Getting this error on 20.04 as well as on 22.04 but only after installing an additional language.
This results in a filesystem check on every boot. Failed to unmount /oldroot: Device or resource busy sd-umoun[]: Failed to unmount /oldroot/dev: Device or resource busy shutdown[1]: Could not detach DM /dev/dm-1: Device or resource busy shutdown[1]: Could not detach DM /dev/dm-0: Device or resource busy shutdown[1]: Failed to finalize file systems, DM devices, ignoring sha256sum 84aeaf7823c8c61baa0ae862d0a06b03409394800000b3235854a6b38eb4856f ubuntu-22.04-live-server-amd64.iso -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1951706 Title: Failed to unmount /oldroot/dev/pts: Device or resource busy To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/finalrd/+bug/1951706/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
