[mpich-discuss] turning off MPI abort messages

[Barry Smith]

  Understood. But I would like to eliminate both sets of error messages and still provide a useful “return code”. Perhaps compile time options to the library?

   Barry

On Feb 21, 2014, at 12:40 PM, Jim Dinan <james.dinan at gmail.com> wrote:

> A little more detail -- you're actually getting messages from two sources: (1) the MPICH library ("application called MPI_Abort...") and (2) the job launcher ("BAD TERMINATION...").  You can eliminate the messages from the job launcher by providing an error code of 0 in MPI_Abort.
> 
>  ~Jim.
> 
> 
> 
> 
> On Fri, Feb 21, 2014 at 1:19 PM, Jeff Hammond <jeff.science at gmail.com> wrote:
> >> Just configure MPICH such that snprintf isn't discovered by configure
> >> and you won't see these messages.
> >>
> >> The other solution is to fix PETSc so that people can't crash it so easily ;-)
> >
> >    Here we go again. It is not CRASHING; it has detected an error conditioning and trying to appropriately and cleanly terminate. The reason it needs to use MPI_Abort() is that often detecting error conditions is not a uniformly collective thing.
> >
> >     Printing a suitable error message and ending is not crashing. But with all the badly formatted “error messages” printed by MPICH I can not control at the end it looks like it is crashing.
> 
> You're returning a non-zero exit code, which I consider crashing.  I
> apologize if this definition disagrees with yours.  If this is just
> gentle cleanup, why not exit with code=0 as Jim suggested already?
> 
> Jeff
> 
> >> On Thu, Feb 20, 2014 at 3:19 PM, Jim Dinan <james.dinan at gmail.com> wrote:
> >>> If you can find a way to call MPI_Finalize instead, you will portably
> >>> eliminate these messages.
> >>>
> >>> A lesser solution would be to provide an error code of 0 (or MPI_SUCCESS) to
> >>> MPI_Abort, e.g. MPI_Comm_abort(MPI_COMM_WORLD, MPI_SUCCESS).  This would
> >>> eliminate the error message that you are getting from the job launcher.
> >>> MPICH could be modified to be quiet about the abort when the application
> >>> aborts with an error code of MPI_SUCCESS.
> >>>
> >>> ~Jim.
> >>>
> >>>
> >>> On Thu, Feb 20, 2014 at 12:33 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:
> >>>>
> >>>>
> >>>>   Is there any way to turn off MPICH (and others) printing messages about
> >>>> MPI_Abort?  We have already prepared and presented useful error messages to
> >>>> the user about the situation and would like to avoid having these additional
> >>>> messages printed (that often make the situation look worse than it is)
> >>>>
> >>>>    Thanks
> >>>>
> >>>>   Barry
> >>>>
> >>>> application called MPI_Abort(MPI_COMM_WORLD, 56) - process 0
> >>>> [cli_0]: aborting job:
> >>>> application called MPI_Abort(MPI_COMM_WORLD, 56) - process 0
> >>>>
> >>>>
> >>>> ==================================================================mailto:discuss at mpich.org=================
> >>>> =   BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES
> >>>> =   EXIT CODE: 56
> >>>> =   CLEANING UP REMAINING PROCESSES
> >>>> =   YOU CAN IGNORE THE BELOW CLEANUP MESSAGES
> >>>>
> >>>> ===================================================================================
> >>>>
> >>>>
> >>>>
> >>>>
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> >>>
> >>>
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> >>
> >>
> >>
> >> --
> >> Jeff Hammond
> >> jeff.science at gmail.com
> >> _______________________________________________
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> >
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> 
> 
> --
> Jeff Hammond
> jeff.science at gmail.com
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