[gmx-users] A question on Fatal error: ci = -2147483648....

David van der Spoel spoel at xray.bmc.uu.se
Mon Jan 5 19:23:01 CET 2004

On Mon, 5 Jan 2004, Hwankyu Lee wrote:

>Dear. gmx-users,
>I was running monolayer systems for 7ns without any problems, but suddenly I
>couldn't keep running them. When I checked *.log file, I could see "Fatal
>error: ci = -2147483648 should be in 0 .. 2753 [FILE nsgrid.c, LINE 210]".
Obligatory question: is this an Athlon box?
Otherwise, is this a triclinic box, either originally or due to pressure 

In general, check energy terms, pressure terms, temperature for oddities.

>I searched some answers in gromacs homepage, but it doesn't look like solutions
>to this problem was settled. I'm pretty sure that I didn't mix single precision
>with double precision.
>Therefore, I would like to know how I fix this problem and keep running those
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David van der Spoel, PhD, Assist. Prof., Molecular Biophysics group,
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596,  	75124 Uppsala, Sweden
phone:	46 18 471 4205		fax: 46 18 511 755
spoel at xray.bmc.uu.se	spoel at gromacs.org   http://xray.bmc.uu.se/~spoel

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