[gmx-users] problem with genion

[Mark Abraham]

> While using genion with -np 3, i get 2 lines of Replacing sol. xxx with Na
> and it hangs up. With -np 1 it works fine and replaces 1 SOL with Na. I
> thought it might be my system, so went to /tutor/speptide, but it was the
> same behaviour. I am using gromacs 3.3.1. As I recall genion worked fine
> under 3.2.

That sounds very weird. Could you be running out of memory or some such?
What was your full command line?

Mark