Hi Gabriel, we have a fix on the way for this. Many thanks again for reporting this. Keep your eyes on master branch.
--M On Fri, Oct 8, 2021 at 8:41 AM Gabriel Lim <icyve...@hotmail.com> wrote: > Am re-posting my issue that I raised on the github here. > > Issue Description > > X310 with two TwinRX daughterboards, opening all 4 channels for receive > via a subdev spec of "A:0 A:1 B:0 B:1", and channels "0,1,2,3", results in > only the RX2 lights of both daughterboards turning on. Further > experimentation shows that the order in which the channels are selected > matters i.e. Doing A:RX1, A:RX2, B:RX2, B:RX1 (via GNURadio) results in > only the A:RX2 and B:RX1 lights being on. > > The recording itself was unaffected i.e. even though the LED was off, it > was still recording 4 channels correctly (tested with external signal > source plugged into each channel one by one). > > Issue did not occur when using UHD 3.15.0 (and subsequently also > re-flashing the FPGA for compatibility, so it may be the FPGA image that is > the cause). All lights turned on. > Setup Details > > UHD 4.0 and 4.1 were tested and were the culprits. FPGA versions were > whatever was required i.e. upon uhd_usrp_probe, if asked to re-flash due to > compatibility issues for that version, I did so. > > OS: Both Windows 10 and Ubuntu had the same issue. > Hardware: Has occurred on both my laptop (i7-8565UC) and my desktop (Ryzen > 5 1600x). > Expected Behavior > > All 4 LEDs should light up, as per the UHD 3.15.0 test. > Actual Behaviour > > Only the 2nd selected antenna for each TwinRX lights up (example in the > description at the start). > Steps to reproduce the problem > > Easiest way to reproduce is to run > > rx_multi_samples --rate 200000 --subdev="A:0 A:1 B:0 B:1" --channels 0,1,2,3 > > and observe the LEDs below the SMA ports. I also used GRC to hook up a UHD > Source to 4 outputs, with the same subdev config, and played around with > channel antennas. This allowed me to change the ordering to A:RX1, A:RX2, > B:RX2, B:RX1, which then showed that only the second antenna LEDs lit up > (in this case, A:RX2 and B:RX1). > Additional Information > > Nothing for now. > > _______________________________________________ > USRP-users mailing list -- usrp-users@lists.ettus.com > To unsubscribe send an email to usrp-users-le...@lists.ettus.com >
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