I'm sorry for not communicating this accurately enough - you need to add that line to your mpirun command. In other words, you need to start your job with:

mpirun -mca  btl_openib_warn_default_gid_prefix 0 .....


On Dec 8, 2008, at 8:00 AM, Yasmine Yacoub wrote:

Thank you for your response, but still my problem remains, I have used this command:
 -mca  btl_openib_warn_default_gid_prefix 0
and I have got this message:
-bash: -mca: command not found

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