This failure appears to be coming from the gnome debconf frontend, which for some reason is crashing in the upgrade environment between 18.04 and 20.04.
** Package changed: pam (Ubuntu) => libgtk3-perl (Ubuntu) ** Changed in: libgtk3-perl (Ubuntu) Status: Incomplete => New ** Tags added: ff-incoming -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1871960 Title: package libpam-modules 1.1.8-3.6ubuntu2.18.04.1 failed to install/upgrade: pre-dependency problem - not installing libpam- modules:amd64 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libgtk3-perl/+bug/1871960/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs