Thanks Christian. Actually, I was aware of that and should have clarified that these tests did *not* involve the IPv6 code.
Ralph On 4/17/07 1:31 AM, "Christian Kauhaus" <ckauh...@minet.uni-jena.de> wrote: > Ralph H Castain <r...@lanl.gov>: >> even though the HNP isn't actually part of the MPI job itself, or the >> processes are opening duplicate OOB sockets back to the HNP. I am not >> certain which (or either) of these is the root cause, however - it needs >> further investigation to identify the source of the extra sockets. > > If you are using the IPv6-ready code: in this case we need to create two > sockets for each OOB/TCP. One uses AF_INET and one uses AF_INET6. > IIRC, we close the superfluous socket once the connection attempt on > either one succeeds. Adrian, correct me if I'm wrong. :-) > Unfortunately, there's no easy way around this. > > Christian