[mpich-discuss] How to use myrinet in mpich2?

Audet, Martin Martin.Audet at imi.cnrc-nrc.gc.ca
Wed Oct 14 13:58:44 CDT 2009

Hi everybody,

This problem reminds me the problem I had and I submitted in ticket #744 ( https://trac.mcs.anl.gov/projects/mpich2/ticket/744 ).

The same message was printed by the libmyriexpress library at startup (e.g. inside MPI_Init()) because the mpich dynamic library was not created by exposing it to the symbols the libmyriexpress.so library. The symbol versioning mechanism resulted in the old (and wrong) functions to be called in libmyriexpress.so and nothing worked.

The problem was fixed by mpich2 developers and is fixed in mpich2-1.1.1p1. 

If you use this version or later you shouldn't get this message, unless your MX library is really old.


-----Original Message-----
From: mpich-discuss-bounces at mcs.anl.gov [mailto:mpich-discuss-bounces at mcs.anl.gov] On Behalf Of Scott Atchley
Sent: October 14, 2009 13:13
To: mpich-discuss at mcs.anl.gov
Subject: Re: [mpich-discuss] How to use myrinet in mpich2?

On Oct 14, 2009, at 12:29 PM, Luís Miranda wrote:

> I'm not the admin of the cluster. I have a version of mpich2  
> ( version 1.1 ) instaled in userspace, and i'm trying to run my  
> programs with that version.
> When i try to follow your sugestion i have this error:
> checking myriexpress.h usability... yes
> checking myriexpress.h presence... yes
> checking for myriexpress.h... yes
> checking mx_extensions.h usability... yes
> checking mx_extensions.h presence... yes
> checking for mx_extensions.h... yes
> checking for mx_finalize in -lmyriexpress... yes
> configure: error: 'MX API version Problem.  Are you running a recent  
> version of MX (at least 1.2.1)?'
> configure: error: ./configure failed for channels/nemesis
> configure: error: Configure of src/mpid/ch3 failed!
> Should i install mx in user space to? Do you have any advice?

This looks like it is coming from the Nemesis configure script. What  
is the output of mx_info?

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