On Thu, Aug 25, 2016 at 3:26 PM, r...@open-mpi.org <r...@open-mpi.org> wrote: > > Check your IB setup, Michael - you probably don’t have UD enabled on it
is it off by default? we're running the default openib stack in rhel 6.7. i'm not even sure where to check for it being on/off, i've never had to specifically enable/disable UD before, i thought it was always the programs choice whether to run UD or RC
