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From: Galen M. Shipman (gshipman_at_[hidden])
Date: 2006-03-15 17:29:12


>
> thank you for your prompt reply. Yep, I'm able to run my parallel
> app as
> root. The following is the command line i use to start the MPI:

Since you are able to successfully run the app as root I would say we
are dealing with a permissions issue. What does "ulimit -a" report?

Galen

> mpirun -v -d -hostfile hostfile -np 2 -prefix /usr/local mpi_test
>
> Thank you so much for your help!
>
> Davide
>
>
> Galen M. Shipman wrote:
>> Hi Davide,
>>
>> Are you able to run this as root? This would tell me if this is a
>> permissions issue.
>> Also what options are you specifying to mpirun?
>>
>> Thanks,
>>
>> Galen
>>
>> On Mar 15, 2006, at 1:41 PM, Davide Bergamasco wrote:
>>
>>> Hello,
>>>
>>> I'm trying to run OpenMPI on top of OpenIB but I'm running into a
>>> weird memory allocation issue. I already tried all the suggestions
>>> listed in the FAQs (i.e., increase the locked mem limit, etc.)
>>> but I'm
>>> still having trouble. After the initialization a get an infinite
>>> string of messages like this:
>>>
>>> [gridnode:27003] mca_mpool_openib_register: error registering openib
>>> memory of size 2109440 errno says Cannot allocate memory
>>>
>>> It seems like OpenMPI has entered an infinite loop.
>>>
>>> Any help from the kind folks on this list will be greatly
>>> appreciated!!
>>>
>>> Thanks
>>>
>>> Davide
>>>
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>>
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