I had to comment line 273 of my /usr/share/file/magic.mime because the warning made lighttpd to crash/segfault php4-cgi.
-- mime_magic: type regex ... application/x-awk invalid https://launchpad.net/bugs/59183 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
