Loading: "/home/j/gnuradio/gnuradio-examples/grc/audio/dial_tone.grc"
>>> Done

Showing: "/home/j/gnuradio/gnuradio-examples/grc/audio/dial_tone.grc"

Generating: "/home/j/gnuradio/gnuradio-examples/grc/audio/dial_tone.py"

Executing: "/home/j/gnuradio/gnuradio-examples/grc/audio/dial_tone.py"

Using Volk machine: sse4_2_64
/dev/dsp: No such file or directory
Traceback (most recent call last):
  File "/home/j/gnuradio/gnuradio-examples/grc/audio/dial_tone.py", line 125, in <module>
    tb = dial_tone()
  File "/home/j/gnuradio/gnuradio-examples/grc/audio/dial_tone.py", line 85, in __init__
    self.audio_sink = audio.sink(32000, "", True)
  File "/usr/local/lib/python2.7/dist-packages/gnuradio/audio/audio_swig.py", line 329, in sink
    return _audio_swig.sink(*args, **kwargs)
RuntimeError: audio_oss_sink