Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Open MPI User's mailing list

Subject: Re: [OMPI users] openmpi hangs when running on more than one node (unless i use --debug-daemons )
From: Advanced Computing Group University of Padova (acg.unipd_at_[hidden])
Date: 2010-12-27 04:07:06


using openmpi 1.4.2

On Fri, Dec 24, 2010 at 11:17 AM, Advanced Computing Group University of
Padova <acg.unipd_at_[hidden]> wrote:

> Hi,
> i am building a small 16 nodes cluster gentoo based.
> I succesfully installed openmpi and i succesfully tried some simple small
> test parallel program on a single host but...
> i can't run parallel program on more than one nodes
>
>
> The nodes are cloned (so they are equals).
> The mpiuser (and their ssh certificates) uses /home/mpiuser that is a nfs
> share.
> I modified .bashrc
>
> -------------------------
> PATH=/usr/bin:$PATH ; export PATH ;
> LD_LIBRARY_PATH=/usr/lib64:$LD_LIBRARY_PATH ; export LD_LIBRARY_PATH ;
>
> # already present below
> if [[ $- != *i* ]] ; then
> # Shell is non-interactive. Be done now!
> return
> fi
> ---------------------
>
> The very very strange behaviour is that using the --debug-daemons let my
> program run succesfully.....
>
> Thank you in advance and sorry for my bad english
>
>
>
>