问MVAPICH2-GDR存在分段错误

EN

1 #include <mpi.h>
2 #include <stdio.h>
3
4 int main(int argc, char** argv) {
5     // Initialize the MPI environment
6     MPI_Init(NULL, NULL);
7     // Get the number of processes
8     int world_size;
9     MPI_Comm_size(MPI_COMM_WORLD, &world_size);
10
11     // Get the rank of the process
12     int world_rank;
13     MPI_Comm_rank(MPI_COMM_WORLD, &world_rank);
14
15     // Print off a hello world message
16     printf("Hello world from %d out of %d\n", world_rank, world_size);
17
18     // Finalize the MPI environment.
19     MPI_Finalize();
20 }

mpicc hello.c -o hello

mpirun -np 2 ./hello

[localhost.localdomain:mpi_rank_1][error_sighandler] Caught error: Segmentation fault (signal 11)
[localhost.localdomain:mpi_rank_0][error_sighandler] Caught error: Segmentation fault (signal 11)                
=   BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES
=   PID 188057 RUNNING AT localhost.localdomain
=   EXIT CODE: 139
=   CLEANING UP REMAINING PROCESSES
=   YOU CAN IGNORE THE BELOW CLEANUP MESSAGES 

YOUR APPLICATION TERMINATED WITH THE EXIT STRING: Segmentation fault (signal 11)