<div>Good morning Dr. Stein and CP2K community!</div><div><br /></div><div>I have an update. With the library you suggested, the job ran (thank you!!). However, no .restart file was generated, so I am a little confused.</div><div><br /></div><div>The changes I made, as mentioned earlier, include the new library you suggested + PRINT_LEVEL HIGH.<br /><br />The files that were generated include:<br />- .out and .err (attached)<br />- a number of localLog.out files<br />- a number of nonbonded_nl.out files<br />- ELF, efield, hartree, ELECTRON_DENSITY, TOTAL_DENSITY, WFN cubes<br />- a restart.wfn file</div><div><br /></div><div>but no restart!!! Now, my geo_opt is not done, so I was planning on restarting and I would normally write the file myself, but coordinates, cell dimensions, velocities etc were not printed as individual files or as part of the output. Is there anything I should fix in my original script to ensure a restart gets printed? I could maybe just switch back to PRINT_LEVEL LOW like I had before.<br /><br /></div><div>Notably for the output and error files,</div><div>1. The .err reports an OpenFabrics error.</div><div>2. The .out reports some problems, such as: "Stress Tensor not tested for 2D Systems" (aborted after); "Berry phase moments for non uniform MOs' occupation numbers not implemented".</div><div></div><div><br />Kindly let me know if I should upload anything else!</div><div><br /></div><div>Thank you, </div><div><br /></div><div>Michela</div><div class="gmail_quote"><div dir="auto" class="gmail_attr">On Tuesday, July 14, 2026 at 9:40:29 AM UTC-4 Michela Cavalieri wrote:<br/></div><blockquote class="gmail_quote" style="margin: 0 0 0 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><div>Dr. Stein, thank you so much for your help! Sorry for the long time to respond on my end as well. For some reason, I did not receive an email notification! I am trying FFTW3 now and increased the print level to HIGH. I will update you as soon as possible.</div><div><br></div><div>Thank you very much!<br>Michela</div><br><div class="gmail_quote"><div dir="auto" class="gmail_attr">On Thursday, July 9, 2026 at 11:25:07 AM UTC-4 Stein, Dr. Frederick wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Dear Michela,
<br>Sorry for the long time to respond. I guess it is just a very special
<br>question.
<br>Your system may be too large for the internal FFT library. Please consider
<br>PREFERRED_FFT_LIBRARY FFTW3. I have just run the calculation with FFTW3 but
<br>replaced your system with hydrogen such that the underlying FFT-grids should
<br>be the same. If you still observe an error, could you increase the print
<br>level and send a suitable output file.
<br>Best,
<br>Frederick
<br></blockquote></div></blockquote></div>
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