<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman,new york,times,serif;font-size:12pt">Dear Ali,<br><br>Possible reasons:<br>1. Compiler error - it seems, such kind error often happens with gfortran<br>2. Network problem<br>3. Corrupted data - try again. <br><div><br>I do not think the error is caused by your input file. Nevertheless, you can try also the option ldisp=.true. with nq1=N1,nq2=N2,nq3=N3 and start_q=1, last_q=1 to calculate phonons at the Gamma point. Just to note, 10^{-18} looks VERY strong (and time consumable) criteria for phonon convergence threshold. The default value thr2_ph=10^{-12}. <br><br>Bests,<br>Eyvaz.<br></div>-------------------------------------------------------------------<br>Prof. Eyvaz Isaev, <br>Department of Physics, Chemistry, and Biology (IFM), Linkoping University, Sweden <br>Theoretical Physics Department, Moscow State Institute of
Steel & Alloys, Russia, <br>isaev@ifm.liu.se, eyvaz_isaev@yahoo.com<div><br></div><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><br><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><font face="Tahoma" size="2"><hr size="1"><b><span style="font-weight: bold;">From:</span></b> Ali Tavana <tavana.ali@gmail.com><br><b><span style="font-weight: bold;">To:</span></b> pw_forum@pwscf.org<br><b><span style="font-weight: bold;">Sent:</span></b> Thu, November 18, 2010 12:35:26 PM<br><b><span style="font-weight: bold;">Subject:</span></b> [Pw_forum] Error in phonon calculation<br></font><br>
<meta http-equiv="x-dns-prefetch-control" content="off"><div dir="ltr">Dear QE users,<br><br>When I want to calculate phonons for a q-point, I get this error running ph.x;<br><br>#######################################<br># FROM IOTK LIBRARY, VERSION 1.2.0<br># UNRECOVERABLE ERROR (ierr=1)<br>
# ERROR IN: iotk_scan_dat_aux (iotk_dat.spp:664)<br># CVS Revision: 1.27 <br>
# ERROR IN: iotk_scan_dat (iotk_dat.spp:740)<br># CVS Revision: 1.27 <br># Error reading data<br>name=z.1 <br>rkind=8<br>rlen=-1<br>###################################################<br clear="all"><br><br>Do u have any idea about it?<br>
<br>-- <br>Ali Tavana<br>
PhD Candidate,<br>Magnet Research Lab. (MRL)<br>Sharif University of Technology,<br>Tehran, Iran.<br>Tel: +98 21 6616 4544<br>
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