Forum: GNU Radio Newbie question: RuntimeError: audio_alsa_sink

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keval (Guest)
on 2007-07-09 06:05
(Received via mailing list)
Got gnuradio compiled, made, and actually ran the dialtone test last
However, when I attempted the same this morning, I got the following
(which, I have to say, I've gotten before but thought last night's test
Any thoughts?

  File "<stdin>", line 2, in <module>
  File "<stdin>", line 7, in build_graph
  File "/usr/lib/python2.5/site-packages/gnuradio/", line
in sink
    return _audio_alsa.sink(*args)
RuntimeError: audio_alsa_sink

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Johnathan C. (Guest)
on 2007-07-09 18:12
(Received via mailing list)
keval wrote:

>   File "/usr/lib/python2.5/site-packages/gnuradio/", line 228,
> in sink
>     return _audio_alsa.sink(*args)
> RuntimeError: audio_alsa_sink

The error reporting is unfortunately not as specific as it could be.

In my experience, the most frequent cause of the above is that the sound
card is in use by some other application, possibly a previous run of a
GNU Radio application that didn't exit cleanly.

Johnathan C.
Corgan Enterprises LLC
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