This needs to be confirmed to still exist in GRUB 2.12, but I don't think that this warrants "Critical" severity, downgrading to "Medium", and will look into it at some point.
** Changed in: grub2 (Ubuntu) Importance: Critical => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1851311 Title: loopback command hangs in 2.04 under UEFI To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1851311/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs