Open MPI logo

Open MPI Development Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Development mailing list

Subject: Re: [OMPI devel] r26565 (orte progress threads and libevent thread support by default) causing segfaults
From: Ralph Castain (rhc_at_[hidden])
Date: 2012-06-11 17:27:29


I've reverted the default config for now - not sure when I'll get another chance to tackle it, but hopefully soon. Looks like there is a problem in the TCP oob where we lose messages every now and then.

On Jun 11, 2012, at 11:44 AM, Jeff Squyres wrote:

> On Jun 11, 2012, at 1:42 PM, Ralph Castain wrote:
>
>>>> will have to look more at the loop_spawn issue later.
>>> The original one I reported, I assume? I see similar stacks on segfaults with a variety of tests. So, I think it's not specific to loop_spawn.
>>
>> It's a race condition in the oob, so I'm looking at it.
>
> FWIW, I'm seeing some hangs on the trunk this morning, too -- even when I specify the tcp oob. Mebbe 1 run in 10. I haven't had time to diagnose -- I'm working on something else...
>
> --
> Jeff Squyres
> jsquyres_at_[hidden]
> For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
>
>
> _______________________________________________
> devel mailing list
> devel_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/devel