1. Apply diff and compile kernel 2. dd if=disk_1 of=/dev/sda bs=1M dd if=disk_1 of=/dev/sda bs=1M seek=43 3. mount /dev/sda temp # will stuck 4. sync /dev/sda # Type this command in another terminal, finish it in 5s when you see "wait sync" from dmesg. 4. umount temp 5. fsck.ext4 -fn /dev/sda Unattached inode 13 Connect to /lost+found? no Pass 5: Checking group summary information /dev/sda: ********** WARNING: Filesystem still has errors ********** =============== 'touch file' is recorded in journal of sda, and the journal is not replayed yet. journal in sda: Journal starts at block 1, transaction 2 Found expected sequence 2, type 1 (descriptor block) at block 1 Dumping descriptor block, sequence 2, at block 1: FS block 266 logged at journal block 2 (flags 0x0) FS block 2 logged at journal block 3 (flags 0x2) FS block 276 logged at journal block 4 (flags 0x2) # new inode FS block 273 logged at journal block 5 (flags 0x2) FS block 3479 logged at journal block 6 (flags 0x2) # new dentry FS block 1 logged at journal block 7 (flags 0xa) Found expected sequence 2, type 2 (commit block) at block 8
Created attachment 305067 [details] diff
1. Apply diff_v2 and compile kernel 2. dd if=disk of=/dev/sda bs=1M 3. mount /dev/sda temp # will stuck 4. sync /dev/sda # Type this command in another terminal, finish it in 5s when you see "wait sync" from dmesg. 4. umount temp 5. fsck.ext4 -fa /dev/sda /dev/sda: Unattached inode 13 /dev/sda: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY. (i.e., without -a or -p options) =============== 'touch file' is recorded in journal of sda, and the journal is not replayed yet. journal in sda: Journal starts at block 1, transaction 2 Found expected sequence 2, type 1 (descriptor block) at block 1 Dumping descriptor block, sequence 2, at block 1: FS block 84 logged at journal block 2 (flags 0x0) FS block 2 logged at journal block 3 (flags 0x2) FS block 89 logged at journal block 4 (flags 0x2) # new inode FS block 86 logged at journal block 5 (flags 0x2) FS block 726 logged at journal block 6 (flags 0x2) # new dentry FS block 1 logged at journal block 7 (flags 0x2) FS block 83 logged at journal block 8 (flags 0xa)
Created attachment 305068 [details] diff_v2
Created attachment 305069 [details] disk