kde stops seeing Xonar Exxence soundcard

[Jogchum Reitsma]

Op 21-05-13 07:29, torsten at tfrey.de schreef:
> Am 21.05.2013 01:10, schrieb Duncan:
>> 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.)
>>
>
> My advice is to upgrade to opensuse 12.3, which I personally consider 
> as "rock stable". Some minor problems just disappeared.

I'll do that, but it is strange a sound card disappears from KDE, while 
it is still available for Yast...

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