FWIW: this isn't a bug in orte_dpm, but in the MPI binding for comm_join. The problem is that both sides in the comm_join are setting "send_first" to true - i.e., both sides are trying to be the first to send on the handshake. We got away with this before because of a bug in orte_dpm that made the value of send_first irrelevant, but that has now been fixed.
So someone needs to figure out how to properly set "send_first" in comm_join so that the two sides agree on who does what first. Looking at the code, it isn't obvious to me how one would do so as I don't see any rank info passed into the function. On Apr 9, 2012, at 8:31 AM, Josh Hursey wrote: > This is totally not related to the bug report, but a neat trick in Trac. > > My question was "what were the commits between r26240 and 26249"? > In the search box type: > log:@26240:26249 > Or use the direct url: > https://svn.open-mpi.org/trac/ompi/log/?revs=26240-26249 > > nifty... > > -- Josh > > On Mon, Apr 9, 2012 at 9:17 AM, TERRY DONTJE <terry.don...@oracle.com> wrote: >> After looking at Oracles MTT results there seem to be a (some??) regressions >> between r26240 and 26249 detected by the ibm and intel tests suites. An >> example of this is the failures in the comm_join, final and loop_spawn tests >> of the ibm test suite as seen in >> http://www.open-mpi.org/mtt/index.php?do_redir=2055. >> >> Note, I've seen similar errors detected by IU runs too. >> >> I'll look further into this but I thought I would post this just in case >> someone else has seen this. >> -- >> Terry D. Dontje | Principal Software Engineer >> Developer Tools Engineering | +1.781.442.2631 >> Oracle - Performance Technologies >> 95 Network Drive, Burlington, MA 01803 >> Email terry.don...@oracle.com >> >> >> >> >> _______________________________________________ >> devel mailing list >> de...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/devel > > > -- > Joshua Hursey > Postdoctoral Research Associate > Oak Ridge National Laboratory > http://users.nccs.gov/~jjhursey > > _______________________________________________ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel
