[Pw_forum] eigenvalues not converged

[Mozahar Ali]

Dear pwscf user,
After successfully completing the elph.ph run i have got an warning messege 
which is given below

   Band Structure Calculation
     Davidson diagonalization with overlap
     WARNING:     3 eigenvalues not converged
     WARNING:     1 eigenvalues not converged
     WARNING:     2 eigenvalues not converged
     WARNING:     3 eigenvalues not converged
     WARNING:     3 eigenvalues not converged
     WARNING:     3 eigenvalues not converged
     WARNING:     2 eigenvalues not converged
     WARNING:     2 eigenvalues not converged
     WARNING:     1 eigenvalues not converged
     WARNING:     3 eigenvalues not converged
     WARNING:     3 eigenvalues not converged
     WARNING:     2 eigenvalues not converged
     WARNING:     2 eigenvalues not converged
     WARNING:     3 eigenvalues not converged
     WARNING:     2 eigenvalues not converged
     WARNING:     1 eigenvalues not converged
     WARNING:     1 eigenvalues not converged
     WARNING:     1 eigenvalues not converged
     WARNING:     2 eigenvalues not converged
     WARNING:     3 eigenvalues not converged
     WARNING:     2 eigenvalues not converged
     WARNING:     2 eigenvalues not converged
     WARNING:     2 eigenvalues not converged
     WARNING:     1 eigenvalues not converged
     WARNING:     1 eigenvalues not converged
     WARNING:     1 eigenvalues not converged
     WARNING:     1 eigenvalues not converged
     WARNING:     1 eigenvalues not converged
     WARNING:     3 eigenvalues not converged
     WARNING:     3 eigenvalues not converged
     WARNING:     2 eigenvalues not converged
     WARNING:     2 eigenvalues not converged
     WARNING:     2 eigenvalues not converged
     WARNING:     1 eigenvalues not converged
     WARNING:     1 eigenvalues not converged
     WARNING:     1 eigenvalues not converged
     WARNING:     2 eigenvalues not converged
     WARNING:     1 eigenvalues not converged
     WARNING:     1 eigenvalues not converged
     WARNING:     1 eigenvalues not converged
     ethr =  4.35E-11,  avg # of iterations = 41.4
But run is complete successfully.
Is it serious error?Can it affect on Tc calculation?
How can we remove this warning?
Can anybody suggest me please?

mozahar
research student
R.U
Bangladesh


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