[mpich-discuss] MPI_Win_free failed

[Pavan Balaji]

Please send a *simple* example which demonstrates the problem.

I'm almost certain it's a problem with your application and not with 
MPI.  Hence you going through the exercise of creating a simple example 
will allow you to figure out what's wrong.

  -- Pavan

On 07/23/2013 06:10 PM, Sufeng Niu wrote:
> sure, no problem. but I guess svn maybe easier. since there is some
> images file to run it. Can you use svn to clone it?
>
> it is: https://subversion.xray.aps.anl.gov/detpool/SUFENGNIU/MPI_Compression
>
> just make, you need two terminals to run it. one terminal type:
> ./run.perl main
> the second terminal type: ./udp_client 55Fe_run5.tif
>
> which is that the first terminal send the data, the second terminal
> receive it and process it.
>
> Thank you so much. Due to my limited knowledge I didn't find out where
> is the problem.
>
> once again, thanks a lot!
>
> Sufeng
>
>
> On Tue, Jul 23, 2013 at 6:00 PM, Pavan Balaji <balaji at mcs.anl.gov
> <mailto:balaji at mcs.anl.gov>> wrote:
>
>
>     Can you send us a simple program that gives this error?
>
>       -- Pavan
>
>
>     On 07/23/2013 05:55 PM, Sufeng Niu wrote:
>
>         Hello,
>
>         I used MPI_Win_free, and it returns error code: 45, Invalid
>         MPI_Win. I
>         checked all my code, but I still cannot find out where is the
>         problem. I
>         was wondering any one can give a suggestion?
>
>         I defined win as
>         MPI_Win win;
>
>         in RMA, I create a sub communicator: MPI_FOR_WORLD
>         MPI_Win_create(image_buff,
>         2*image_info->image_size*__sizeof(uint16),
>         sizeof(uint16), MPI_INFO_NULL, MPI_FOR_WORLD, win);
>
>         In other MPI_FOR_WORLD process:
>         MPI_Win_create(MPI_BOTTOM, 0, sizeof(uint16), MPI_INFO_NULL,
>         MPI_FOR_WORLD, win);
>
>         I use MPI_Get, just as normal thing. no mem violation.
>
>         free it as
>         MPI_Win_free(&win);
>
>         I still cannot figure out why it keeps saying MPI_Win_free
>         failed. Thank
>         you very much for any suggestions.
>
>         --
>         Best Regards,
>         Sufeng Niu
>         ECASP lab, ECE department, Illinois Institute of Technology
>         Tel: 312-731-7219 <tel:312-731-7219> <tel:312-731-7219
>         <tel:312-731-7219>>
>
>
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>
>     --
>     Pavan Balaji
>     http://www.mcs.anl.gov/~balaji
>
>
>
>
> --
> Best Regards,
> Sufeng Niu
> ECASP lab, ECE department, Illinois Institute of Technology
> Tel: 312-731-7219

-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji