On 26 nov 2012, at 13:43, Josh Blum <j...@ettus.com> wrote: > >> Even if I just run an example with UHD-->Null sink (that is without any >> rendering GUI) I get the exact same problem that samples stop coming after a >> short period of time. >> Or if I just try to save the samples to a file it stalls/stops and I can >> only save relative few samples. >> >> I think what Patrik describes in his responses is probably a different issue >> which I sometimes also have experienced, but relates to the GUI, not >> necessarily the UHD communication. >> In my case, the samples just stops coming from the device so I believe its >> UHD related. >> >> IMPORTANT NOTE: The green LED labeled C on the N210 goes from a steady ON >> (when samples are delivered) to suddenly OFF at the instant when samples >> stop coming to the host computer. >> Also, the large orange LED goes from a steady ON when samples are streamed >> to very rapidly blinking at the instant when samples stop coming. >> Finally, not until I abort the stalled application the fast blinking orange >> LED turns off completely again. >> > > > LED C means the DSP is in RX mode. If continuous streaming is on, 3 > things can cause this light to shutoff: > > 1) a stop streaming command packet (from issue stream command) > 2) overflow in the device. This never happens on the network devices > unless the sample rate is > 25e6 and the wire format is still sc16 > 3) ICMP destination unreachable packet. This usually comes when the > kernel sees that a destination socket is not open. > > I think you can eliminate 1 and 2. Can you confirm 3 with a wireshark run? >
Thanks. I will try but I am not so familiar with wireshark. Just briefly tried to use it but it was not trivial to set up, as I recall. / Rickard > -josh _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
