Should have also warned you: you'll need to configure OMPI --with-devel-headers 
to get this program to build/run.


On Dec 30, 2010, at 1:54 PM, Ralph Castain wrote:

> Well, I couldn't do it as a patch - proved too complicated as the psm system 
> looks for the value early in the boot procedure.
> 
> What I can do is give you the attached key generator program. It outputs the 
> envar required to run your program. So if you run the attached program and 
> then export the output into your environment, you should be okay. Looks like 
> this:
> 
> $ ./psm_keygen
> OMPI_MCA_orte_precondition_transports=0099b3eaa2c1547e-afb287789133a954
> $ 
> 
> You compile the program with the usual mpicc.
> 
> Let me know if this solves the problem (or not).
> Ralph
> 
> <psm_keygen.c>
> 
> On Dec 30, 2010, at 11:18 AM, Michael Di Domenico wrote:
> 
>> Sure, i'll give it a go
>> 
>> On Thu, Dec 30, 2010 at 5:53 PM, Ralph Castain <r...@open-mpi.org> wrote:
>>> Ah, yes - that is going to be a problem. The PSM key gets generated by 
>>> mpirun as it is shared info - i.e., every proc has to get the same value.
>>> 
>>> I can create a patch that will do this for the srun direct-launch scenario, 
>>> if you want to try it. Would be later today, though.
>>> 
>>> 
>>> On Dec 30, 2010, at 10:31 AM, Michael Di Domenico wrote:
>>> 
>>>> Well maybe not horray, yet.  I might have jumped the gun a bit, it's
>>>> looking like srun works in general, but perhaps not with PSM
>>>> 
>>>> With PSM i get this error, (at least now i know what i changed)
>>>> 
>>>> Error obtaining unique transport key from ORTE
>>>> (orte_precondition_transports not present in the environment)
>>>> PML add procs failed
>>>> --> Returned "Error" (-1) instead of "Success" (0)
>>>> 
>>>> Turn off PSM and srun works fine
>>>> 
>>>> 
>>>> On Thu, Dec 30, 2010 at 5:13 PM, Ralph Castain <r...@open-mpi.org> wrote:
>>>>> Hooray!
>>>>> 
>>>>> On Dec 30, 2010, at 9:57 AM, Michael Di Domenico wrote:
>>>>> 
>>>>>> I think i take it all back.  I just tried it again and it seems to
>>>>>> work now.  I'm not sure what I changed (between my first and this
>>>>>> msg), but it does appear to work now.
>>>>>> 
>>>>>> On Thu, Dec 30, 2010 at 4:31 PM, Michael Di Domenico
>>>>>> <mdidomeni...@gmail.com> wrote:
>>>>>>> Yes that's true, error messages help.  I was hoping there was some
>>>>>>> documentation to see what i've done wrong.  I can't easily cut and
>>>>>>> paste errors from my cluster.
>>>>>>> 
>>>>>>> Here's a snippet (hand typed) of the error message, but it does look
>>>>>>> like a rank communications error
>>>>>>> 
>>>>>>> ORTE_ERROR_LOG: A message is attempting to be sent to a process whose
>>>>>>> contact information is unknown in file rml_oob_send.c at line 145.
>>>>>>> *** MPI_INIT failure message (snipped) ***
>>>>>>> orte_grpcomm_modex failed
>>>>>>> --> Returned "A messages is attempting to be sent to a process whose
>>>>>>> contact information us uknown" (-117) instead of "Success" (0)
>>>>>>> 
>>>>>>> This msg repeats for each rank, an ultimately hangs the srun which i
>>>>>>> have to Ctrl-C and terminate
>>>>>>> 
>>>>>>> I have mpiports defined in my slurm config and running srun with
>>>>>>> -resv-ports does show the SLURM_RESV_PORTS environment variable
>>>>>>> getting parts to the shell
>>>>>>> 
>>>>>>> 
>>>>>>> On Thu, Dec 23, 2010 at 8:09 PM, Ralph Castain <r...@open-mpi.org> 
>>>>>>> wrote:
>>>>>>>> I'm not sure there is any documentation yet - not much clamor for it. 
>>>>>>>> :-/
>>>>>>>> 
>>>>>>>> It would really help if you included the error message. Otherwise, all 
>>>>>>>> I can do is guess, which wastes both of our time :-(
>>>>>>>> 
>>>>>>>> My best guess is that the port reservation didn't get passed down to 
>>>>>>>> the MPI procs properly - but that's just a guess.
>>>>>>>> 
>>>>>>>> 
>>>>>>>> On Dec 23, 2010, at 12:46 PM, Michael Di Domenico wrote:
>>>>>>>> 
>>>>>>>>> Can anyone point me towards the most recent documentation for using
>>>>>>>>> srun and openmpi?
>>>>>>>>> 
>>>>>>>>> I followed what i found on the web with enabling the MpiPorts config
>>>>>>>>> in slurm and using the --resv-ports switch, but I'm getting an error
>>>>>>>>> from openmpi during setup.
>>>>>>>>> 
>>>>>>>>> I'm using Slurm 2.1.15 and Openmpi 1.5 w/PSM
>>>>>>>>> 
>>>>>>>>> I'm sure I'm missing a step.
>>>>>>>>> 
>>>>>>>>> Thanks
>>>>>>>>> _______________________________________________
>>>>>>>>> users mailing list
>>>>>>>>> us...@open-mpi.org
>>>>>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>>>>>>> 
>>>>>>>> 
>>>>>>>> _______________________________________________
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>>>>>>>> 
>>>>>>> 
>>>>>> 
>>>>>> _______________________________________________
>>>>>> users mailing list
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>>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>>>> 
>>>>> 
>>>>> _______________________________________________
>>>>> users mailing list
>>>>> us...@open-mpi.org
>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>>>> 
>>>> 
>>>> _______________________________________________
>>>> users mailing list
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>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>> 
>>> 
>>> _______________________________________________
>>> users mailing list
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>>> 
>> 
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