[mpich-discuss] turning off MPI abort messages

[Jeff Hammond]

>> 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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-- 
Jeff Hammond
jeff.science at gmail.com