i opened #4610 https://svn.open-mpi.org/trac/ompi/ticket/4610
and attached a patch for the v1.8 branch
i ran several tests from the intel_tests test suite and did not observe
any regression.
please note there are still issues when running with --mca btl
scif,vader,self
this might be an other
I ran some more investigations with --mca btl scif,self
i found that the previous patch i posted was complete crap and i
apologize for it.
on a brighter side, and imho, the issue only occurs if fragments are
received (and then processed) out of order.
/* i did not observe this with the tcp btl,
