Until Xorg is launched, virtual terminal colors look broken. For example, black became white. 4.12.12 didn't have this problem. $ uname -r 4.14.8-gentoo-r1
Created attachment 273311 [details] config-4.14.8-gentoo-r1
Created attachment 273313 [details] The boot screen
My VGA is AMD HD6450.
I figured out the cause of the issue. I'm going to close this and open a new issue.