Nobody stepped up, so I fixed this in r26257

On Apr 9, 2012, at 9:21 AM, Ralph Castain wrote:

> 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
>> 
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> 


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