Problem upgrading 7.2 to 8.0-RC1

[Leonardo M. Ramé]

Hi, I'm trying to upgrade from 7.2 to 8.0-RC1 without success. Any hint?

This is my data:

uname -a: 
FreeBSD toshiba-leo.localhost.localdomain 7.2-STABLE-200906 FreeBSD 7.2-STABLE-200906 #0: Sun Jun  7 10:23:49 UTC 2009     root at driscoll.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64

freebsd-update:

[root at toshiba-leo]# freebsd-update -v debug -r 8.0-RC1 upgrade
Looking up update.FreeBSD.org mirrors... 3 mirrors found.
Fetching public key from update5.FreeBSD.org... fetch: http://update5.FreeBSD.org/7.2-STABLE-200906/amd64/pub.ssl: Not Found
failed.
Fetching public key from update2.FreeBSD.org... fetch: http://update2.FreeBSD.org/7.2-STABLE-200906/amd64/pub.ssl: Not Found
failed.
Fetching public key from update4.FreeBSD.org... fetch: http://update4.FreeBSD.org/7.2-STABLE-200906/amd64/pub.ssl: Not Found
failed.
No mirrors remaining, giving up.



Leonardo M. Ramé
http://leonardorame.blogspot.com