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Probably you run scf and nscf on multiply processors, and then use
only one processor for band.x <br>
In this case you should use <br>
wf_collect = .TRUE. <br>
option in scf and nscf. You can read about it here
<a class="moz-txt-link-freetext" href="http://www.quantum-espresso.org/wp-content/uploads/Doc/INPUT_PW.html#id1486037">http://www.quantum-espresso.org/wp-content/uploads/Doc/INPUT_PW.html#id1486037</a><br>
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<pre class="moz-signature" cols="72">Sincerely,
Siarhei Samsonau</pre>
<br>
<br>
<br>
<div class="moz-cite-prefix">On 12/7/2012 5:59 PM, David Strubbe
wrote:<br>
</div>
<blockquote
cite="mid:CAENVOuV3i6tCMDmXonoCZO9PDwkQJrjB7xtVwoa6sZPH+yOeEg@mail.gmail.com"
type="cite">Dear QE developers,
<div><br>
</div>
<div>When I run the examples for PP in version 5.0.2, I get
failures for the runs with bands.x. example01 in si.bands.out
crashes with:</div>
<div><br>
</div>
<div>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</div>
<div> Error in routine bands (1):</div>
<div> gamma_only case not implemented</div>
<div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</div>
<div><br>
</div>
<div>The same happens in example04 in pt.bands.out and example06
in Fe.bands.out. In none of these cases is the calculation
gamma_only, so this looks like a bug in bands.x.</div>
<div><br>
</div>
<div>David Strubbe</div>
<div>MIT</div>
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