@daniel, I reported a new issue. Let's focus on below links. Thanks!
https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/1955690 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1928200 Title: Prompt error message "Failed to unmount /oldroot" when shutdown or reboot To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1928200/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
