Description of problem: # mpirun -n 1 ./hello_world /usr/lib64/mvapich2/1.0.3-gcc/bin/mpdroot: open failed for root's mpd conf filempiexec_dhcp71-141.rhts.bos.redhat.com (__init__ 1171): forked process failed; status=255 Version-Release number of selected component (if applicable): mvapich2-1.0.3-2.el5 How reproducible: Very Steps to Reproduce: 1. Compile and run an mpi helloworld program 2. 3. Actual results: Expected results: Additional info:
Release note added. If any revisions are required, please set the "requires_release_notes" flag to "?" and edit the "Release Notes" field accordingly. All revisions will be proofread by the Engineering Content Services team. New Contents: Both mvapich and mvapich2 are compiled to support InfiniBand/iWARP interconnects and will only build support for one interconnect at a time. As a result, they will not run over normal ethernet or other network interconnects.
*** Bug 467532 has been marked as a duplicate of this bug. ***
Release note updated. If any revisions are required, please set the "requires_release_notes" flag to "?" and edit the "Release Notes" field accordingly. All revisions will be proofread by the Engineering Content Services team. Diffed Contents: @@ -1 +1 @@ -Both mvapich and mvapich2 are compiled to support InfiniBand/iWARP interconnects and will only build support for one interconnect at a time. As a result, they will not run over normal ethernet or other network interconnects.+mvapich and mvapich2 in Red Hat Enterprise Linux 5 are compiled to support only InfiniBand/iWARP interconnects. Consequently, they will not run over normal ethernet or other network interconnects.
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on therefore solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHEA-2009-0152.html