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<DIV dir=ltr align=left><SPAN class=718215903-02122009><FONT color=#0000ff
size=2 face=Arial>As the error message suggests, are you calling any MPI
function before MPI_Init is called?</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=718215903-02122009><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=718215903-02122009><FONT color=#0000ff
size=2 face=Arial>Rajeev</FONT></SPAN></DIV><BR>
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<FONT size=2 face=Tahoma><B>From:</B> mpich-discuss-bounces@mcs.anl.gov
[mailto:mpich-discuss-bounces@mcs.anl.gov] <B>On Behalf Of </B>Yen,
Joseph<BR><B>Sent:</B> Tuesday, December 01, 2009 5:57 PM<BR><B>To:</B>
'mpich-discuss@mcs.anl.gov'<BR><B>Subject:</B> [mpich-discuss] mpich user
problem<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV><FONT size=2 face=Arial><SPAN
class=732334523-01122009>Hi,</SPAN></FONT></DIV>
<DIV><FONT size=2 face=Arial><SPAN
class=732334523-01122009></SPAN></FONT> </DIV>
<DIV><FONT size=2 face=Arial><SPAN class=732334523-01122009>I have an mpi c++
code which has been run fine with either lam-mpi and open-mpi. Intel C++
compiler (ver 11) has been used. But I encounter the following error
</SPAN></FONT></DIV>
<DIV><FONT size=2 face=Arial><SPAN
class=732334523-01122009></SPAN></FONT> </DIV>
<DIV><FONT size=2 face=Arial><SPAN class=732334523-01122009>Attempting to use
an MPI routine before initializing MPICH<BR></SPAN></FONT></DIV>
<DIV><FONT size=2 face=Arial><SPAN class=732334523-01122009>when the same code
is compiled using mpich-2 (ver 1.2.1) and the same C++ compiler. For your
information, I have been working on an AMD machine with SUSE linux OS
where all the above experiences take place.</SPAN></FONT></DIV>
<DIV><FONT size=2 face=Arial><SPAN
class=732334523-01122009></SPAN></FONT> </DIV>
<DIV><FONT size=2 face=Arial><SPAN class=732334523-01122009>The following is
the way I run the mpich2-built code and the above error
results.</SPAN></FONT></DIV>
<DIV><FONT size=2 face=Arial><SPAN
class=732334523-01122009></SPAN></FONT> </DIV>
<DIV><FONT size=2 face=Arial><SPAN class=732334523-01122009>In a linux
command prompt,</SPAN></FONT></DIV>
<DIV><FONT size=2 face=Arial><SPAN
class=732334523-01122009></SPAN></FONT> </DIV>
<DIV><FONT size=2 face=Arial><SPAN class=732334523-01122009>>mpd
&</SPAN></FONT></DIV>
<DIV><FONT size=2 face=Arial><SPAN class=732334523-01122009>>mpiexec -n 16
mycode myinput</SPAN></FONT></DIV>
<DIV><FONT size=2 face=Arial><SPAN class=732334523-01122009>Attempting to use
an MPI routine before initializing MPICH<BR>Attempting to use an MPI routine
before initializing MPICH<BR>Attempting to use an MPI routine before
initializing MPICH<BR>Attempting to use an MPI routine before initializing
MPICH<BR>Attempting to use an MPI routine before initializing
MPICH<BR>Attempting to use an MPI routine before initializing
MPICH<BR>Attempting to use an MPI routine before initializing
MPICH<BR>Attempting to use an MPI routine before initializing
MPICH<BR>Attempting to use an MPI routine before initializing
MPICH<BR>Attempting to use an MPI routine before initializing
MPICH<BR>Attempting to use an MPI routine before initializing
MPICH<BR>Attempting to use an MPI routine before initializing
MPICH<BR>Attempting to use an MPI routine before initializing
MPICH<BR>Attempting to use an MPI routine before initializing
MPICH<BR>Attempting to use an MPI routine before initializing
MPICH<BR>Attempting to use an MPI routine before initializing
MPICH<BR></SPAN></FONT></DIV>
<DIV><FONT size=2 face=Arial><SPAN class=732334523-01122009>Your help is
greatly appreciated.</DIV></SPAN></FONT>
<DIV><FONT size=2 face=Arial><SPAN
class=732334523-01122009>Joseph</DIV></SPAN></FONT>
<DIV><FONT size=2 face=Arial><SPAN
class=732334523-01122009></SPAN></FONT> </DIV>
<DIV align=left><FONT size=2 face=Arial>Joseph Yen, Ph.D.</FONT></DIV>
<DIV align=left><FONT size=2 face=Arial>Jacobs Technology</FONT></DIV>
<DIV align=left><FONT size=2 face=Arial>Tel: 931-393-6605</FONT></DIV>
<DIV align=left><FONT size=2 face=Arial><A
href="mailto:joseph.yen@jacobs.com">joseph.yen@jacobs.com</A></FONT></DIV>
<DIV align=left> </DIV>
<DIV> </DIV><BR>
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