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Subject: Re: [OMPI users] MPI_Type_create_darray causes MPI_File_set_view to crash when ndims=2, array_of_gsizes[0]>array_of_gsizes[1]
From: Robert Latham (robl_at_[hidden])
Date: 2008-11-12 17:51:07


On Fri, Oct 31, 2008 at 11:19:39AM -0400, Antonio Molins wrote:
> Hi again,
>
> The problem in a nutshell: it looks like, when I use
> MPI_Type_create_darray with an argument array_of_gsizes where
> array_of_gsizes[0]>array_of_gsizes[1], the datatype returned goes
> through MPI_Type_commit() just fine, but then it causes
> MPI_File_set_view to crash!! Any idea as to why this is happening?

Hi. It sounds like from your description (and confirmed in your
backtrace) that this is a ROMIO bug.

Do you happen to have a small test case for this crash?

Thanks
==rob

-- 
Rob Latham
Mathematics and Computer Science Division    A215 0178 EA2D B059 8CDF
Argonne National Lab, IL USA                 B29D F333 664A 4280 315B