Sean Hefty wrote: >> OpenMPI uses rdma_bind_addr() to figure out which ip addresses are valid >> for which IB devices. This logic is now broken. Regardless of whether >> OpenMPI should use another method for determining which IP address >> belong to which interfaces, we should probably rethink whether we're >> breaking rdma-cm semantics in a bad way on a point release. >> > > The changes to the rdma_cm have been merged upstream. These were fixes > specifically to enable using the loopback address with RDMA devices. > > At first thought, we can extend enum ib_device_cap_flags to indicate if a > device > supports loopback capabilities or not. The rdma_cm could then skip over such > devices when dealing with a loopback address. > > - Sean >
But how can you determine _which_ rdma device should be used if and app binds to 127.0.0.1? I think this is busted... _______________________________________________ ewg mailing list ewg@lists.openfabrics.org http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ewg