On Fri, Jul 29, 2022, 17:21 Satyen Dhamankar <[email protected]> wrote:

> Hello,
> I am trying to run force-matching on a a LAMMPS trajectory of SPCE water.
> However, when I run my force-matching script, I get a segmentation fault.
>
> This is the error message I receive:
> I have 2187 beads in 729 molecules
> I have 729 beads in 729 molecules for the coarsegraining
> Reading frame, timestep 111000
> a: 0.37 ,sigma: 1 ,gamma: 0.12
> Number of spline functions for the interaction CG-CG:33
> You are using VOTCA!
> hey, somebody wants to forcematch!
> Using constrained Least Squares!
> Reading frame, timestep 111000
> ./run_fmatch.sh: line 5: 209865 Segmentation fault      singularity exec
> ~/SINGULARITY/votca_latest.sif csg_fmatch --top topol.xml --trj-force
> frcs.npt.dump --cg water.xml --trj coords.npt.dump --options fmatch.xml
>
> What is the cause of this seg fault? I am using coords.npt.dump to be the
> coordinate trajectory dump, while frcs.npt.dump contains all the forces.
> All of this is in the LAMMPS dump format.
>
> Thank you. I would appreciate any advice you have for me!
>
Does the segfault also happen for a single frame trajectory?

Christoph

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