Check for a firewall blocking tcp communications - that's the most common issue.
On Jul 23, 2010, at 3:05 PM, James wrote: > Hi, > > I am trying to get OpenMPI running on my home network. This has two > machines, t61 and quad, both running SuSE 11. I'm using the "hello_c" > program from the examples as a test. It will run fine on each machine, > using whatever number or processes I specify. However, when I try to > run on multiple machines, it hangs. > > If I start from t61 with the command "mpiexec -host t61,quad -np 2 hello" > then I see that command when I do a ps -ax on t61. On quad I see > "orted --daemonize (long parameter string)". Both of them seem to be > silently waiting on some event, but I've no idea what. > > Both machines are running OpenMPI 1.4.2 (compiled from same tar file), > installed in /opt/openmpi. The executables are in the same user/path > on each machine (/home/me/src/openmpi/examples), and path, > LD_LIBRARY_PATH, and so on all seem the same. > > Any suggestions? > > Thanks, > James > > PS: Also, may I suggest putting something in the FAQ pointing out > that the environment vars need to be set in .tcshrc, not .login? > It would have saved me several hours. > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
