On 20/09/2013 21:49, Sylvestre Ledru wrote: > Hello, > > In Debian, we are in the process of switching the default MPI > implementation from version 1.4 to 1.6. > > Every architectures are fine beside ia64. Any program based on OpenMPI > 1.6.5 is freezing. > > With a basic test case: > MPI_Init(NULL, NULL); > MPI_Finalize(); > > mpirun -c 4 foo > => freeze > The backtrace does not show anything. > mpirun --mca plm_base_verbose 5 foo returns: [merulo:26555] mca:base:select:( plm) Querying component [rsh] [merulo:26555] mca:base:select:( plm) Query of component [rsh] set priority to 10 [merulo:26555] mca:base:select:( plm) Querying component [slurm] [merulo:26555] mca:base:select:( plm) Skipping component [slurm]. Query failed to return a module [merulo:26555] mca:base:select:( plm) Querying component [tm] [merulo:26555] mca:base:select:( plm) Skipping component [tm]. Query failed to return a module [merulo:26555] mca:base:select:( plm) Selected component [rsh]
Sylvestre
