Sorry, I can't add much, but the process on my machine (2Core 4T Intel Haswell, 16GB Ram, Samsung 860Evo SSD) took over 6 hours. Update was from 19.10 to 20.04.
$ grep "obsolete pkgs" /var/log/dist-upgrade/main.log 2020-04-30 20:17:50,550 DEBUG Start checking for obsolete pkgs 2020-05-01 02:39:51,833 DEBUG Finish checking for obsolete pkgs -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1874272 Title: Stage "searching for obsolete software" takes a very long time (30 minutes) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1874272/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
