HI Adrian, Andrew,

Sorry try again,  both the libfabric psm provider and the open mpi psm
mtl are trying to use psm_init.

So, to avoid this problem, add

--mca mtl psm

to your mpirun command line.

Sorry for the confusion.

Howard


2015-01-09 7:52 GMT-07:00 Friedley, Andrew <andrew.fried...@intel.com>:

> No this is not expected behavior.
>
> The PSM MTL code has not changed in 2 months, when I fixed that unused
> variable warning for you.  That suggests something above the PSM MTL broke
> things.  I see no reason your older software install should suddenly
> stopping working if all you are updating is OMPI master -- at least with
> respect to PSM anyway.
>
> The error message is right, it's not possible to open more than one
> context per process.  This hasn't changed.  It does indicate that maybe
> something is causing the MTL to be opened twice in each process?
>
> Andrew
>
> > -----Original Message-----
> > From: devel [mailto:devel-boun...@open-mpi.org] On Behalf Of Adrian
> > Reber
> > Sent: Friday, January 9, 2015 4:13 AM
> > To: de...@open-mpi.org
> > Subject: [OMPI devel] Changed behaviour with PSM on master
> >
> > Running the mpi_test_suite on master used to work with no problems. At
> > some point in time it stopped working however and now I get only error
> > messages from PSM:
> >
> > """
> > n050301:3.0.In PSM version 1.14, it is not possible to open more than
> one
> > context per process
> >
> > [n050301:26526] Open MPI detected an unexpected PSM error in opening an
> > endpoint: In PSM version 1.14, it is not possible to open more than one
> > context per process """
> >
> > I know that I do not have the newest version of the PSM library and that
> I
> > need to update the library but as this requires many software packages
> to be
> > re-compiled we are trying to avoid it on our CentOS6 based system.
> >
> > My main question (probably for Andrew) is if this is an expected
> behaviour
> > on master. It works on 1.8.x and it used to work on master at least
> until 2014-
> > 12-08.
> >
> > This is the last MTT entry for working PSM (with my older version)
> > http://mtt.open-mpi.org/index.php?do_redir=2226
> >
> > and since a few days it fails on master
> > http://mtt.open-mpi.org/index.php?do_redir=2225
> >
> > On another system (RHEL7) with newer PSM libraries there is no such
> error.
> >
> >               Adrian
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