[gmx-users] energy minimization error

James Lord jjamesgreen110 at gmail.com
Sun May 17 05:35:23 CEST 2015


Hi Justin
Thanks for this. Can you tell me which step(s) this bond length is
defined???? What should I do (redo) to resolve this issue?
Cheers
James

On Sun, May 17, 2015 at 9:02 AM, Justin Lemkul <jalemkul at vt.edu> wrote:

>
>
> On 5/16/15 6:27 AM, James Lord wrote:
>
>> Dear gmx users,
>> I am getting this error, Can anyone help me to get around this?
>> Cheers
>> James
>>
>>
>> Program mdrun, VERSION 4.6.3
>> Source code file: /home/james/gromacs-4.6.3/src/mdlib/domdec.c, line: 6792
>>
>> Fatal error:
>> There is no domain decomposition for 8 nodes that is compatible with the
>> given box and a minimum cell size of 6.93203 nm
>> Change the number of nodes or mdrun option -rdd
>> Look in the log file for details on the domain decomposition
>>
>>
>>
>> Log file opened on Sat May 16 22:15:44 2015
>> Host: james-E530  pid: 22300  nodeid: 0  nnodes:  1
>> Gromacs version:    VERSION 4.6.3
>> Precision:          single
>> Memory model:       64 bit
>> MPI library:        thread_mpi
>> OpenMP support:     enabled
>> GPU support:        disabled
>> invsqrt routine:    gmx_software_invsqrt(x)
>> CPU acceleration:   AVX_256
>> FFT library:        fftw-3.3.2-sse2
>> Large file support: enabled
>> RDTSCP usage:       enabled
>> Built on:           Wed Oct 30 18:28:46 NZDT 2013
>> Built by:           james at james-E530 [CMAKE]
>> Build OS/arch:      Linux 3.11.0-12-generic x86_64
>> Build CPU vendor:   GenuineIntel
>> Build CPU brand:    Intel(R) Core(TM) i7-3632QM CPU @ 2.20GHz
>> Build CPU family:   6   Model: 58   Stepping: 9
>> Build CPU features: apic avx clfsh cmov cx8 cx16 f16c htt lahf_lm mmx msr
>> nonstop_tsc pcid pclmuldq pdcm popcnt pse rdrnd rdtscp sse2 sse3 sse4.1
>> sse4.2 ssse3 tdt x2apic
>> C compiler:         /usr/bin/cc GNU cc (Ubuntu/Linaro 4.8.1-10ubuntu8)
>> 4.8.1
>> C compiler flags:   -mavx    -Wextra -Wno-missing-field-initializers
>> -Wno-sign-compare -Wall -Wno-unused -Wunused-value -Wno-unused-parameter
>> -Wno-array-bounds -Wno-maybe-uninitialized -Wno-strict-overflow
>> -fomit-frame-pointer -funroll-all-loops -fexcess-precision=fast  -O3
>> -DNDEBUG
>>
>>
>>                           :-)  G  R  O  M  A  C  S  (-:
>>
>>                    Gromacs Runs On Most of All Computer Systems
>>
>>                              :-)  VERSION 4.6.3  (-:
>>
>>          Contributions from Mark Abraham, Emile Apol, Rossen Apostolov,
>>             Herman J.C. Berendsen, Aldert van Buuren, Pär Bjelkmar,
>>       Rudi van Drunen, Anton Feenstra, Gerrit Groenhof, Christoph
>> Junghans,
>>          Peter Kasson, Carsten Kutzner, Per Larsson, Pieter Meulenhoff,
>>             Teemu Murtola, Szilard Pall, Sander Pronk, Roland Schulz,
>>                  Michael Shirts, Alfons Sijbers, Peter Tieleman,
>>
>>                 Berk Hess, David van der Spoel, and Erik Lindahl.
>>
>>         Copyright (c) 1991-2000, University of Groningen, The Netherlands.
>>           Copyright (c) 2001-2012,2013, The GROMACS development team at
>>          Uppsala University & The Royal Institute of Technology, Sweden.
>>              check out http://www.gromacs.org for more information.
>>
>>           This program is free software; you can redistribute it and/or
>>         modify it under the terms of the GNU Lesser General Public License
>>          as published by the Free Software Foundation; either version 2.1
>>               of the License, or (at your option) any later version.
>>
>>                                  :-)  mdrun  (-:
>>
>>
>> ++++ PLEASE READ AND CITE THE FOLLOWING REFERENCE ++++
>> B. Hess and C. Kutzner and D. van der Spoel and E. Lindahl
>> GROMACS 4: Algorithms for highly efficient, load-balanced, and scalable
>> molecular simulation
>> J. Chem. Theory Comput. 4 (2008) pp. 435-447
>> -------- -------- --- Thank You --- -------- --------
>>
>>
>> ++++ PLEASE READ AND CITE THE FOLLOWING REFERENCE ++++
>> D. van der Spoel, E. Lindahl, B. Hess, G. Groenhof, A. E. Mark and H. J.
>> C.
>> Berendsen
>> GROMACS: Fast, Flexible and Free
>> J. Comp. Chem. 26 (2005) pp. 1701-1719
>> -------- -------- --- Thank You --- -------- --------
>>
>>
>> ++++ PLEASE READ AND CITE THE FOLLOWING REFERENCE ++++
>> E. Lindahl and B. Hess and D. van der Spoel
>> GROMACS 3.0: A package for molecular simulation and trajectory analysis
>> J. Mol. Mod. 7 (2001) pp. 306-317
>> -------- -------- --- Thank You --- -------- --------
>>
>>
>> ++++ 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 --- -------- --------
>>
>> Input Parameters:
>>     integrator           = steep
>>     nsteps               = 50000
>>     init-step            = 0
>>     cutoff-scheme        = Group
>>     ns_type              = Grid
>>     nstlist              = 5
>>     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                  = 56
>>     nky                  = 56
>>     nkz                  = 144
>>     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]={ 0.00000e+00,  0.00000e+00,  0.00000e+00}
>>        ref-p[    1]={ 0.00000e+00,  0.00000e+00,  0.00000e+00}
>>        ref-p[    2]={ 0.00000e+00,  0.00000e+00,  0.00000e+00}
>>     compress (3x3):
>>        compress[    0]={ 0.00000e+00,  0.00000e+00,  0.00000e+00}
>>        compress[    1]={ 0.00000e+00,  0.00000e+00,  0.00000e+00}
>>        compress[    2]={ 0.00000e+00,  0.00000e+00,  0.00000e+00}
>>     refcoord-scaling     = No
>>     posres-com (3):
>>        posres-com[0]= 0.00000e+00
>>        posres-com[1]= 0.00000e+00
>>        posres-com[2]= 0.00000e+00
>>     posres-comB (3):
>>        posres-comB[0]= 0.00000e+00
>>        posres-comB[1]= 0.00000e+00
>>        posres-comB[2]= 0.00000e+00
>>     verlet-buffer-drift  = 0.005
>>     rlist                = 0.9
>>     rlistlong            = 1.4
>>     nstcalclr            = 5
>>     rtpi                 = 0.05
>>     coulombtype          = PME
>>     coulomb-modifier     = None
>>     rcoulomb-switch      = 0
>>     rcoulomb             = 0.9
>>     vdwtype              = Cut-off
>>     vdw-modifier         = None
>>     rvdw-switch          = 0
>>     rvdw                 = 1.4
>>     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               = 1000
>>     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]={ 0.00000e+00,  0.00000e+00,  0.00000e+00}
>>        deform[    1]={ 0.00000e+00,  0.00000e+00,  0.00000e+00}
>>        deform[    2]={ 0.00000e+00,  0.00000e+00,  0.00000e+00}
>>     adress               = FALSE
>>     userint1             = 0
>>     userint2             = 0
>>     userint3             = 0
>>     userint4             = 0
>>     userreal1            = 0
>>     userreal2            = 0
>>     userreal3            = 0
>>     userreal4            = 0
>> grpopts:
>>     nrdf:       95838
>>     ref-t:           0
>>     tau-t:           0
>> anneal:          No
>> ann-npoints:           0
>>     acc:               0           0           0
>>     nfreeze:           N           N           N
>>     energygrp-flags[  0]: 0
>>     efield-x:
>>        n = 0
>>     efield-xt:
>>        n = 0
>>     efield-y:
>>        n = 0
>>     efield-yt:
>>        n = 0
>>     efield-z:
>>        n = 0
>>     efield-zt:
>>        n = 0
>>     bQMMM                = FALSE
>>     QMconstraints        = 0
>>     QMMMscheme           = 0
>>     scalefactor          = 1
>> qm-opts:
>>     ngQM                 = 0
>>
>> Initializing Domain Decomposition on 8 nodes
>> Dynamic load balancing: no
>> Will sort the charge groups at every domain (re)decomposition
>> Initial maximum inter charge-group distances:
>>      two-body bonded interactions: 6.302 nm, Bond, atoms 8476 8477
>>    multi-body bonded interactions: 6.302 nm, Angle, atoms 8476 8477
>>
>
> Bonds shouldn't be 6.3 nm long.  Something is wrong with your input
> coordinates.
>
> -Justin
>
> --
> ==================================================
>
> Justin A. Lemkul, Ph.D.
> Ruth L. Kirschstein NRSA Postdoctoral Fellow
>
> Department of Pharmaceutical Sciences
> School of Pharmacy
> Health Sciences Facility II, Room 629
> University of Maryland, Baltimore
> 20 Penn St.
> Baltimore, MD 21201
>
> jalemkul at outerbanks.umaryland.edu | (410) 706-7441
> http://mackerell.umaryland.edu/~jalemkul
>
> ==================================================
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