I was indeed using 127.0.0.1, I changed the address to the interfaces IP instead and it worked. Your advice was helpful! On Thu, May 16, 2024 at 10:48 PM Konstantin Taranov <kotaranov@xxxxxxxxxxxxx> wrote: > > > When attempting to call rdma_create_ep in active mode with the loopback > > address obtained by rdma_getaddrinfo, -1 is returned with ENODEV errno(). > > What do you call a "loopback address"? > > Note, you cannot use 127.0.0.1 as there is no RDMA device behind this IP. > You can run "ibv_devinfo -v" and use any IP listed in the GID table for a loopback experiment. > > - Konstantin
