[FLASH-USERS] H5Screate_simple: zero sized dimension

[Mateusz Ruszkowski]

Hi Chris,

you are absolutely right. This is how I dealt with this problem initially 
and it worked.

    thanks for the confirmation,

         Mateusz


On Mon, 2 Nov 2009, Christoper Daley wrote:

> Mateusz Ruszkowski wrote:
>> 
>>
>>  Hi all,
>>
>>  [apologies if you are getting this message more then once; we had some
>>  trouble sending the e-mail]
>>
>>  We are getting a runtime error related to hdf5. The crash occurs the
>>  moment the code is attempting to write the initial conditions. The
>>  standard output includes the following error messages:
>>
>>  .
>>  .
>>  .
>>  Initial dt verified
>>  Driver_abortC called
>>  Error: negative return from memspace H5Screate_simple
>>  Calling MPI_Abort for immediate shutdown
>>
>>  and:
>>
>>  .
>>  .
>>  .
>>  HDF5-DIAG: Error detected in HDF5 library version 1.6.6-snap21 MPI-process
>>  0. Back trace follows.
>>  #000: H5S.c line 1595 in H5Screate_simple(): zero sized dimension for
>>  non-unlimited dimension
>>  major(01): Function arguments
>>  minor(05): Bad value
>>  MPI: On host columbia1, Program
>>  /u/.realmounts/home7/nieusma/Flash/Planet_IR, Rank 0, Process 8697
>>  1 called MPI_Abort(<communicator>, 1)
>> 
>>
>>  A similar error was reported on the FLASH mailing list in the past and a
>>  suggestion was made that this could be due to (min refinement) > (max
>>  refinement) in flash.par. We checked the refinement levels and this does
>>  not appear to be a problem in the above run so the cause of this problem
>>  is probably different in our case. Did anybody encounter similar issues?
>> 
>>
>>  thanks,
>>  Mateusz & Justin
>> 
>
> Hi Mateusz, Justin,
>
> I think this is happening because there are zero blocks on at least
> one processor. You can check whether this is the case by looking in
> the flash log file from your run. Look for the last
> amr_refine_derefine message of the form:
>
> [GRID amr_refine_derefine] min blks 17 max blks 18 tot blks 69
>
> I expect there is a min blks 0 in your message. A temporary
> workaround is to run your application on fewer processors.
>
> Regards,
> Chris
>
>
>
>