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Subject: Re: [OMPI devel] segv in coll tuned
From: Lenny Verkhovsky (lenny.verkhovsky_at_[hidden])
Date: 2009-10-12 09:37:03


not since I started testing it :)
it failes somewhere in ompi_coll_tuned_get_target_method_params function, I
am taking a look right now.

On Mon, Oct 12, 2009 at 3:33 PM, Terry Dontje <Terry.Dontje_at_[hidden]> wrote:

> Does that test also pass sometimes? I am seeing some random set of tests
> segv'ing in the SM btl, using a v1.3 derivative.
>
> --td
> Lenny Verkhovsky wrote:
>
>> Hi,
>> I experience the following error with current trunk r22090. It also
>> occures in 1.3 branch.
>> #~/work/svn/ompi/branches/1.3//build_x86-64/install/bin/mpirun -H witch21
>> -np 4 -mca coll_tuned_use_dynamic_rules 1 ./IMB-MPI1 Sometimes it's error,
>> and sometimes it's segv. It recreates with np>4.
>> [witch21:26540] *** An error occurred in MPI_Barrier
>> [witch21:26540] *** on communicator MPI COMMUNICATOR 3 SPLIT FROM 0
>> [witch21:26540] *** MPI_ERR_ARG: invalid argument of some other kind
>> [witch21:26540] *** MPI_ERRORS_ARE_FATAL (your MPI job will now abort)
>> --------------------------------------------------------------------------
>> mpirun has exited due to process rank 0 with PID 26540 on
>> node witch21 exiting without calling "finalize". This may
>> have caused other processes in the application to be
>> terminated by signals sent by mpirun (as reported here).
>> --------------------------------------------------------------------------
>> 3 total processes killed (some possibly by mpirun during cleanup)
>>
>> thanks
>> Lenny.
>> ------------------------------------------------------------------------
>>
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>>
>
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