[mpich2-dev] Issue getting attribute UNIVERSE_SIZE in singleton mode

[Lisandro Dalcin]

On 10 August 2010 23:31, Pavan Balaji <balaji at mcs.anl.gov> wrote:
> Hi,
>
> On 08/10/2010 10:52 AM, Lisandro Dalcin wrote:
>>
>> However, if I run the script as a singleton (I mean, not under mpiexec
>> control):
>>
>> $ python usize.py
>> [mpiexec at trantor] match_arg (./utils/args/args.c:122): unrecognized
>> argument pmi_args
>> [mpiexec at trantor] HYDU_parse_array (./utils/args/args.c:140): argument
>> matching returned error
>> [mpiexec at trantor] HYD_uii_mpx_get_parameters
>> (./ui/mpich/utils.c:1016): error parsing input array
>>
>> Usage: ./mpiexec [global opts] [exec1 local opts] : [exec2 local opts] :
>> ...
>> ...
>> <more mpiexec help output>
>> ...
>> <hang>
>
> I'm not sure how mpiexec is being called in a single init. Without the
> python bindings, MPICH2 trunk seems to work correctly for singleton init. Is
> your wrapper calling mpiexec in some way?
>

No, I'm definitely not calling mpiexec. I'm still getting the failure,
now with the simple, pure C code here:
http://code.google.com/p/mpi4py/source/browse/#svn/trunk/demo/spawning.

Let me svn update, rebuild and test, perhaps something got fixed
between my test and yours.


-- 
Lisandro Dalcin
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