Meantime, I’ve created a patch that should address this problem: https://github.com/open-mpi/ompi-release/pull/227 <https://github.com/open-mpi/ompi-release/pull/227>
If you can and would like, please see if it resolves this for you. > On Apr 7, 2015, at 9:29 PM, Ralph Castain <r...@open-mpi.org> wrote: > > Hmmm…yeah, we’ve been discussing this point. It’s a bit of a mixed bag. We > hit problems where people don’t get their paths set correctly on remote > machines, and then we hang because of bad connections between incompatible > versions. Same time, we hit these situations. > > We’re getting ready to release 1.8.5 - let me discuss with the team about > what we can/should do to resolve these problems. > > >> On Apr 7, 2015, at 8:43 PM, Alan Wild <a...@madllama.net >> <mailto:a...@madllama.net>> wrote: >> >> I know this isn't "recommend", but a vendor recently gave me an executable >> compiled openmpi-1.8.3 and I happened to have recently completed a build of >> 1.8.4 (but didn't have 1.8.3 sitting around and the vendor refuses to >> provide his build). >> >> Since these releases are so close they should be ABI compatible so I thought >> I would see what happens... >> >> [arwild1@hplcslsp2 ~]$ mpirun -n 2 -H localhost vendor_app_mpi >> [hplcslsp2:11394] [[56032,0],0] tcp_peer_recv_connect_ack: received >> different version from [[56032,1],0]: 1.8.3 instead of 1.8.4 >> [hplcslsp2:11394] [[56032,0],0] tcp_peer_recv_connect_ack: received >> different version from [[56032,1],1]: 1.8.3 instead of 1.8.4 >> >> and then everything hangs. I can clearly see the output coming from >> >> ./orte/mca/oob/tcp/oob_tcp_connection.c >> >> and where it returns >> >> return ORTE_ERR_CONNECTION_REFUSED; >> >> >> So it looks like I'm going to have to at least build 1.8.3, but is there any >> way to work around this given we are dealing with builds that are that >> close? I'm really not interested in "rolling back" to 1.8.3 or providing >> both releases on my system. >> >> (yes, "right answer" is to get the vendor to provide his build... long stoy) >> >> -Alan >> >> >> >> -- >> a...@madllama.net <mailto:a...@madllama.net> http://humbleville.blogspot.com >> <http://humbleville.blogspot.com/>_______________________________________________ >> users mailing list >> us...@open-mpi.org <mailto:us...@open-mpi.org> >> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >> Link to this post: >> http://www.open-mpi.org/community/lists/users/2015/04/26645.php >