This also affects me, on all tested machines. It also happens on machines WITHOUT ANY SNAPSHOT, so snapshots are not the root cause.
Currently upgrades from Ubunto 24.10 to 25.04 IF ROOT ON ZFS ARE NOT FEASABLE. Hope that helps -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2110891 Title: System freeze on release upgrade 24.10 oneiric to 25.04 plucky with root fs on ZFS and snapshots To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/2110891/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
