An update, not quite 1 year later. I encountered another segfault issue. It began with my email report to the linux-btrfs mailing list titled "BTRFS Balance Hard System Crash (Blinking LEDs)" just the other day.
Essentially, I had run "btrfs balance" on my btrfs filesystem drive/partition (not sd-card). It looks like it had completed or was just about to complete when I came back to my computer to find my keyboard numlock and scrolllock leds were blinking. The short of it was that I thought something about the "balance" process caused the problem. Then I encountered boot issues, and then when I was in, I later encountered issues which dealt with my f2fs (sd-card), where programs weren't being run because of libutils (glibc). So I was forced to do another reboot and everything seemed fine until I went to sleep and woke up again to blinking leds. No btrfs process/action was being taken. I spun up my KDE Neon sd-card, which I'm in right now and running a btrfs scrub on my btrfs drive as I write this. I also ran an fsck.f2fs on my sd-card (not kde-neon), and it got bad right away... ***** $ sudo fsck.f2fs -a /dev/mapper/lukssdi2 Info: Fix the reported corruption. Info: Segments per section = 1 Info: Sections per zone = 1 Info: sector size = 512 Info: total sectors = 124168159 (60628 MB) Info: MKFS version "Linux version 5.1.15.a-1-hardened (builduser@slave-1) (gcc version 9.1.0 (GCC)) #1 SMP PREEMPT Thu Jun 27 11:33:04 CEST 2019" Info: FSCK version from "Linux version 5.7.4-dirty (nater@devx64) (gcc version 10.1.0 (GCC), GNU ld (GNU Binutils) 2.34.0) #2 SMP PREEMPT Sat Jun 20 14:10:44 CDT 2020" to "Linux version 5.4.0-66-generic (buildd@lgw01-amd64-039) (gcc version 9.3.0 (Ubuntu 9.3.0-17ubuntu1~20.04)) #74-Ubuntu SMP Wed Jan 27 22:54:38 UTC 2021" Info: superblock features = 0 : Info: superblock encrypt level = 0, salt = 00000000000000000000000000000000 Info: total FS sectors = 124168152 (60628 MB) Info: CKPT version = 64ad7cd Info: checkpoint state = 45 : crc compacted_summary unmount [ASSERT] (sanity_check_nid: 410) --> nid[0x9e359] footer.nid[0xf9c78d27] footer.ino[0xeb53d27e] [FIX] (__chk_dentries:1458) --> Unlink [0x9e359] - cmp.js len[0x6], type[0x1] [ASSERT] (fsck_chk_inode_blk: 849) --> ino: 0x9e337 has i_blocks: 4b6da06f35755b22, but has 1 blocks [FIX] (fsck_chk_inode_blk: 855) --> [0x9e337] i_blocks=0x4b6da06f35755b22 -> 0x1 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xab5e5e15] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[438] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xf77f2dbc] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[439] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x54f59437] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[440] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xb7e1860a] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[441] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x2f705bf0] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[566] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x8d4d35fd] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[567] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x39b52875] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[568] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x2199a4cb] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[569] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xe96a44d6] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[574] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x71027b6c] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[575] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x8b9ad104] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[576] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x7490f998] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[577] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xfa89d7d7] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[610] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xd4628485]] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[611] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x6824154e] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[612] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x6b50a940] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[613] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xc27ef23] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[782] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x6a5bbf49] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[783] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x7854aab6] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[784] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x64f4372e] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e30d] i_addr[785] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xb14ed504] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e3a6] i_addr[302] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x86a7fda5] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e3a6] i_addr[303] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x989215c5] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e3a6] i_addr[304] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x745044d2] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e3a6] i_addr[305] = 0 [ASSERT] (__check_inode_mode: 371) --> inode [0x9c798] mismatch i_mode [0x1 vs. 0x15a3] [FIX] (__chk_dentries:1458) --> Unlink [0x9c798] - axios.js len[0x8], type[0x1] [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x68e77e8] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e3d7] i_addr[22] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x33facbb] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e3d7] i_addr[23] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xd7859924] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e3d7] i_addr[24] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x7b9854f8] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e3d7] i_addr[25] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x6226d630] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[266] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xb1f9f056] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[267] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xa69e1ca7] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[268] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x2d4c1a87] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[269] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x2cc93801] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[318] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x2caca0cd] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[319] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xb04e26d7] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[320] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x610ce9cf] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[321] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x2db812e1] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[558] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x24241497]] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[559] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x598c6421] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[560] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x795adae8] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[561] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xb838a973] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[606] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xde310dda] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[607] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xdc31adb2] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[608] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x475034e9] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[609] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x3f9d40a7] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[766] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x5a14583c] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[767] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x5d008b8b] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[768] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xa88d34f9] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[769] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x94e78459] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[838] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x6ff9a8fc] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[839] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xc177be50] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[840] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x4972dad4] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5e8] i_addr[841] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xca14c78c] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5fd] i_addr[338] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x5955dbb3] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5fd] i_addr[339] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x2ebcaeff] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5fd] i_addr[340] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x9c34d9c9] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5fd] i_addr[341] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x6e939c46] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5fd] i_addr[434] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xe85c355e] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5fd] i_addr[435] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xa2f7d908] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5fd] i_addr[436] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x2f2dd1e2] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5fd] i_addr[437] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x92c67341] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5fd] i_addr[574] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xe301b1c4] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5fd] i_addr[575] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xbe42214a] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5fd] i_addr[576] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xf1302262] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5fd] i_addr[577] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x9f0379c] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5fd] i_addr[734] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x9894bdcc]] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5fd] i_addr[735] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xd22fb2d1] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5fd] i_addr[736] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xacf8ccf0] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5fd] i_addr[737] = 0 [ASSERT] (__chk_dots_dentries:1275) --> Bad inode number[0x9e35c] for '..', parent parent ino is [0xbc194d49] [ASSERT] (fsck_chk_inode_blk: 866) --> ino: 0x9e38d has i_namelen: 0xa4211fc, but has 4 characters for name [FIX] (fsck_chk_inode_blk: 870) --> [0x9e38d] i_namelen=0xa4211fc -> 0x4 [ASSERT] (__chk_dots_dentries:1275) --> Bad inode number[0x9e35c] for '..', parent parent ino is [0x18025d66] [ASSERT] (fsck_chk_inode_blk: 866) --> ino: 0x9e403 has i_namelen: 0x6b1a3cdf, but has 7 characters for name [FIX] (fsck_chk_inode_blk: 870) --> [0x9e403] i_namelen=0x6b1a3cdf -> 0x7 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xca8ac6d6] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e53c] i_addr[26] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x70481c27] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e53c] i_addr[27] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x96343e0f] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e53c] i_addr[28] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x2c5f73c1] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e53c] i_addr[29] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x4843a092] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e53c] i_addr[286] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x22c91166] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e53c] i_addr[287] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xdb5063f7] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e53c] i_addr[288] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xce43128] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e53c] i_addr[289] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x95b73f10] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e53c] i_addr[818] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xc96716c2] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e53c] i_addr[819] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x4f3e23a3] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e53c] i_addr[820] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xc8ac8076] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e53c] i_addr[821] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x3ff28034] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5dc] i_addr[498] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xb86e79dc] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5dc] i_addr[499] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x71361046] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5dc] i_addr[500] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xd47bcde3] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5dc] i_addr[501] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xbfd42c6d] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e640] i_addr[166] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x1ce93cd5] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e640] i_addr[167] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xeefa3f4a]] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e640] i_addr[168] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x200f3d49] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e640] i_addr[169] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x82570d2e] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e640] i_addr[214] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x72d93f37] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e640] i_addr[215] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x13bdb757] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e640] i_addr[216] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x960cf5aa] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e640] i_addr[217] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xfab0eaed] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[94] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xfd229386] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[95] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x8c4e2c01] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[96] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x1451a3e9] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[97] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xb7fec026] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[174] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x5627f3a5] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[175] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xf680d8a1] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[176] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xb141bcbc] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[177] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xbc525001] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[274] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xb478c927] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[275] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xf8b92645] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[276] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x9ef2f47d] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[277] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xc326ba37] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[430] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x9d3f608d] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[431] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x5fdd2bac] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[432] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x5aa44e41] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[433] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xad6bc741] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[626] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xaead228] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[627] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xa0cf522e] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[628] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xae5023d7] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[629] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x96624f4a] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[634] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x182d3b99]] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[635] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xcd7ccf8] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[636] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xf95991d8] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e64f] i_addr[637] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x41237f1a] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e654] i_addr[46] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xd87ee4f3] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e654] i_addr[47] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x3567468c] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e654] i_addr[48] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xcc26a1d7] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e654] i_addr[49] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x20f4ac9e] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e654] i_addr[386] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x3b8d3236] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e654] i_addr[387] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x2fe93339] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e654] i_addr[388] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x28789efc] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e654] i_addr[389] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xcc821607] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e654] i_addr[522] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x30893a61] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e654] i_addr[523] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xbe2722a] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e654] i_addr[524] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x159e9e48] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e654] i_addr[525] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x78e4920f] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e654] i_addr[686] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x73389ea2] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e654] i_addr[687] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x3323b2c3] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e654] i_addr[688] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xd442f672] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e654] i_addr[689] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x2ca0f966] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e4da] i_addr[602] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xccbd063d] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e4da] i_addr[603] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x4e9ed377] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e4da] i_addr[604] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xfcfcf807] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e4da] i_addr[605] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x21aaccdb] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e522] i_addr[94] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x835bca2d] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e522] i_addr[95] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xa642be37] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e522] i_addr[96] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x500ebc2] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e522] i_addr[97] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xdb56d869]] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e54e] i_addr[686] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xc699ef86] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e54e] i_addr[687] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x8658571c] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e54e] i_addr[688] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x412c63d4] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e54e] i_addr[689] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xd863961f] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e54e] i_addr[818] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x5da14266] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e54e] i_addr[819] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xa3eb54c0] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e54e] i_addr[820] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xbe83ea55] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e54e] i_addr[821] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x38f048cf] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5d9] i_addr[42] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x1bb20aba] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5d9] i_addr[43] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x164914cd] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5d9] i_addr[44] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x18432b76] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5d9] i_addr[45] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xcfefd9c5] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e484] i_addr[366] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xd672fbb7] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e484] i_addr[367] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xa113bab3] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e484] i_addr[368] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x1af84de0] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e484] i_addr[369] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x147f77a5] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5b0] i_addr[30] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0xb8fb4384] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5b0] i_addr[31] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x7dc7364] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5b0] i_addr[32] = 0 [ASSERT] (fsck_chk_data_blk:1555) --> blkaddress is not valid. [0x20350042] [FIX] (fsck_chk_inode_blk: 788) --> [0x9e5b0] i_addr[33] = 0 Segmentation fault $ sudo fsck.f2fs -af /dev/mapper/lukssdi2 Info: Fix the reported corruption. Info: Force to fix corruption Info: Segments per section = 1 Info: Sections per zone = 1 Info: sector size = 512 Info: total sectors = 124168159 (60628 MB) Can't find a valid F2FS superblock at 0x0 Mismatch segment0(3096048428) cp_blkaddr(24874649) Can't find a valid F2FS superblock at 0x1 ***** journal: ***** Mar 27 06:22:07 neon kernel: Code: 41 f6 c1 04 75 53 4d 85 c9 74 0b 0f b6 0f 88 0a 41 f6 c1 02 75 53 42 c6 04 0a 00 c3 0f 1f 44 00 00 48 8b 0f 4c 89 c6 48 89 0a <4a> 8b 4c 0f f8 48 8d 7a 08 48 83 e7 f8 4a 89 4c 0a f8 48 89 d1 48 Mar 27 06:22:07 neon kernel: fsck.f2fs[6302]: segfault at 5564d32978f5 ip 000055651c124919 sp 00007ffd202ff9f8 error 4 in fsck.f2fs[55651c121000+1c000] ***** This kde-neon kernel version is 5.4.0, and the associated tools version is f2fs-tools-1.11.0. There hasn't been any power-outage that I'm aware of. With that segfault, I'm thinking that fs is now toast, and I need to rebuild that arch-linux partition. At least /home was on btrfs which is still accessible. While I'm at it (scrubbing btrfs), I think I'll memtest my RAM and badblocks my sd-card. On Tue, Jul 14, 2020 at 12:54 AM Jaegeuk Kim <jaeg...@kernel.org> wrote: > > On 07/13, Nathan Royce wrote: > > On Mon, Jul 13, 2020 at 7:03 PM Jaegeuk Kim <jaeg...@kernel.org> wrote: > > > > > > Hi Nathan, > > > > > > Could you try to say "N" here to move forward to fix the corrupted > > > metadata? > > > > > > Thanks, > > ***** > > Do you want to restore lost files into ./lost_found/? [Y/N] N ...