<div dir="ltr"><div>Thank you for your report. I think that the "reduce_io" option in the phonon code is obsolete<br><br></div>Paolo<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Apr 25, 2018 at 6:46 PM, Hao Zeng <span dir="ltr"><<a href="mailto:zengh@uchicago.edu" target="_blank">zengh@uchicago.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Dear QE Developers,<div><br></div><div>I believe I encountered a bug in the phonon calculation. After I set the reduce_io to .true. in phonon input file, ph.x cannot find the necessary .wfc files. This error goes away if I set reduce_io back to .false..</div><div><br></div><div>Here's a snippet of the output file:</div><div><br></div><div><div> Computing dynamical matrix for</div><div><br></div><div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%</div><div>     Error in routine openfilq (1):</div><div>     file fo75fa25.wfc not found</div><div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%</div><div><br></div><div>     stopping ...</div><div><br></div><div>If I start with a calculation of reduce_io = .false., cancel it, and then start the same calculation with reduce_io set to .true, the error also disappears.</div><div><br></div><div>Sincerely,</div><div>Hao</div><span class="HOEnZb"><font color="#888888"><div><br></div><div><br></div>-- <br><div class="m_-4414210542858786283gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><span style="color:rgb(0,0,0);font-size:12.8px">Hao Zeng, PhD Student</span><br></div><div dir="ltr"><div><font color="#000000">Department of Chemistry</font></div><div><span style="font-size:12.8px"><font color="#000000">The University of Chicago</font></span></div><div><span style="font-size:12.8px"><font color="#000000">Chicago, IL, USA, 60637</font></span></div></div></div></div></div></div></div></div>
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<br></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature" data-smartmail="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>
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