[MITgcm-support] File Read Errors, DWORDLENGTH

[Ryan Abernathey]

Hello,

I'm trying to run an offline version of the MITgcm on columbia, and  
I've encountered an error that I don't fully understand.

The model crashes at this step:
(PID.TID 0002.0001)  MDSREADFIELD: opening global file: bathy.bin
With the following in message to stderr:
forrtl: severe (36): attempt to access non-existent record, unit 9,  
file /nobackup2c/rpa/ACC/GCM_runs/fixup/level_01/1/bathy.bin
Image              PC                Routine            Line         
Source
mitgcmuv           4000000000288AD0  Unknown               Unknown   
Unknown
mitgcmuv           4000000000283E50  Unknown               Unknown   
Unknown
mitgcmuv           400000000020D0D0  Unknown               Unknown   
Unknown
mitgcmuv           40000000001710A0  Unknown               Unknown   
Unknown
mitgcmuv           40000000001705D0  Unknown               Unknown   
Unknown
mitgcmuv           400000000019D890  Unknown               Unknown   
Unknown
mitgcmuv           400000000005DDB0  Unknown               Unknown   
Unknown
mitgcmuv           4000000000162540  Unknown               Unknown   
Unknown
mitgcmuv           400000000013A3E0  Unknown               Unknown   
Unknown
mitgcmuv           4000000000153780  Unknown               Unknown   
Unknown
mitgcmuv           40000000001649D0  Unknown               Unknown   
Unknown
mitgcmuv           4000000000100500  Unknown               Unknown   
Unknown
mitgcmuv           4000000000003B00  Unknown               Unknown   
Unknown
libc.so.6.1        2000000003BB5C50  Unknown               Unknown   
Unknown
mitgcmuv           4000000000003840  Unknown               Unknown   
Unknown

I followed the advice here:
http://forge.csail.mit.edu/pipermail/mitgcm-support/2004-November/ 
002731.html

And changed -DWORDLENGTH=4 to -DWORDLENGTH=1

This caused the program to crash even earlier at:
(PID.TID 0000.0001) S/R INI_PARMS ; read PARM05 : OK
with the error:
forrtl: severe (66): output statement overflows record, unit 9, file / 
nobackup2c/rpa/ACC/GCM_runs/fixup/level_01/1/XC.001.001.data
Image              PC                Routine            Line         
Source
mitgcmuv           4000000000288A90  Unknown               Unknown   
Unknown
mitgcmuv           4000000000283E10  Unknown               Unknown   
Unknown
mitgcmuv           400000000020D090  Unknown               Unknown   
Unknown
mitgcmuv           4000000000171060  Unknown               Unknown   
Unknown
mitgcmuv           4000000000170590  Unknown               Unknown   
Unknown
mitgcmuv           40000000001C76C0  Unknown               Unknown   
Unknown
mitgcmuv           40000000001C50C0  Unknown               Unknown   
Unknown
mitgcmuv           400000000006BC40  Unknown               Unknown   
Unknown
mitgcmuv           40000000000A9860  Unknown               Unknown   
Unknown
mitgcmuv           400000000013DA60  Unknown               Unknown   
Unknown
mitgcmuv           4000000000153720  Unknown               Unknown   
Unknown
mitgcmuv           4000000000164990  Unknown               Unknown   
Unknown
mitgcmuv           40000000001004C0  Unknown               Unknown   
Unknown
mitgcmuv           4000000000003B00  Unknown               Unknown   
Unknown
libc.so.6.1        2000000003BB5C50  Unknown               Unknown   
Unknown
mitgcmuv           4000000000003840  Unknown               Unknown   
Unknown

--------------

I am using an offline version of the model given to me by Helen which  
uses genmake rather than genmake2. I added these options for  
compiling to the genmake script:

    case nas+mpi:
         set CPP = ( '/lib/cpp  -traditional -P' )
         set DEFINES = ( ${DEFINES} '-DALLOW_USE_MPI -DALWAYS_USE_MPI  
-DWORDLENGTH=4'  ) # or -DWORDLENGTH=1
         set LIBS = ( '-L/opt/intel_9.0.03x/lib -lmpi' )
         set FC = ( '/opt/intel/comp/9.1.039/bin/ifort' )
         set LINK = ( '/opt/intel/comp/9.1.039/bin/ifort' )
         set FFLAGS = ( '-mp -132 -r8 -i4 -w95 -W0 -WB -i-static - 
convert big_endian -assume byterecl' )
         breaksw

This is a 16 processor mpi run.

I am new to the GCM, so please let me know if there is any more  
information I can provide.
If anyone knows how to overcome this error, I would greatly  
appreciate your advice.

Cheers,

__________________
Ryan Abernathey
rpa at mit.edu
MIT Ph.D. Student
Program in Oceans Atmospheres & Climate
http://web.mit.edu/rpa/



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