this has been discussed before, but i cant find the solution... im wondering if there is options i need to pass to grc to make it more resposive while running. A simple grc flowgraph connecting a USRP source to a FFT sink works fine, but is unresponsive to any input, eventually ubuntu will pop up a "NOT RESPONDING" windows and let me kill the process. when i run usrp_fft.py It works fine, letting me change options, gain and able to close. What do i need to add to my simple GRC program to allow user input?
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