[mpich-discuss] MPICH 3.1 fails doesn't create core file.

[Anatoly G]

Thank you for an advice.
Unfortunately I can't change input data rate (from external source). We are
working on slow down input rate. Using debugger cause execution slowdown an
we can't deal with current data rate.

Regards,
Anatoly.

On Mon, Oct 13, 2014 at 8:03 AM, James <jamesqf at charter.net> wrote:

> You could try running the master process under gdb.  If it terminates
> abnormally - e.g. something like a segfault - you can then do a backtrace
> to find out where the problem is happening.  Or if you get a "program
> terminated normally" message, then you know that it's following some
> code path that causes it to terminate.
>
> James
>
> On Sun, 12 Oct 2014 20:42:33 -0700, Anatoly G <anatolyrishon at gmail.com>
> wrote:
>
>  I'm not sure about my current failure.
>> I execute my application (MPI processes). Each process executes endless
>> loop. After a couple of hours Master process fails (disappears - I can't
>> see it using 'ps' command). There is no core file. I'm not sure about the
>> reason of failure.
>> It looks strange that single process (15 processes executed) fails w/o
>> core
>> file dropping.
>> I suspect that I'm using MPICH in wrong way, which causes failure.
>> But like I said before I'm not sure about failure.
>>
>> Regards,
>> Anatoly.
>>
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