Actually could you run the script, unavailable.py, which I've attached to this bug report? It should give me a reduced set of packages to look at. Thanks in advance!
** Attachment added: "unavailable.py" https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1885564/+attachment/5390254/+files/unavailable.py ** Changed in: ubuntu-release-upgrader (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1885564 Title: always come system program problem detected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1885564/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
