hello,today i got a problem,when i run the same grc with usrp b200 i got different result
the first result is the grc work well
the second result is the grc crashed,and i got the output
gr::log :INFO: packet_headerparser_b0 - Detected an invalid packet at item 0
******* MESSAGE DEBUG PRINT ********
#f
************************************
i want to konw why ,the same grc ,different output,and what is this message mean