[mpich-discuss] mpich from the MCS Ubuntu linux build

[Jeff Hammond]

What happens if you build an OpenMP program with no MPI using CC=mpicc?

Does gdb tell you anything about where the code dies?

Jeff

On Thu, Sep 22, 2011 at 5:47 PM, Nichols A. Romero
<naromero at alcf.anl.gov> wrote:
> Hi,
>
> I am using the MPICH that comes with the MCS Ubuntu Linux build (accesible through
> the softenv). I am launching the application with mpiexec.gforker. If I run
> with MPI only, the code starts. But if I run with MPI + OpenMP threads, it seg. faults
> immediately.
>
> Am I doing something wrong, or should just rebuild MPICH myself and not use what's
> available through softenv?
>
> Nichols A. Romero, Ph.D.
> Argonne Leadership Computing Facility
> Argonne National Laboratory
> Building 240 Room 2-127
> 9700 South Cass Avenue
> Argonne, IL 60490
> (630) 252-3441
>
>
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-- 
Jeff Hammond
Argonne Leadership Computing Facility
University of Chicago Computation Institute
jhammond at alcf.anl.gov / (630) 252-5381
http://www.linkedin.com/in/jeffhammond
https://wiki.alcf.anl.gov/index.php/User:Jhammond