Check if iptables or some other firewall is running. Configure mpirun with 
--enable-debug and then add "-mca plm_base_verbose 10" to your cmd line to see 
if the remote daemon is communicating back correctly.


On Mar 24, 2013, at 1:50 PM, Baptiste Robert <baptisterober...@gmail.com> wrote:

> Hi everybody !
> 
> Here's my problem. I've installed openmpi on my two machines running on 
> fedora 17. I've set the path and LD_LIBRARY_PATH correctly, mpirun and mpicc 
> work on the two machines without trouble. 
> 
> My problem is when I try to run the helloWorld on all node through ssh 
> (already configure with certificate) nothing append, I've to kill mpi to get 
> the prompt back. 
> 
> I launched this command : mpirun -d -host myRemoteNode -n 2 hello_c
> And this give me :
> 
> [baptiste@baptiste RE51]$ mpirun -d -hostfile hosts hello_c 
> [baptiste.thinkFed:02666] procdir: 
> /tmp/openmpi-sessions-baptiste@baptiste.thinkFed_0/53471/0/0
> [baptiste.thinkFed:02666] jobdir: 
> /tmp/openmpi-sessions-baptiste@baptiste.thinkFed_0/53471/0
> [baptiste.thinkFed:02666] top: openmpi-sessions-baptiste@baptiste.thinkFed_0
> [baptiste.thinkFed:02666] tmp: /tmp
> [roommateServer:01102] procdir: 
> /tmp/openmpi-sessions-baptiste@roommateServer_0/53471/0/1
> [roommateServer:01102] jobdir: 
> /tmp/openmpi-sessions-baptiste@roommateServer_0/53471/0
> [roommateServer:01102] top: openmpi-sessions-baptiste@roommateServer_0
> [roommateServer:01102] tmp: /tmp
> 
> And nothing else. But if I run the hello_c on a single machine, separately, 
> the job is done and work well.
> 
> 
> If anyone have an idea it would be awesome.. I don't have a clue why it isn't 
> work.
> 
> Thank.
> 
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