Hello,
I'm using Gnuradio version: v3.7.2.1-62 and am facing a strange issue with message queuing. I wrote a testing "hier" block which holds 2 message blocks (source + sink). --------------- #create blocks msgq_in = gr.msg_queue(2) msgq_out = gr.msg_queue(2) msg_sink = blocks.message_sink(gr.sizeof_char, msgq_in, False) msg_source = blocks.message_source(gr.sizeof_char, msgq_out) #connect self.connect(self, msg_sink) self.connect(msg_source, self) --------------- The hier block run a thread which read messages from the message_sink and send them to message_source. Nothing more. The final flow graph is "File source" -> "Hier block" -> "File Sink" The full python code is here: http://pastebin.com/AfFhEGQ6 The problem: /tmp/source contains "abcdefghijklmnopqrstuvwxz0123456789" + new line: $ hexdump -C /tmp/source 00000000 61 62 63 64 65 66 67 68 69 6a 6b 6c 6d 6e 6f 70 |abcdefghijklmnop| 00000010 71 72 73 74 75 76 77 78 7a 30 31 32 33 34 35 36 |qrstuvwxz0123456| 00000020 37 38 39 0a |789.| When I run the Gnuradio script for a few seconds, I expect to found the following in /tmp/sink: $ head /tmp/sink abcdefghijklmnopqrstuvwxz0123456789 abcdefghijklmnopqrstuvwxz0123456789 abcdefghijklmnopqrstuvwxz0123456789 abcdefghijklmnopqrstuvwxz0123456789 abcdefghijklmnopqrstuvwxz0123456789 [...] However, from time to time, bytes are missing: $ grep -v abcdefghijklmnopqrstuvwxz0123456789 /tmp/sink abcdefghijklmnopqrstuvwxz012qrstuvwxz0123456789 abcdeqrstuvwxz0123456789 abcklmnopqrstuvwxz0123456789 abcdefghijklmnopqrstuvwxz01234stuvwxz0123456789 abcdefghijklmnopqrstuvwx Am I doing something wrong ? Thank you very much for your feedback. Regards, Jerome _______________________________________________ Discuss-gnuradio mailing list [email protected] https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
