Does this need to be CMR'ed to 1.4 and/or 1.5?
On Mar 16, 2011, at 10:27 PM, Ralph Castain wrote: > Okay, I fixed this in r24536. > > Sorry for the problem, Damien - thanks for catching it! Went unnoticed > because the folks at the Labs always use IB. > > > On Mar 16, 2011, at 7:20 PM, Ralph Castain wrote: > >> I believe I see the problem - and why it wouldn't show up for IB. It looks >> like the hier module passes an incorrect flag to the modex unpack function, >> which causes that function to place the modex values as attributes assigned >> to the node instead of a process, rather than placing the values into the >> modex database. So when you look up a value, you get a single value for the >> entire node. >> >> Works for IB because the interface info is at the node level. Doesn't work >> for TCP because the "interface" info is at the proc level. >> >> Since it was only tested on IB before, this didn't show up. Should be easy >> to fix. >> >> On Mar 16, 2011, at 6:15 PM, Jeff Squyres wrote: >> >>> On Mar 16, 2011, at 5:37 PM, George Bosilca wrote: >>> >>>> I just checked and IB does work correctly. But then I remembered that IB >>>> is different, the connection are peer based, so they don't happens during >>>> the modex exchange. The data is exchanged over RML messages, but outside >>>> the modex. >>> >>> Not quite. The openib BTL does use the modex to send around connection >>> information. The actual connections are made lazily -- just like the TCP >>> BTL -- but the OOB CPC (i.e., the default connection mode in the openib >>> BTL) uses RML to do the 2/3 way handshake. That's all. >>> >>> But the point here is: the openib BTL does rely on the modex. >>> >>> -- >>> Jeff Squyres >>> jsquy...@cisco.com >>> For corporate legal information go to: >>> http://www.cisco.com/web/about/doing_business/legal/cri/ >>> >>> >>> _______________________________________________ >>> devel mailing list >>> de...@open-mpi.org >>> http://www.open-mpi.org/mailman/listinfo.cgi/devel >> > > > _______________________________________________ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
