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Subject: Re: [OMPI devel] Openmpi 1.6.5 is freezing under GNU/Linux ia64
From: Sylvestre Ledru (sylvestre_at_[hidden])
Date: 2013-09-20 16:02:34


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