alain@sid:~$ apt policy gnome gnome-core cups-filters
cups-filters-core-drivers printer-driver-hpijs gnome-desktop3-data
libavahi-client3 libavahi-common-data libavahi-common3 cups-filters
gnome:
Installé : (aucun)
Candidat : 1:42+1
Table de version :
1:42+1 500
100 http://deb.debian.org/debian testing/main amd64 Packages
500 http://deb.debian.org/debian unstable/main amd64 Packages
gnome-core:
Installé : 1:42+1
Candidat : 1:42+1
Table de version :
*** 1:42+1 500
100 http://deb.debian.org/debian testing/main amd64 Packages
500 http://deb.debian.org/debian unstable/main amd64 Packages
100 /var/lib/dpkg/status
cups-filters:
Installé : 1.28.12-1+b1
Candidat : 1.28.12-1+b1
Table de version :
*** 1.28.12-1+b1 500
100 http://deb.debian.org/debian testing/main amd64 Packages
500 http://deb.debian.org/debian unstable/main amd64 Packages
100 /var/lib/dpkg/status
cups-filters-core-drivers:
Installé : 1.28.12-1+b1
Candidat : 1.28.12-1+b1
Table de version :
*** 1.28.12-1+b1 500
100 http://deb.debian.org/debian testing/main amd64 Packages
500 http://deb.debian.org/debian unstable/main amd64 Packages
100 /var/lib/dpkg/status
printer-driver-hpijs:
Installé : 3.21.12+dfsg0-1+b1
Candidat : 3.21.12+dfsg0-1+b1
Table de version :
*** 3.21.12+dfsg0-1+b1 500
500 http://deb.debian.org/debian unstable/main amd64 Packages
100 /var/lib/dpkg/status
3.21.12+dfsg0-1 100
100 http://deb.debian.org/debian testing/main amd64 Packages
gnome-desktop3-data:
Installé : 42.0-1
Candidat : 42.0-1
Table de version :
*** 42.0-1 500
100 http://deb.debian.org/debian testing/main amd64 Packages
100 http://deb.debian.org/debian testing/main i386 Packages
500 http://deb.debian.org/debian unstable/main amd64 Packages
500 http://deb.debian.org/debian unstable/main i386 Packages
100 /var/lib/dpkg/status
libavahi-client3:
Installé : 0.8-5
Candidat : 0.8-5
Table de version :
*** 0.8-5 500
100 http://deb.debian.org/debian testing/main amd64 Packages
500 http://deb.debian.org/debian unstable/main amd64 Packages
100 /var/lib/dpkg/status
libavahi-common-data:
Installé : 0.8-5
Candidat : 0.8-5
Table de version :
*** 0.8-5 500
100 http://deb.debian.org/debian testing/main amd64 Packages
500 http://deb.debian.org/debian unstable/main amd64 Packages
100 /var/lib/dpkg/status
libavahi-common3:
Installé : 0.8-5
Candidat : 0.8-5
Table de version :
*** 0.8-5 500
100 http://deb.debian.org/debian testing/main amd64 Packages
500 http://deb.debian.org/debian unstable/main amd64 Packages
100 /var/lib/dpkg/status
cups-filters:
Installé : 1.28.12-1+b1
Candidat : 1.28.12-1+b1
Table de version :
*** 1.28.12-1+b1 500
100 http://deb.debian.org/debian testing/main amd64 Packages
500 http://deb.debian.org/debian unstable/main amd64 Packages
100 /var/lib/dpkg/status
don't know if it can help .