hello all i followed the http://gnuradio.org/doc/doxygen/classgr_1_1digital_1_1diff__decoder__bb.html and write the same grc on e310, when i run it ,i got no GUI show , then i run the python file generated by this grc in command window,
./debug_qpsk.py i got a output message Using Volk machine: neon_hardfp Segmentation fault then i use pdb to debug this python file i set a breakpoint before just like ,then run step by step ,and run into the function called by tb.start, i got I hope someone can know what does it mean，what the matter that cause the Segmentation fault thank you --Ekko
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