Dear Hud (please sign always with full name and scientific affiliation the posts to this forum, we appreciate it) It is impossible to help you if you don't post the input of your calculation and the relevant part of your output (where does the code stop?). Is there any system error like a segfault printed, e.g., in a nohup.out file? It is primarily important to look into such kind of information, in order to see if the error is reproducible on different machines/architectures or by using different compilers/libraries.
HTH
Giuseppe

Quoting "H1@GMAIL" <[email protected]>:

Hello
I run on 6.1-serial. My pw.x scf runs ok with small size systems 2 atoms, but nothing happens when scaled to 4x4 or 32 atoms. I let it run for more than an hour and don't expect that the calculation takes that long.

From the troubleshooting in User Guide I see it might be a floating-point error causing endless NaNs - how to handle for such exceptions?

As I can't provide the error output, I am not sure what details you need to troubleshoot, but let me know if something is missing

Cheers, Hud
Dept. Chemical Engineering
University of Wyoming



GIUSEPPE MATTIOLI
CNR - ISTITUTO DI STRUTTURA DELLA MATERIA
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