Hi Chai, you're on the right track! Now, the segfault probably does not happen in "python-land", so pdb might not be the right tool. Try with gdb:
gdb --args python debug_qpsk.py .... run <press enter> .... program crashes backtrace <press enter> Best regards, Marcus On 23.11.2015 15:01, chai E wrote: > > 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 > > > > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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