With the latest updates it seems OK again. Currently I get the following output:
$ sudo grub-install /dev/sda Installation finished. No error reported. $ sudo grub-probe -d /dev/sda1 btrfs -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/732149 Title: [natty] btrfs "grub-probe: error: unknown filesystem" -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
