[AG-TECH] linux audio mixer wierdness

Robert Olson olson at mcs.anl.gov
Fri Mar 22 09:07:27 CST 2002

Which audio card are you using?

At 09:58 AM 3/22/2002 -0500, bernholdtde at ornl.gov wrote:
>I now have a situation on my audio machine where every time I change
>rooms, I not only have to click "Talk" in RAT, but I also _have to_
>fiddle with the Linux audio mixer in order to get audio off my
>machine.  More specifically, in the mixer, I have to click the
>"Record" button for the "Line" input -- even if it is already
>clicked. (Equivalently, I can click "Record" for another input and
>then click back to "Line".)
>I don't know if there is a cause-effect relationship, but this
>behavior began yesterday, during an AG session when we were asked to
>run our audio through VTC because of a (known) multicast problem
>between ESnet and Abilene.  It also seems (I wasn't the op at the
>time) that two RATs may have been running for a while on this machine.
>Has anyone seen behavior like this before?  Its wierd, annoying, and
>kind of complex to explain to the less experienced node ops we have
>here.  I'd very much like to "fix" it.
>BTW, I'm running Linux 6.2 with OSS drivers, the standard linux audio
>mixer and standard AG software install.
>Thanks for any help!
>David E. Bernholdt                   |   Email: bernholdtde at ornl.gov
>Oak Ridge National Laboratory        |   Phone: +1 (865) 574 3147
>http://www.csm.ornl.gov/~bernhold/   |   Fax:   +1 (865) 574 0680
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