[gentoo-user] MIT-MAGIC-COOKIE-1 keyxwininfo: error: unable to open display ":0"

[thelma]

After installing and logging via LightDM 
When I try to login over X2GO I get:

Connection failed. Invalid MIT-MAGIC-COOKIE-1 keyxwininfo: error: unable to 
open display ":0" Invalid MIT-MAGIC-COOKIE-1 keyxwininfo: error: unable to open 
display ":0"