smearing_method mp meets difficulty in energy convergence for a BCC Fe system

[hongriTianqi]

Describe the bug

Runned 8 LCAO calculation with different ecutwfc and mp smearing_method. 7 but 1 cannot converge.

Expected behavior

The mp method is assumed to converge metals easier.

To Reproduce

test_ecut.tar.gz

Environment

No response

Additional Context

No response

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