stops seeing Xonar Exxence soundcard

Jogchum Reitsma j.reitsma at concepts.nl
Tue May 21 15:49:56 BST 2013

Op 21-05-13 01:10, Duncan schreef:
> Jogchum Reitsma posted on Mon, 20 May 2013 20:18:46 +0200 as excerpted:
>> I have no idea why, but suddenly kde fails to see my Xonar Essence sound
>> card.
>> Yast (I'm running opensuse 12.2 on this box) still has it registered as
>> the default sound card, and when playng a test sound through Yast, it
>> works. So it's not a hardware problem.
>> But kde doesn't see it anymore, it's not listed anymore when configuring
>> kmix. It did so for, well, at least over a year...
> That's typically a problem with your phonon configuration or the phonon-
> backend used.
> These are configured in kde settings (accurate kde3 name kcontrol,
> inaccurate kde4 name system settings, inaccurate because they're mostly
> user-specific kde settings, NOT global system settings, but I believe
> OpenSuSE calls them something else again...), hardware, multimedia,
> phonon.
> The left tab, device preferences, lets you configure for each "sound
> role" the device priority stacking order.  Try testing each one, and move
> the working ones to the top, then when you have the order you want, hit
> the apply device list to... button, and chose the other roles you want to
> apply it to as well.
> If you're unhappy with the available list of devices and/or if you have
> problems with devices disappearing and "new" ones popping up for no
> reason, as I did back some time ago with the now deprecated phonon-xine
> backend, consider switching backends.  I use the phonon-vlc backend here
> and haven't had problems since I switched from phonon-xine to it, but the
> default and now phonon-recommended backend is phonon-gstreamer.
> (FWIW, I don't use the gstreamer backend here as many years and ancient
> crufty versions ago I had problems with gstreamer, and haven't had it on
> my system since.  I'm sure it works much better now than it did back
> then, but there's a whole gstreamer ecosystem to install (which would
> mean building them first, since I'm on gentoo) if I decided to try it,
> and there have always been other alternatives that worked fine, so I've
> never gotten around to trying it.)
I did take a look in the so-called KDE System settings on the tab you 
mention, but the Xonar isn't mentioned there too...

I'll upgrade to 12.3 and see what happens then.

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