@Michael Vogt, I use the kernel option "rootflags=subvol=@" as you and get the same problem. I solved it by booting in recovery mode and running "chmod +rx /" (it should be related to the subvolume permissions of partman-btrfs that Colin Watson tall about).
-- 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 ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
