[gmx-users] core dumped

[rabee khorram]

Segmentation fault (core dumped)?
*Hello everyone, I am runnig nano Fe2O3 structure with PEN drug with
gromacs5.*
*but in step :*

* gmx mdrun -v -deffnm nvt *

* I am getting an error : step 2600, remaining wall clock time: 60 s
Segmentation fault (core dumped)*

*and don't create nvt.gro.!*

*can you explain to me what is my problem?*
*thank you very much.*