Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Open MPI User's mailing list

Subject: Re: [OMPI users] btl_openib_cpc_include rdmacm questions
From: Brock Palen (brockp_at_[hidden])
Date: 2011-05-13 16:38:26


On May 13, 2011, at 4:09 PM, Dave Love wrote:

> Jeff Squyres <jsquyres_at_[hidden]> writes:
>
>> On May 11, 2011, at 3:21 PM, Dave Love wrote:
>>
>>> We can reproduce it with IMB. We could provide access, but we'd have to
>>> negotiate with the owners of the relevant nodes to give you interactive
>>> access to them. Maybe Brock's would be more accessible? (If you
>>> contact me, I may not be able to respond for a few days.)
>>
>> Brock has replied off-list that he, too, is able to reliably reproduce the issue with IMB, and is working to get access for us. Many thanks for your offer; let's see where Brock's access takes us.
>
> Good. Let me know if we could be useful
>
>>>> -- we have not closed this issue,
>>>
>>> Which issue? I couldn't find a relevant-looking one.
>>
>> https://svn.open-mpi.org/trac/ompi/ticket/2714
>
> Thanks. In csse it's useful info, it hangs for me with 1.5.3 & np=32 on
> connectx with more than one collective I can't recall.

Extra data point, that ticket said it ran with mpi_preconnect_mpi 1, well that doesn't help here, both my production code (crash) and IMB still hang.

Brock Palen
www.umich.edu/~brockp
Center for Advanced Computing
brockp_at_[hidden]
(734)936-1985

>
> --
> Excuse the typping -- I have a broken wrist
>
> _______________________________________________
> users mailing list
> users_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/users
>
>