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 <baaga...@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 > >
