[Pw_forum] Problems with integrated charge for a large supercell relaxation

[Paolo Giannozzi]

Your system is treated as an insulator. If for some reason it
becomes metallic or semimetallic,  you may run into trouble.
Add a few more bands and a small broadening, just in case.
Note that
K_POINTS Gamma
(uses "Gamma tricks") will be faster and take less memory

Paolo
-- 
Paolo Giannozzi, Democritos and University of Udine, Italy