[mpich-discuss] Fatal error in MPI_Barrier

[Antonio José Gallardo Díaz]

Hello, this error show me when i try my jobs that use MPI.


Fatal error in MPI_Barrier: Other MPI error, error stack:
MPI_Barrier(406).............................: MPI_Barrier(MPI_COMM_WORLD) failed
MPIR_Barrier(77).............................:
MPIC_Sendrecv(123)...........................:
MPIC_Wait(270)...............................:
MPIDI_CH3i_Progress_wait(215)................: an error occurred while handling an event returned by MPIDU_Sock_Wait()
MPIDI_CH3I_Progress_handle_sock_event(640)...:
MPIDI_CH3_Sockconn_handle_connopen_event(887): unable to find the process group structure with id <��oz�>[cli_1]: aborting job:
Fatal error in MPI_Barrier: Other MPI error, error stack:
MPI_Barrier(406).............................: MPI_Barrier(MPI_COMM_WORLD) failed
MPIR_Barrier(77).............................:
MPIC_Sendrecv(123)...........................:
MPIC_Wait(270)...............................:
MPIDI_CH3i_Progress_wait(215)................: an error occurred while handling an event returned by MPIDU_Sock_Wait()
MPIDI_CH3I_Progress_handle_sock_event(640)...:
MPIDI_CH3_Sockconn_handle_connopen_event(887): unable to find the process group structure with id <��oz�>
rank 1 in job 15  wireless_43226   caused collective abort of all ranks
  exit status of rank 1: killed by signal 9

I have two PC's with linux (kubuntu 8.10). I make a cluster using this machines. When use for example the command "mpiexec -l -n 2 hostname" i can see that it's all right, but when i try to send o receive some thing i have the same error. I don't know why. Please i need one hand. Thanks for all. 

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