Open MPI logo

Hardware Locality Users' Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Hardware Locality Users mailing list

Subject: Re: [hwloc-users] Hwloc error.
From: John Hanks (john.hanks_at_[hidden])
Date: 2012-05-31 01:27:27


Brice,

Thanks for the advice, I may have gotten lucky. During POST it clearly
shows 4 nodes, Node 0, Node1 Node 2 and Node 3 with nodes 0 and 3
marked N/A. Have sent a screenshot of that to HP.

jbh

On Wed, May 30, 2012 at 1:26 PM, Brice Goglin <Brice.Goglin_at_[hidden]> wrote:
> We don't need any other info on the hwloc side. And we thank you for
> testing the big hwloc warning code :)
>
> For HP:
> * If you're lucky, the BIOS may talk about the number of NUMA nodes
> (either on the usual messages during boot, or in the BIOS configuration
> menu). See if it says 2 on the broken node instead of 4 on other nodes,
> you have something easy to tell HP.
> * Otherwise we'll have to dig in the SRAT ACPI info. "dmesg | grep SRAT"
> should talk about some "PXM" properties, which are basically NUMA
> localities. You should see PXM 1 and 2 on the broken node, and PXM 0, 1,
> 2 and 3 on the other ones. SRAT comes from ACPI, if SRAT is broken, the
> hardware/firmware is buggy.
>
> Brice
>
>
>
>
> Le 30/05/2012 21:06, John Hanks a écrit :
>> I updated the BIOS and still got the error on this host, then I did
>> what I should have done in the first place and checked another
>> physically identical host. Of the 4 nodes I have that are the same,
>> only this one exhibits the error. At this point I'm blaming a hardware
>> problem, if there's any benefit to hwloc for me to send additional
>> debugging information I am happy to, otherwise I'm going try to figure
>> out how what to say to HP to get this node fixed.
>>
>> Thanks,
>>
>> jbh
>>
>> On Wed, May 30, 2012 at 9:27 AM, John Hanks <john.hanks_at_[hidden]> wrote:
>>> I recently inherited these machines and would bet small amounts of
>>> hard currency they have never seen a BIOS update since birth. I'll
>>> figure out how to update the BIOS and let you know if the error
>>> persists.
>>>
>>> Thanks,
>>>
>>> jbh
>>>
>>> On Wed, May 30, 2012 at 9:24 AM, Jeff Squyres <jsquyres_at_[hidden]> wrote:
>>>> On May 30, 2012, at 11:22 AM, Samuel Thibault wrote:
>>>>
>>>>> i.e. the kernel reports that socket 0 is completely in node 1, while
>>>>> socket 1 is half in node 1 and half in node 2. Do you have more
>>>>> information about what the machine actually contains socket- and
>>>>> NUMA-wise? The dell website is not really felpful, it talks about 4-16
>>>>> cores for the DL165 G7, while you have 24.
>>>>
>>>> How old is your Dell BIOS firmware?  You might need to update it.
>>>>
>>>> --
>>>> Jeff Squyres
>>>> jsquyres_at_[hidden]
>>>> For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
>>>>
>>>>
>>>> _______________________________________________
>>>> hwloc-users mailing list
>>>> hwloc-users_at_[hidden]
>>>> http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users
>> _______________________________________________
>> hwloc-users mailing list
>> hwloc-users_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users
>
> _______________________________________________
> hwloc-users mailing list
> hwloc-users_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users