Re: [Discuss-gnuradio] A problem with ALSA

[Frank Brickle]

Check the running processes. If there are any sound daemons such as esd
running, kill them and give it another try.

Frank

??? (Yuankai Ge) wrote:
> Hi,
>
> I'm also tring to making some sound out of the USRP box, however, even
> test with the most simple script to generate a dial tone given by
> http://www.gnu.org/software/gnuradio/doc/exploring-gnuradio.html
> the alsa seems can not work as expected. I could listen to music
> successfully under my Ubuntu 7.04 and gnuradio-alsa is successfully
> configured and compiled. I've checked some old maillist record to
> solve this problem but nothing helps. And I'm not using any music
> player at the same time when test the python script (Maybe my Ubuntu
> occupies it? I don't know....)
>
> Hope here someone encountered the same newbie question as mine~ ^_^
>
> ===========================================
>
> audio_alsa_sink[hw:0,0]: Device or resource busy
> Traceback (most recent call last):
> File "./dial_tone.py", line 20, in <module>
> fg = build_graph ()
> File "./dial_tone.py", line 13, in build_graph
> dst = audio.sink (sampling_freq)
> File "/usr/local/lib/python2.5/site-packages/gnuradio/audio_alsa.py",
> line 236, in sink
> return _audio_alsa.sink(*args)
> RuntimeError: audio_alsa_sink
>
>
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>


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