He, Yang wrote:
Hi Mark,
I just choose a small number of steps but it also does not work.it always shows
that
starting mdrun 'MODEL CYLINDER'
10000 steps, 300.0 ps.
Segmentation fault (core dumped)
OK, so that's a generic error message suggesting something is severely
wrong. Check the end of your .log file, but probably you've got
something badly wrong with your machine or installation. GROMACS is not
in the habit of doing inexplicable segmentation faults under normal
operating systems.
Your use of thermostats is inadvisable, see
http://wiki.gromacs.org/index.php/temperature_coupling.
Your use of applied electric fields is abnormal - when trying to
diagnose a problem, you should simplify in small, discrete steps until
something works, so that you learn where the problem is being caused.
Mark
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