My Community

Hi communitors

My question is parallel calculation problem

When i tried to calculate something with 2~8 cpu, the vasp

didn't work (If i used 1 cpu for calculation, it would work)

the error message is following as "poll: protocol failure in

circuit setup

p0_1726: p4_error: Child process exited while making

connection to remote process on node27: 0

forrtl: error (69): process interrupted (SIGINT)

p0_1726: (12.011719) net_send: could not write to fd=4,

errno = 32

I really need you guys help for solving this problem

it seems that this error is not related to vasp, but to your paralellization software
please check if your MPI is set up properly (you may have to ask your
local system administrator)
Just to be sure:
please check if you really work with the parallel executable (-DMPI
flag in makefile, compiled using a parallel parser like mpif90,..., -DNGZhalf instead of -DNGXhalf...)