Hi Khalid, Can you send us your config.log file? Antonio -------------------------------------------------------------- Antonio J. Peña Postdoctoral Appointee Mathematics and Computer Science Division (MCS) Argonne National Laboratory 9700 S. Cass Avenue Argonne, IL 60439 [email protected] From: Khalid Hasanov [mailto:[email protected]] Sent: Wednesday, February 25, 2015 8:15 PM To: [email protected] Subject: [mpich-discuss] mpich-3.1.4 error in mx_init (error no mx device entry in /dev Hello, I have an issue with mpich-3.1.4 when I run mpirun on a cluster which has Infiniband-20G and Gigabit Ethernet networks: error in mx_init (error no mx device entry in /dev As far as I know in Open MPI exactly the same error message is considered as a warning which may come from collisions between IB and MYRINET technologies and these warnings can be disabled by MCA parameters. Is there any similar option in mpich3 to disable/solve the error? Best regards, Khalid _______________________________________________ discuss mailing list [email protected] To manage subscription options or unsubscribe: https://lists.mpich.org/mailman/listinfo/discuss