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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=ms2pCJrBk9UTxLxhSRBsvk7RMPzzgXgfQUzuWQCogdA=; b=luyCBHvBfgVgxCSGM6cbrqpvzx99WDSFQ8mIwQTroUT58ali4ci8Dm0vheZCt6cw4+ OZXdJ8wfw9y/AoJZU/eIhEhCtdpH7N+yoFVkFhE62LZwAoZm8S5nFodZ5Sf8Wci7Lw7r iwuWg0oVOENlNxx3xpCA5zcGnbw19zkwCoRaSWZTGzdc/bF6hQbKaWl98Xlosf7B1QEs P7vmUG5e37NLCJCNwZbJkyQx9eeM51A6K0d4WOdHjsXXC6qQCxm4AVUHMy5z1lvmQTRd HsdImL6IZK+puAoWe+Bl2GU6Yz3bMKPZ9RUzPCnCJ5c9wNWL9wKfVT3PrnWQcQeDWBHC SHXw== X-Gm-Message-State: APjAAAVxB35UWP8KW1uH8jYE4/kc0gOU50zBTL9ezt22jKTIl5ShwrEY tAX9xWy1BUrhJsTwDXXdu6VL2Z+PGD5YCrQLe4I= X-Google-Smtp-Source: APXvYqwxYusbScFmvhmOZWATZ1tqkn/QgSEkmgrdBaaqBtkw30LsZ/4+VE/20C14dqxeyS7N6oWgiTc3mjuuW9br7nc= X-Received: by 2002:a2e:870b:: with SMTP id m11mr10666943lji.93.1578923389081; Mon, 13 Jan 2020 05:49:49 -0800 (PST) MIME-Version: 1.0 Received: by 2002:a2e:8417:0:0:0:0:0 with HTTP; Mon, 13 Jan 2020 05:49:48 -0800 (PST) In-Reply-To: <91f73ea7-45fb-714e-5adf-82227c4734f5@huawei.com> References: <20191125174048.GA71634@jaegeuk-macbookpro.roam.corp.google.com> <20191126183448.GB5510@jaegeuk-macbookpro.roam.corp.google.com> <20191127182615.GB42245@jaegeuk-macbookpro.roam.corp.google.com> <20191203174302.GB41093@jaegeuk-macbookpro.roam.corp.google.com> <7bda6647-f4d6-216a-c771-a9023362e16b@huawei.com> <86e80c6f-0470-6b58-696e-3b43c76f9852@huawei.com> <91f73ea7-45fb-714e-5adf-82227c4734f5@huawei.com> From: Stephanos Mallouris Date: Mon, 13 Jan 2020 15:49:48 +0200 Message-ID: To: Chao Yu X-Headers-End: 1ir06O-003Blo-4X Subject: Re: [f2fs-dev] problem with f2fs android partition X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jaegeuk Kim , linux-f2fs-devel@lists.sourceforge.net Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net Dear All, I have made a fresh test and trial. Please see my actions. 1. First i disk dump the original image file to a new hard drive partition i first created (20GB) using the command: sudo dd if=mmcblk0p49.raw bs=4096 status=progress of=/dev/sdc1. 2. Downloaded using git and patching main.c per your instructions. 3. Make the patched f2fs-tools. 4. Put the new drive with the partition using USB, regognized as sdc , sdc1. 5. Go this result on trying the dump.f2fs elementary@elementary:/media/elementary/mysparky/work_on_f2fs$ sudo dump.f2fs -i3 /dev/sdc1 Info: [/dev/sdc1] Disk Model: HDWJ110 Info: Segments per section = 1 Info: Sections per zone = 1 Info: sector size = 512 Info: total sectors = 42008576 (20512 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 4.15.0-36-generic (buildd@lgw01-amd64-031) (gcc version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #39-Ubuntu SMP Mon Sep 24 16:19:09 UTC 2018" to "Linux version 4.15.0-36-generic (buildd@lgw01-amd64-031) (gcc version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #39-Ubuntu SMP Mon Sep 24 16:19:09 UTC 2018" Info: superblock features = 0 : Info: superblock encrypt level = 0, salt = 00000000000000000000000000000000 Info: total FS sectors = 22310912 (10894 MB) Info: CKPT version = 1307e4 [print_node_info: 267] Node ID [0x0:0] is inode i_mode [0x 0 : 0] i_advise [0x 0 : 0] i_uid [0x 0 : 0] i_gid [0x 0 : 0] i_links [0x 0 : 0] i_size [0x 0 : 0] i_blocks [0x 0 : 0] i_atime [0x 0 : 0] i_atime_nsec [0x 0 : 0] i_ctime [0x 0 : 0] i_ctime_nsec [0x 0 : 0] i_mtime [0x 0 : 0] i_mtime_nsec [0x 0 : 0] i_generation [0x 0 : 0] i_current_depth [0x 0 : 0] i_xattr_nid [0x 0 : 0] i_flags [0x 0 : 0] i_inline [0x 0 : 0] i_pino [0x 0 : 0] i_dir_level [0x 0 : 0] i_ext: fofs:0 blkaddr:0 len:0 i_addr[ofs] [0x 0 : 0] i_addr[ofs + 1] [0x 0 : 0] i_addr[ofs + 2] [0x 0 : 0] i_addr[ofs + 3] [0x 0 : 0] i_nid[0] [0x 0 : 0] i_nid[1] [0x 0 : 0] i_nid[2] [0x 0 : 0] i_nid[3] [0x 0 : 0] i_nid[4] [0x 0 : 0] Invalid (i)node block Info: checkpoint state = 4 : compacted_summary sudden-power-off Done: 0.024776 secs 6. then tried twice to sudo fsck.f2fs /dev/sdc1 and on the second time i think the patched code work due to giving : sudo fsck.f2fs /dev/sdc1 Info: [/dev/sdc1] Disk Model: HDWJ110 Info: Segments per section = 1 Info: Sections per zone = 1 Info: sector size = 512 Info: total sectors = 42008576 (20512 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 4.15.0-36-generic (buildd@lgw01-amd64-031) (gcc version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #39-Ubuntu SMP Mon Sep 24 16:19:09 UTC 2018" to "Linux version 4.15.0-36-generic (buildd@lgw01-amd64-031) (gcc version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #39-Ubuntu SMP Mon Sep 24 16:19:09 UTC 2018" Info: superblock features = 0 : Info: superblock encrypt level = 0, salt = 00000000000000000000000000000000 Info: total FS sectors = 22310912 (10894 MB) Info: CKPT version = 1307e4 Info: Checked valid nat_bits in checkpoint Info: checkpoint state = 281 : allow_nocrc nat_bits unmount [ASSERT] (is_root_nat_corrupted: 610) --> nid[0x3] ino is 0 [ASSERT] (sanity_check_nid: 392) --> 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] So now the checkpoing changed to Info: checkpoint state = 281 : allow_nocrc nat_bits unmount from Info: checkpoint state = 4 : compacted_summary sudden-power-off so i believe there is some progress... 7. Now when i try to mount the sdc1 partiotion , using dmesg i get the following information [ 5553.260078] sdc: sdc1 [ 5563.337756] sdc: sdc1 [ 5606.821439] F2FS-fs (sdc1): Found nat_bits in checkpoint [ 5606.965813] F2FS-fs (sdc1): Found nat_bits in checkpoint And unfortunatly i am unable to Mount It. Please advice on further actions and steps.. i think we are getting somewhere. Regarding previous email the correct information is [ASSERT] (sanity_check_nid: 418) --> nid[0x3] nat_entry->ino[0x3] > footer.ino[0x0] Regards Stephanos M. On 1/8/20, Chao Yu wrote: > Hi Stephanos, > > On 2020/1/7 22:09, Stephanos Mallouris wrote: >> Dear Yu, >> >> Thanks for the reply, i did patch and compile the f2fs-tools. >> I run two cases >> 1. sudo ./fsck.f2fs /media/elementary/eengineering/mmcblk0p49.raw >> --dry-run -a -y >> >> Results attached in firest log file >> >> 2. sudo ./fsck.f2fs /media/elementary/eengineering/mmcblk0p49.raw >> --dry-run -a -y > > It looks running fsck two times still didn't repair the partition. > >> >> Results attached in second log file >> >> Please have a look, when possible, assistance is much appreciated. >> >> Attaching also the main.c patched file. > > I found the output is not the same as you reported previously: > > Previous: > [ASSERT] (sanity_check_nid: 362) --> nid[0x3] ino is 0 > > Now: > [ASSERT] (sanity_check_nid: 418) --> nid[0x3] nat_entry->ino[0x3] > footer.ino[0x0] > > Did you run fsck on original backuped image? or we have ran fsck several > times > on current image before run patched fsck? > > And I didn't find debug message such as "Relink root inode, blkaddr: 0x%x", > That means my patch didn't fix anything on your current image, fsck still > failed > due to sanity check find another inconsistency on root inode ( which needs > another > patch to fix maybe...). > > Could you dump root inode info on current image? > > dump.f2fs -i 3 /media/elementary/eengineering/mmcblk0p49.raw > > Thanks, > >> >> Regards >> >> stephanos m >> >> >> >> On 12/31/19, Chao Yu wrote: >>> Hi, >>> >>> Sorry for the delay. >>> >>> I figure out a patch to handle your case, w/ this patch, fsck will try >>> to >>> search >>> root inode and once it finds the target, it will relink it to its nat >>> entry, >>> after this, all following check in fsck could be executed later. >>> >>> If you still keep that corrupted image, could you please have a try w/ >>> this >>> patch? >>> >>> [PATCH] fsck.f2fs: lookup and relink root inode >>> >>> Thanks, >>> >>> On 2019/12/17 18:11, Stephanos Mallouris wrote: >>>> Hi to all, >>>> >>>> Sorry for the late reply. running the commands as suggested gave the >>>> following: >>>> >>>> 1. # dump.f2fs -i 0x3 /dev/sdc3 >>>> >>>> Info: sector size = 512 >>>> Info: total sectors = 25624576 (12512 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 4.1.46-EliteKernelReborn-v6+ >>>> (hassanmirza01@ubuntu) (gcc version 4.9 20150123 (prerelease) (GCC) ) >>>> #1 SMP PREEMPT Sat Jan 27 00:46:02 PKT 2018" >>>> to "Linux version 4.4.0-170-generic (buildd@lgw01-amd64-015) (gcc >>>> version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12) ) #199-Ubuntu >>>> SMP Thu Nov 14 01:44:41 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 = 4 : compacted_summary sudden-power-off >>>> Invalid node block >>>> >>>> >>>> Done. >>>> >>>> 2. # dump.f2fs -i 0x4 /dev/sdc3 >>>> >>>> Info: sector size = 512 >>>> Info: total sectors = 25624576 (12512 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 4.4.0-170-generic (buildd@lgw01-amd64-015) (gcc >>>> version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12) ) #199-Ubuntu >>>> SMP Thu Nov 14 01:44:41 UTC 2019" >>>> to "Linux version 4.4.0-170-generic (buildd@lgw01-amd64-015) (gcc >>>> version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12) ) #199-Ubuntu >>>> SMP Thu Nov 14 01:44:41 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 = 4 : compacted_summary sudden-power-off >>>> [print_node_info: 103] Node ID [0x4:4] is inode >>>> i_mode [0x 41f8 : 16888] >>>> i_advise [0x 2 : 2] >>>> i_uid [0x 3ff : 1023] >>>> i_gid [0x 3ff : 1023] >>>> i_links [0x 5 : 5] >>>> i_size [0x 1000 : 4096] >>>> i_blocks [0x 3 : 3] >>>> i_atime [0x5c52cc67 : 1548930151] >>>> i_atime_nsec [0x380742f0 : 939999984] >>>> i_ctime [0x5da861d5 : 1571316181] >>>> i_ctime_nsec [0x232aaf7f : 589999999] >>>> i_mtime [0x5ca8c4a0 : 1554564256] >>>> i_mtime_nsec [0x bebc1fd : 199999997] >>>> i_generation [0x414c2cfb : 1095511291] >>>> i_current_depth [0x 1 : 1] >>>> i_xattr_nid [0x 5 : 5] >>>> i_flags [0x 0 : 0] >>>> i_inline [0x 0 : 0] >>>> i_pino [0x 3 : 3] >>>> i_namelen [0x 5 : 5] >>>> i_name [media] >>>> i_ext: fofs:0 blkaddr:0 len:0 >>>> i_addr[0] [0x 294852 : 2705490] >>>> i_addr[1] [0x 0 : 0] >>>> i_addr[2] [0x 0 : 0] >>>> i_addr[3] [0x 0 : 0] >>>> i_nid[0] [0x 0 : 0] >>>> i_nid[1] [0x 0 : 0] >>>> i_nid[2] [0x 0 : 0] >>>> i_nid[3] [0x 0 : 0] >>>> i_nid[4] [0x 0 : 0] >>>> >>>> Not a regular file >>>> >>>> >>>> Done. >>>> >>>> >>>> >>>> >>>> 3. dump.f2fs -i 0x5 /dev/sdc3 >>>> >>>> Info: sector size = 512 >>>> Info: total sectors = 25624576 (12512 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 4.4.0-170-generic (buildd@lgw01-amd64-015) (gcc >>>> version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12) ) #199-Ubuntu >>>> SMP Thu Nov 14 01:44:41 UTC 2019" >>>> to "Linux version 4.4.0-170-generic (buildd@lgw01-amd64-015) (gcc >>>> version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12) ) #199-Ubuntu >>>> SMP Thu Nov 14 01:44:41 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 = 4 : compacted_summary sudden-power-off >>>> [print_node_info: 109] Node ID [0x5:5] is direct node or indirect node. >>>> [0] [0xf2f52011 : -218816495] >>>> [1] [0x 1 : 1] >>>> [2] [0x 0 : 0] >>>> [3] [0x 0 : 0] >>>> [4] [0x 0 : 0] >>>> [5] [0x 0 : 0] >>>> [6] [0x 210706 : 2164486] >>>> [7] [0x696c6573 : 1768711539] >>>> [8] [0x7578756e : 1970828654] >>>> [9] [0x6a626f3a : 1784835898] >>>> [10] [0x5f746365 : 1601463141] >>>> Not a regular file >>>> >>>> >>>> Done. >>>> >>>> Those are the results. Hoping for your assistance and help >>>> >>>> Regards >>>> >>>> Stephanos M. >>>> >>>> >>>> >>>> On 12/4/19, Chao Yu wrote: >>>>> Hi Jaegeuk, >>>>> >>>>> On 2019/12/4 1:43, Jaegeuk Kim wrote: >>>>>> Hi, >>>>>> >>>>>> I think you didn't back up the root inode block, since it showed >>>>>> zeros. >>>>>> Could you try the below a bit on fresh back-up image again? >>>>>> >>>>>> # dump.f2fs -i 0x3 /dev/sdc1 >>>>>> # dump.f2fs -i 0x4 /dev/sdc1 >>>>>> # dump.f2fs -i 0x5 /dev/sdc1 >>>>> >>>>> Quoted: >>>>> "[ASSERT] (sanity_check_nid: 362) --> nid[0x3] ino is 0" >>>>> >>>>> Look into log in the Stephanos' first report email, it looks like nat >>>>> entry >>>>> of root inode was broken, if this is true, IMO, we have to add a >>>>> routine >>>>> to >>>>> detect such inconsistence and lookup last root inode and relink to its >>>>> nat >>>>> entry. >>>>> >>>>> Thanks, >>>>> >>>>>> >>>>>> Thanks, >>>>>> >>>>>> On 11/28, Stephanos Mallouris wrote: >>>>>>> Hi, >>>>>>> >>>>>>> Thanks for the effort and advice . >>>>>>> Did execute the command. It gave a lot of information , >>>>>>> so i am attaching that to a file. >>>>>>> >>>>>>> Regards >>>>>>> >>>>>>> Stephanos >>>>>>> >>>>>>> >>>>>>> On 11/27/19, Jaegeuk Kim wrote: >>>>>>>> Hi, >>>>>>>> >>>>>>>> On 11/27, Stephanos Mallouris wrote: >>>>>>>>> Dear Kim , >>>>>>>>> >>>>>>>>> Regarding the question: >>>>>>>>> >>>>>>>>> "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. >>>>>>>>> " >>>>>>>>> >>>>>>>>> I do have the original dump raw image. Please advice actions >>>>>>>>> to assist in recovering it. >>>>>>>> >>>>>>>> Could you share the first run with that image? >>>>>>>> # fsck.f2fs -d 3 "fresh backup image" >>>>>>>> >>>>>>>> Thanks, >>>>>>>> >>>>>>>>> >>>>>>>>> I did a dd to an external drive, and from where i tried >>>>>>>>> unsuccessful >>>>>>>>> so >>>>>>>>> far. >>>>>>>>> I use the following command >>>>>>>>> >>>>>>>>> sudo dd if=mmcblk0p49.raw bs=512 oflag=sync status=progress >>>>>>>>> of=/dev/sda1 >>>>>>>>> >>>>>>>>> mmcblk0p49.raw is the backup partitioned. >>>>>>>>> >>>>>>>>> Thanks in advance >>>>>>>>> >>>>>>>>> Stephanos M. >>>>>>>>> >>>>>>>>> >>>>>>>>> On 11/26/19, Jaegeuk Kim wrote: >>>>>>>>>> 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 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 >>>>>> . >>>>>> >>>>> >>>> . >>>> >>> > _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel