[gmx-users] Chracter buffer size too small

[Mark Abraham]

Olaniyi Yusuff wrote:
> Dear gmx-users,
> I am having problem with grompp during minimization of my 
> protein-solvent system
> Please i want to know what the error message character buffer size too 
> small from grompp in the minimization stage means and what step is 
> needed to correct this error.

Please actually copy and paste the error and any other output you think 
relevant, your input command line and your GROMACS version number. Don't 
filter these through your memory.

If what you've said is accurate, you might be using a 3.x grompp with an 
unsuitably underlying cpp.

Mark

> below is the .mdp file used,
> define              = -DFLEXIBLE
> constraints         = none
> integrator          = cg
> dt                  = 0.002     ; ps !
> nsteps              = 500
> nstlist             = 10
> ns_type             = grid
> rlist               = 0.9
> coulombtype         = PME
> rcoulomb            = 0.9
> vdwtype             = cut-off
> rvdw                = 0.9
> fourierspacing          = 0.12
> fourier_nx        = 0
> fourier_ny        = 0
> fourier_nz        = 0
> pme_order         = 4
> ewald_rtol        = 1e-5
> optimize_fft            = yes
> nergygrps        = Protein SOL
> energygrp_excl    = Protein Protein Protein SOL
> freezegrps        = Protein
> freezedim         = Y Y Y
> ;
> ;       Energy minimizing stuff
> ;
> emtol               = 100.0
> emstep              = 0.01
> nstcgsteep          = 1000
> 
> 
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