[mpich-discuss] ??? help

Rajeev Thakur thakur at mcs.anl.gov
Tue Jan 31 19:47:21 CST 2012


This error message seems to come from the SMPD process manager. If you have built MPICH2 on Ubuntu, it should be using the Hydra process manager by default.


On Jan 31, 2012, at 7:20 PM, Ed Pataky wrote:

> No Ubuntu .. In case it helps note that I can run the standard way with -n on one machine if I compile without the amps flag but I need the amps options because I want to run over multiple machines 
> 
> Ed
> 
> On Tuesday, January 31, 2012, Rajeev Thakur <thakur at mcs.anl.gov> wrote:
> > Are you running on Windows?
> >
> > On Jan 31, 2012, at 5:11 PM, Ed Pataky wrote:
> >
> >> I am trying to use mpich2 and cannot get it to work!
> >>
> >> does anyone know what this means?
> >>
> >> op_read error on left context: Error = -1
> >> unable to read the challenge string, Error = -1
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