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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

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]

Jeff Squyres
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