[pulseaudio-discuss] Anyone seen this problem: Cards show up but their sinks/sources do not.

[Lennart Poettering]

On Mon, 03.05.10 09:03, Colin Guthrie (gmane at colin.guthr.ie) wrote:

> Hi,
> 
> I come across this occasionally (usually when moving from home to my
> office where I have a USB speaker via a USB Hub.
> 
> The card itself is shown fine and lets me choose the profiles etc., but
> it refuses to actually load any sinks/source for it.
> 
> Changing profile doesn't seem to help kick it into gear and restarting
> PA is the only possible answer.
> 
> I suspect it's something odd relating to not unloading properly which in
> turn prevents loading again or something similar, but I can't reproduce
> it at will sadly, so hard to say.
> 
> I grabbed the attached debug.
> 
> Doesn't tell me much other than the card loads OK, but the sinks/sources
> do not. I've not picked at the code yet to discover potential failure
> points, but figured I'd ask here as a first step.
> 

The logs look as if the "off" profile is simply the one that is being
restored.

Could you reproduce this and the generated the debug output during a
profile switch that doesn't work? I.e. start up PA so that it is broken,
then begin logging, change the profile, stop logging. Then attach
logging here!

Lennart

-- 
Lennart Poettering                        Red Hat, Inc.
lennart [at] poettering [dot] net
http://0pointer.net/lennart/           GnuPG 0x1A015CC4