1dumpe2fs: MMP: invalid magic number while trying to open test.img 2Exit status is 2 3Superblock has invalid MMP magic. Fix? yes 4 5Pass 1: Checking inodes, blocks, and sizes 6Pass 2: Checking directory structure 7Pass 3: Checking directory connectivity 8Pass 4: Checking reference counts 9Pass 5: Checking group summary information 10test_filesys: 11/128 files (0.0% non-contiguous), 19/512 blocks 11Exit status is 0 12dumpe2fs: it is safe to mount 'test.img', MMP is clean 13Exit status is 0 14MMP_block: 15 mmp_magic: 0x4d4d50 16 mmp_check_interval: 5 17 mmp_sequence: 0xff4d4d50 18 mmp_update_date: test date 19 mmp_update_time: test_time 20 mmp_node_name: test_node 21 mmp_device_name: test.img 22 mmp_block_number: 8 23