Hi Jody,

I think it is not a problem of MPI_Sends which doesn't match a corresponding MPI_Recvs, because all processes reach MPI_Finalize(). If not, at least one process would be blocked before reaching MPI_Finalize.

Bernard



jody a écrit :
Hi Bernard

The structure looks as far as i can see.
Did it run OK on Open-MPI 1.2.X?
So are you sure all processes reach the MPI_Finalize command?
Usually MPI_Finalize only completes when all processes reach it.
I think you should also make sure that all MPI_Sends are matched by
corresponding MPI_Recvs.

Jody

On Fri, Jan 23, 2009 at 11:08 AM, Bernard Secher - SFME/LGLS
<bernard.secher@cea.fr> wrote:
  
Thanks Jody for your answer.

I launch 2 instances of my program on 2 processes each instance, on the same
machine.
I use MPI_Publish_name, MPI_Lookup_name  to create a global communicator on
the 4 processes.
Then the 4 processes exchange data.

The main program is a CORBA server. I send you this program.

Bernard

jody a écrit :

For instance:
- how many processes on how many machines,
- what kind of computation
- perhaps minimal code which reproduces this failing
- configuration settings, etc.
See: http://www.open-mpi.org/community/help/

Without any information except for "it doesn't work",
nobody can give you any help whatsoever.

Jody

On Fri, Jan 23, 2009 at 9:33 AM, Bernard Secher - SFME/LGLS
<bernard.secher@cea.fr> wrote:


Hello Jeff,

I don't understand what you mean by "A _detailed_ description of what is
failing".
The problem is a dead lock in MPI_Finalize() function. All processes are
blocked in this MPI_Finalize() function.

Bernard

Jeff Squyres a écrit :


Per this note on the "getting help" page, we still need the following:

"A _detailed_ description of what is failing. The more details that you
provide, the better. E-mails saying "My application doesn't work!" will
inevitably be answered with requests for more information about exactly what
doesn't work; so please include as much information detailed in your initial
e-mail as possible."

Additionally:

"The best way to get help is to provide a "recipie" for reproducing the
problem."

Thanks!


On Jan 22, 2009, at 8:53 AM, Bernard Secher - SFME/LGLS wrote:



Hello Tim,

I send you the information in join files.

Bernard

Tim Mattox a écrit :


Can you send all the information listed here:

  http://www.open-mpi.org/community/help/

On Wed, Jan 21, 2009 at 8:58 AM, Bernard Secher - SFME/LGLS
<bernard.secher@cea.fr> wrote:



Hello,

I have a case wher i have a dead lock in MPI_Finalize() function with
openMPI v1.3.

Can some body help me please?

Bernard



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