I would suggest to post the error in UCX issues -
https://github.com/openucx/ucx/issues
It is typical IB error complaining about an access to unregistered memory.
Usually it caused by some pointer corruption in OMPI/UCX or application
code.
Best,
Pasha
On Thu, Sep 20, 2018 at 11:22 PM Ben Menad
Hi,
A couple of our users have reported issues using UCX in OpenMPI 3.1.2. It’s
failing with this message:
[r1071:27563:0:27563] rc_verbs_iface.c:63 FATAL: send completion with error:
local protection error
The actual MPI calls provoking this are different between the two applications
— one