Open MPI logo

Open MPI Development Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Development mailing list

Subject: Re: [OMPI devel] udcm_component_query hangs when memlock not infinite
From: Jeff Squyres (jsquyres) (jsquyres_at_[hidden])
Date: 2014-02-20 10:32:52


Thanks for the report; I filed https://svn.open-mpi.org/trac/ompi/ticket/4290.

On Feb 20, 2014, at 4:34 AM, Brice Goglin <Brice.Goglin_at_[hidden]> wrote:

> Hello,
>
> We're setting up a new cluster here. Open MPI 1.7.4 was hanging at
> startup without any error message. The issue appears to be
> udcm_component_query() hanging in finalize() on the sched_yield() loop
> when memlock limit isn't set to unlimited as usual.
>
> Unfortunately the hangs occur before we print the usual error message
> "you need to set memlock limit to unlimited". If the udcm problem cannot
> be fixed, it would be good to print an error message about memlock not
> being unlimited much earlier.
>
> Brice
>
> _______________________________________________
> devel mailing list
> devel_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/devel

-- 
Jeff Squyres
jsquyres_at_[hidden]
For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/