Segmentation fault with empty POSCAR

Problems running VASP: crashes, internal errors, "wrong" results.


Moderators: Global Moderator, Moderator

Post Reply
Message
Author
mwistey
Newbie
Newbie
Posts: 12
Joined: Fri Sep 26, 2014 2:22 am
License Nr.: 5-1877

Segmentation fault with empty POSCAR

#1 Post by mwistey » Wed Aug 10, 2016 10:56 pm

VASP 5.4.1 crashes with a segmentation fault if the POSCAR file is empty. Normally this would be obvious, but sometimes VASP writes an empty CONTCAR, and a job continuation script then overwrites the POSCAR with the empty file. A proper message to the user would be very helpful, especially since OUTCAR misleadingly ends with this line:
INCAR:

alex
Hero Member
Hero Member
Posts: 585
Joined: Tue Nov 16, 2004 2:21 pm
License Nr.: 5-67
Location: Germany

Re: Segmentation fault with empty POSCAR

#2 Post by alex » Thu Aug 25, 2016 9:57 am

Well,

since there is no calculation starting it isn't a waste of computer time...
You could also check inside your script if POSCAR's size is 0 and do en error handling.

Cheers,

alex

Post Reply