[gmx-users] mdrun error messages

2014-07-15 Thread Andy Chao
Dear GROMACS Users:

As I mentioned, I got the following log file when I used the mdrun
command.  I installed GROMACS on my virtual machine.  Is there any solution
to this problem?

Thanks!

Andy

 PLEASE READ AND CITE THE FOLLOWING REFERENCE 
H. J. C. Berendsen, D. van der Spoel and R. van Drunen
GROMACS: A message-passing parallel molecular dynamics implementation
Comp. Phys. Comm. 91 (1995) pp. 43-56
  --- Thank You ---  


Changing rlist from 1.05 to 1 for non-bonded 4x4 atom kernels

Input Parameters:
   integrator   = steep
   nsteps   = 200
   init-step= 0
   cutoff-scheme= Verlet
   ns_type  = Grid
   nstlist  = 10
   ndelta   = 2
   nstcomm  = 100
   comm-mode= Linear
   nstlog   = 1000
   nstxout  = 0
   nstvout  = 0
   nstfout  = 0
   nstcalcenergy= 100
   nstenergy= 1000
   nstxtcout= 0
   init-t   = 0
   delta-t  = 0.001
   xtcprec  = 1000
   fourierspacing   = 0.12
   nkx  = 48
   nky  = 48
   nkz  = 48
   pme-order= 4
   ewald-rtol   = 1e-05
   ewald-geometry   = 0
   epsilon-surface  = 0
   optimize-fft = FALSE
   ePBC = xyz
   bPeriodicMols= FALSE
   bContinuation= FALSE
   bShakeSOR= FALSE
   etc  = No
   bPrintNHChains   = FALSE
   nsttcouple   = -1
   epc  = No
   epctype  = Isotropic
   nstpcouple   = -1
   tau-p= 1
   ref-p (3x3):
  ref-p[0]={ 0.0e+00,  0.0e+00,  0.0e+00}
  ref-p[1]={ 0.0e+00,  0.0e+00,  0.0e+00}
  ref-p[2]={ 0.0e+00,  0.0e+00,  0.0e+00}
   compress (3x3):
  compress[0]={ 0.0e+00,  0.0e+00,  0.0e+00}
  compress[1]={ 0.0e+00,  0.0e+00,  0.0e+00}
  compress[2]={ 0.0e+00,  0.0e+00,  0.0e+00}
   refcoord-scaling = No
   posres-com (3):
  posres-com[0]= 0.0e+00
  posres-com[1]= 0.0e+00
  posres-com[2]= 0.0e+00
   posres-comB (3):
  posres-comB[0]= 0.0e+00
  posres-comB[1]= 0.0e+00
  posres-comB[2]= 0.0e+00
   verlet-buffer-drift  = 0.005
   rlist= 1
   rlistlong= 1
   nstcalclr= 10
   rtpi = 0.05
   coulombtype  = PME
   coulomb-modifier = Potential-shift
   rcoulomb-switch  = 0
   rcoulomb = 1
   vdwtype  = Cut-off
   vdw-modifier = Potential-shift
   rvdw-switch  = 0
   rvdw = 1
   epsilon-r= 1
   epsilon-rf   = inf
   tabext   = 1
   implicit-solvent = No
   gb-algorithm = Still
   gb-epsilon-solvent   = 80
   nstgbradii   = 1
   rgbradii = 1
   gb-saltconc  = 0
   gb-obc-alpha = 1
   gb-obc-beta  = 0.8
   gb-obc-gamma = 4.85
   gb-dielectric-offset = 0.009
   sa-algorithm = Ace-approximation
   sa-surface-tension   = 2.05016
   DispCorr = No
   bSimTemp = FALSE
   free-energy  = no
   nwall= 0
   wall-type= 9-3
   wall-atomtype[0] = -1
   wall-atomtype[1] = -1
   wall-density[0]  = 0
   wall-density[1]  = 0
   wall-ewald-zfac  = 3
   pull = no
   rotation = FALSE
   disre= No
   disre-weighting  = Conservative
   disre-mixed  = FALSE
   dr-fc= 1000
   dr-tau   = 0
   nstdisreout  = 100
   orires-fc= 0
   orires-tau   = 0
   nstorireout  = 100
   dihre-fc = 0
   em-stepsize  = 0.01
   em-tol   = 10
   niter= 20
   fc-stepsize  = 0
   nstcgsteep   = 1000
   nbfgscorr= 10
   ConstAlg = Lincs
   shake-tol= 0.0001
   lincs-order  = 4
   lincs-warnangle  = 30
   lincs-iter   = 1
   bd-fric  = 0
   ld-seed  = 1993
   cos-accel= 0
   deform (3x3):
  deform[0]={ 0.0e+00,  0.0e+00,  0.0e+00}
  deform[1]={ 0.0e+00,  0.0e+00,  0.0e+00}
  deform[2]={ 0.0e+00,  0.0e+00,  0.0e+00}
   adress   = FALSE
   userint1 = 0
   userint2 = 0
   userint3 = 0
   userint4 = 0
   userreal1= 0
   userreal2= 0
   userreal3= 0
   userreal4= 0
grpopts:
   nrdf:   22677
   ref-t:   0
   tau-t:   0
anneal:  No
ann-npoints:   0
   acc:   0   0   0
   nfreeze:   N  

Re: [gmx-users] mdrun error messages

2014-07-10 Thread Mark Abraham
That means mdrun exited abnormally, e.g. from some undiscovered bug, or
(more likely) from someone e.g. pressing Ctrl-C on their terminal, or such.

Mark


On Thu, Jul 10, 2014 at 5:46 AM, Andy Chao ac...@energiaq.com wrote:

 Dear GROMACS Users:

 I used the grompp command to run energy minimization of an ionic liquid
 structure according to the following command:

 grompp -f em.mdp -c C4mimNTf2.gro -p C4mimNTf2.top -o NPT.tpr

 and then run molecular dynamics simulation as the following:

 mdrun -s NPT.tpr -o NPT.trr

 when I opend the NPT.trr file, there is nothing inside.  Can you explain
 what was wrong?

 The last part of the md.log file shows
 Initialized non-bonded Ewald correction tables, spacing: 6.26e-04 size:
 3836

 Pinning threads with an auto-selected logical core stride of 1

 Initializing LinNear Constraints Solver


 Thanks!

 Andy
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