1One or more block group descriptor checksums are invalid. Fix? yes 2 3Group descriptor 0 checksum is 0x4972, should be 0x7074. FIXED. 4Pass 1: Checking inodes, blocks, and sizes 5Pass 2: Checking directory structure 6Pass 3: Checking directory connectivity 7Pass 4: Checking reference counts 8Pass 5: Checking group summary information 9Inode bitmap differences: Group 0 inode bitmap does not match checksum. 10FIXED. 11Block bitmap differences: Group 0 block bitmap does not match checksum. 12FIXED. 13 14test_filesys: ***** FILE SYSTEM WAS MODIFIED ***** 15test_filesys: 11/128 files (0.0% non-contiguous), 18/512 blocks 16Exit status is 1 17