A quick search brought me this page http://lists.debian.org/debian-volatile-announce/2011/msg00000.html
I've added stable-updates repository and it worked. Please ignore this bug report. Mea culpa. Murilo -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org