Actually, the fundamental problem here may be that grub-mkrelpath includes the subvolume path in its output, but *only sometimes*, and not when we need it to. It looks as though fixing that, plus adding suitable rootflags= as Michael points out, may be enough.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/712029 Title: ubiquity btrfs install fails to boot (grub rescue> prompt) -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
