I think the name of the verbose argument is coll_base_verbose. You can check using ompi_info.

ompi_info --param coll tuned | grep verbose
MCA coll: parameter "coll_base_verbose" (current value: "0")

  george.

On Nov 9, 2006, at 1:11 PM, Kenneth Chiu wrote:

I am having a hanging problem using bcast that I'm trying to track
down.  I added the above, hoping to get some debugging output,
but didn't see any.  I am using slurm in batch mode.

     slurm -n 20 -b slurm_script.sh

and slurm_script.sh contains:

mpirun -np $SLURM_NPROCS --mca coll_tuned_base_verbose 1 /u/ chiuk/cfd/main

By the way, I also tried:

     mpirun -np $SLURM_NPROCS --mca coll ^tuned /u/chiuk/cfd/main

but got the same hang.  This is on odin.cs.indiana.edu.

Thanks.
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