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-- -------------------------------------------------------------------------- An MPI process has executed an operation involving a call to the "fork()" system call to create a child process. Open MPI is currently operating in a condition that could result in memory corruption or other system errors; your MPI job may hang, crash, or produce silent data corruption. The use of fork() (or system() or other calls that create child processes) is strongly discouraged. The process that invoked fork was: Local host: n102 (PID 3664) MPI_COMM_WORLD rank: 0 If you are *absolutely sure* that your application will successfully and correctly survive a call to fork(), you may disable this warning by setting the mpi_warn_on_fork MCA parameter to 0. -------------------------------------------------------------------------- [n102:03654] 1 more process has sent help message help-mpi-runtime.txt / mpi_init:warn-fork [n102:03654] Set MCA parameter "orte_base_help_aggregate" to 0 to see all help / error messages [n102:03654] 30 more processes have sent help message help-mpi-runtime.txt / mpi_init:warn-fork CalcError: /panfs/storage/sets/maupin/common/amber12/bin/sander failed with prmtop complex.prmtop! Error occured on rank 21. Exiting. All files have been retained. -------------------------------------------------------------------------- MPI_ABORT was invoked on rank 21 in communicator MPI_COMM_WORLD with errorcode 1. NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes. You may or may not see output from other processes, depending on exactly when Open MPI kills them. -------------------------------------------------------------------------- -------------------------------------------------------------------------- mpiexec has exited due to process rank 21 with PID 3684 on node n88 exiting without calling "finalize". This may have caused other processes in the application to be terminated by signals sent by mpiexec (as reported here). -------------------------------------------------------------------------- Vivek S. Bharadwaj Graduate Student Department of Chemical and Biological Engg. Colorado School of Mines Golden Colorado