Hi
This issue arrives from BTL OpenIB, not related to UCX
From: users on behalf of Ryan Novosielski
via users
Date: Thursday, 29 July 2021, 08:25
To: users@lists.open-mpi.org
Cc: Ryan Novosielski
Subject: [OMPI users] OpenMPI 4.0.6 w/GCC 8.5 on CentOS 7.9; "WARNING: There
was an error initi
Ryan - I suspect what Sergey was trying to say was that you need to ensure OMPI
doesn't try to use the OpenIB driver, or at least that it doesn't attempt to
initialize it. Try adding
OMPI_MCA_pml=ucx
to your environment.
On Jul 29, 2021, at 1:56 AM, Sergey Oblomov via users mailto:users@lists
Thanks, Ralph. This /does/ change things, but not very much. I was not under
the impression that I needed to do that, since when I ran without having built
against UCX, it warned me about the openib method being deprecated. By default,
does OpenMPI not use either anymore, and I need to specifica
So it _is_ UCX that is the problem! Try using OMPI_MCA_pml=ob1 instead
> On Jul 29, 2021, at 8:33 AM, Ryan Novosielski wrote:
>
> Thanks, Ralph. This /does/ change things, but not very much. I was not under
> the impression that I needed to do that, since when I ran without having
> built ag