On many platforms, signal 11 means a segmentation violation. This
typically means a memory error, such as accessing memory that was
previously freed, going outside the bounds of an array, etc.
A good memory-checking debugger can be quite helpful here (e.g.,
Valgrind for linux).
On Sep 22, 2004, at 11:16 AM, Phil Yoon wrote:
> Hello,
>
> I'm in the process of debugging updated MPI-version codes.
> When running a job on MPI, the error message at the bottom
> returned.
>
> I'm wondering what the "signal 11" means.
>
>
> Thanks,
> Phil
>
>
> -----------------------------------------------------------------------
> ------
> One of the processes started by mpirun has exited with a
> nonzero exit code. This typically indicates that the
> process finished in error. If your process did not finish
> in error, be sure to include a "return 0" or "exit(0)"
> in your C code before exiting the application.
>
> PID 3390 failed on node n0 (172.20.2.122) due to signal 11.
> -----------------------------------------------------------------------
> ------
>
>
>
>
>
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--
{+} Jeff Squyres
{+} jsquyres_at_[hidden]
{+} http://www.lam-mpi.org/
|
