<div dir="ltr"><div>It is close to impossible to say anything without an example that exhibits the problem in a reproducible manner</div><div><br></div><div>Paolo<br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Sep 9, 2020 at 12:06 PM Yuvam Bhateja <<a href="mailto:yuvamb16@gmail.com">yuvamb16@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">Good afternoon Sir/Mam,<div dir="auto"><br></div><div dir="auto">I am using newest version of Quantum ESPRESSO for optimization calculations.</div><div dir="auto"><br></div><div dir="auto">I am using PAW pseudopotentials and observed that the calculations are getting stuck at some point, sometimes at 233 scf iteration of 32nd bfgs cycle and sometimes on the first bfgs cycle.</div><div dir="auto"><br></div><div dir="auto">And sometimes it goes smoothly using same input file.</div><div dir="auto"><br></div><div dir="auto">I am unable to find any pattern for this unusual phenomenon. It never occurred in previous version though.</div><div dir="auto"><br></div><div dir="auto">Can anyone tell if there's possible bug in newer version?</div><div dir="auto"><br></div><div dir="auto">Regards</div><div dir="auto">Yuvam Bhateja</div></div>
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</blockquote></div><br clear="all"><br>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche,<br>Univ. Udine, via delle Scienze 208, 33100 Udine, Italy<br>Phone +39-0432-558216, fax +39-0432-558222<br><br></div></div></div></div></div>