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From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2007-07-27 08:18:58


On Jul 25, 2007, at 10:22 AM, David Erukhimovich wrote:

> But when I trying to run it on more computers with the attached
> machinefile:
>
> mpiexec --machinefile mpd.hosts -np 2 hostname
>
> I get the following error massage:
>
> [mos31:31104] [0,0,0] ORTE_ERROR_LOG: Data unpack had inadequate
> space in file dss/dss_unpack.c at line 90
> [mos31:31104] [0,0,0] ORTE_ERROR_LOG: Data unpack had inadequate
> space in file gpr_replica_cmd_processor.c at line 361

Can you double check that you're not mixing multiple versions of Open
MPI across your two machines? We tend to change wire protocols
behind the scenes between versions -- if you have OMPI version A on
one machine and OMPI version B on another, things may behave in
unpredictable (read: bad) ways.

-- 
Jeff Squyres
Cisco Systems