Sorry, I can't help you, but perhaps there's a better way to eject a CD. I don't know how Debian currently does mount those drives, but perhaps this isn't outdated:
http://www.crazysquirrel.com/computing/debian/unmounting.jspx -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/1307832502.9677.9.camel@debian

