I have the same problem with Precise Pangolin 12.04 Alpha 1 and a btrfs partition : immediately after the BIOS screen, I see a message "error: sparse file not allowed". After a few seconds, the Linux boots starts successfully.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/736743 Title: environment block not implemented on btrfs To manage notifications about this bug go to: https://bugs.launchpad.net/grub/+bug/736743/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs