On Mon, Jul 29, 2019 at 01:32:33PM +0000, Jankowski, Robert wrote: > Hi, > > I have an issue with running RDMA server on kernel 4.20 or > 5.1. Everything works on kernel 4.15 on the same host machine. With > libfabric members we found that there are low-level infiniband > errors. Example ib_write_bw command returned: > > $ /usr/bin/ib_write_bw -d mlx5_0 > ************************************ > * Waiting for client to connect... * > ************************************ > Couldn't get device attributes > Unable to create QP. > Failed to create QP. > Couldn't create IB resources > > > Full thread you can read here: https://github.com/ofiwg/libfabric/issues/5149 Don't use MOFED userspace with an upstream kernel release. Jason
