[OMPI users] problems openmpi-4.0.3

Good morning, We have a cluster with two kind of infiniband cards, one connectx-4 and the other connectx-6. Openmpi-3.1.3 works fine, but when we start with connectx-6 we started to use openmpi-4.0.3 (that support connectx-6) and the programs that have several parts, first a call to a secuencia

[OMPI users] problems with OpenMPI 4.0.3

Good morning, We hava a cluster with two type of infinibad cards The first one : lspci | grep -i mella 5e:00.0 Infiniband controller: Mellanox Technologies MT27700 Family [ConnectX-4] mstflint -d 5e:00.0 q Image type:FS3 FW Version:12.24.1000 FW Release Date: 26.1