[mpich2-dev] Parent terminates when the spawned child terminates

Suraj Prabhakaran suraj.prabhakaran at gmail.com
Thu Dec 16 10:41:13 CST 2010


On Thu, Dec 16, 2010 at 4:54 PM, Pavan Balaji <balaji at mcs.anl.gov> wrote:

>
> On 12/16/2010 09:48 AM, Lisandro Dalcin wrote:
>
>> Sorry, but I have to disagree. My reading of the first paragraph at
>> http://www.mpi-forum.org/docs/mpi22-report/node226.htm#Node226,
>> specifically the sentence below:
>>
>> """
>> Similarly, it might be desirable for a parent and child to disconnect,
>> so that errors in the child do not affect the parent, or vice-versa.
>> """
>>
>> means to me that the following comments also apply to spawned
>> processes. Am I missing something?
>>
>
> Ah, I missed that. Good catch. However, I'm not sure *any* MPI
> implementation follows this requirement. You can use the
> -disable-auto-cleanup option as a workaround for now.
>

I had similar problem with OpenMPI but don´t know about others.


>
> Will one of you be able to create a ticket for this, with an example
> program?


I created a ticket at
https://trac.mcs.anl.gov/projects/mpich2/ticket/1148


-- 
Regards,
Suraj Prabhakaran
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