I've upgraded 4 systems from 18.04 to 20.04, and only one has shown this behavior. Will attach an strace of the focal process. I ran the strace for approximately 30 seconds.
** Attachment added: "strace of the python focal process, while bug is occurring" https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1874272/+attachment/5419188/+files/focal.strace -- 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 ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
