Hi!

I have a Palit 3GB GTX 580 GPU card to simulate about ~ 140 000 atoms.
However, after an mdrun-gpu simulation of 5000 timesteps (each time step = 
0.002), the log file starts to show NaN in the energy values.

How do I fix this?

Regards,
Adam

ps. The same system runs well in a conventional CPU-based mdrun. So I don't 
think its due to the system blowing up.
pps. The GPU card reaches a temperature of ~ 88 degrees celsius after 5 minutes 
of simulation. Could this be the problem? However, I have another GPU card (MSI 
1.5GB GTX 580) that works well with a smaller system (100 000 atoms) even at 85 
degrees celsius.
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