Got it! 

Thanks Paolo. 
:) 


        
Federico IORI 
Marie Curie Fellow 
Laboratoire de Physique des Solides 
Bâtiment 510 - Rue André Rivière 
91400 Orsay 


----- Mensaje original -----

De: "Paolo Giannozzi" <[email protected]> 
Para: "PWSCF Forum" <[email protected]> 
Enviados: Sábado, 30 de Abril 2016 16:52:41 
Asunto: Re: [Pw_forum] error in restarting pw.x 

restart_mode='restart' is only for interrupted runs. If you want to start a 
structural minimization from the results of a previous scf run, you should use 
startingwfc and startingpot ='file'. In principle restart_mode='restart' should 
also work, but due to a bad design choice done years ago (there are two 
different file formats for wavefunctions, but nowhere it is written which one 
is present) the code has to guess where and how wavefunctions are stored, and 
sometimes it doesn't guess right 

Paolo 

On Sat, Apr 30, 2016 at 1:25 PM, Federico Iori < [email protected] > 
wrote: 



Hi all. 
I did a 'scf' run with pw.x (QE_5.4.0) and now I tryed to restart it to relax 
the coordinates ('relax' run). 

I am using 

restart_mode='restart' 
wf_collect=.true. (since I changed the number of proc from one run to the 
other) 

and do not specified startingpot and startingwfc 

I obtained always an error: 

"Error in routine read_wavefunctions" (1) 
wavefunctions unit (iunwfc) is not opened 

Now I tried specifing starginwfc='atomic+random' (that is the default) 
and the code is running.. 
I do not change neither the k-points neither the cutoff values... 

Myabe is something known, but someone has an idea why is this happening? 

Thanks 
Federico 


        
Federico IORI 
Marie Curie Fellow 
Laboratoire de Physique des Solides 
Bâtiment 510 - Rue André Rivière 
91400 Orsay 



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-- 
Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche, 
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy 
Phone +39-0432-558216, fax +39-0432-558222 


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