[FLASH-USERS] FLASH setup on stampede.tacc.utexas.edu

[Christopher Daley]

Hi Mark,

We fixed this issue a while back.

You can apply the following patch
http://flash.uchicago.edu/~cdaley/FLASH3.2_patches/fix_mpi_calls/fix_mpi_calls.diff 
<http://flash.uchicago.edu/%7Ecdaley/FLASH3.2_patches/fix_mpi_calls/fix_mpi_calls.diff>

but a better solution is to update to the latest version of FLASH.

Chris

On 04/05/2013 11:27 AM, Mark L Richardson wrote:
> Hello Klaus,
>   This is the same Sedov build that runs fine on Lonestar.
>
> The line appears to be in mpi_amr_morton_limits:
>
>       call MPI_Allgather(morton_limits(1,1,1,mype+1),  6*4,MPI_INTEGER, &
>      & morton_limits,6*4,MPI_INTEGER, &
>      &                   MPI_COMM_WORLD,ierror)
>
> Thanks for your help,
>   -Mark
>
>
>
> On Fri, Apr 5, 2013 at 7:43 AM, Klaus Weide <klaus at flash.uchicago.edu 
> <mailto:klaus at flash.uchicago.edu>> wrote:
>
>     On Fri, 5 Apr 2013, Mark L Richardson wrote:
>
>     > [cli_0]: aborting job:
>     > Fatal error in PMPI_Allgather:
>     > Invalid buffer pointer, error stack:
>     > PMPI_Allgather(975): MPI_Allgather(sbuf=0xd665eb0, scount=24,
>     MPI_INTEGER,
>     > rbuf=0xd665eb0, rcount=24, MPI_INTEGER, MPI_COMM_WORLD) failed
>     > PMPI_Allgather(950): Buffers must not be aliased
>     >
>     >
>     > Has anyone dealt with this before?
>
>     Mark,
>
>     You seem to have somewhere in the source a call to Allgather that
>     improperly uses the same buffer as the first and 4th actual argument.
>
>     Try to locate this call. I assume it is in user-provided code; if it
>     was in a part of the FLASH code that gets exercised under normal
>     circumstances, we should have already run into it and fixed it.
>
>     Klaus
>
>
>
>
> -- 
> Mark Richardson,
> Mark.L.Richardson at asu.edu <mailto:Mark.L.Richardson at asu.edu>
> Ph.D. Candidate: Astrophysics
> ISTB4 623
> School of Earth and Space Exploration
> Arizona State University
> 480 318-4449
> www.public.asu.edu/~mlricha4 <http://www.public.asu.edu/%7Emlricha4>

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