[mpich-discuss] Errors related to the increased number of tasks

[Pavan Balaji]

On 12/17/2011 02:56 AM, Bernard Chambon wrote:
>>mpiexec -np 160 bin/basic_test
> Assertion failed in file
> /scratch/BC/mpich2-1.4.1p1/src/util/wrappers/mpiu_shm_wrappers.h at line
> 889: seg_sz > 0

Looks like the shared memory is bombing out.  Can you run mpiexec with 
the -verbose option and also send us the machine file that you are using 
(or is it all on a single node)?

  -- Pavan

-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji