[mpich-discuss] [OMPI users] OpenMPI 1.8.4rc3, 1.6.5 and 1.6.3: segmentation violation in mca_io_romio_dist_MPI_File_close

[Rob Latham]

On 12/17/2014 07:04 PM, Eric Chamberland wrote:
> Hi!
>
> Here is a "poor man's fix" that works for me (the idea is not from me,
> thanks to Thomas H.):
>
> #1- char* lCwd = getcwd(0,0);
> #2- chdir(lPathToFile);
> #3- MPI_File_open(...,lFileNameWithoutTooLongPath,...);
> #4- chdir(lCwd);
> #5- ...
>
> I think there are some limitations but it works very well for our
> uses... and until a "real" fix is proposed...

Thanks for the bug report and test cases.  I just pushed two fixes for 
master that fix the problem you were seeing:

http://git.mpich.org/mpich.git/commit/ed39c901
http://git.mpich.org/mpich.git/commit/a30a4721a2

==rob

-- 
Rob Latham
Mathematics and Computer Science Division
Argonne National Lab, IL USA
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