Re: mpich trouble in testing?

[Adam C Powell IV <hazelsct@mit.edu>]

Junichi Uekawa wrote:

> In Fri, 19 Jan 2001 10:22:43 -0500 Adam C Powell IV <hazelsct@mit.edu> cum veritate scripsit :
>
> Hi,
>
> > I upgraded our four alphas to testing, with mpich 1.2.1-1, and rebuilt
> > PETSc and an application linked to it, but am having some trouble.  When
> > I do "mpirun -np 1 ./ex9", it's fine, but with -np 2, it sits for a
> > while, then says, "ALF.MIT.EDU: Connection refused".
> >
> > ALF.MIT.EDU has nothing to do with anything in
> > /etc/mpich/machines.LINUX, it's in a completely different subnet!
> >
> > Note that this was working just fine on the potato mpich...  Any ideas?
>
> Wow, mpich has changed the handling of conffiles.
>
> Yes, this is a bug in mpich 1.2.1-1, I'll upload a fixed version.
>
> For a workaround (or rather, the FIX), I'd suggest making
> /usr/lib/mpich/share/machines.LINUX_ALPHA a symlink to /etc/mpich/machines.LINUX

Ah yes, that file is full of alfs.  That would do it.  Works now.  Thanks!

-Adam P.

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