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From: Galen Shipman (gshipman_at_[hidden])
Date: 2007-06-13 13:37:46


On Jun 13, 2007, at 11:33 AM, Jeff Squyres wrote:

> On Jun 13, 2007, at 1:15 PM, Nysal Jan wrote:
>
>> There is a ticket (closed) here: https://svn.open-mpi.org/trac/ompi/
>> ticket/548
>> It was fixed by Galen for 1.2.
>
> Ah -- I forgot to look at closed tickets. I think we broke it again;
> it certainly fails on the trunk (perhaps related to what Gleb
> found?). I did not test 1.2.
>
>> There is a FAQ entry also about this http://www.open-mpi.org/faq/?
>> category=openfabrics#ofa-port-wireup
>
> That's what it *should* be doing, but I wonder if that's what it
> *actually* is doing.

So it has been a while but we tested this on our local cluster with
differing number of ports and it worked, but I was doing simple ping-
pongs.
If both sides try to open a connection at the same time however,
badness can occur, from my understanding of this.
- Galen

>
> --
> Jeff Squyres
> Cisco Systems
>
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