Hi, Jason Gunthorpe I have noticed that you have integrated infiniband_diags in the new rdma-core repo. I want to try to using it in RoCE. it is fail. the print as flows: roo root@(none)# ./ibaddr -g 0 ibwarn: [1054] mad_rpc_open_port: client_register for mgmt 1 failed Failed to open (null) port 0 I found through process analysis that it needs ca to support IB_QPT_SMI. I understand that if hca does not support SMI, then we will not be able to use infiniband_diags tool? Thanks Lijun Ou