W dniu 22.10.2017 o 12:04, Piotr Krysik via USRP-users pisze: > Hi all, > > I'm prepared a basic GNU Radio flow-graph that does simultaneous > transmission and reception (see the attachment). For USRP X310 and RFNOC > UHD (version above 3.10.x) soon after starting the flow-graph there is a > lot of buffer underflows (even for low sample rate like 1MS/s). For > pre-RFNOC UHD (3.9.6) everything works fine. > > What is a bit strange is that txrx_loopback_to_file UHD example works > fine for all versions of UHD. > > Is anybody here able to run GNU Radio flow-graphs with simultaneous tx > and rx on X310 with RFNOC UHD and without underflows? Little update: I've got the issue only on 10 gigabit ethernet interface. For the 1 gigabit one it works well. So it might be fault of my particular setup.
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