MPICH2

[Pete Wyckoff]

jlgr at super.unam.mx wrote on Tue, 08 Mar 2005 22:09 -0600:
> I'm using MPICH2-1.0.1 and mpiexec-0.77. 
> 
> mpich was configured as
> 
> configure --prefix=/home/staff/jlgr/mpich2 --enable-pmiport
> 
> and mpiexec as
> 
> configure --with-default-comm=mpich2-pmi
> 
> 
> but when I submit a job I get the next error:
> 
> mpiexec: Error: accept_pmi_conn: in cmd=init, expecting 1 word total.
> aborting job:
> got unexpected response to init :cmd=init pmi_version=1 pmi_subversion=1
> :
> 
> any ideas?

Yes, they changed the PMI implementation in mpich2 somewhere between
0.97 and 1.0.1, so it won't work as is.  Fortunately the mpich2
developers realized adding these new version strings would be a good
idea so the next time something changes it might be smoother.

I'm kind of in the middle of some pretty invasive changes at the moment,
but could probably pull out a patch to mpiexec-0.77 that would solve
your PMI issue.  Would that be helpful now?  Or would you mind waiting
a couple of weeks?

		-- Pete