Seems like a duplicate of bug #392836 - wrong UUID reported there may be a consequence of using ${DEVICE} instead of ${LBOOT} as described by reporter.
-- os-prober entries do not use correct /boot device https://bugs.launchpad.net/bugs/445367 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs