I have tried Inline, file, absolute and relative paths and Chrome is ignoring my source map. I am however using Fanstatic caching but I thought this wouldn't make any difference if I am using an inline source map with absolute paths. I have removed the paths below for privacy's sake.
http_path = "/"
css_dir = ""
sass_dir = ""
images_dir = ""
javascripts_dir = ""
environment = :development
add_import_path ""
relative_assets = false
sass_options = {:sourcemap => :inline}