Hi, I am new to using GNUradio and the USRP hardware. I installed GNUradio, GRC and UHD on the E100. I have run the examples for the UHD and it is working without any problem. From the GNUradio examples, When I tried running the dial_tone.py, I get the following error: audio_alsa_sink[hw:0,0]: Device or resource busyTraceback (most recent call last): File "./dial_tone.py", line 55, in <module> my_top_block().run() File "./dial_tone.py", line 48, in __init__ dst = audio.sink (sample_rate, options.audio_output) File "/usr/local/lib/python2.6/site-packages/gnuradio/audio_alsa.py", line 329, in sink return _audio_alsa.sink(*args, **kwargs)RuntimeError: audio_alsa_sink Also,in python, the importing of modules is working:Python 2.6.5 (r265:79063, Dec 14 2010, 12:41:31) [GCC 4.5.2 20101204 (prerelease)] on linux2Type "help", "copyright", "credits" or "license" for more information.>>> from gnuradio import gr>>> from gnuradio import audio>>> When I go to System--> Preferences --> Sound, a window pops up that says 'Waiting for sound system to respond'. Does this mean that there is no sound system? How can I verify that my GNUradio install on the E100 is done right? Thanks,Divya.
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