For several weeks, one particular update seems to be stalled. All other updates work as normal:
user@domain:~$ sudo aptitude -Pvv full-upgrade
[sudo] password for default:
The following NEW packages will be installed:
The following packages will be upgraded:
2 packages upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 3,028 kB of archives. After unpacking 8,432 kB will be used.
The following packages have unmet dependencies:
libsane1 : Breaks: libsane (< 1.0.27-1) but 1.0.25-4.1 is installed
libsane : Depends: libsane-common (= 1.0.25-4.1) but 1.0.27-1~experimental6 is to be installed
The following actions will resolve these dependencies:
Keep the following packages at their current version:
1) libsane-common [1.0.25-4.1 (now, unstable)]
2) libsane1 [Not Installed]
3) sane-utils [1.0.25-4.1 (now)]
Accept this solution? [Y/n/q/?]
I always choose "Y". I keep waiting for the situation to resolve itself, but it never does.