I build in with the OAI gNB, with the USRP N310 even on gNB, with instructions uhd_find_devices can find USRP, uhd_usrp_probe also is able to run normally, in running
Oai @ oai - System - the Product - Name: ~/openairinterface5g/cmake_targets/ran_build/build $sudo./nr - softmodem - O ~/openairinterface5g/the targets/PROJECTS/GENERIC - LTE - EPC/CONF/GNB band78. Tm1.106 lm-prb. Usrpn300. Con
, it has been an error
[HW] UHD version 3.15.0. HEAD - 0 - gaea0e2de (3.15.0)
[HW] No USRP Device Found.

An Assertion (ret==0) failed!
In ru_thread ()/home/oai/openairinterface5g/executables/nr - ru. C: 1475
Always connect to a local radio

Exiting execution
Have bosses encountered similar problems, ask how to solve ah!