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Re: [Discuss-gnuradio] trouble reexecuting a microphone audio source

From: madengr
Subject: Re: [Discuss-gnuradio] trouble reexecuting a microphone audio source
Date: Thu, 11 Dec 2014 12:51:20 -0700 (MST)

Just a thought; when you stop your flow graph, are you using the big red X
button in the GRC menu bar (the improper method), or closing the WXGUI sink
window (the proper method)?  I was doing it the wrong way for quite some
time and that caused issues with hardware access. 


Thomas Early wrote
> I'm just getting started with grc but I am having problems already.
> I have a simple flow graph: an audio source with a device name "hw:1,0" 
> connected to a WX scope sink.
> hw:1,0 is my Logitech headset according to 'arecord -l'.
> The first time i run my flow graph after booting up, it works fine. After
> stoping 
> the flow graph, any subsequent time I try to run it, I get an error. I can
> only 
> clear the error by rebooting. Simply restarting grc is not enough.

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