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Subject: Re: [OMPI users] Myricom MX2G Segmentation fault on OMPI 1.6
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2012-06-29 14:28:50


Apparently, I can't read -- I'm sorry; you did say exactly the right thing and my eyes parsed it wrong.

Yes, you did the right thing by removing mca_btl_mx.*.

I can't imagine why you're getting those errors -- there should be nothing else in OMPI that refers to mca_btl_mx.*.

*** George -- any ideas? I'm not an MX guy, nor do I have any MX hardware to test with.

On Jun 29, 2012, at 2:24 PM, Yong Qin wrote:

> I'm confused now :).
>
> I thought that's what I did, removing "mca_btl_mx.la" and
> "mca_btl_mx.so". This is the MX BTL plugin, right?
>
> On Fri, Jun 29, 2012 at 11:16 AM, Jeff Squyres <jsquyres_at_[hidden]> wrote:
>> On Jun 29, 2012, at 2:14 PM, Yong Qin wrote:
>>
>>> Thanks Jeff for the doc. However I'm not sure if I understand your
>>> following comment correctly. If I remove the MX BTL plugins, a.k.a.,
>>> mca_btl_mx.la and mca_btl_mx.so, I'm now getting errors of these
>>> components not found.
>>>
>>> [n0026.hbar:09467] mca: base: component_find: unable to open
>>> .../mca_btl_mx.la: file not found (ignored)
>>> [n0026.hbar:09467] mca: base: component_find: unable to open
>>> .../mca_btl_mx.so: file not found (ignored)
>>>
>>> And it still uses TCP BTL instead of MX MTL from what I can tell. Am I
>>> doing things wrong?
>>
>> Yoinks, I'm sorry -- that's not quite what I meant. I meant remove the *BTL* plugin, not the *MTL* plugin.
>>
>> I.e., if *only* the MX MTL is there, there should be no conflict between the two (per that bug you and George found), and you should be ok.
>>
>> --
>> Jeff Squyres
>> jsquyres_at_[hidden]
>> For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
>>
>>
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-- 
Jeff Squyres
jsquyres_at_[hidden]
For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/