> Does the sudden end means a segfault?
The sudden end means an end. The program terminated without any
further output or error indication.
> And what's the output of btrfs-debug-tree /dev/mapper/rootvol_1 -b 6210223521792?
[root@archiso ~]# btrfs-debug-tree /dev/mapper/rootvol_1 -b 6210223521792
bad key ordering 49 50
leaf 6210223521792 items 123 free space 55 generation 257371 owner 1
fs uuid 91f7e058-1142-4036-b1f7-4f64163dc8ae
chunk uuid 6abf465c-c677-4879-a4ca-d632e43e01e4
item 0 key (7302 INODE_ITEM 0) itemoff 16123 itemsize 160
inode generation 37573 transid 37573 size 262144 nbytes 1048576
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 1 key (7302 EXTENT_DATA 0) itemoff 16070 itemsize 53
extent data disk byte 7564439363584 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 2 key (7303 INODE_ITEM 0) itemoff 15910 itemsize 160
inode generation 37573 transid 37573 size 262144 nbytes 786432
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 3 key (7303 EXTENT_DATA 0) itemoff 15857 itemsize 53
extent data disk byte 7564439662592 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 4 key (7304 INODE_ITEM 0) itemoff 15697 itemsize 160
inode generation 36550 transid 36550 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 5 key (7304 EXTENT_DATA 0) itemoff 15644 itemsize 53
extent data disk byte 7517322158080 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 6 key (7305 INODE_ITEM 0) itemoff 15484 itemsize 160
inode generation 37573 transid 37573 size 262144 nbytes 524288
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 7 key (7305 EXTENT_DATA 0) itemoff 15431 itemsize 53
extent data disk byte 7564439941120 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 8 key (7306 INODE_ITEM 0) itemoff 15271 itemsize 160
inode generation 37573 transid 37573 size 262144 nbytes 786432
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 9 key (7306 EXTENT_DATA 0) itemoff 15218 itemsize 53
extent data disk byte 7564440219648 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 10 key (7307 INODE_ITEM 0) itemoff 15058 itemsize 160
inode generation 37576 transid 37576 size 262144 nbytes 1310720
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 11 key (7307 EXTENT_DATA 0) itemoff 15005 itemsize 53
extent data disk byte 7564425949184 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 12 key (7308 INODE_ITEM 0) itemoff 14845 itemsize 160
inode generation 36586 transid 36586 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 13 key (7308 EXTENT_DATA 0) itemoff 14792 itemsize 53
extent data disk byte 7355300618240 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 14 key (7309 INODE_ITEM 0) itemoff 14632 itemsize 160
inode generation 257365 transid 257365 size 262144
nbytes 11781537792
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 15 key (7309 EXTENT_DATA 0) itemoff 14579 itemsize 53
extent data disk byte 7770707218432 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 16 key (7310 INODE_ITEM 0) itemoff 14419 itemsize 160
inode generation 37590 transid 37590 size 262144 nbytes 786432
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 17 key (7310 EXTENT_DATA 0) itemoff 14366 itemsize 53
extent data disk byte 7569787527168 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 18 key (7311 INODE_ITEM 0) itemoff 14206 itemsize 160
inode generation 37591 transid 37591 size 262144 nbytes 1048576
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 19 key (7311 EXTENT_DATA 0) itemoff 14153 itemsize 53
extent data disk byte 7569797865472 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 20 key (7312 INODE_ITEM 0) itemoff 13993 itemsize 160
inode generation 36625 transid 36625 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 21 key (7312 EXTENT_DATA 0) itemoff 13940 itemsize 53
extent data disk byte 7517400543232 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 22 key (7313 INODE_ITEM 0) itemoff 13780 itemsize 160
inode generation 36634 transid 36634 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 23 key (7313 EXTENT_DATA 0) itemoff 13727 itemsize 53
extent data disk byte 7531318194176 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 24 key (7314 INODE_ITEM 0) itemoff 13567 itemsize 160
inode generation 239734 transid 239734 size 262144
nbytes 2359558144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 25 key (7314 EXTENT_DATA 0) itemoff 13514 itemsize 53
extent data disk byte 8005861564416 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 26 key (7315 INODE_ITEM 0) itemoff 13354 itemsize 160
inode generation 36652 transid 36652 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 27 key (7315 EXTENT_DATA 0) itemoff 13301 itemsize 53
extent data disk byte 4990757240832 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 28 key (7316 INODE_ITEM 0) itemoff 13141 itemsize 160
inode generation 36661 transid 36661 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 29 key (7316 EXTENT_DATA 0) itemoff 13088 itemsize 53
extent data disk byte 7066322538496 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 30 key (7317 INODE_ITEM 0) itemoff 12928 itemsize 160
inode generation 36672 transid 36672 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 31 key (7317 EXTENT_DATA 0) itemoff 12875 itemsize 53
extent data disk byte 7278922661888 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 32 key (7318 INODE_ITEM 0) itemoff 12715 itemsize 160
inode generation 36682 transid 36682 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 33 key (7318 EXTENT_DATA 0) itemoff 12662 itemsize 53
extent data disk byte 7313284538368 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 34 key (7319 INODE_ITEM 0) itemoff 12502 itemsize 160
inode generation 36692 transid 36692 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 35 key (7319 EXTENT_DATA 0) itemoff 12449 itemsize 53
extent data disk byte 7184434880512 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 36 key (7320 INODE_ITEM 0) itemoff 12289 itemsize 160
inode generation 36702 transid 36702 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 37 key (7320 EXTENT_DATA 0) itemoff 12236 itemsize 53
extent data disk byte 7518426820608 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 38 key (7321 INODE_ITEM 0) itemoff 12076 itemsize 160
inode generation 36711 transid 36711 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 39 key (7321 EXTENT_DATA 0) itemoff 12023 itemsize 53
extent data disk byte 7372338782208 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 40 key (7322 INODE_ITEM 0) itemoff 11863 itemsize 160
inode generation 36720 transid 36720 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 41 key (7322 EXTENT_DATA 0) itemoff 11810 itemsize 53
extent data disk byte 7526872854528 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 42 key (7323 INODE_ITEM 0) itemoff 11650 itemsize 160
inode generation 36729 transid 36729 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 43 key (7323 EXTENT_DATA 0) itemoff 11597 itemsize 53
extent data disk byte 4990756978688 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 44 key (7324 INODE_ITEM 0) itemoff 11437 itemsize 160
inode generation 36739 transid 36739 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 45 key (7324 EXTENT_DATA 0) itemoff 11384 itemsize 53
extent data disk byte 7520553996288 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 46 key (7325 INODE_ITEM 0) itemoff 11224 itemsize 160
inode generation 36749 transid 36749 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 47 key (7325 EXTENT_DATA 0) itemoff 11171 itemsize 53
extent data disk byte 7531508781056 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 48 key (7326 INODE_ITEM 0) itemoff 11011 itemsize 160
inode generation 251050 transid 251050 size 262144
nbytes 8435793920
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 49 key (7326 EXTENT_DATA 0) itemoff 10958 itemsize 53
extent data disk byte 7747063099392 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 50 key (7327 INODE_ITEM 0) itemoff 10798 itemsize 160
inode generation 36767 transid 36767 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 51 key (7327 EXTENT_DATA 0) itemoff 10745 itemsize 53
extent data disk byte 7517323468800 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 52 key (7328 INODE_ITEM 0) itemoff 10585 itemsize 160
inode generation 36777 transid 36777 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 53 key (7328 EXTENT_DATA 0) itemoff 10532 itemsize 53
extent data disk byte 7529166970880 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 54 key (7329 INODE_ITEM 0) itemoff 10372 itemsize 160
inode generation 40097 transid 40097 size 262144 nbytes 82313216
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 55 key (7329 EXTENT_DATA 0) itemoff 10319 itemsize 53
extent data disk byte 7370190655488 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 56 key (3234 INODE_ITEM 0) itemoff 10159 itemsize 160
inode generation 36795 transid 36795 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 57 key (7346 EXTENT_DATA 0) itemoff 10106 itemsize 53
extent data disk byte 7521490550784 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 58 key (7331 INODE_ITEM 0) itemoff 9946 itemsize 160
inode generation 36804 transid 36804 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 59 key (7331 EXTENT_DATA 0) itemoff 9893 itemsize 53
extent data disk byte 7526874955776 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 60 key (7332 INODE_ITEM 0) itemoff 9733 itemsize 160
inode generation 257363 transid 257363 size 262144
nbytes 13501202432
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 61 key (7332 EXTENT_DATA 0) itemoff 9680 itemsize 53
extent data disk byte 7747053572096 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 62 key (7333 INODE_ITEM 0) itemoff 9520 itemsize 160
inode generation 257371 transid 257371 size 262144
nbytes 16589520896
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 63 key (7333 EXTENT_DATA 0) itemoff 9467 itemsize 53
extent data disk byte 7775023665152 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 64 key (7334 INODE_ITEM 0) itemoff 9307 itemsize 160
inode generation 239755 transid 239755 size 262144
nbytes 13442482176
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 65 key (7334 EXTENT_DATA 0) itemoff 9254 itemsize 53
extent data disk byte 7896225873920 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 66 key (7335 INODE_ITEM 0) itemoff 9094 itemsize 160
inode generation 239755 transid 239755 size 262144
nbytes 1324613632
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 67 key (7335 EXTENT_DATA 0) itemoff 9041 itemsize 53
extent data disk byte 7896226185216 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 68 key (7336 INODE_ITEM 0) itemoff 8881 itemsize 160
inode generation 240953 transid 240953 size 262144
nbytes 3632529408
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 69 key (7336 EXTENT_DATA 0) itemoff 8828 itemsize 53
extent data disk byte 5919597350912 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 70 key (7337 INODE_ITEM 0) itemoff 8668 itemsize 160
inode generation 243010 transid 243010 size 262144
nbytes 2379481088
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 71 key (7337 EXTENT_DATA 0) itemoff 8615 itemsize 53
extent data disk byte 5918852136960 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 72 key (7338 INODE_ITEM 0) itemoff 8455 itemsize 160
inode generation 79477 transid 79477 size 262144 nbytes 24117248
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 73 key (7338 EXTENT_DATA 0) itemoff 8402 itemsize 53
extent data disk byte 7715922624512 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 74 key (7339 INODE_ITEM 0) itemoff 8242 itemsize 160
inode generation 81958 transid 81958 size 262144 nbytes 78381056
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 75 key (7339 EXTENT_DATA 0) itemoff 8189 itemsize 53
extent data disk byte 7721189564416 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 76 key (7340 INODE_ITEM 0) itemoff 8029 itemsize 160
inode generation 83591 transid 83591 size 262144
nbytes 165150720
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 77 key (7340 EXTENT_DATA 0) itemoff 7976 itemsize 53
extent data disk byte 7744960389120 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 78 key (7341 INODE_ITEM 0) itemoff 7816 itemsize 160
inode generation 47076 transid 47076 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 79 key (7341 EXTENT_DATA 0) itemoff 7763 itemsize 53
extent data disk byte 7518415810560 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 80 key (7342 INODE_ITEM 0) itemoff 7603 itemsize 160
inode generation 47085 transid 47085 size 262144 nbytes 1048576
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 81 key (7342 EXTENT_DATA 0) itemoff 7550 itemsize 53
extent data disk byte 7532088664064 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 82 key (7343 INODE_ITEM 0) itemoff 7390 itemsize 160
inode generation 47077 transid 47077 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 83 key (7343 EXTENT_DATA 0) itemoff 7337 itemsize 53
extent data disk byte 7517316259840 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 84 key (7344 INODE_ITEM 0) itemoff 7177 itemsize 160
inode generation 47196 transid 47196 size 262144 nbytes 22282240
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 85 key (7344 EXTENT_DATA 0) itemoff 7124 itemsize 53
extent data disk byte 6878509641728 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 86 key (7345 INODE_ITEM 0) itemoff 6964 itemsize 160
inode generation 47078 transid 47078 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 87 key (7345 EXTENT_DATA 0) itemoff 6911 itemsize 53
extent data disk byte 7517369085952 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 88 key (7346 INODE_ITEM 0) itemoff 6751 itemsize 160
inode generation 47235 transid 47235 size 262144 nbytes 23592960
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 89 key (7346 EXTENT_DATA 0) itemoff 6698 itemsize 53
extent data disk byte 6878511214592 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 90 key (7347 INODE_ITEM 0) itemoff 6538 itemsize 160
inode generation 47078 transid 47078 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 91 key (7347 EXTENT_DATA 0) itemoff 6485 itemsize 53
extent data disk byte 7520553472000 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 92 key (7348 INODE_ITEM 0) itemoff 6325 itemsize 160
inode generation 47228 transid 47228 size 262144 nbytes 22020096
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 93 key (7348 EXTENT_DATA 0) itemoff 6272 itemsize 53
extent data disk byte 6878522159104 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 94 key (7349 INODE_ITEM 0) itemoff 6112 itemsize 160
inode generation 47078 transid 47078 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 95 key (7349 EXTENT_DATA 0) itemoff 6059 itemsize 53
extent data disk byte 7531921424384 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 96 key (7350 INODE_ITEM 0) itemoff 5899 itemsize 160
inode generation 47181 transid 47181 size 262144 nbytes 13631488
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 97 key (7350 EXTENT_DATA 0) itemoff 5846 itemsize 53
extent data disk byte 6878515281920 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 98 key (7351 INODE_ITEM 0) itemoff 5686 itemsize 160
inode generation 47078 transid 47078 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 99 key (7351 EXTENT_DATA 0) itemoff 5633 itemsize 53
extent data disk byte 7538744426496 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 100 key (7352 INODE_ITEM 0) itemoff 5473 itemsize 160
inode generation 47183 transid 47183 size 262144 nbytes 11796480
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 101 key (7352 EXTENT_DATA 0) itemoff 5420 itemsize 53
extent data disk byte 6878518218752 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 102 key (7353 INODE_ITEM 0) itemoff 5260 itemsize 160
inode generation 47078 transid 47078 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 103 key (7353 EXTENT_DATA 0) itemoff 5207 itemsize 53
extent data disk byte 7540909154304 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 104 key (7354 INODE_ITEM 0) itemoff 5047 itemsize 160
inode generation 47196 transid 47196 size 262144 nbytes 15466496
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 105 key (7354 EXTENT_DATA 0) itemoff 4994 itemsize 53
extent data disk byte 6878513303552 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 106 key (7355 INODE_ITEM 0) itemoff 4834 itemsize 160
inode generation 47078 transid 47078 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 107 key (7355 EXTENT_DATA 0) itemoff 4781 itemsize 53
extent data disk byte 7564487045120 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 108 key (7356 INODE_ITEM 0) itemoff 4621 itemsize 160
inode generation 47210 transid 47210 size 262144 nbytes 19660800
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 109 key (7356 EXTENT_DATA 0) itemoff 4568 itemsize 53
extent data disk byte 6878541139968 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 110 key (7357 INODE_ITEM 0) itemoff 4408 itemsize 160
inode generation 47079 transid 47079 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 111 key (7357 EXTENT_DATA 0) itemoff 4355 itemsize 53
extent data disk byte 7538756612096 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 112 key (7358 INODE_ITEM 0) itemoff 4195 itemsize 160
inode generation 47079 transid 47079 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 113 key (7358 EXTENT_DATA 0) itemoff 4142 itemsize 53
extent data disk byte 7582721437696 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 114 key (7359 INODE_ITEM 0) itemoff 3982 itemsize 160
inode generation 82232 transid 82232 size 262144 nbytes 44564480
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 115 key (7359 EXTENT_DATA 0) itemoff 3929 itemsize 53
extent data disk byte 7724558057472 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 116 key (7360 INODE_ITEM 0) itemoff 3769 itemsize 160
inode generation 47080 transid 47080 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 117 key (7360 EXTENT_DATA 0) itemoff 3716 itemsize 53
extent data disk byte 4658994225152 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 118 key (7361 INODE_ITEM 0) itemoff 3556 itemsize 160
inode generation 47080 transid 47080 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 119 key (7361 EXTENT_DATA 0) itemoff 3503 itemsize 53
extent data disk byte 6905566703616 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 120 key (7362 INODE_ITEM 0) itemoff 3343 itemsize 160
inode generation 79539 transid 79539 size 262144 nbytes 38535168
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
item 121 key (7362 EXTENT_DATA 0) itemoff 3290 itemsize 53
extent data disk byte 7720056217600 nr 262144
extent data offset 0 nr 262144 ram 262144
extent compression 0
item 122 key (7363 INODE_ITEM 0) itemoff 3130 itemsize 160
inode generation 47080 transid 47080 size 262144 nbytes 262144
block group 0 mode 100600 links 1 uid 0 gid 0
rdev 0 flags 0x1b
> If btrfs-debug-tree can still output things like below, and the leaf's owner is still 2, I'd recommend to run btrfsck --init-extent-tree, which should has a good chance to fix it.
> Although even in that case, I'm not 100% sure if it will work, or do more damage...
Would it be a sensible precaution to unplug one disk and attempt
recovery on a single one? If I understand correctly, all the data
should be available on either. This disk is quite significant to me,
and the other option is restoring from a week-old backup; annoying, if
not fatal.
For the record, I've also already bought new disks and will be
operating with those going forward, so a transfer of data will be
necessary in any case. (There was the possibility of hardware damage
from a flood a little while ago, and even if this is unrelated, I'm
paranoid about this volume.)
On Thu, Jan 7, 2016 at 6:48 PM, Qu Wenruo <quwenruo@xxxxxxxxxxxxxx> wrote:
>
>
> Tom Hunt wrote on 2016/01/07 18:43 -0700:
>>
>> I had done this already, but somehow forgot to include it. (Internet
>> suggests 'btrfs check' is synonym for 'btrfsck'; if this is not the
>> case, please advise.)
>>
>> [root@archiso ~]# btrfs check /dev/mapper/rootvol_1
>> bad key ordering 49 50
>> Checking filesystem on /dev/mapper/rootvol_1
>> UUID: 91f7e058-1142-4036-b1f7-4f64163dc8ae
>> checking extents
>> bad key ordering 55 56
>> bad block 6210223521792
>> Errors found in extent allocation tree or chunk allocation
>> bad key ordering 55 56
>
>
> Does the sudden end means a segfault?
>
>>
>> And the other:
>>
>> [root@archiso ~]# btrfs-debug-tree /dev/mapper/rootvol_1 -b 6210228551680
>> bad key ordering 49 50
>> leaf 6210228551680 items 195 free space 244 generation 257371 owner 2
>
>
> That's extent tree, not a big problem as the whole extent tree can be easily
> rebuilt.
>
> And what's the output of btrfs-debug-tree /dev/mapper/rootvol_1 -b
> 6210223521792?
>
> If btrfs-debug-tree can still output things like below, and the leaf's owner
> is still 2, I'd recommend to run btrfsck --init-extent-tree, which should
> has a good chance to fix it.
>
> Although even in that case, I'm not 100% sure if it will work, or do more
> damage...
>
> Thanks,
> Qu
>
>
>> fs uuid 91f7e058-1142-4036-b1f7-4f64163dc8ae
>> chunk uuid 6abf465c-c677-4879-a4ca-d632e43e01e4
>> item 0 key (7777093095424 EXTENT_ITEM 4096) itemoff 16217
>> itemsize 66
>> extent refs 2 gen 96498 flags DATA
>> extent data backref root 258 objectid 1319842 offset
>> 16289792 count 1
>> shared data backref parent 7588669325312 count 1
>> item 1 key (7777093099520 EXTENT_ITEM 4096) itemoff 16151
>> itemsize 66
>> extent refs 2 gen 96498 flags DATA
>> extent data backref root 258 objectid 1319842 offset
>> 20484096 count 1
>> shared data backref parent 7588669325312 count 1
>> item 2 key (7777093103616 EXTENT_ITEM 4096) itemoff 16085
>> itemsize 66
>> extent refs 2 gen 96498 flags DATA
>> extent data backref root 258 objectid 1319842 offset
>> 22581248 count 1
>> shared data backref parent 7588669325312 count 1
>> item 3 key (7777093107712 EXTENT_ITEM 4096) itemoff 16019
>> itemsize 66
>> extent refs 2 gen 96501 flags DATA
>> extent data backref root 258 objectid 1319842 offset
>> 56135680 count 1
>> shared data backref parent 7343916351488 count 1
>> item 4 key (7777093111808 EXTENT_ITEM 4096) itemoff 15953
>> itemsize 66
>> extent refs 2 gen 96501 flags DATA
>> extent data backref root 258 objectid 1319842 offset
>> 58232832 count 1
>> shared data backref parent 7343916351488 count 1
>> item 5 key (7777093115904 EXTENT_ITEM 4096) itemoff 15887
>> itemsize 66
>> extent refs 2 gen 96511 flags DATA
>> extent data backref root 258 objectid 1319842 offset
>> 35164160 count 1
>> shared data backref parent 7588669325312 count 1
>> item 6 key (7777093120000 EXTENT_ITEM 4096) itemoff 15821
>> itemsize 66
>> extent refs 2 gen 96511 flags DATA
>> extent data backref root 258 objectid 1319842 offset
>> 37261312 count 1
>> shared data backref parent 7588669325312 count 1
>> item 7 key (7777093124096 EXTENT_ITEM 4096) itemoff 15755
>> itemsize 66
>> extent refs 2 gen 96521 flags DATA
>> extent data backref root 258 objectid 1319842 offset
>> 45649920 count 1
>> shared data backref parent 7343916351488 count 1
>> item 8 key (7777093128192 EXTENT_ITEM 4096) itemoff 15689
>> itemsize 66
>> extent refs 2 gen 96521 flags DATA
>> extent data backref root 258 objectid 1319842 offset
>> 47747072 count 1
>> shared data backref parent 7343916351488 count 1
>> item 9 key (7777093132288 EXTENT_ITEM 4096) itemoff 15636
>> itemsize 53
>> extent refs 1 gen 128816 flags DATA
>> extent data backref root 258 objectid 1747043 offset
>> 208896 count 1
>> item 10 key (7777093136384 EXTENT_ITEM 4096) itemoff 15583
>> itemsize 53
>> extent refs 1 gen 128816 flags DATA
>> extent data backref root 258 objectid 1747043 offset
>> 1191936 count 1
>> item 11 key (7777093140480 EXTENT_ITEM 4096) itemoff 15530
>> itemsize 53
>> extent refs 1 gen 128816 flags DATA
>> extent data backref root 258 objectid 1747043 offset
>> 1896448 count 1
>> item 12 key (7777093144576 EXTENT_ITEM 4096) itemoff 15477
>> itemsize 53
>> extent refs 1 gen 128824 flags DATA
>> extent data backref root 258 objectid 1746670 offset
>> 3141632 count 1
>> item 13 key (7777093148672 EXTENT_ITEM 4096) itemoff 15424
>> itemsize 53
>> extent refs 1 gen 128824 flags DATA
>> extent data backref root 258 objectid 1746670 offset
>> 7335936 count 1
>> item 14 key (7777093152768 EXTENT_ITEM 4096) itemoff 15371
>> itemsize 53
>> extent refs 1 gen 128827 flags DATA
>> extent data backref root 258 objectid 1746598 offset
>> 2142208 count 1
>> item 15 key (7777093156864 EXTENT_ITEM 4096) itemoff 15318
>> itemsize 53
>> extent refs 1 gen 128827 flags DATA
>> extent data backref root 258 objectid 1746598 offset
>> 6336512 count 1
>> item 16 key (7777093160960 EXTENT_ITEM 1167360) itemoff 15265
>> itemsize 53
>> extent refs 1 gen 148358 flags DATA
>> extent data backref root 258 objectid 800697 offset
>> 219987968 count 1
>> item 17 key (7777094328320 EXTENT_ITEM 4096) itemoff 15212
>> itemsize 53
>> extent refs 1 gen 152899 flags DATA
>> extent data backref root 258 objectid 2111468 offset
>> 909312 count 1
>> item 18 key (7777094332416 EXTENT_ITEM 20480) itemoff 15159
>> itemsize 53
>> extent refs 1 gen 185891 flags DATA
>> extent data backref root 7565 objectid 135103 offset 0
>> count 1
>> item 19 key (7777094356992 EXTENT_ITEM 18608128) itemoff 15106
>> itemsize 53
>> extent refs 1 gen 93646 flags DATA
>> extent data backref root 257 objectid 1798430 offset 0
>> count 1
>> item 20 key (7777112965120 EXTENT_ITEM 2465792) itemoff 15053
>> itemsize 53
>> extent refs 1 gen 93647 flags DATA
>> extent data backref root 257 objectid 1798304 offset 0
>> count 1
>> item 21 key (7777115430912 EXTENT_ITEM 2441216) itemoff 15000
>> itemsize 53
>> extent refs 1 gen 93647 flags DATA
>> extent data backref root 257 objectid 1798413 offset 0
>> count 1
>> item 22 key (7777117872128 EXTENT_ITEM 2617344) itemoff 14947
>> itemsize 53
>> extent refs 1 gen 93647 flags DATA
>> extent data backref root 257 objectid 1798416 offset 0
>> count 1
>> item 23 key (7777120489472 EXTENT_ITEM 2592768) itemoff 14894
>> itemsize 53
>> extent refs 1 gen 93647 flags DATA
>> extent data backref root 257 objectid 1798419 offset 0
>> count 1
>> item 24 key (7777123082240 EXTENT_ITEM 2355200) itemoff 14841
>> itemsize 53
>> extent refs 1 gen 93647 flags DATA
>> extent data backref root 257 objectid 1798422 offset 0
>> count 1
>> item 25 key (7777125437440 EXTENT_ITEM 2469888) itemoff 14788
>> itemsize 53
>> extent refs 1 gen 93647 flags DATA
>> extent data backref root 257 objectid 1798425 offset 0
>> count 1
>> item 26 key (7777127907328 EXTENT_ITEM 2646016) itemoff 14735
>> itemsize 53
>> extent refs 1 gen 93647 flags DATA
>> extent data backref root 257 objectid 1798428 offset 0
>> count 1
>> item 27 key (7777130553344 EXTENT_ITEM 2461696) itemoff 14682
>> itemsize 53
>> extent refs 1 gen 93647 flags DATA
>> extent data backref root 257 objectid 1798446 offset 0
>> count 1
>> item 28 key (7777133015040 EXTENT_ITEM 2637824) itemoff 14629
>> itemsize 53
>> extent refs 1 gen 93647 flags DATA
>> extent data backref root 257 objectid 1798449 offset 0
>> count 1
>> item 29 key (7777135652864 EXTENT_ITEM 2609152) itemoff 14576
>> itemsize 53
>> extent refs 1 gen 93647 flags DATA
>> extent data backref root 257 objectid 1798452 offset 0
>> count 1
>> item 30 key (7777138262016 EXTENT_ITEM 2375680) itemoff 14523
>> itemsize 53
>> extent refs 1 gen 93647 flags DATA
>> extent data backref root 257 objectid 1798455 offset 0
>> count 1
>> item 31 key (7777140637696 EXTENT_ITEM 2490368) itemoff 14470
>> itemsize 53
>> extent refs 1 gen 93647 flags DATA
>> extent data backref root 257 objectid 1798458 offset 0
>> count 1
>> item 32 key (7777143128064 EXTENT_ITEM 2666496) itemoff 14417
>> itemsize 53
>> extent refs 1 gen 93647 flags DATA
>> extent data backref root 257 objectid 1798461 offset 0
>> count 1
>> item 33 key (7777145794560 EXTENT_ITEM 348160) itemoff 14364
>> itemsize 53
>> extent refs 1 gen 148361 flags DATA
>> extent data backref root 258 objectid 800697 offset
>> 221151232 count 1
>> item 34 key (7777146142720 EXTENT_ITEM 913408) itemoff 14311
>> itemsize 53
>> extent refs 1 gen 152889 flags DATA
>> extent data backref root 258 objectid 2111468 offset 0
>> count 1
>> item 35 key (7777147056128 EXTENT_ITEM 32768) itemoff 14258
>> itemsize 53
>> extent refs 1 gen 185891 flags DATA
>> extent data backref root 7565 objectid 135085 offset 0
>> count 1
>> item 36 key (7777147088896 EXTENT_ITEM 12288) itemoff 14205
>> itemsize 53
>> extent refs 1 gen 185891 flags DATA
>> extent data backref root 7565 objectid 135105 offset 0
>> count 1
>> item 37 key (7777147105280 EXTENT_ITEM 10260480) itemoff 14152
>> itemsize 53
>> extent refs 3 gen 128803 flags DATA
>> extent data backref root 258 objectid 1746598 offset 0
>> count 3
>> item 38 key (7777157365760 EXTENT_ITEM 4096) itemoff 14099
>> itemsize 53
>> extent refs 1 gen 257306 flags DATA
>> extent data backref root 258 objectid 839874 offset
>> 1716224 count 1
>> item 39 key (7777157369856 EXTENT_ITEM 262144) itemoff 14046
>> itemsize 53
>> extent refs 1 gen 239739 flags DATA
>> extent data backref root 1 objectid 4315 offset 0 count 1
>> item 40 key (7777157632000 EXTENT_ITEM 4096) itemoff 13993
>> itemsize 53
>> extent refs 1 gen 257306 flags DATA
>> extent data backref root 258 objectid 839874 offset
>> 1724416 count 1
>> item 41 key (7777157636096 EXTENT_ITEM 28672) itemoff 13940
>> itemsize 53
>> extent refs 1 gen 239755 flags DATA
>> extent data backref root 7565 objectid 218350 offset 0
>> count 1
>> item 42 key (7777157672960 EXTENT_ITEM 262144) itemoff 13887
>> itemsize 53
>> extent refs 1 gen 251770 flags DATA
>> extent data backref root 1 objectid 7446 offset 0 count 1
>> item 43 key (7777157947392 EXTENT_ITEM 12288) itemoff 13834
>> itemsize 53
>> extent refs 1 gen 257266 flags DATA
>> extent data backref root 258 objectid 839874 offset
>> 1716224 count 1
>> item 44 key (7777157963776 EXTENT_ITEM 204800) itemoff 13781
>> itemsize 53
>> extent refs 1 gen 239712 flags DATA
>> extent data backref root 7565 objectid 151704 offset 0
>> count 1
>> item 45 key (7777158168576 EXTENT_ITEM 8192) itemoff 13728
>> itemsize 53
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>> extent data backref root 7565 objectid 218364 offset 0
>> count 1
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>> itemsize 53
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>> extent data backref root 7565 objectid 158076 offset 0
>> count 1
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>> itemsize 53
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>> extent data backref root 7565 objectid 158077 offset 0
>> count 1
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>> itemsize 53
>> extent refs 1 gen 250487 flags DATA
>> extent data backref root 1 objectid 7042 offset 0 count 1
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>> itemsize 53
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>> itemsize 53
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>> itemsize 53
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>> itemsize 53
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>> extent data backref root 7565 objectid 158082 offset 0
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>> item 53 key (7777159618560 EXTENT_ITEM 20480) itemoff 13304
>> itemsize 53
>> extent refs 1 gen 253796 flags DATA
>> extent data backref root 258 objectid 839874 offset
>> 1708032 count 1
>> item 54 key (7777159770112 EXTENT_ITEM 53248) itemoff 13251
>> itemsize 53
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>> extent data backref root 7565 objectid 180984 offset 0
>> count 1
>> item 55 key (7777159823360 EXTENT_ITEM 28672) itemoff 13198
>> itemsize 53
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>> extent data backref root 7565 objectid 181027 offset 0
>> count 1
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>> itemsize 53
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>> extent data backref root 7565 objectid 181029 offset 0
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>> itemsize 53
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>> extent data backref root 7565 objectid 181418 offset 0
>> count 1
>> item 58 key (7777159880704 EXTENT_ITEM 12288) itemoff 13039
>> itemsize 53
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>> extent data backref root 7565 objectid 158079 offset 0
>> count 1
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>> itemsize 53
>> extent refs 1 gen 152898 flags DATA
>> extent data backref root 258 objectid 2111468 offset
>> 913408 count 1
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>> itemsize 53
>> extent refs 1 gen 239734 flags DATA
>> extent data backref root 7565 objectid 158085 offset 0
>> count 1
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>> itemsize 53
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>> extent data backref root 7565 objectid 158081 offset 0
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>> itemsize 53
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>> count 1
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>> itemsize 53
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>> extent data backref root 7565 objectid 158084 offset 0
>> count 1
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>> itemsize 53
>> extent refs 1 gen 239734 flags DATA
>> extent data backref root 7565 objectid 158086 offset 0
>> count 1
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>> itemsize 53
>> extent refs 1 gen 191200 flags DATA
>> extent data backref root 258 objectid 839874 offset
>> 1728512 count 1
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>> itemsize 53
>> extent refs 1 gen 239734 flags DATA
>> extent data backref root 7565 objectid 158088 offset 0
>> count 1
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>> itemsize 53
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>> itemsize 53
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>> itemsize 53
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>> extent data backref root 7565 objectid 158101 offset 0
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>> extent data backref root 7565 objectid 135098 offset 0
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>> extent data backref root 258 objectid 1746670 offset 0
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>> item 75 key (7777169276928 EXTENT_ITEM 5619712) itemoff 12138
>> itemsize 53
>> extent refs 4 gen 128815 flags DATA
>> extent data backref root 258 objectid 1747043 offset 0
>> count 4
>> item 76 key (7777174896640 EXTENT_ITEM 49152) itemoff 12085
>> itemsize 53
>> extent refs 1 gen 185891 flags DATA
>> extent data backref root 7565 objectid 135087 offset 0
>> count 1
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>> extent refs 4 gen 86553 flags DATA
>> extent data backref root 258 objectid 1257818 offset 0
>> count 2
>> shared data backref parent 3804574728192 count 2
>> item 78 key (7777174945792 BLOCK_GROUP_ITEM 1073741824)
>> itemoff 11995 itemsize 24
>> block group used 1073135616 chunk_objectid 256 flags
>> DATA|RAID1
>> item 79 key (7777443381248 EXTENT_ITEM 211255296) itemoff
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>> extent data backref root 258 objectid 1257818 offset
>> 268435456 count 1
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>> extent data backref root 258 objectid 1257819 offset 0
>> count 101
>> shared data backref parent 3804574728192 count 46
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>> 11797 itemsize 66
>> extent refs 167 gen 86553 flags DATA
>> extent data backref root 258 objectid 1257819 offset
>> 268435456 count 96
>> shared data backref parent 5253034229760 count 71
>> item 82 key (7778134081536 EXTENT_ITEM 4096) itemoff 11731
>> itemsize 66
>> extent refs 2 gen 86555 flags DATA
>> extent data backref root 258 objectid 1257819 offset
>> 341114880 count 1
>> shared data backref parent 5253034229760 count 1
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>> itemsize 66
>> extent refs 2 gen 86557 flags DATA
>> extent data backref root 258 objectid 1257819 offset
>> 402767872 count 1
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>> item 84 key (7778134089728 EXTENT_ITEM 4096) itemoff 11599
>> itemsize 66
>> extent refs 2 gen 86560 flags DATA
>> extent data backref root 258 objectid 1257819 offset
>> 13631488 count 1
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>> item 85 key (7778134093824 EXTENT_ITEM 4096) itemoff 11533
>> itemsize 66
>> extent refs 2 gen 86560 flags DATA
>> extent data backref root 258 objectid 1257819 offset
>> 13975552 count 1
>> shared data backref parent 3804574728192 count 1
>> item 86 key (7778134097920 EXTENT_ITEM 4096) itemoff 11467
>> itemsize 66
>> extent refs 2 gen 86560 flags DATA
>> extent data backref root 258 objectid 1257819 offset
>> 16236544 count 1
>> shared data backref parent 3804574728192 count 1
>> item 87 key (7778134102016 EXTENT_ITEM 4096) itemoff 11401
>> itemsize 66
>> extent refs 2 gen 86560 flags DATA
>> extent data backref root 258 objectid 1257819 offset
>> 16351232 count 1
>> shared data backref parent 3804574728192 count 1
>> item 88 key (7778134106112 EXTENT_ITEM 4096) itemoff 11335
>> itemsize 66
>> extent refs 2 gen 86564 flags DATA
>> extent data backref root 258 objectid 1257819 offset
>> 406962176 count 1
>> shared data backref parent 5253034229760 count 1
>> item 89 key (7778134110208 EXTENT_ITEM 4096) itemoff 11269
>> itemsize 66
>> extent refs 2 gen 86565 flags DATA
>> extent data backref root 258 objectid 1257819 offset
>> 46923776 count 1
>> shared data backref parent 3804574728192 count 1
>> item 90 key (7778134114304 EXTENT_ITEM 4096) itemoff 11203
>> itemsize 66
>> extent refs 2 gen 86565 flags DATA
>> extent data backref root 258 objectid 1257819 offset
>> 47644672 count 1
>> shared data backref parent 3804574728192 count 1
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>> itemsize 66
>> extent refs 2 gen 86565 flags DATA
>> extent data backref root 258 objectid 1257819 offset
>> 49020928 count 1
>> shared data backref parent 3804574728192 count 1
>> item 92 key (7778134122496 EXTENT_ITEM 4096) itemoff 11071
>> itemsize 66
>> extent refs 2 gen 86565 flags DATA
>> extent data backref root 258 objectid 1257819 offset
>> 49037312 count 1
>> shared data backref parent 3804574728192 count 1
>> item 93 key (7778134126592 EXTENT_ITEM 4096) itemoff 11018
>> itemsize 53
>> extent refs 1 gen 86565 flags DATA
>> extent data backref root 258 objectid 1257819 offset
>> 180797440 count 1
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>> itemsize 53
>> extent refs 1 gen 86565 flags DATA
>> extent data backref root 258 objectid 1257819 offset
>> 182140928 count 1
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>> itemsize 53
>> extent refs 1 gen 86565 flags DATA
>> extent data backref root 258 objectid 1257819 offset
>> 182222848 count 1
>> item 96 key (7778134138880 EXTENT_ITEM 4096) itemoff 10859
>> itemsize 53
>> extent refs 1 gen 86565 flags DATA
>> extent data backref root 258 objectid 1257819 offset
>> 201441280 count 1
>> item 97 key (7778134142976 EXTENT_ITEM 4096) itemoff 10806
>> itemsize 53
>> extent refs 1 gen 86565 flags DATA
>> extent data backref root 258 objectid 1257819 offset
>> 205635584 count 1
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>> itemsize 53
>> extent refs 1 gen 86565 flags DATA
>> extent data backref root 258 objectid 1257819 offset
>> 209829888 count 1
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>> extent data backref root 258 objectid 1257819 offset
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>> itemsize 53
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>> extent data backref root 258 objectid 1257819 offset
>> 212451328 count 1
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>> extent data backref root 258 objectid 1257819 offset
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>> extent data backref root 258 objectid 1257819 offset
>> 213712896 count 1
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>> extent data backref root 258 objectid 1257819 offset
>> 176275456 count 1
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>> extent data backref root 258 objectid 1257819 offset
>> 180469760 count 1
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>> extent data backref root 258 objectid 1257819 offset
>> 365379584 count 1
>> shared data backref parent 5253034229760 count 1
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>> itemsize 66
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>> extent data backref root 258 objectid 1257819 offset
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>> itemsize 66
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>> extent data backref root 258 objectid 1257819 offset
>> 12697600 count 1
>> shared data backref parent 3804574728192 count 1
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>> itemsize 53
>> extent refs 1 gen 86572 flags DATA
>> extent data backref root 258 objectid 1257819 offset
>> 151109632 count 1
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>> itemsize 53
>> extent refs 1 gen 86572 flags DATA
>> extent data backref root 258 objectid 1257819 offset
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>> extent data backref root 258 objectid 1257819 offset
>> 148488192 count 1
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>> extent data backref root 258 objectid 1257819 offset
>> 148635648 count 1
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>>
>> On Wed, Jan 6, 2016 at 11:02 PM, Qu Wenruo <quwenruo@xxxxxxxxxxxxxx>
>> wrote:
>>>
>>> Did you tried btrfsck without --repair?
>>>
>>> And would you please paste the output of the following command?
>>>
>>> # btrfs-debug-tree <YOUR_DEVICE> -b 6210228551680
>>>
>>> Thanks,
>>> Qu
>>>
>>>
>>> Tom Hunt wrote on 2016/01/06 22:16 -0700:
>>>>
>>>>
>>>> Some things I missed:
>>>>
>>>> [root@archiso ~]# uname -a
>>>> Linux archiso 4.2.5-1-ARCH #1 SMP PREEMPT Tue Oct 27 08:13:28 CET 2015
>>>> x86_64 GNU/Linux
>>>> [root@archiso ~]# btrfs --version
>>>> btrfs-progs v4.3.1
>>>> [root@archiso ~]# btrfs fi show
>>>> Label: none uuid: 91f7e058-1142-4036-b1f7-4f64163dc8ae
>>>> Total devices 2 FS bytes used 3.84TiB
>>>> devid 1 size 5.45TiB used 3.86TiB path
>>>> /dev/mapper/rootvol_1
>>>> devid 2 size 5.45TiB used 3.86TiB path
>>>> /dev/mapper/rootvol_2
>>>>
>>>>
>>>> This is a liveUSB, but the machine that was running was also an
>>>> up-to-date
>>>> Arch.
>>>>
>>>> On Wed, Jan 6, 2016 at 9:02 PM, Tom Hunt <tomdicksonhunt@xxxxxxxxx>
>>>> wrote:
>>>>>
>>>>>
>>>>> I've got a two-disk RAID1 btrfs volume, which crashed for no apparent
>>>>> reason and was corrupt on next boot. Relevant command runs and
>>>>> outputs:
>>>>>
>>>>> [root@archiso ~]# mount -osubvol=.,ro,recovery /dev/mapper/rootvol_1
>>>>> mnt
>>>>> mount: wrong fs type, bad option, bad superblock on
>>>>> /dev/mapper/rootvol_1,
>>>>> missing codepage or helper program, or other error
>>>>>
>>>>> In some cases useful info is found in syslog - try
>>>>> dmesg | tail or so.
>>>>> [ 372.665800] Btrfs loaded
>>>>> [ 372.666481] BTRFS: device fsid 91f7e058-1142-4036-b1f7-4f64163dc8ae
>>>>> devid 1 transid 257371 /dev/dm-4
>>>>> [ 389.339860] BTRFS: device fsid 91f7e058-1142-4036-b1f7-4f64163dc8ae
>>>>> devid 2 transid 257371 /dev/dm-5
>>>>> [ 781.695931] BTRFS info (device dm-5): enabling auto recovery
>>>>> [ 781.695933] BTRFS info (device dm-5): disk space caching is enabled
>>>>> [ 781.695934] BTRFS: has skinny extents
>>>>> [ 781.776198] BTRFS: bdev /dev/mapper/rootvol_2 errs: wr 0, rd 0,
>>>>> flush 0, corrupt 10, gen 426
>>>>> [ 791.982552] BTRFS critical (device dm-5): corrupt leaf, bad key
>>>>> order: block=6210228551680,root=1, slot=49
>>>>> [ 791.982836] BTRFS critical (device dm-5): corrupt leaf, bad key
>>>>> order: block=6210228551680,root=1, slot=49
>>>>> [ 791.982862] BTRFS: Failed to read block groups: -5
>>>>> [ 792.030513] BTRFS: open_ctree failed
>>>>>
>>>>> [root@archiso ~]# btrfs restore -D /dev/mapper/rootvol_1
>>>>> /root/tmp_data | tee data_mnt/tom/restore_list.txt
>>>>> bad key ordering 49 50
>>>>> Error searching -1
>>>>> Error searching /root/tmp_data/home
>>>>> This is a dry-run, no files are going to be restored
>>>>> We have looped trying to restore files in
>>>>> /exherbo/root/squashfs-root/usr/bin too many times to be making
>>>>> progress, stopping
>>>>> We have looped trying to restore files in
>>>>> /exherbo/root/squashfs-root/usr/share/man/man1 too many times to be
>>>>> making progress, stopping
>>>>> We have looped trying to restore files in
>>>>> /exherbo/root/squashfs-root/usr/share/man/man3 too many times to be
>>>>> making progress, stopping
>>>>> We have looped trying to restore files in
>>>>> /exherbo/usr/x86_64-pc-linux-gnu/bin too many times to be making
>>>>> progress, stopping
>>>>> We have looped trying to restore files in
>>>>> /exherbo/usr/x86_64-pc-linux-gnu/include/firefox/mozilla/dom too many
>>>>> times to be making progress, stopping
>>>>> We have looped trying to restore files in
>>>>> /exherbo/usr/x86_64-pc-linux-gnu/include/firefox too many times to be
>>>>> making progress, stopping
>>>>> We have looped trying to restore files in
>>>>> /exherbo/usr/x86_64-pc-linux-gnu/lib/python3.5/test/__pycache__ too
>>>>> many times to be making progress, stopping
>>>>> We have looped trying to restore files in
>>>>> /exherbo/usr/x86_64-pc-linux-gnu/lib/python2.7/test too many times to
>>>>> be making progress, stopping
>>>>> We have looped trying to restore files in
>>>>> /exherbo/usr/x86_64-pc-linux-gnu/lib/debug/usr/x86_64-pc-linux-gnu/bin
>>>>> too many times to be making progress, stopping
>>>>> We have looped trying to restore files in /exherbo/usr/share/man/man3
>>>>> too many times to be making progress, stopping
>>>>> We have looped trying to restore files in /exherbo/usr/share/man/man1
>>>>> too many times to be making progress, stopping
>>>>> We have looped trying to restore files in
>>>>> /exherbo/usr/share/idl/firefox too many times to be making progress,
>>>>> stopping
>>>>>
>>>>> [root@archiso ~]# btrfs restore -v -l /dev/mapper/rootvol_1
>>>>> bad key ordering 49 50
>>>>> tree key (EXTENT_TREE ROOT_ITEM 0) 6210219163648 level 2
>>>>> tree key (DEV_TREE ROOT_ITEM 0) 3792640000000 level 1
>>>>> tree key (FS_TREE ROOT_ITEM 0) 3792595566592 level 0
>>>>> tree key (CSUM_TREE ROOT_ITEM 0) 6210220048384 level 3
>>>>> tree key (UUID_TREE ROOT_ITEM 0) 3792855105536 level 0
>>>>> tree key (257 ROOT_ITEM 0) 3792551755776 level 2
>>>>> tree key (258 ROOT_ITEM 0) 6210218557440 level 2
>>>>> tree key (3785 ROOT_ITEM 0) 7588191682560 level 0
>>>>> tree key (3786 ROOT_ITEM 0) 7588191633408 level 0
>>>>> tree key (7565 ROOT_ITEM 0) 6210221588480 level 2
>>>>> tree key (7566 ROOT_ITEM 0) 4055721377792 level 0
>>>>> tree key (7567 ROOT_ITEM 101377) 3792849616896 level 2
>>>>> tree key (DATA_RELOC_TREE ROOT_ITEM 0) 3792520544256 level 0
>>>>>
>>>>> Any help available? I tried using btrfs-restore previously on a
>>>>> different machine with only one of the disks plugged in, and it at
>>>>> least showed some files, though the 'Error searching -1' still showed
>>>>> up. (The /home subvolume is the only one I really care about;
>>>>> everything else is nice-to-have.)
>>>>>
>>>>> --
>>>>> Tom Hunt
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>>
>
>
--
Tom Dickson-Hunt
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