As was mentioned in my earlier mail, it was discussed in the LAMMPS mailing list. The following link has the workaround:
Please also read the whole thread, wherein various LAMMPS users have suggested that it is better to create smaller files due to post-processing difficulties of such large files.
That said, in case you would like to search the LAMMPS user archives yourself you should go to:
This link is also available from the last part of the lammps-users mail.
2009/11/20 Ram Chand <[email protected]…16…>