164-bit filesystem support is not enabled. The larger fields afforded by this feature enable full-strength checksumming. Pass -O 64bit to rectify. 2Creating filesystem with 65536 4k blocks and 16384 inodes 3Superblock backups stored on blocks: 4 32768 5 6Allocating group tables: done 7Writing inode tables: done 8Creating journal (4096 blocks): done 9Writing superblocks and filesystem accounting information: done 10 11Pass 1: Checking inodes, blocks, and sizes 12Pass 2: Checking directory structure 13Pass 3: Checking directory connectivity 14Pass 4: Checking reference counts 15Pass 5: Checking group summary information 16test_filesys: 11/16384 files (0.0% non-contiguous), 5164/65536 blocks 17Exit status is 0 18debugfs write journal 19set the label on a dirty-journal fs 20Recovering journal. 21fsck the whole mess 22Pass 1: Checking inodes, blocks, and sizes 23Pass 2: Checking directory structure 24Pass 3: Checking directory connectivity 25Pass 4: Checking reference counts 26Pass 5: Checking group summary information 27Block bitmap differences: +(0--1050) +(32768--36880) 28Fix? yes 29 30Inode bitmap differences: +(1--11) 31Fix? yes 32 33Padding at end of inode bitmap is not set. Fix? yes 34 35 36test_filesys: ***** FILE SYSTEM WAS MODIFIED ***** 37test_filesys: 11/16384 files (0.0% non-contiguous), 5164/65536 blocks 38Exit status is 1 39