Hi,

I don't know if it can help, but I attached a minimal (ok, let say small) example that reproduces the problem without the mpi test nor boost code.
It's basically a minimized ~100loc version of bjam.
I sent it to intel so they can investigate, since mpiexec.hydra might be part of the problem. Although I think bjam should be able to deal with it since the mpi test passes on the command line.

Alain

On 21/10/2014 15:56, Belcourt, Kenneth wrote:

On Oct 21, 2014, at 6:35 AM, Alain Miniussi <alain.miniussi@oca.eu> wrote:

Sorry, the problem is still here:
6817 alainm    20   0 S  0.0   0:01.74  4517 b2
6870 alainm    20   0 T  0.0   0:00.00  6817 sh
6871 alainm    20   0 T  0.0   0:00.00  6870 mpirun
6876 alainm    20   0 Z  0.0   0:00.00  6871 mpiexec.hydra <defunct>

bottom of b2 strace:

lseek(4, 0, SEEK_CUR)                   = -1 ESPIPE (Illegal seek)
rt_sigprocmask(SIG_BLOCK, [CHLD], NULL, 8) = 0
select(5, [4], NULL, NULL, NULL

Okay, that’s helpful. Let me try a couple of other things.  Thanks Alain.

— Noel

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---
Alain