On 11/26, Stephanos Mallouris wrote: > Dear Kim, > > Thanks for getting back to me. > > I executed the command fsck.f2fs -d 3 -f /dev/sdc1 > and it gave me the following information: > > Info: Debug level = 3 > Info: Force to fix corruption > Info: sector size = 512 > Info: total sectors = 22310913 (10894 MB) > Info: MKFS version > "Linux version 4.1.46-EliteKernelReborn-v5+ (hassanmirza01@ubuntu) > (gcc version 4.9 20150123 (prerelease) (GCC) ) #1 SMP PREEMPT Fri Jan > 19 17:16:04 PKT 2018" > Info: FSCK version > from "Linux version 4.4.0-169-generic (buildd@lgw01-amd64-022) (gcc > version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12) ) #198-Ubuntu > SMP Tue Nov 12 10:34:23 UTC 2019" > to "Linux version 4.4.0-169-generic (buildd@lgw01-amd64-022) (gcc > version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12) ) #198-Ubuntu > SMP Tue Nov 12 10:34:23 UTC 2019" > Info: superblock features = 0 : > Info: superblock encrypt level = 0, salt = 00000000000000000000000000000000 > > +--------------------------------------------------------+ > | Super block | > +--------------------------------------------------------+ > magic [0xf2f52010 : 4076150800] > major_ver [0x 1 : 1] > volum_name [] > minor_ver [0x 7 : 7] > log_sectorsize [0x 9 : 9] > log_sectors_per_block [0x 3 : 3] > log_blocksize [0x c : 12] > log_blocks_per_seg [0x 9 : 9] > segs_per_sec [0x 1 : 1] > secs_per_zone [0x 1 : 1] > checksum_offset [0x 0 : 0] > block_count [0x 2a8e00 : 2788864] > section_count [0x 151f : 5407] > segment_count [0x 1546 : 5446] > segment_count_ckpt [0x 2 : 2] > segment_count_sit [0x 2 : 2] > segment_count_nat [0x 18 : 24] > segment_count_ssa [0x b : 11] > segment_count_main [0x 151f : 5407] > segment0_blkaddr [0x 200 : 512] > cp_blkaddr [0x 200 : 512] > sit_blkaddr [0x 600 : 1536] > nat_blkaddr [0x a00 : 2560] > ssa_blkaddr [0x 3a00 : 14848] > main_blkaddr [0x 5000 : 20480] > root_ino [0x 3 : 3] > node_ino [0x 1 : 1] > meta_ino [0x 2 : 2] > cp_payload [0x 0 : 0] > version Linux version 4.4.0-169-generic > (buildd@lgw01-amd64-022) (gcc version 5.4.0 20160609 (Ubuntu > 5.4.0-6ubuntu1~16.04.12) ) #198-Ubuntu SMP Tue Nov 12 10:34:23 UTC > 2019 > Info: total FS sectors = 22310912 (10894 MB) > Info: CKPT version = 1307e4 > > +--------------------------------------------------------+ > | Checkpoint | > +--------------------------------------------------------+ > checkpoint_ver [0x 1307e4 : 1247204] > user_block_count [0x 289400 : 2659328] > valid_block_count [0x 0 : 0]
Hmm, # of valid blocks is 0, which is really impossible. Do you have original backed up image? I think at some point the image was overwritten when fsck.f2fs tried to fix. > rsvd_segment_count [0x 70 : 112] > overprov_segment_count [0x d5 : 213] > free_segment_count [0x 1519 : 5401] > alloc_type[CURSEG_HOT_NODE] [0x 1 : 1] > alloc_type[CURSEG_WARM_NODE] [0x 1 : 1] > alloc_type[CURSEG_COLD_NODE] [0x 1 : 1] > cur_node_segno[0] [0x 3 : 3] > cur_node_segno[1] [0x 4 : 4] > cur_node_segno[2] [0x 5 : 5] > cur_node_blkoff[0] [0x 0 : 0] > cur_node_blkoff[1] [0x 0 : 0] > cur_node_blkoff[2] [0x 0 : 0] > alloc_type[CURSEG_HOT_DATA] [0x 1 : 1] > alloc_type[CURSEG_WARM_DATA] [0x 1 : 1] > alloc_type[CURSEG_COLD_DATA] [0x 1 : 1] > cur_data_segno[0] [0x 0 : 0] > cur_data_segno[1] [0x 1 : 1] > cur_data_segno[2] [0x 2 : 2] > cur_data_blkoff[0] [0x 0 : 0] > cur_data_blkoff[1] [0x 0 : 0] > cur_data_blkoff[2] [0x 0 : 0] > ckpt_flags [0x 1 : 1] > cp_pack_total_block_count [0x 8 : 8] > cp_pack_start_sum [0x 1 : 1] > valid_node_count [0x 0 : 0] > valid_inode_count [0x 0 : 0] > next_free_nid [0x 14105 : 82181] > sit_ver_bitmap_bytesize [0x 40 : 64] > nat_ver_bitmap_bytesize [0x 300 : 768] > checksum_offset [0x ffc : 4092] > elapsed_time [0x 167a468 : 23569512] > sit_nat_version_bitmap[0] [0x 79 : 121] > > > [lookup_nat_in_journal:1515] ==> Found nid [0x4bb2] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x6ba0] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x783c] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0xa0ec] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0xab88] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0xadcd] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0xb19c] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0xb431] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0xb8f4] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0xbf40] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0xce28] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0xd299] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0xd56c] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0xd8d3] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0xe527] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0xe67d] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0xf88c] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0xfc96] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x10271] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x111d6] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x1154e] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x11b66] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x1271e] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x12abc] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x1339b] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x137d2] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x139ae] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x14363] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x146a2] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x151a3] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x151da] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x15580] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x15744] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x158eb] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x16030] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x1632b] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x16722] in nat cache > [lookup_nat_in_journal:1515] ==> Found nid [0x16c38] in nat cache > [build_nat_area_bitmap:1718] valid nat entries (block_addr != 0x0) [0x > 0 : 0] > [build_sit_area_bitmap:1214] Blocks [0x0 : 0] Free Segs [0x1519 : 5401] > > Info: checkpoint state = 1 : unmount > [ASSERT] (sanity_check_nid: 362) --> nid[0x3] ino is 0 > > [FSCK] Unreachable nat entries [Ok..] [0x0] > [FSCK] SIT valid block bitmap checking [Ok..] > [FSCK] Hard link checking for regular file [Ok..] [0x0] > [FSCK] valid_block_count matching with CP [Ok..] [0x0] > [FSCK] valid_node_count matcing with CP (de lookup) [Ok..] [0x0] > [FSCK] valid_node_count matcing with CP (nat lookup) [Ok..] [0x0] > [FSCK] valid_inode_count matched with CP [Ok..] [0x0] > [FSCK] free segment_count matched with CP [Ok..] [0x1519] > [FSCK] next block offset is free [Ok..] > [FSCK] fixing SIT types > [FSCK] other corrupted bugs [Fail] > [move_curseg_info:1471] Move curseg[0] 0 -> 0 after 5000 > [move_curseg_info:1471] Move curseg[1] 1 -> 1 after 5000 > [move_curseg_info:1471] Move curseg[2] 2 -> 2 after 5000 > [move_curseg_info:1471] Move curseg[3] 3 -> 3 after 5000 > [move_curseg_info:1471] Move curseg[4] 4 -> 4 after 5000 > [move_curseg_info:1471] Move curseg[5] 5 -> 5 after 5000 > > Done. > > > It still give the same error trying to mount the partiotion. > [57765.609319] F2FS-fs (sdc1): Failed to read root inode > [57765.651048] F2FS-fs (sdc1): Failed to read root inode > [58015.507861] F2FS-fs (sdc1): Failed to read root inode > [58015.563422] F2FS-fs (sdc1): Failed to read root inode > > Please advice and assist if possible. > > Kindest Regards, > > Stephanos Mallouris > > On 11/25/19, Jaegeuk Kim <jaeg...@kernel.org> wrote: > > Hi, > > > > On 11/22, Stephanos Mallouris wrote: > >> Dear all, > >> > >> I have backup my f2fs android partition via netcat and adb. > >> After loosing the original partition, tried to restore it on a local > >> drive and access it via linux but i am encountering the following > >> issues: > >> > >> A. trying the command > >> > >> sudo mount -t f2fs /dev/sdc1 /mnt > >> > >> gives the following error > >> > >> F2FS-fs (sdc1): Failed to read root inode > >> > >> B1. Tried to fsck the file system , see bellow: > >> > >> sudo fsck.f2fs -a /dev/sdc1 > >> > >> result: > >> > >> Info: Fix the reported corruption. > >> Info: sector size = 512 > >> Info: total sectors = 22310913 (10894 MB) > >> Info: MKFS version > >> "Linux version 4.1.46-EliteKernelReborn-v5+ (hassanmirza01@ubuntu) > >> (gcc version 4.9 20150123 (prerelease) (GCC) ) #1 SMP PREEMPT Fri Jan > >> 19 17:16:04 PKT 2018" > >> Info: FSCK version > >> from "Linux version 4.4.0-169-generic (buildd@lgw01-amd64-022) (gcc > >> version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12) ) #198-Ubuntu > >> SMP Tue Nov 12 10:34:23 UTC 2019" > >> to "Linux version 4.4.0-169-generic (buildd@lgw01-amd64-022) (gcc > >> version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12) ) #198-Ubuntu > >> SMP Tue Nov 12 10:34:23 UTC 2019" > >> Info: superblock features = 0 : > >> Info: superblock encrypt level = 0, salt = > >> 00000000000000000000000000000000 > >> Info: total FS sectors = 22310912 (10894 MB) > >> Info: CKPT version = 1307e4 > >> Info: No error was reported > >> > >> Still unable to mount the partiotion , gives the same error. > >> > >> B2. Tried > >> sudo fsck.f2fs -f /dev/sdc1 > > > > Could you try: fsck.f2fs -d 3 -f /dev/sdc1? > > It seems you didn't back up the entire partition which is missing root > > inode > > block. > > > > Thanks, > > > >> > >> result > >> > >> Info: Force to fix corruption > >> Info: sector size = 512 > >> Info: total sectors = 22310913 (10894 MB) > >> Info: MKFS version > >> "Linux version 4.1.46-EliteKernelReborn-v5+ (hassanmirza01@ubuntu) > >> (gcc version 4.9 20150123 (prerelease) (GCC) ) #1 SMP PREEMPT Fri Jan > >> 19 17:16:04 PKT 2018" > >> Info: FSCK version > >> from "Linux version 4.4.0-169-generic (buildd@lgw01-amd64-022) (gcc > >> version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12) ) #198-Ubuntu > >> SMP Tue Nov 12 10:34:23 UTC 2019" > >> to "Linux version 4.4.0-169-generic (buildd@lgw01-amd64-022) (gcc > >> version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12) ) #198-Ubuntu > >> SMP Tue Nov 12 10:34:23 UTC 2019" > >> Info: superblock features = 0 : > >> Info: superblock encrypt level = 0, salt = > >> 00000000000000000000000000000000 > >> Info: total FS sectors = 22310912 (10894 MB) > >> Info: CKPT version = 1307e4 > >> Info: checkpoint state = 1 : unmount > >> [ASSERT] (sanity_check_nid: 362) --> nid[0x3] ino is 0 > >> > >> [FSCK] Unreachable nat entries [Ok..] [0x0] > >> [FSCK] SIT valid block bitmap checking [Ok..] > >> [FSCK] Hard link checking for regular file [Ok..] [0x0] > >> [FSCK] valid_block_count matching with CP [Ok..] [0x0] > >> [FSCK] valid_node_count matcing with CP (de lookup) [Ok..] [0x0] > >> [FSCK] valid_node_count matcing with CP (nat lookup) [Ok..] [0x0] > >> [FSCK] valid_inode_count matched with CP [Ok..] [0x0] > >> [FSCK] free segment_count matched with CP [Ok..] [0x1519] > >> [FSCK] next block offset is free [Ok..] > >> [FSCK] fixing SIT types > >> [FSCK] other corrupted bugs [Fail] > >> [move_curseg_info:1471] Move curseg[0] 0 -> 0 after 5000 > >> [move_curseg_info:1471] Move curseg[1] 1 -> 1 after 5000 > >> [move_curseg_info:1471] Move curseg[2] 2 -> 2 after 5000 > >> [move_curseg_info:1471] Move curseg[3] 3 -> 3 after 5000 > >> [move_curseg_info:1471] Move curseg[4] 4 -> 4 after 5000 > >> [move_curseg_info:1471] Move curseg[5] 5 -> 5 after 5000 > >> > >> Done. > >> > >> > >> > >> Trying to mount it , no success, gives > >> > >> F2FS-fs (sdc1): Failed to read root inode. > >> > >> > >> Any help or advice will be much appreciated. > >> Keep up the great work on f2fs. > >> > >> Kindest Regards > >> > >> Stephanos Mallouris > >> > >> > >> _______________________________________________ > >> Linux-f2fs-devel mailing list > >> Linux-f2fs-devel@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel > > _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel