Dear Jinxi,
I got the same problem few days back, and fortunately it is solved now. The 
thing is davcio is for reading from input and writing to the output, now if you 
scf calculation is done in different number of processor than your Projwfc.x 
than it get problem while reading from input. So please check if your pw.x 
calculation and projwfc.x caculation have same number of processor or not.
Thank you.

Alamgir Kabir
PhD Student University of Central Florida
U.S.A



________________________________
 From: Gabriele Sclauzero <gabriele.sclauzero at epfl.ch>
To: PWSCF Forum <pw_forum at pwscf.org> 
Sent: Wednesday, December 7, 2011 8:33 AM
Subject: Re: [Pw_forum] projwfc.x meet error
 

Dear Jinxi,

? ? davcio is the subroutine dedicated to input/output of restart files. The 
error code is related to the value of some internal variable when the code 
crashed and sometimes it might be useful to identify better at which point it 
stopped, but you shouldn't attach any special meaning to that number. Just 
check that your files are not corrupted and that you do things properly.

Regards,

GS

Il giorno 07/dic/2011, alle ore 10.29, jinxi ha scritto:

Dear Sclauzero:
>?? Thanks for remind me.
>?? The error message:
>???? from davcio : error #??????? 10
>???But how can i know what is ''error number 10?''
>???i?'ve set?''wf_collect = .true.''?
>many thanks!!
>____________________________________________________________
>jinxi
>State Key Laboratory of Physical Chemistry of Solid Surfaces, 
>Department of Chemistry, College of Chemistry & Chemical Engineering, 
>Xiamen University, Xiamen, 361005,?P.R.China
>_________________________________________________
>
>At 2011-12-07 16:57:24,"Gabriele?Sclauzero"?<gabriele.sclauzero at epfl.ch> 
>wrote:
>
>Dear Jinxi, 
>>
>>
>>? ? please include your affiliation in your next posts.?
>>
>>
>>Il giorno 07/dic/2011, alle ore 09.20, jinxi ha scritto:
>>
>>?Dear all:
>>>When I calculate PDOS using projwfc.x, I meet error like this: 
>>>? Calling projwave ....
>>>?%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%???? 
>>>???? from davcio : error #??????? 10
>>>???? error while reading from file
>>>?%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%???? 
>>>???? stopping ...
>>>
>>
>>
>>
>>
>>This is pretty self explanatory: there has been an error while reading from 
>>file (in this case the wavefunctions, *.wfc* files), probably because the 
>>file(s) is (are) corrupted or because you ran the postprocessing on a 
>>different number of processors than for the previous pw.x calculation.
>>
>>But example08 and example16 are OK, I?guess there's something wrong with my 
>>pseudopotential file. 
>>
>>
>>I don't think you can blame your PP file. I think you should search for 
>>possible reasons giving this error in the user guide, the FAQ, and in the 
>>forum archives.?
>>
>>?
>>>how can i modify the file to pass reading wavefunctions?
>>
>>
>>I don't understand completely what you meant here. The wavefunctions are 
>>needed by projwfc.x, you can't run this calculation if you don't have them. 
>>The wavefunctions are automatically written by pw.x at the end of the run. In 
>>some cases, you may need to use the wf_collect option (see input description 
>>in Doc/).
>>
>>
>>
>>
>>HTH
>>
>>
>>
>>
>>GS
>>
>>many thanks!!
>>>jinxi
>>>?
>>>?
>>>
>>>_______________________________________________
>>>Pw_forum mailing list
>>>Pw_forum at pwscf.org
>>>http://www.democritos.it/mailman/listinfo/pw_forum
>>>
>>
>>
>>? Gabriele Sclauzero,?EPFL SB ITP CSEA
>>?? PH H2 462, Station 3,?CH-1015 Lausanne
>>
>>
>>
>>
>>
>>
>>
>
>_______________________________________________
>Pw_forum mailing list
>Pw_forum at pwscf.org
>http://www.democritos.it/mailman/listinfo/pw_forum
>


? Gabriele Sclauzero,?EPFL SB ITP CSEA
?? PH H2 462, Station 3,?CH-1015 Lausanne





 

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