Page 1 of 1

Error EDDDAV Call to ZHEGV failed. Returncode = 399 1 400

Posted: Tue May 10, 2022 2:43 am
by aniket_singha
Hello sir,
The single point simulation stopped after few electronic steps like 7 or 8 steps. I have simulated for 400 core and 220 core for around a system of 440 atoms.
Please share the idea to remove this error.
PFA...


Thanks

Re: Error EDDDAV Call to ZHEGV failed. Returncode = 399 1 400

Posted: Wed May 11, 2022 5:53 am
by aniket_singha
Hello sir,
Can you please elaborate the reasons for failure and methods to avoid it. I am a new user so don't have much idea. Or please reply where to look for.

Thanks!!

Re: Error EDDDAV Call to ZHEGV failed. Returncode = 399 1 400

Posted: Wed May 11, 2022 11:14 am
by aniket_singha
This error can be resolved by changing the algorithm. Please change from normal Davidson to Fast (Davidson and RMM-DIIS).

Thanks you.