Checking the EFI jumpstart record
error: (oid 0x401) nr: invalid o_oid (0xfbd)
error: (oid 0x401) nr: invalid o_type (0x80000002, expected 0x80000011)
error: verification/reading of the nx_reaper object failed: Illegal byte sequence
The volume /dev/disk0s2 could not be verified completely...