[petsc-users] Parallel writing in HDF5-1.12.0 when some processors have no data to write

[Jed Brown]

Danyang Su <danyang.su at gmail.com> writes:

> Hi Barry,
>
> The HDF5 calls fail. I reconfigure PETSc with HDF 1.10.5 version and it works fine on different platforms. So, it is more likely there is a bug in the latest HDF version.

I would double-check that you have not subtly violated a collective requirement in the interface, then report to upstream.