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Subject: Re: [OMPI devel] SCTP noisy failure
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2007-12-12 21:03:30

On Dec 12, 2007, at 8:58 PM, Brad Penoff wrote:

>> That's not really the issue: I don't *want* SCTP support. :)
>> I have a default RHEL4U4 install and now Open MPI is complaining on a
>> default mpirun. Open MPI should work out of the box -- warning free
>> -- on all supported operating systems.
> Haha, I caught that part as well (about the exclusivity "fix"). I was
> just curious why the error is there in the first place because, after
> all, everyone should want SCTP support, right ;-) ?


> I didn't know
> that any Linux distro had lksctp-tools installed by default, but the
> module not loaded... learn something new every day though.

Gotta love those screwy software authors!

(I'm sure lots of people say that about us, too :-) )

> So there's two issues (exclusivity not working as expected and then
> the SCTP failure if you actually wanted SCTP support) and I'm
> concerned about the one that most of you are not, I'm guessing ;-).

I think exclusivity *is* working -- this is before that comes into
play, IIRC. The _init function is querying your BTL to see if it
wants to run.

Jeff Squyres
Cisco Systems