Hello Faraz. Please start by running this command ompi_info On Tue, 30 Apr 2019 at 15:15, Faraz Hussain <i...@feacluster.com> wrote:
> I installed RedHat 7.5 on two machines with the following Mellanox cards: > > 87:00.0 Network controller: Mellanox Technologies MT27520 Family > [ConnectX-3 Pro > > I followed the steps outlined here to verify RDMA is working: > > > https://community.mellanox.com/s/article/howto-enable-perftest-package-for-upstream-kernel > > However, I cannot seem to get Open MPI 3.0.2 to work. When I run it, I > get this error: > > -------------------------------------------------------------------------- > > No OpenFabrics connection schemes reported that they were able to be > > used on a specific port. As such, the openib BTL (OpenFabrics > > support) will be disabled for this port. > > > Local host: lustwzb34 > > Local device: mlx4_0 > > Local port: 1 > > CPCs attempted: rdmacm, udcm > > -------------------------------------------------------------------------- > > Then it just hangs till I press control C. > > I understand this may be an issue with RedHat, Open MPI or Mellanox. > Any ideas to debug which place it could be? > > Thanks! > > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > https://beowulf.org/cgi-bin/mailman/listinfo/beowulf >
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