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

[Mark L Richardson]

Hi Chris,
  Thanks, that did the trick. And it's good to know the mpich2-1.2.1 no
longer allows in-place AllGather for some of my own work.

Cheers,
  -Mark


On Fri, Apr 5, 2013 at 9:35 AM, Christopher Daley <cdaley at flash.uchicago.edu
> wrote:

>  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
>
> 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>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
> 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>
>
>
>


-- 
Mark Richardson,
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
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