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From: Brian Barrett (brbarret_at_[hidden])
Date: 2006-03-18 14:28:55

On Mar 18, 2006, at 5:40 AM, Frank wrote:

> properly set
> up, Open-MPI 1.0.1 is installed on all machines (with the same
> configure
> options). When configured with --prefix=/usr/local/openmpi my app is
> supplied to the xgrid controller and I can see that copy's of my
> app are
> "supplied" to the other machines, too - but the jobs hang, nothing
> happens (user nobody has full access to the folder /usr/local/myapp
> where my app is run). /usr/local/openmpi/bin and /usr/local/openmpi/
> lib
> are added to the variables PATH and DYLD_LIBRARY_PATH on every
> machine,
> too. I'm running into this situation no matter from which machine
> my app
> ist started. To the guys with openmpi and xgrid performing correct:
> which configure options did you use? The firewall is told not block
> any
> internal traffic on the subnet. When not using the xgrid my app
> performs
> correct.
> Has anyone any idea concerning this matter?

My first guess was going to be the firewall issue, but if you can run
without XGrid, that probably isn't the case. Could you try an XGrid
run with the -d option to mpirun? That will enable some debugging
output that should help determine what is going wrong.



   Brian Barrett
   Open MPI developer