[GE users] sge_shepherd : free(): invalid pointer crash for more than 1032 slots

henk h.a.slim at durham.ac.uk
Thu May 13 15:15:37 BST 2010

On our system the gridengine 6.2u5 shepherd crashes for a simple
parallel job with 1040 slots. It is fine for 1032 slots (each server has
8 cores and I increment the job size by adding a server). I attach the
error file with a memory map. MPI is OpenMPI 1.4.1 and OS is SLES 11.0
AS a test I kept the 1032 slots on fixed servers and varied the server
that supplied the additional 8 slots, all giving this problem.
Is there some magcical number beyond 1032 that causes a problem for the
shepherd exe?




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