[petsc-users] no protocol specified

[Matthew Knepley]

On Fri, Jan 29, 2016 at 11:22 AM, Bishesh Khanal <bisheshkh at gmail.com>
wrote:

> Hello,
> I installed petsc today in our new cluster environment, everything looked
> fine except for several mpi related deprecated function warnings such as
> below:
>
> /data/asclepios/user/bkhanal/softwares/petsc/src/sys/objects/pname.c: In
> function ‘PetscErrorCode PetscObjectName(PetscObject)’:
> /data/asclepios/user/bkhanal/softwares/petsc/src/sys/objects/pname.c:128:12:
> warning: ‘int MPI_Attr_get(MPI_Comm, int, void*, int*)’ is deprecated
> (declared at /opt/openmpi/gcc/current/include/mpi.h:1227): MPI_Attr_get is
> superseded by MPI_Comm_get_attr in MPI-2.0 [-Wdeprecated-declarations]
>      ierr =
> MPI_Attr_get(obj->comm,Petsc_Counter_keyval,(void*)&counter,&flg);CHKERRQ(ierr);
>
>
> When I ran make test after installation, I got the following results:
>
> Running test examples to verify correct installation
> Using PETSC_DIR=/data/asclepios/user/bkhanal/softwares/petscInstalledDebug
> and PETSC_ARCH=
> Possible error running C/C++ src/snes/examples/tutorials/ex19 with 1 MPI
> process
> See http://www.mcs.anl.gov/petsc/documentation/faq.html
> No protocol specified
> No protocol specified
> lid velocity = 0.0016, prandtl # = 1, grashof # = 1
> Number of SNES iterations = 2
> Possible error running C/C++ src/snes/examples/tutorials/ex19 with 2 MPI
> processes
> See http://www.mcs.anl.gov/petsc/documentation/faq.html
> No protocol specified
> No protocol specified
> lid velocity = 0.0016, prandtl # = 1, grashof # = 1
> Number of SNES iterations = 2
> Possible error running Fortran example src/snes/examples/tutorials/ex5f
> with 1 MPI process
> See http://www.mcs.anl.gov/petsc/documentation/faq.html
> No protocol specified
> No protocol specified
> Number of SNES iterations =     4
> Completed test examples
> =========================================
>
> I also tested one of my codes with  this new setup. It seems to give me
> correct results but the output also displays No protocol specified (twice).
>
> Is this a mere warning or should I worry about it ?
>

It looks like it is connected to your MPI configuration on this machine:


https://www-auth.cs.wisc.edu/lists/htcondor-users/2013-March/msg00022.shtml

  Thanks,

     Matt


> Thanks,
> Bishesh
>



-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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