All I know is the problem started when I made the jump to experimental.
$ apt-cache policy $@
locate:
Installed: 4.5.11-1
Candidate: 4.5.11-1
Version table:
*** 4.5.11-1 0
990 http://ftp.br.debian.org/debian/ experimental/main i386 Packages
100 /var/lib/dpkg/status
4.4.2-5 0
500 http://ftp.br.debian.org/debian/ unstable/main i386 Packages-- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]

