Try adding some print statements so you can see where the error occurs. On Mar 25, 2011, at 11:49 PM, Jack Bryan wrote:
> Hi , All: > > I running a Open MPI (1.3.4) program by 200 parallel processes. > > But, the program is terminated with > > -------------------------------------------------------------------------- > mpirun noticed that process rank 0 with PID 77967 on node n342 exited on > signal 9 (Killed). > -------------------------------------------------------------------------- > > After searching, the signal 9 means: > > the process is currently in an unworkable state and should be terminated with > extreme prejudice > > If a process does not respond to any other termination signals, sending it a > SIGKILL signal will almost always cause it to go away. > > The system will generate SIGKILL for a process itself under some unusual > conditions where the program cannot possibly continue to run (even to run a > signal handler). > > But, the error message does not indicate any possible reasons for the > termination. > > There is a FOR loop in the main() program, if the loop number is small (< > 200), the program works well, > but if it becomes lager and larger, the program will got SIGKILL. > > The cluster where I am running the MPI program does not allow running debug > tools. > > If I run it on a workstation, it will take a very very long time (for > 200 > loops) in order to > get the error occur again. > > What can I do to find the possible bugs ? > > Any help is really appreciated. > > thanks > > Jack > > > > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
