OsX 's friendly way of reminding you its still BSD underneath…
ff:ff:ff:ff:ff:ff » ???
splat-s to get slighty more info
whatever you do, dont run out of room on the system disk (unless you have a seperate swap partition). it can lead to random data corruption with versions upto 10.3.2
FIRST AID
MORE SERIOUS TROUBLESHOOTING
see http://www.macosxhints.com/article.php?story=2004011205473937 for more details…
carboncopycloner http://www.bombich.com/