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Subject: Re: [OMPI users] MPI processes hang when using OpenMPI 1.3.2 and Gcc-4.4.0
From: Vincent Loechner (loechner_at_[hidden])
Date: 2009-11-18 05:37:34


> A rather stable production code that has worked with various versions of MPI
> on various architectures started hanging with gcc-4.4.2 and openmpi 1.3.33

Probably this bug :

Waiting for a correction, try adding this option to mpirun :
-mca btl_sm_num_fifos 5