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

2021-10-15 Thread Fischer, Greg A. via users
I tried the patch, but I get the same result: error obtaining device attributes for mlx4_0 errno says Success I'm getting (what I think are) good transfer rates using "--mca btl self,tcp" on the osu_bw test (~7000 MB/s). It seems to me that the only way that could be happening is if the infinib

[OMPI users] mpirun hostfile not running from node00

2021-10-15 Thread Cee Lee via users
I'm having an issue with OpenMPI that just started today. A couple of days ago everything was fine. I could run mpiexec/mpirun using --hostfile flag. I didn't touch the system for those couple of days. I'm just messing around learning MPI using C. These are simple programs from "Parallel Programmin