Hii, Thank you for your help. That "DDDD" issue is not coming with original benchmark files. I added one python block in between the chain in benchmark code. I think due to which it was not fast enough to process the incoming data resulting "DDDD" issue.
Regards, Monika On Tue, Apr 5, 2016 at 11:51 PM, <mle...@ripnet.com> wrote: > What if you make the file "/dev/null" -- does this still happen? > > > > > > > On 2016-04-05 14:12, monika bansal wrote: > > Hii, > > I am running benchmark code and on the receiver side after receiving some > number of packets(8000 so), it starts showing overflow errors ("DDDD") on > terminal. > Following is the system configuration > > python benchmark_rx.py -f 1100M --args "addr=10.32.38.163" > --to-file=/home/ashokbandi/GNU/a_rx.txt --bandwidth=500000 > > Decreasing the bandwidth delays the error. > > I tried changing buffer size by setting net.core.rmem_max and > net.core.wmem_max to 33445532 but to no avail. > > > Following is the screen shot of terminal > > DDok: True pktno: 24116 n_rcvd: 9730 n_right: 9723 > DDDDDDDDok: True pktno: 24182 n_rcvd: 9731 n_right: 9724 > DDDDDDDDDDDDDDok: True pktno: 24319 n_rcvd: 9732 n_right: > 9725 > DDDDDDDDDDDDDDDDok: True pktno: 24442 n_rcvd: 9733 n_right: > 9726 > DDDok: True pktno: 24477 n_rcvd: 9734 n_right: 9727 > DDDDDDDDDok: True pktno: 24568 n_rcvd: 9735 n_right: 9728 > DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDok: > False pktno: 22729 n_rcvd: 9736 n_right: 9728 > > > Thanks > > _______________________________________________ > Discuss-gnuradio mailing > listDiscuss-gnuradio@gnu.orghttps://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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