Well, I guess the issue was with mozilla-mplayer. I found that it was set up to handle m3u files, and after uninstalling it, firefox now asks which application I would like to open m3u's with.
-- Clicking ogg vorbis m3u link crashes firefox https://bugs.launchpad.net/bugs/404157 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs