Failed to decode downloaded font, OTS parsing error: invalid version tag + rails 4

Question

I am doing assets pre-compile, and running the application in production mode. After compilation when I load the my index page I got followings warnings in the chrome consol

Answer 1

Just state format at @font-face as following:

@font-face {
  font-family: 'Some Family';
  src: url('/fonts/fontname.ttf') format('ttf'); /* and this for every font */
}