[mpich-discuss] where error occurred in MPI function?

[Pavan Balaji]

This looks like an error being thrown by the application.  It has 
nothing to do with MPICH2.

  -- Pavan

On 01/31/2012 05:43 AM, Gopal Rastogi wrote:
> Hello,
>
> The problem is to search a password into a big file of size about 10GB
> using MPI. I divided the file between different processes of chunk size
> of |(Total number of bytes in file / P)| where p is the number of
> processes to create and applying my searching logic in each process
> through a loop parallely. I want to stop other processes when one
> process find a solution. so to abort the other processes execution i
> used the following approach
>
>        1.  approach is to use a flag and set it whenever any process
> find its solution. After setting this flag send it to all the other
> processes using non-blocking send/recv/Iprobe funtion. Then check this
> flag by each process using |if(flag == 1) break|; and do so. After doing
> this i am getting following error massages at the end of program
> execution ....assume p =4 here,
>
> *** An error occurred in MPI_Finalize
> *** after MPI was finalized
> *** MPI_ERRORS_ARE_FATAL (goodbye)
> [abc:3908] Abort before MPI_INIT completed successfully; not able to
> guarantee that all other processes were killed!
> *** An error occurred in MPI_Finalize
> *** after MPI was finalized
> *** MPI_ERRORS_ARE_FATAL (goodbye)
> [abc:3910] Abort before MPI_INIT completed successfully; not able to
> guarantee that all other processes were killed!
> *** An error occurred in MPI_Finalize
> *** after MPI was finalized
> *** MPI_ERRORS_ARE_FATAL (goodbye)
> *** An error occurred in MPI_Finalize
> *** after MPI was finalized
> *** MPI_ERRORS_ARE_FATAL (goodbye)
> [abc:3911] Abort before MPI_INIT completed successfully; not able to
> guarantee that all other processes were killed!
> [abc:3912] Abort before MPI_INIT completed successfully; not able to
> guarantee that all other processes were killed!
>
>
> Can any one tell me why i am getting error and how we can remove it??
> Please its urgent....
> Thanks in advance!!!
>
>
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-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji