[gmx-users] segmantation default

mehmet kıytak mehmetkiytak at gmail.com
Wed Feb 1 17:41:34 CET 2012


hi all...
ı have a problem.. ı got segmentation fault when run nvt equilibration.. ı
use below mdp file

; Run control
integrator               = sd       ; Langevin dynamics
tinit                    = 0
dt                       = 0.002
nsteps                   = 50000    ; 100 ps
nstcomm                  = 100
; Output control
nstxout                  = 500
nstvout                  = 500
nstfout                  = 0
nstlog                   = 500
nstenergy                = 500
nstxtcout                = 0
xtc-precision            = 1000
; Neighborsearching and short-range nonbonded interactions
nstlist                  = 10
ns_type                  = grid
pbc                      = xyz
rlist                    = 1.5
                               [ Read 70 lines ]
^G Get Help  ^O WriteOut  ^R Read File ^Y Prev Page ^K Cut Text  ^C Cur Pos
^X Exit      ^J Justify   ^W Where Is  ^V Next Page ^U UnCut Text^T To Spell
  GNU nano 2.2.2               File:
nvt.mdp

; Run control
integrator               = sd       ; Langevin dynamics
tinit                    = 0
dt                       = 0.002
nsteps                   = 50000    ; 100 ps
nstcomm                  = 100
; Output control
nstxout                  = 500
nstvout                  = 500
nstfout                  = 0
nstlog                   = 500
nstenergy                = 500
nstxtcout                = 0
xtc-precision            = 1000
; Neighborsearching and short-range nonbonded interactions
nstlist                  = 10
ns_type                  = grid
pbc                      = xyz
rlist                    = 1.5
                               [ Read 70 lines ]
^G Get Help  ^O WriteOut  ^R Read File ^Y Prev Page ^K Cut Text  ^C Cur Pos
^X Exit      ^J Justify   ^W Where Is  ^V Next Page ^U UnCut Text^T To Spell
  GNU nano 2.2.2                                                    File:
nvt.mdp


couple-lambda0           = vdw      ; only van der Waals interactions
couple-lambda1           = none     ; turn off everything, in this case
only vdW
couple-intramol          = no
nstdhdl                  = 10
; Generate velocities to start
gen_vel                  = yes
gen_temp                 = 300
gen_seed                 = -1
; options for bonds
constraints              = h-bonds  ; we only have C-H bonds here
; Type of constraint algorithm
constraint-algorithm     = lincs
; Do not constrain the starting configuration
continuation             = no
; Highest order in the expansion of the constraint coupling matrix
lincs-order              = 12

and ı received this message..
                            bombardment on your system

Getting Loaded...
Reading file nvt.tpr, VERSION 4.5.4 (single precision)
Starting 8 threads
Loaded with Money

Making 2D domain decomposition 4 x 2 x 1
starting mdrun 'Protein in water'
50000 steps,    100.0 ps.

Step 0, time 0 (ps)  LINCS WARNING
relative constraint deviation after LINCS:
rms 0.900710, max 1.180984 (between atoms 1 and 4)
bonds that rotated more than 30 degrees:
 atom 1 atom 2  angle  previous, current, constraint length
      1      2   44.9    0.1000   0.0977      0.1000
      1      3   90.0    0.1000   0.2019      0.1000
      1      4   90.0    0.1000   0.2181      0.1000
Wrote pdb files with previous and current coordinates

Step 0, time 0 (ps)  LINCS WARNING
relative constraint deviation after LINCS:
rms 0.900025, max 1.179635 (between atoms 1 and 4)
bonds that rotated more than 30 degrees:
 atom 1 atom 2  angle  previous, current, constraint length
      1      2   44.9    0.1000   0.0977      0.1000
      1      3   90.0    0.1000   0.2019      0.1000
      1      4   90.0    0.1000   0.2180      0.1000

Back Off! I just backed up step0b_n4.pdb to ./#step0b_n4.pdb.1#

Back Off! I just backed up step0c_n4.pdb to ./#step0c_n4.pdb.1#
Wrote pdb files with previous and current coordinates
step 0
Step 1, time 0.002 (ps)  LINCS WARNING
relative constraint deviation after LINCS:
rms 0.078096, max 0.132700 (between atoms 1 and 4)
bonds that rotated more than 30 degrees:
 atom 1 atom 2  angle  previous, current, constraint length
      1      3   47.2    0.2019   0.0981      0.1000
      1      4   90.0    0.2180   0.1133      0.1000

Step 1, time 0.002 (ps)  LINCS WARNING
relative constraint deviation after LINCS:
rms 0.078081, max 0.132660 (between atoms 1 and 4)
bonds that rotated more than 30 degrees:
 atom 1 atom 2  angle  previous, current, constraint length
      1      3   47.3    0.2019   0.0981      0.1000
      1      4   90.0    0.2180   0.1133      0.1000

Step 2, time 0.004 (ps)  LINCS WARNING
relative constraint deviation after LINCS:
rms 1.319803, max 2.026278 (between atoms 1 and 4)

Step 2, time 0.004 (ps)  LINCS WARNING
relative constraint deviation after LINCS:
rms 0.349996, max 0.441907 (between atoms 11 and 12)
bonds that rotated more than 30 degrees:
 atom 1 atom 2  angle  previous, current, constraint length
bonds that rotated more than 30 degrees:
 atom 1 atom 2  angle  previous, current, constraint length
      1      2   65.3    0.0982   0.1006      0.1000
      9     10   90.0    0.1090   0.1542      0.1090
      1      3   90.0    0.0981   0.2058      0.1000
     11     12   90.0    0.1090   0.1572      0.1090
      1      4   90.0    0.1133   0.3026      0.1000

Step 2, time 0.004 (ps)  LINCS WARNING
relative constraint deviation after LINCS:
rms 0.349913, max 0.441867 (between atoms 11 and 12)
bonds that rotated more than 30 degrees:
 atom 1 atom 2  angle  previous, current, constraint length
      9     10   90.0    0.1090   0.1542      0.1090
     11     12   90.0    0.1090   0.1572      0.1090
Wrote pdb files with previous and current coordinates

Step 2, time 0.004 (ps)  LINCS WARNING
relative constraint deviation after LINCS:
rms 1.320270, max 2.027545 (between atoms 1 and 4)
bonds that rotated more than 30 degrees:
 atom 1 atom 2  angle  previous, current, constraint length
      1      2   65.3    0.0982   0.1006      0.1000
      1      3   90.0    0.0981   0.2058      0.1000
      1      4   90.0    0.1133   0.3028      0.1000

Back Off! I just backed up step2b_n4.pdb to ./#step2b_n4.pdb.1#

Back Off! I just backed up step2c_n4.pdb to ./#step2c_n4.pdb.1#
Wrote pdb files with previous and current coordinates

Step 3, time 0.006 (ps)  LINCS WARNING
relative constraint deviation after LINCS:
rms 29.207302, max 49.092598 (between atoms 9 and 10)
bonds that rotated more than 30 degrees:
 atom 1 atom 2  angle  previous, current, constraint length

Step 3, time 0.006 (ps)  LINCS WARNING
relative constraint deviation after LINCS:
rms 0.337072, max 0.559348 (between atoms 1 and 4)

step 3: Water molecule starting at atom 3147 can not be settled.
Check for bad contacts and/or reduce the timestep if appropriate.
bonds that rotated more than 30 degrees:
 atom 1 atom 2  angle  previous, current, constraint length
      9     10   90.0    0.1542   5.4601      0.1090
      1      2   90.0    0.1006   0.1091      0.1000
     11     12   90.0    0.1572   1.4400      0.1090
      1      3   90.0    0.2058   0.1140      0.1000
      1      4   90.0    0.3028   0.1559      0.1000
Wrote pdb files with previous and current coordinates

step 3: Water molecule starting at atom 3147 can not be settled.
Check for bad contacts and/or reduce the timestep if appropriate.

Back Off! I just backed up step3b_n2.pdb to ./#step3b_n2.pdb.1#
Wrote pdb files with previous and current coordinates
Wrote pdb files with previous and current coordinates

Step 3, time 0.006 (ps)  LINCS WARNING
relative constraint deviation after LINCS:
rms 29.207168, max 49.092289 (between atoms 9 and 10)
bonds that rotated more than 30 degrees:
 atom 1 atom 2  angle  previous, current, constraint length
      9     10   90.0    0.1542   5.4601      0.1090
     11     12   90.0    0.1572   1.4401      0.1090

Step 3, time 0.006 (ps)  LINCS WARNING
relative constraint deviation after LINCS:
rms 0.337002, max 0.559171 (between atoms 1 and 4)
bonds that rotated more than 30 degrees:
 atom 1 atom 2  angle  previous, current, constraint length
      1      2   90.0    0.1006   0.1091      0.1000
      1      3   90.0    0.2058   0.1141      0.1000
      1      4   90.0    0.3028   0.1559      0.1000

Back Off! I just backed up step3b_n3.pdb to ./#step3b_n3.pdb.1#

Back Off! I just backed up step3b_n4.pdb to ./#step3b_n4.pdb.1#

Back Off! I just backed up step3c_n2.pdb to ./#step3c_n2.pdb.1#

Back Off! I just backed up step3c_n3.pdb to ./#step3c_n3.pdb.1#

Back Off! I just backed up step3c_n4.pdb to ./#step3c_n4.pdb.1#
Wrote pdb files with previous and current coordinates
Wrote pdb files with previous and current coordinates
Wrote pdb files with previous and current coordinates
Segmentation fault
mkiytak at babil:~

PLEASE HELP ME...
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