Hi,
We're intermittently seeing messages (below) about failing to register
memory with openmpi 2.0.2 on centos7 / Mellanox FDR Connect-X 3 and the
vanilla IB stack as shipped by centos.
We're not using any mlx4_core module tweaks at the moment. On earlier
machines we used to set registered m
Hi,
I have two ipv6 only machines, I configured/built OMPI version 3.0 with -
-enable-ipv6
I want to verify a simple MPI communication call through tcp ip between
these two machines. I am using ring_c and connectivity_c examples.
Issuing from one of the host machine…
[mselvam@ipv-rhel73 examp
Put “oob=tcp” in your default MCA param file
> On Oct 18, 2017, at 9:00 AM, Mark Dixon wrote:
>
> Hi,
>
> We're intermittently seeing messages (below) about failing to register memory
> with openmpi 2.0.2 on centos7 / Mellanox FDR Connect-X 3 and the vanilla IB
> stack as shipped by centos.
>
Adding a verbose output. Please check for failed and advise. Thank you.
[mselvam@ipv-rhel73 examples]$ mpirun -hostfile host --mca oob_base_verbose
100 --mca btl tcp,self ring_c
[ipv-rhel73:10575] mca_base_component_repository_open: unable to open
mca_plm_tm: libtorque.so.2: cannot open shared obj
Looks like there is a firewall or something blocking communication between
those nodes?
> On Oct 18, 2017, at 1:29 PM, Mukkie wrote:
>
> Adding a verbose output. Please check for failed and advise. Thank you.
>
> [mselvam@ipv-rhel73 examples]$ mpirun -hostfile host --mca oob_base_verbose
> 10
Thanks for your suggestion. However my firewall's are already disabled on
both the machines.
Cordially,
Muku.
On Wed, Oct 18, 2017 at 2:38 PM, r...@open-mpi.org wrote:
> Looks like there is a firewall or something blocking communication between
> those nodes?
>
> On Oct 18, 2017, at 1:29 PM, Mu