set to 1 or 0 instead of the user defined number or default (128).
This caused the PLS to deadlock when using '--debug-daemons' with
more than 2 processes. :(
svn blame says that it was broken in r11347
It is *not* a problem on v1.1 or v1.2 branches.
Bug spotted by Tim Mattox and myself.
This commit was SVN r11575.
The following SVN revision numbers were found above:
r11347 --> open-mpi/ompi@f52c10d18e