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Subject: Re: [OMPI devel] 1.5rc5 over MX
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2010-09-03 08:20:14


Ditto for the v1.5 patch -- it wasn't committed anywhere and no CMR was filed, so I re-opened the ticket.

Plus you mentioned a 2us (!) latency increase. Doesn't that need attention, too?

On Sep 1, 2010, at 9:09 AM, Scott Atchley wrote:

> Jeff,
>
> I posted a patch on the ticket.
>
> Scott
>
> On Aug 27, 2010, at 3:08 PM, Scott Atchley wrote:
>
>> Jeff,
>>
>> Sure, I need to register to file the tickets.
>>
>> I have not had a chance yet. I will try to look at them first thing next week.
>>
>> Scott
>>
>> On Aug 27, 2010, at 2:41 PM, Jeff Squyres wrote:
>>
>>> Scott --
>>>
>>> Can you file tickets for this against 1.4 and 1.5? These should probably be blockers.
>>>
>>> Have you been able to track these down any further, perchance?
>>>
>>>
>>> On Aug 26, 2010, at 10:38 AM, Scott Atchley wrote:
>>>
>>>> Hi all,
>>>>
>>>> Testing 1.5rc5 over MX with the same setup as 1.4.3rc1 (RHEL 5.4 and MX 1.2.12).
>>>>
>>>> This version also dies during init due to the memory manager if I do not specify which pml to use. If I specify pml ob1 or pml cm, the tests start but die with segfaults:
>>>>
>>>> 131072 320 166.86 749.15
>>>> [rain15:14939] *** Process received signal ***
>>>> [rain15:14939] Signal: Segmentation fault (11)
>>>> [rain15:14939] Signal code: Address not mapped (1)
>>>> [rain15:14939] Failing at address: 0x3b20
>>>>
>>>> Again, configuring without the memory manager or setting OMPI_MCA_memory_ptmalloc2_disable=1 before calling mpirun work.
>>>>
>>>> Similar latency issues with the BTl and not with the MTL.
>>>>
>>>> Scott
>>>> _______________________________________________
>>>> 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/
>>>
>>>
>>> _______________________________________________
>>> devel mailing list
>>> devel_at_[hidden]
>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>>
>>
>> _______________________________________________
>> 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/