1 ../e2fsck/e2fsck: Group descriptors look bad... trying backup blocks...
2 One or more block group descriptor checksums are invalid. Fix? yes
4 Group descriptor 0 checksum is invalid. FIXED.
5 Inode table for group 1 is not in group. (block 0)
6 WARNING: SEVERE DATA LOSS POSSIBLE.
9 Group descriptor 1 checksum is invalid. FIXED.
10 Group descriptor 2 checksum is invalid. FIXED.
11 Group descriptor 3 checksum is invalid. FIXED.
12 Pass 1: Checking inodes, blocks, and sizes
13 Relocating group 1's inode table to 142...
14 Restarting e2fsck from the beginning...
15 Group descriptor 1 checksum is invalid. FIXED.
16 Pass 1: Checking inodes, blocks, and sizes
17 Pass 2: Checking directory structure
18 Pass 3: Checking directory connectivity
19 Pass 4: Checking reference counts
20 Pass 5: Checking group summary information
21 Inode bitmap differences: -(65--128)
25 test_filesys: ***** FILE SYSTEM WAS MODIFIED *****
26 test_filesys: 12/256 files (0.0% non-contiguous), 31163/32768 blocks