EPW Forum

Dears.
Here, i am running EPW v6.1 compiled with intel OneApi 2025.3 on Ubuntu 22lts and 24 lts and it is facing same "forrtl error".
This happend when the code running wannier90 after MMN calculated.
epw input was diamond and sic under EPW examples folders.

Errors printed on the screen:
forrtl: error (73): floating divide by zero
Image PC Routine Line Source
libc.so.6 000072B3BB045330 Unknown Unknown Unknown

Errors recorded in the output file:
".......
23 of 27 on ionode
24 of 27 on ionode
25 of 27 on ionode
26 of 27 on ionode
27 of 27 on ionode
MMN calculated

Running Wannier90

===================================================================================
= BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES
= RANK 0 PID 2550663 RUNNING AT hc
= KILLED BY SIGNAL: 6 (Aborted)
===================================================================================

===================================================================================
= BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES
= RANK 1 PID 2550664 RUNNING AT hc
= KILLED BY SIGNAL: 9 (Killed)
===================================================================================

..........."

Hi,

Can you attach your input and output files? It seems to be a problem with Wannierization parameters.

Best regards,
Sabya.

Dear Sabya.
Input files are two examples under EPW folder of QE-EPW--diamond and sic.

Best
CY