The same solution that works for E310 won't work for X310. The easiest fix will be to use a DDC block to reduce the sample rate ahead of the Split Stream block. The RFNoC bus cannot handle two full-rate streams on a single NoC port.
Nick On Thu, Jun 7, 2018, 2:44 AM Juan Francisco via USRP-users < usrp-users@lists.ettus.com> wrote: > Unfortunately I don't have a fix for this, but I have seen similar > behavior. I have only been able to get the SplitStream block on the first > run after an FPGA reconfiguration (or X310 power cycle). If you try > running the flowgraph a second time, it hangs and nothing gets through the > SplitStream. > > On Wed, Jun 6, 2018 at 7:05 PM, Peter Sanchez via USRP-users < > usrp-users@lists.ettus.com> wrote: > >> Hi All, >> >> I have a RFNoC Receiver --> Split stream --> x2 DDC blocks on the X310. >> I see a ton of overrun on chan 0 errors after adding the Split Stream >> block and GNU Radio Companion eventually crashes all together. >> >> >> I read about a similar problem on the E310 and the fix was to change the >> ce_clk to bus_clk in the rfnoc_ce_auto_inst ( >> http://lists.ettus.com/pipermail/usrp-users_lists.ettus.com/2017-February/023539.html >> ). >> I tried changing that in the rfnoc_ce_auto_inst_x310.v code and reflashed >> the FPGA but this didn't change the overrun errors. >> >> Any thoughts? >> Thanks! >> >> _______________________________________________ >> USRP-users mailing list >> USRP-users@lists.ettus.com >> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >> >> > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >
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