<div dir="ltr"><div><div><div><div><div><div>Dear Dr. Lorenzo,<br><br></div>I think the error is occurring in the 4th optimization step.<br></div>I have attached the output file for your reference.<br><br><br></div>Awaiting your kind response.<br></div>B S Bhushan<br></div>Ph.D Scholar,<br></div>ABV-IIITM Gwalior, India.<br><div><div><div><div><br><br></div></div></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Oct 23, 2017 at 4:44 PM, Lorenzo Paulatto <span dir="ltr"><<a href="mailto:paulatz@gmail.com" target="_blank">paulatz@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF">
<p>is it at the first structural relaxation step or later? I'm
afraid that doing a vc-relax of a small supercell with a defect
could cause an unphysical crunch<br>
</p><div><div class="h5">
<br>
<div class="m_7157943438524473360moz-cite-prefix">On 21/10/17 18:52, B S Bhushan wrote:<br>
</div>
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<div dir="ltr">
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<div>Dear Expert,<br>
<br>
</div>
I was getting the below error while trying to vc-relax
a doped graphene.<br>
</div>
can you please suggest why is it occurring??<br>
<br>
<br>
iteration # 9 ecut= 30.00 Ry beta=0.70<br>
Davidson diagonalization with overlap<br>
<br>
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%<br>
Error in routine cdiaghg (261):<br>
problems computing cholesky<br>
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%<br>
<br>
stopping ...<br>
application called MPI_Abort(MPI_COMM_WORLD, 1) -
process 22<br>
application called MPI_Abort(MPI_COMM_WORLD, 1) -
process 20<br>
application called MPI_Abort(MPI_COMM_WORLD, 1) -
process 4<br>
application called MPI_Abort(MPI_COMM_WORLD, 1) -
process 2<br>
<br>
<br>
<br>
<br>
</div>
Sincerely,<br>
<br>
</div>
B S Bhushan,<br>
</div>
Ph.D scholar,<br>
</div>
ABV-IIITM Gwalior, India.<br>
</div>
<br>
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<br>
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<br>
<pre class="m_7157943438524473360moz-signature" cols="72">--
Lorenzo Paulatto - Paris</pre>
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