[petsc-dev] segfaults with mpich 3.2 and clang (Apple LLVM 8.0.0, clang 800.0.42.1)

[Jeff Hammond]

See https://github.com/elemental/Elemental/issues/200.

Jeff

On Fri, Feb 10, 2017 at 12:05 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>
>   I am using MPICH 3.2 with 8.2.1 and typically run the entire PETSc test
> suite. Have not observed problems. Maybe upgrade Xcode first?
>
>
> > On Feb 10, 2017, at 1:59 PM, Brad Aagaard <baagaard at usgs.gov> wrote:
> >
> > Are there any known issues with mpich3.2 and clang (Apple LLVM 8.0.0,
> clang 800.0.42.1)? I am getting segfaults in MPI routines within PETSc.
> > The error is: write_line error; fd=-1 buf=:cmd=abort exitcode=59, which
> appears to be similar to the recent DMPlexCreateExodusFromFile() does not
> work on macOS Sierra thread
> > https://lists.mcs.anl.gov/mailman/htdig/petsc-users/
> 2017-January/031463.html
> >
> > However, I am not using any Darwin packaging system like homebrew. I am
> building PETSc via the PyLith installer which builds mpich, NetCDF, HDF5,
> etc from scratch using the Apple's clang. If I swap mpich3.2 for
> mpich3.1.3, these segfaults go away, so I am inclined to blame mpich3.2.
> >
> > If this is a unknown or undiagnosed issue, I will try a standalone PETSc
> install to try to reproduce it.
> >
> > Thanks,
> > Brad
> >
> >
>
>


-- 
Jeff Hammond
jeff.science at gmail.com
http://jeffhammond.github.io/
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