Hi Wangpan, You had contacted us directly via supp...@ettus.com on this same issue, let's continue to debug through that channel and when the issue is resolved, I can update the mailing list with the result.
Regards, Nate Temple On Thu, Oct 17, 2019 at 4:55 AM 王盼 via USRP-users < usrp-users@lists.ettus.com> wrote: > Hello： > I got two n310s。I set up them follow the guide in > http://kb.ettus.com。I can run > “uhd_find_devices”and“uhd_usrp_probe”correctly。Then I want to test them use > the uhd/examples。I have seveal problems. > (1)One n310 can not run > "benchmark_rate"and"rx_samples_to_file"correctly. > I have tyied seveal times, but got diffrent errors,and I dont know what is > the problem.The file "benchmark_rate.log" is the log when i run " > benchmark_rate","rx_samples_to_file_first_time.log"is the log of my fist > time run "rx_samples_to_file","rx_samples_to_file_second_time.log" is the > second time. > > *[WARNING] [CORES] Timer loopback test failed!* > *[WARNING] [CORES] Expecting clock rate: 122.88 MHz* > *Approximate clock rate: 0 MHz* > * is the reason? * > (2) The other n310 run "benchmark_rate"and"rx_samples_to_file"correctly, > but can not run "txrx_loopback_to_file",but I got error: > *Please run: sudo sysctl -w net.core.wmem_max=6250000* > *Checking TX: all_los: unlocked ...* > *Error: AssertionError: lo_locked.to_bool()* > * in int _main(int, char**)* > * at /home/workarea-uhd/uhd/host/examples/txrx_loopback_to_file.cpp:471* > > the cmd is: > ./txrx_loopback_to_file \ > --tx-args "type=n3xx,addr=192.168.10.2,master_clock_rate=125e6" \ > --rx-args "type=n3xx,addr=192.168.10.2,master_clock_rate=125e6" \ > --file 73_n310_1_const_short.dat \ > --rx-rate 3.84e6 \ > --tx-rate 3.84e6 \ > --tx-freq 2400000 \ > --rx-freq 2400000 \ > --tx-gain 40 \ > --rx-gain 40 \ > --tx-subdev "A:0" \ > --rx-subdev "A:0" \ > --tx-channels "0" \ > --rx-channels "0" > > ./txrx_loopback_to_file \ > --tx-args > "type=n3xx,mgmt_addr=192.168.10.2,addr=192.168.10.2,master_clock_rate=125e6" > \ > --rx-args > "type=n3xx,mgmt_addr=192.168.10.2,addr=192.168.10.2,master_clock_rate=125e6" > \ > --file 73_n310_4_const_short.dat \ > --rx-rate 1250000 \ > --tx-rate 1250000 \ > --tx-freq 2400000 \ > --rx-freq 2400000 \ > --tx-gain 40 \ > --rx-gain 40 \ > --tx-bw 1000000 \ > --rx-bw 1000000 \ > --tx-subdev "A:0 A:1 B:0 B:1" \ > --rx-subdev "A:0 A:1 B:0 B:1" \ > --tx-channels "0,1,2,3" \ > --rx-channels "0,1,2,3" > > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >
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