Re: [OMPI users] [EXTERNAL] OpenMPI 3.1.6 openib failure: "mlx4_0 errno says Success"

HI Greg, It’s the aging of the openib btl. You may be able to apply the attached patch. Note the 3.1.x release stream is no longer supported. You may want to try using the 4.1.1 release, in which case you’ll want to use UCX. Howard From: users on behalf of "Fischer, Greg A. via users" R

[OMPI users] OpenMPI 3.1.6 openib failure: "mlx4_0 errno says Success"

Hello, I have compiled OpenMPI 3.1.6 from source on SLES12-SP3, and I am seeing the following errors when I try to use the openib btl: WARNING: There was an error initializing an OpenFabrics device. Local host: bl1308 Local device: mlx4_0 --