Kernel: 6.17.9-2-cachyos $ sudo mount -o degraded=very,ro /dev/sdc1 /mnt/usb/ [974739.227562] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): Using encoding defined by superblock: utf8-12.1.0 [974739.227566] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): recovering from unclean shutdown [974739.227569] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): superblock requires following recovery passes to be run: check_allocations,check_alloc_info,check_btree_backpointers,check_extents_to_backpointers,reconstruct_snapshots [974773.839078] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): journal read done, replaying entries 287799-287799 [974773.851021] bch2_btree_node_read: 1025 callbacks suppressed [974773.851023] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): btree node read error: no device to read from [974773.851025] at extents level 2/2 [974773.851025] u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq b0d6f398fefdfa5e written 144 min_key POS_MIN durability: 1 ptr: 1:12024:0 gen 2 [974773.851026] running recovery pass check_topology (2), currently at recovery_pass_empty (0) [974773.851027] running recovery pass check_topology (2), currently at recovery_pass_empty (0) [974773.851027] running recovery pass scan_for_btree_nodes (1), currently at recovery_pass_empty (0) [974773.851034] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): error reading btree root btree=extents level=2: btree_node_read_error, fixing [974773.851669] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): btree node read error: no device to read from [974773.851671] at inodes level 1/1 [974773.851671] u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 385ecfcc6843e4e6 written 320 min_key POS_MIN durability: 1 ptr: 1:11877:0 gen 5 [974773.851675] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): error reading btree root btree=inodes level=1: btree_node_read_error, fixing [974773.852786] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): btree node read error: no device to read from [974773.852788] at dirents level 1/1 [974773.852789] u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 5283f49f3ede8839 written 320 min_key POS_MIN durability: 1 ptr: 1:17163:0 gen 1 [974773.852793] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): error reading btree root btree=dirents level=1: btree_node_read_error, fixing [974773.853495] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): btree node read error: no device to read from [974773.853497] at xattrs level 1/1 [974773.853498] u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 6b4755d76ba3bd2f written 64 min_key POS_MIN durability: 1 ptr: 1:16826:0 gen 1 [974773.853502] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): error reading btree root btree=xattrs level=1: btree_node_read_error, fixing [974773.868769] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): btree node read error: no device to read from [974773.868771] at reflink level 1/1 [974773.868771] u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 2e4193295efb57a3 written 40 min_key POS_MIN durability: 1 ptr: 1:19271:512 gen 3 [974773.868775] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): error reading btree root btree=reflink level=1: btree_node_read_error, fixing [974773.869764] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): btree node read error: no device to read from [974773.869766] at subvolumes level 0/0 [974773.869766] u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq d02aead296cc2200 written 16 min_key POS_MIN durability: 1 ptr: 1:8207:512 gen 0 [974773.869770] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): error reading btree root btree=subvolumes level=0: btree_node_read_error, fixing [974773.870422] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): btree node read error: no device to read from [974773.870423] at snapshots level 0/0 [974773.870424] u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 53ef773e998d21e7 written 16 min_key POS_MIN durability: 1 ptr: 1:8207:0 gen 0 [974773.870428] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): error reading btree root btree=snapshots level=0: btree_node_read_error, fixing [974773.871163] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): btree node read error: no device to read from [974773.871164] at lru level 1/1 [974773.871165] u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq beac4d2193bf84e0 written 512 min_key POS_MIN durability: 1 ptr: 1:25101:512 gen 1 [974773.871169] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): error reading btree root btree=lru level=1: btree_node_read_error, fixing [974773.872592] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): btree node read error: no device to read from [974773.872594] at freespace level 1/1 [974773.872595] u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 14e104ea4bbad52d written 160 min_key POS_MIN durability: 1 ptr: 1:11966:0 gen 2 [974773.872598] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): error reading btree root btree=freespace level=1: btree_node_read_error, fixing [974773.873335] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): btree node read error: no device to read from [974773.873336] at need_discard level 1/1 [974773.873337] u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 5d4872089ce09e13 written 232 min_key POS_MIN durability: 1 ptr: 1:14603:0 gen 3 [974773.873342] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): error reading btree root btree=need_discard level=1: btree_node_read_error, fixing [974773.874221] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): error reading btree root btree=backpointers level=2: btree_node_read_error, fixing [974773.874222] Ratelimiting new instances of previous error [974773.878808] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): check_topology... [974773.878811] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): btree root extents unreadable, must recover from scan [974773.878815] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): running recovery pass scan_for_btree_nodes (1), currently at check_topology (2) - rewinding [974773.878817] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): bch2_check_root(): error restart_recovery [974773.878819] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): scan_for_btree_nodes... [974780.405469] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): btree node scan found 231 nodes after overwrites [974780.406511] done [974780.406513] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): check_topology... [974780.406516] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): btree root extents unreadable, must recover from scan [974781.980298] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): btree node with incorrect min_key at btree=extents level=1: [974781.980301] parent: u64s 5 type btree_ptr SPOS_MAX len 0 ver 0 [974781.980302] next: u64s 11 type btree_ptr_v2 5550:109952:U32_MAX len 0 ver 0: seq d63ceee9c4f2b65c written 248 min_key 5546:494465:0 durability: 1 ptr: 2:4164:512 gen 0, fixing [974781.981527] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): btree node with incorrect min_key at btree=extents level=1: [974781.981529] parent: u64s 5 type btree_ptr SPOS_MAX len 0 ver 0 [974781.981529] prev: u64s 11 type btree_ptr_v2 67108865:129920:U32_MAX len 0 ver 0: seq 4969b6c8fe71d26 written 440 min_key 5607:10141617:0 durability: 1 ptr: 2:10180:1024 gen 0 [974781.981530] next: u64s 11 type btree_ptr_v2 1073742626:177320:U32_MAX len 0 ver 0: seq 29ea892232f744ec written 280 min_key 1073742624:571905:0 durability: 1 ptr: 2:4097:3584 gen 0, fixing [974781.981686] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): btree node with incorrect min_key at btree=extents level=1: [974781.981687] parent: u64s 5 type btree_ptr SPOS_MAX len 0 ver 0 [974781.981688] prev: u64s 11 type btree_ptr_v2 1140850688:175840:U32_MAX len 0 ver 0: seq fd680bdc4dcc8577 written 472 min_key 1073742626:177321:0 durability: 1 ptr: 2:4097:3072 gen 0 [974781.981688] next: u64s 11 type btree_ptr_v2 2080374987:1311104:U32_MAX len 0 ver 0: seq 66dcfe7c103a3c96 written 480 min_key R 2080374789:33026177:0 durability: 1 ptr: 2:10237:1536 gen 0, fixing [974781.982284] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): btree root inodes unreadable, must recover from scan [974781.982296] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): no nodes found for btree inodes, shutting down [974781.982297] error not marked as autofix and not in fsck [974781.982297] run fsck, and forward to devs so error can be marked for self-healing [974781.982298] emergency read only at seq 287863 [974781.982299] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): bch2_check_root(): error fsck_errors_not_fixed [974781.982306] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): error in recovery: fsck_errors_not_fixed [974781.982308] bcachefs (571f8f20-54f9-41d5-9e06-d288076046bd): bch2_fs_start(): error starting filesystem fsck_errors_not_fixed [974781.992595] bcachefs: bch2_fs_get_tree() error: fsck_errors_not_fixed