btrfs Incompatibility WinBtrfs/Linux: 'corrupt leaf', 'free space entries'

Incompatibility WinBtrfs/Linux: 'corrupt leaf', 'free space entries'

Open cooper2k4 opened this issue 4 years ago • 16 comments

I have no errors with WinBtrfs in Windows (write possible) but critical errors in Linux preventing write access.

I haven't done anything special. Just rebooted from Windows to Linux. All drives are connected via USB 3.1 (3 drives as RAID1). Using current version 1.7.6 of WinBtrfs. Issue may be linked to #249.

What shall I do to fix it?

$ dmesg |grep BTRFS
[    4.967858] BTRFS: device label MyBackupDrive devid 3 transid 18746 /dev/sdd1
[   38.987130] BTRFS: device label MyBackupDrive devid 2 transid 18746 /dev/sdf1
[   39.479470] BTRFS: device label MyBackupDrive devid 1 transid 18746 /dev/sdg1
[   71.967677] BTRFS info (device sdg1): disk space caching is enabled
[   71.967678] BTRFS info (device sdg1): has skinny extents
[   74.139644] BTRFS info (device sdg1): checking UUID tree
[  115.457649] BTRFS critical (device sdg1): corrupt leaf: root=2 block=82730844160 slot=148 bg_start=2375147323392 bg_len=1073741824, invalid block group used, have 1074757632 expect [0, 1073741824)
[  115.457651] BTRFS error (device sdg1): block=82730844160 write time tree block corruption detected
[  115.459412] BTRFS: error (device sdg1) in btrfs_commit_transaction:2279: errno=-5 IO failure (Error while writing out transaction)
[  115.459414] BTRFS info (device sdg1): forced readonly
[  115.459414] BTRFS warning (device sdg1): Skipping commit of aborted transaction.
[  115.459415] BTRFS: error (device sdg1) in cleanup_transaction:1832: errno=-5 IO failure
[  115.459416] BTRFS info (device sdg1): delayed_refs has NO entry

$ btrfs check /dev/sdg1   
Opening filesystem to check...
Checking filesystem on /dev/sdg1
UUID: e36c85a0-2b1a-4f0c-88cd-07d0cc7eff9c
[1/7] checking root items
[2/7] checking extents
[3/7] checking free space cache
there is no free space entry for 1918808616960-1918808719360
there is no free space entry for 1918808616960-1918873108480
cache appears valid but isn't 1918807048192

[... a lot more ...]

there is no free space entry for 3842593701888-3842664042496
there is no free space entry for 3842593701888-3843019505664
cache appears valid but isn't 3841945763840
[4/7] checking fs roots
[5/7] checking only csums items (without verifying data)
[6/7] checking root refs
[7/7] checking quota groups skipped (not enabled on this FS)
found 1874259677184 bytes used, error(s) found
total csum bytes: 1827893844
total tree bytes: 2029764608
total fs tree bytes: 129236992
total extent tree bytes: 23461888
btree space waste bytes: 53002824
file data blocks allocated: 2227669254144
 referenced 1872229912576

$ uname -a
Linux kubuntu 5.4.0-65-generic #73-Ubuntu SMP Mon Jan 18 17:25:17 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

$ btrfs version
btrfs-progs v5.4.1

Feb 24 '21 11:02 cooper2k4

I have still not found a solution for this problem 😢. So far I have not run the general btrfs check --repair because it is mostly discouraged and could make things worse.

There seem to be two different errors:

Corrupt leaf issued by Tree-Checker (critical)
no free space entry/cache appears valid but isn't (not critical)

The second error can be solved by running btrfs check --clear-space-cache v1 to clear the free space cache (see btrfs check).

I tried to run btrfs scrub but that is not possible on read only mounted volumes.

In a last effort I tried OpenSuse Live which currently has a relatively new Linux kernel as well as Btrfs tools, but the error remains unsolvable.

Linux thorsten-pc 5.11.6-1-default #1 SMP Thu Mar 11 16:11:36 UTC 2021 (7358b30) x86_64 x86_64 x86_64 GNU/Linux

btrfs-progs v5.11

dmesg

[ 1213.793750] BTRFS: device label MyBackupDrive devid 2 transid 23016 /dev/sde1 scanned by systemd-udevd (8058)
[ 1214.521845] BTRFS: device label MyBackupDrive devid 1 transid 23016 /dev/sdf1 scanned by systemd-udevd (8081)
[ 1217.085697] BTRFS: device label MyBackupDrive devid 3 transid 23016 /dev/sdg1 scanned by systemd-udevd (8082)
[ 1528.214968] BTRFS info (device sdf1): disk space caching is enabled
[ 1528.214978] BTRFS info (device sdf1): has skinny extents
[ 1531.671461] BTRFS info (device sdf1): checking UUID tree
[ 1532.044146] BTRFS info (device sdf1): balance: resume -dusage=50,limit=2 -musage=50,limit=4 -susage=50,limit=4
[ 1532.045173] BTRFS info (device sdf1): relocating block group 3369432252416 flags data|raid1
[ 1534.974519] BTRFS critical (device sdf1): corrupt leaf: root=2 block=82742394880 slot=64 bg_start=2138924122112 bg_len=1073741824, invalid block group used, have 1100369920 expect [0, 1073741824)
[ 1534.974542] BTRFS info (device sdf1): leaf 82742394880 gen 23019 total ptrs 159 free space 5295 owner 2
[ 1534.974550]  item 0 key (2136776638464 168 60817408) itemoff 16201 itemsize 82
[ 1534.974557]          extent refs 2 gen 3294 flags 1
[ 1534.974560]          ref#0: extent data backref root 5 objectid 135868 offset 860880896 count 1
[ 1534.974568]          ref#1: extent data backref root 5 objectid 135868 offset 861929472 count 1
[ 1534.974574]  item 1 key (2136776638464 192 1073741824) itemoff 16177 itemsize 24
[ 1534.974580]          block group used 1073741824 chunk_objectid 256 flags 17
[ 1534.974584]  item 2 key (2136837455872 168 126685184) itemoff 16095 itemsize 82
[ 1534.974588]          extent refs 2 gen 3294 flags 1
[ 1534.974592]          ref#0: extent data backref root 5 objectid 135868 offset 921698304 count 1
[ 1534.974597]          ref#1: extent data backref root 5 objectid 135868 offset 920649728 count 1
[ 1534.974602]  item 3 key (2136964141056 168 134217728) itemoff 16042 itemsize 53
[ 1534.974606]          extent refs 1 gen 3294 flags 1
[ 1534.974608]          ref#0: extent data backref root 5 objectid 135869 offset 0 count 1
[ 1534.974613]  item 4 key (2137098358784 168 134217728) itemoff 15989 itemsize 53
[ 1534.974617]          extent refs 1 gen 3294 flags 1
[ 1534.974619]          ref#0: extent data backref root 5 objectid 135869 offset 134217728 count 1
[ 1534.974624]  item 5 key (2137232576512 168 80740352) itemoff 15936 itemsize 53
[ 1534.974628]          extent refs 1 gen 3294 flags 1
[ 1534.974630]          ref#0: extent data backref root 5 objectid 135869 offset 268435456 count 1
[ 1534.974635]  item 6 key (2137313316864 168 134217728) itemoff 15883 itemsize 53
[ 1534.974638]          extent refs 1 gen 3303 flags 1
[ 1534.974640]          ref#0: extent data backref root 5 objectid 135867 offset 359661568 count 1
[ 1534.974645]  item 7 key (2137447534592 168 134217728) itemoff 15830 itemsize 53
[ 1534.974649]          extent refs 1 gen 3303 flags 1
[ 1534.974651]          ref#0: extent data backref root 5 objectid 135867 offset 493879296 count 1
[ 1534.974655]  item 8 key (2137581752320 168 134217728) itemoff 15777 itemsize 53
[ 1534.974659]          extent refs 1 gen 3303 flags 1
[ 1534.974661]          ref#0: extent data backref root 5 objectid 135867 offset 628097024 count 1
[ 1534.974666]  item 9 key (2137715970048 168 134217728) itemoff 15724 itemsize 53
[ 1534.974669]          extent refs 1 gen 3303 flags 1
[ 1534.974671]          ref#0: extent data backref root 5 objectid 135867 offset 762314752 count 1
[ 1534.974676]  item 10 key (2137850187776 168 20480) itemoff 15687 itemsize 37
[ 1534.974680]          extent refs 1 gen 14163 flags 1
[ 1534.974683]          ref#0: shared data backref parent 2964085882880 count 1
[ 1534.974687]  item 11 key (2137850208256 168 8192) itemoff 15650 itemsize 37
[ 1534.974692]          extent refs 1 gen 14163 flags 1
[ 1534.974694]          ref#0: shared data backref parent 2964085882880 count 1
[ 1534.974698]  item 12 key (2137850216448 168 16384) itemoff 15613 itemsize 37
[ 1534.974702]          extent refs 1 gen 14163 flags 1
[ 1534.974704]          ref#0: shared data backref parent 2964085882880 count 1
[ 1534.974708]  item 13 key (2137850232832 168 8192) itemoff 15576 itemsize 37
[ 1534.974712]          extent refs 1 gen 14163 flags 1
[ 1534.974714]          ref#0: shared data backref parent 2964085882880 count 1
[ 1534.974718]  item 14 key (2137850241024 168 8192) itemoff 15539 itemsize 37
[ 1534.974722]          extent refs 1 gen 14163 flags 1
[ 1534.974724]          ref#0: shared data backref parent 2964085882880 count 1
[ 1534.974728]  item 15 key (2137850249216 168 8192) itemoff 15502 itemsize 37
[ 1534.974731]          extent refs 1 gen 14163 flags 1
[ 1534.974734]          ref#0: shared data backref parent 2964085882880 count 1
[ 1534.974737]  item 16 key (2137850257408 168 8192) itemoff 15465 itemsize 37
[ 1534.974741]          extent refs 1 gen 14163 flags 1
[ 1534.974743]          ref#0: shared data backref parent 2964085882880 count 1
[ 1534.974747]  item 17 key (2137850265600 168 8192) itemoff 15428 itemsize 37
[ 1534.974751]          extent refs 1 gen 14163 flags 1
[ 1534.974753]          ref#0: shared data backref parent 2964085882880 count 1
[ 1534.974757]  item 18 key (2137850273792 168 4096) itemoff 15391 itemsize 37
[ 1534.974760]          extent refs 1 gen 14163 flags 1
[ 1534.974763]          ref#0: shared data backref parent 2964085882880 count 1
[ 1534.974766]  item 19 key (2137850277888 168 8192) itemoff 15338 itemsize 53
[ 1534.974770]          extent refs 1 gen 14163 flags 1
[ 1534.974772]          ref#0: extent data backref root 5 objectid 113230 offset 0 count 1
[ 1534.974777]  item 20 key (2137850286080 168 8192) itemoff 15285 itemsize 53
[ 1534.974780]          extent refs 1 gen 14163 flags 1
[ 1534.974783]          ref#0: extent data backref root 5 objectid 113231 offset 0 count 1
[ 1534.974787]  item 21 key (2137850294272 168 8192) itemoff 15232 itemsize 53
[ 1534.974790]          extent refs 1 gen 14163 flags 1
[ 1534.974793]          ref#0: extent data backref root 5 objectid 113232 offset 0 count 1
[ 1534.974797]  item 22 key (2137850302464 168 12288) itemoff 15179 itemsize 53
[ 1534.974801]          extent refs 1 gen 14163 flags 1
[ 1534.974803]          ref#0: extent data backref root 5 objectid 113234 offset 0 count 1
[ 1534.974807]  item 23 key (2137850314752 168 8192) itemoff 15126 itemsize 53
[ 1534.974811]          extent refs 1 gen 14163 flags 1
[ 1534.974813]          ref#0: extent data backref root 5 objectid 113235 offset 0 count 1
[ 1534.974818]  item 24 key (2137850322944 168 8192) itemoff 15073 itemsize 53
[ 1534.974821]          extent refs 1 gen 14163 flags 1
[ 1534.974823]          ref#0: extent data backref root 5 objectid 113236 offset 0 count 1
[ 1534.974828]  item 25 key (2137850331136 168 24576) itemoff 15036 itemsize 37
[ 1534.974831]          extent refs 1 gen 14163 flags 1
[ 1534.974834]          ref#0: shared data backref parent 2964085915648 count 1
[ 1534.974837]  item 26 key (2137850355712 168 12288) itemoff 14999 itemsize 37
[ 1534.974841]          extent refs 1 gen 14163 flags 1
[ 1534.974843]          ref#0: shared data backref parent 2964085915648 count 1
[ 1534.974847]  item 27 key (2137850368000 168 12288) itemoff 14962 itemsize 37
[ 1534.974851]          extent refs 1 gen 14163 flags 1
[ 1534.974853]          ref#0: shared data backref parent 2964085915648 count 1
[ 1534.974857]  item 28 key (2137850380288 168 134217728) itemoff 14909 itemsize 53
[ 1534.974861]          extent refs 1 gen 3303 flags 1
[ 1534.974863]          ref#0: extent data backref root 5 objectid 135867 offset 896532480 count 1
[ 1534.974868]  item 29 key (2137850380288 192 1073741824) itemoff 14885 itemsize 24
[ 1534.974872]          block group used 1073737728 chunk_objectid 256 flags 17
[ 1534.974875]  item 30 key (2137984598016 168 77918208) itemoff 14832 itemsize 53
[ 1534.974879]          extent refs 1 gen 3303 flags 1
[ 1534.974881]          ref#0: extent data backref root 5 objectid 135867 offset 1030750208 count 1
[ 1534.974886]  item 31 key (2138062516224 168 134217728) itemoff 14779 itemsize 53
[ 1534.974890]          extent refs 1 gen 3303 flags 1
[ 1534.974892]          ref#0: extent data backref root 5 objectid 135868 offset 0 count 1
[ 1534.974897]  item 32 key (2138196733952 168 134217728) itemoff 14726 itemsize 53
[ 1534.974900]          extent refs 1 gen 3303 flags 1
[ 1534.974903]          ref#0: extent data backref root 5 objectid 135868 offset 134217728 count 1
[ 1534.974907]  item 33 key (2138330951680 168 55574528) itemoff 14673 itemsize 53
[ 1534.974911]          extent refs 1 gen 3303 flags 1
[ 1534.974913]          ref#0: extent data backref root 5 objectid 135868 offset 268435456 count 1
[ 1534.974917]  item 34 key (2138386526208 168 134217728) itemoff 14620 itemsize 53
[ 1534.974921]          extent refs 1 gen 3312 flags 1
[ 1534.974923]          ref#0: extent data backref root 5 objectid 135866 offset 365953024 count 1
[ 1534.974928]  item 35 key (2138520743936 168 134217728) itemoff 14567 itemsize 53
[ 1534.974932]          extent refs 1 gen 3312 flags 1
[ 1534.974934]          ref#0: extent data backref root 5 objectid 135866 offset 500170752 count 1
[ 1534.974938]  item 36 key (2138654961664 168 134217728) itemoff 14514 itemsize 53
[ 1534.974942]          extent refs 1 gen 3312 flags 1
[ 1534.974944]          ref#0: extent data backref root 5 objectid 135866 offset 634388480 count 1
[ 1534.974949]  item 37 key (2138789179392 168 134217728) itemoff 14461 itemsize 53
[ 1534.974952]          extent refs 1 gen 3312 flags 1
[ 1534.974954]          ref#0: extent data backref root 5 objectid 135866 offset 768606208 count 1
[ 1534.974959]  item 38 key (2138923397120 168 221184) itemoff 14424 itemsize 37
[ 1534.974963]          extent refs 1 gen 14190 flags 1
[ 1534.974965]          ref#0: shared data backref parent 2964239253504 count 1
[ 1534.974969]  item 39 key (2138923618304 168 32768) itemoff 14387 itemsize 37
[ 1534.974973]          extent refs 1 gen 14190 flags 1
[ 1534.974975]          ref#0: shared data backref parent 2964239253504 count 1
[ 1534.974979]  item 40 key (2138923651072 168 163840) itemoff 14350 itemsize 37
[ 1534.974983]          extent refs 1 gen 14208 flags 1
[ 1534.974985]          ref#0: shared data backref parent 2964340457472 count 1
[ 1534.974989]  item 41 key (2138923909120 168 8192) itemoff 14297 itemsize 53
[ 1534.974993]          extent refs 1 gen 15837 flags 1
[ 1534.974995]          ref#0: extent data backref root 5 objectid 96328 offset 0 count 1
[ 1534.975000]  item 42 key (2138923921408 168 12288) itemoff 14260 itemsize 37
[ 1534.975004]          extent refs 1 gen 14163 flags 1
[ 1534.975006]          ref#0: shared data backref parent 2964085915648 count 1
[ 1534.975010]  item 43 key (2138923933696 168 12288) itemoff 14223 itemsize 37
[ 1534.975013]          extent refs 1 gen 14163 flags 1
[ 1534.975016]          ref#0: shared data backref parent 2964085915648 count 1
[ 1534.975020]  item 44 key (2138923945984 168 16384) itemoff 14186 itemsize 37
[ 1534.975023]          extent refs 1 gen 14163 flags 1
[ 1534.975025]          ref#0: shared data backref parent 2964085915648 count 1
[ 1534.975029]  item 45 key (2138923962368 168 12288) itemoff 14149 itemsize 37
[ 1534.975033]          extent refs 1 gen 14163 flags 1
[ 1534.975035]          ref#0: shared data backref parent 2964085915648 count 1
[ 1534.975039]  item 46 key (2138923974656 168 8192) itemoff 14112 itemsize 37
[ 1534.975042]          extent refs 1 gen 14163 flags 1
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[ 1534.975048]  item 47 key (2138923982848 168 8192) itemoff 14075 itemsize 37
[ 1534.975052]          extent refs 1 gen 14163 flags 1
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[ 1534.975058]  item 48 key (2138923991040 168 8192) itemoff 14038 itemsize 37
[ 1534.975062]          extent refs 1 gen 14163 flags 1
[ 1534.975064]          ref#0: shared data backref parent 2964085915648 count 1
[ 1534.975068]  item 49 key (2138923999232 168 16384) itemoff 14001 itemsize 37
[ 1534.975071]          extent refs 1 gen 14163 flags 1
[ 1534.975073]          ref#0: shared data backref parent 2964085915648 count 1
[ 1534.975077]  item 50 key (2138924015616 168 8192) itemoff 13964 itemsize 37
[ 1534.975081]          extent refs 1 gen 14163 flags 1
[ 1534.975083]          ref#0: shared data backref parent 2964085915648 count 1
[ 1534.975087]  item 51 key (2138924023808 168 8192) itemoff 13927 itemsize 37
[ 1534.975090]          extent refs 1 gen 14163 flags 1
[ 1534.975093]          ref#0: shared data backref parent 2964085915648 count 1
[ 1534.975096]  item 52 key (2138924032000 168 8192) itemoff 13890 itemsize 37
[ 1534.975100]          extent refs 1 gen 14163 flags 1
[ 1534.975102]          ref#0: shared data backref parent 2964085915648 count 1
[ 1534.975106]  item 53 key (2138924040192 168 8192) itemoff 13853 itemsize 37
[ 1534.975109]          extent refs 1 gen 14163 flags 1
[ 1534.975112]          ref#0: shared data backref parent 2964085915648 count 1
[ 1534.975115]  item 54 key (2138924048384 168 8192) itemoff 13816 itemsize 37
[ 1534.975119]          extent refs 1 gen 14163 flags 1
[ 1534.975121]          ref#0: shared data backref parent 2964085915648 count 1
[ 1534.975125]  item 55 key (2138924056576 168 8192) itemoff 13779 itemsize 37
[ 1534.975129]          extent refs 1 gen 14163 flags 1
[ 1534.975131]          ref#0: shared data backref parent 2964085915648 count 1
[ 1534.975135]  item 56 key (2138924064768 168 8192) itemoff 13742 itemsize 37
[ 1534.975138]          extent refs 1 gen 14163 flags 1
[ 1534.975141]          ref#0: shared data backref parent 2964085915648 count 1
[ 1534.975144]  item 57 key (2138924072960 168 8192) itemoff 13705 itemsize 37
[ 1534.975148]          extent refs 1 gen 14163 flags 1
[ 1534.975150]          ref#0: shared data backref parent 2964085915648 count 1
[ 1534.975154]  item 58 key (2138924081152 168 8192) itemoff 13668 itemsize 37
[ 1534.975157]          extent refs 1 gen 14163 flags 1
[ 1534.975160]          ref#0: shared data backref parent 2964085915648 count 1
[ 1534.975164]  item 59 key (2138924089344 168 8192) itemoff 13631 itemsize 37
[ 1534.975167]          extent refs 1 gen 14163 flags 1
[ 1534.975169]          ref#0: shared data backref parent 2964085915648 count 1
[ 1534.975173]  item 60 key (2138924097536 168 12288) itemoff 13594 itemsize 37
[ 1534.975177]          extent refs 1 gen 14163 flags 1
[ 1534.975179]          ref#0: shared data backref parent 2964086030336 count 1
[ 1534.975183]  item 61 key (2138924109824 168 8192) itemoff 13557 itemsize 37
[ 1534.975186]          extent refs 1 gen 14163 flags 1
[ 1534.975189]          ref#0: shared data backref parent 2964086030336 count 1
[ 1534.975192]  item 62 key (2138924118016 168 4096) itemoff 13520 itemsize 37
[ 1534.975196]          extent refs 1 gen 14163 flags 1
[ 1534.975198]          ref#0: shared data backref parent 2964086161408 count 1
[ 1534.975202]  item 63 key (2138924122112 168 9437184) itemoff 13438 itemsize 82
[ 1534.975206]          extent refs 3 gen 3312 flags 1
[ 1534.975208]          ref#0: extent data backref root 5 objectid 135866 offset 904921088 count 1
[ 1534.975213]          ref#1: extent data backref root 5 objectid 135866 offset 902823936 count 2
[ 1534.975217]  item 64 key (2138924122112 192 1073741824) itemoff 13414 itemsize 24
[ 1534.975221]          block group used 1100369920 chunk_objectid 256 flags 17
[ 1534.975224]  item 65 key (2138933559296 168 134217728) itemoff 13332 itemsize 82
[ 1534.975228]          extent refs 2 gen 3312 flags 1
[ 1534.975230]          ref#0: extent data backref root 5 objectid 135866 offset 910163968 count 1
[ 1534.975234]          ref#1: extent data backref root 5 objectid 135866 offset 912261120 count 1
[ 1534.975239]  item 66 key (2139067777024 168 33038336) itemoff 13279 itemsize 53
[ 1534.975243]          extent refs 1 gen 3312 flags 1
[ 1534.975245]          ref#0: extent data backref root 5 objectid 135866 offset 1046478848 count 1
[ 1534.975250]  item 67 key (2139100815360 168 134217728) itemoff 13226 itemsize 53
[ 1534.975253]          extent refs 1 gen 3312 flags 1
[ 1534.975256]          ref#0: extent data backref root 5 objectid 135867 offset 0 count 1
[ 1534.975260]  item 68 key (2139235033088 168 134217728) itemoff 13173 itemsize 53
[ 1534.975264]          extent refs 1 gen 3312 flags 1
[ 1534.975266]          ref#0: extent data backref root 5 objectid 135867 offset 134217728 count 1
[ 1534.975270]  item 69 key (2139369250816 168 91226112) itemoff 13120 itemsize 53
[ 1534.975274]          extent refs 1 gen 3312 flags 1
[ 1534.975276]          ref#0: extent data backref root 5 objectid 135867 offset 268435456 count 1
[ 1534.975281]  item 70 key (2139460476928 168 134217728) itemoff 13067 itemsize 53
[ 1534.975284]          extent refs 1 gen 3321 flags 1
[ 1534.975287]          ref#0: extent data backref root 5 objectid 135863 offset 611319808 count 1
[ 1534.975291]  item 71 key (2139594694656 168 63119360) itemoff 13014 itemsize 53
[ 1534.975295]          extent refs 1 gen 3321 flags 1
[ 1534.975297]          ref#0: extent data backref root 5 objectid 135863 offset 745537536 count 1
[ 1534.975301]  item 72 key (2139657814016 168 134217728) itemoff 12961 itemsize 53
[ 1534.975305]          extent refs 1 gen 3321 flags 1
[ 1534.975307]          ref#0: extent data backref root 5 objectid 135865 offset 0 count 1
[ 1534.975312]  item 73 key (2139792031744 168 134217728) itemoff 12908 itemsize 53
[ 1534.975315]          extent refs 1 gen 3321 flags 1
[ 1534.975318]          ref#0: extent data backref root 5 objectid 135865 offset 134217728 count 1
[ 1534.975322]  item 74 key (2139926249472 168 22220800) itemoff 12855 itemsize 53
[ 1534.975326]          extent refs 1 gen 23019 flags 1
[ 1534.975328]          ref#0: extent data backref root 18446744073709551607 objectid 264 offset 1005420544 count 1
[ 1534.975334]  item 75 key (2139952332800 168 19357696) itemoff 12802 itemsize 53
[ 1534.975338]          extent refs 1 gen 3825 flags 1
[ 1534.975340]          ref#0: extent data backref root 5 objectid 135774 offset 1024458752 count 1
[ 1534.975345]  item 76 key (2139971690496 168 4669440) itemoff 12749 itemsize 53
[ 1534.975348]          extent refs 1 gen 23019 flags 1
[ 1534.975351]          ref#0: extent data backref root 18446744073709551607 objectid 264 offset 1027641344 count 1
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[ 1534.976103]  item 149 key (2142144143360 168 12288) itemoff 9603 itemsize 37
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[ 1534.976118]  item 150 key (2142144155648 168 8192) itemoff 9566 itemsize 37
[ 1534.976122]          extent refs 1 gen 14163 flags 1
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[ 1534.976128]  item 151 key (2142144163840 168 8192) itemoff 9529 itemsize 37
[ 1534.976131]          extent refs 1 gen 14163 flags 1
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[ 1534.976137]  item 152 key (2142144172032 168 8192) itemoff 9492 itemsize 37
[ 1534.976141]          extent refs 1 gen 14163 flags 1
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[ 1534.976147]  item 153 key (2142144180224 168 16384) itemoff 9455 itemsize 37
[ 1534.976150]          extent refs 1 gen 14163 flags 1
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[ 1534.976156]  item 154 key (2142144196608 168 8192) itemoff 9418 itemsize 37
[ 1534.976160]          extent refs 1 gen 14163 flags 1
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[ 1534.976166]  item 155 key (2142144204800 168 8192) itemoff 9381 itemsize 37
[ 1534.976170]          extent refs 1 gen 14163 flags 1
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[ 1534.976176]  item 156 key (2142144212992 168 8192) itemoff 9344 itemsize 37
[ 1534.976179]          extent refs 1 gen 14163 flags 1
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[ 1534.976185]  item 157 key (2142144221184 168 8192) itemoff 9307 itemsize 37
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[ 1534.976195]  item 158 key (2142144229376 168 8192) itemoff 9270 itemsize 37
[ 1534.976198]          extent refs 1 gen 14163 flags 1
[ 1534.976201]          ref#0: shared data backref parent 2964085981184 count 1
[ 1534.976205] BTRFS error (device sdf1): block=82742394880 write time tree block corruption detected
[ 1534.986261] BTRFS: error (device sdf1) in btrfs_commit_transaction:2329: errno=-5 IO failure (Error while writing out transaction)
[ 1534.986277] BTRFS info (device sdf1): forced readonly
[ 1534.986283] BTRFS warning (device sdf1): Skipping commit of aborted transaction.
[ 1534.986287] BTRFS: error (device sdf1) in cleanup_transaction:1939: errno=-5 IO failure
[ 1538.274607] BTRFS info (device sdf1): balance: ended with status: -30

btrfs check

[1/7] checking root items
[2/7] checking extents
[3/7] checking free space cache
[4/7] checking fs roots
[5/7] checking only csums items (without verifying data)
[6/7] checking root refs
[7/7] checking quota groups skipped (not enabled on this FS)
Opening filesystem to check...
Checking filesystem on /dev/sde1
UUID: e36c85a0-2b1a-4f0c-88cd-07d0cc7eff9c
found 1898713333760 bytes used, no error found
total csum bytes: 1852205664
total tree bytes: 2054733824
total fs tree bytes: 129318912
total extent tree bytes: 23658496
btree space waste bytes: 53871917
file data blocks allocated: 2255151411200
 referenced 1896658599936

Mar 20 '21 09:03 cooper2k4

I'm having issues with mounting in Linux as well, although I'm getting slightly different errors... (Read time tree block corruption, yay) Software RAID-0 array with two SSDs, mount options are "rw,noatime,compress=zstd:3,ssd,discard=async,space_cache=v2"

$ mount /dev/sdb /mnt -o rw,noatime,compress=zstd:3,ssd,discard=async,space_cache=v2
BTRFS critical (device sdb): corrupt leaf: root=5 block=33325056 slot=157, invalid key objectid: has 18446744073709551605 expect 6 or [256, 18446744073709551360] or 18446744073709551604
BTRFS error (device sdb): block=33325056 read time tree block corruption detected
BTRFS critical (device sdb): corrupt leaf: root=5 block=33325056 slot=157, invalid key objectid: has 18446744073709551605 expect 6 or [256, 18446744073709551360] or 18446744073709551604
BTRFS error (device sdb): block=33325056 read time tree block corruption detected
BTRFS error (device sdb): open_ctree failed
mount: /mnt: can't read superblock on /dev/sdb.

btrfs check reveals a bit more:

$ btrfs check /dev/sdb
Opening filesystem to check...
Checking filesystem on /dev/sdb
UUID: ce436fa3-789f-4eae-9f00-bd93e92539fb
[1/7] checking root items
[2/7] checking extents
[3/7] checking free space tree
[4/7] checking fs roots
root 5 inode 2 errors 2001, no inode item, link count wrong
        unresolved ref dir 256 index 26 namelen 12 name $RECYCLE.BIN filetype 2 errors 4, no inode ref
root 5 inode 18446744073709551605 errors 2001, no inode item, link count wrong
        unresolved ref dir 256 index 25 namelen 25 name System Volume Information filetype 2 errors 6, no dir index, no inode ref
root 5 inode 18446744073709551606 errors 2000, no inode item, link count wrong
        unresolved ref dir 18446744073709551605 index 2 namelen 14 name WPSettings.dat filetype 0 errors 3, no inode ref, no dir index
root 5 inode 18446744073709551607 errors 2000, no inode item, link count wrong
        unresolved ref dir 18446744073709551605 index 3 namelen 17 name IndexerVolumeGuid filetype 0 errors 3, no inode ref, no dir index
root 5 inode 18446744073709551608 errors 2000, no inode item, link count wrong
        unresolved ref dir 18446744073709551605 index 4 namelen 3 name EDP filetype 0 errors 3, no inode ref, no dir index
ERROR: errors found in fs roots
found 1852810452992 bytes used, error(s) found
total csum bytes: 1805210504
total tree bytes: 3532816384
total fs tree bytes: 1077182464
total extent tree bytes: 328482816
btree space waste bytes: 552004225
file data blocks allocated: 13762863042560
 referenced 1794184130560

Running btrfs check --repair fixes all but the "System Volume Information" inode error... Anyone know a way of deleting a specified inode/folder without mounting? After all, because of this error I can only mount the filesystem via btrfs recover, and I don't really wanna copy over 1.6 TiB onto my hard drive to format the SSDs :/

May 06 '21 08:05 EmilHeilbo

Thanks @EmilHeilbo. Could you send me the output of btrfs inspect-internal dump-tree -t 5 /dev/sdb please? It's probably going to be quite large, you might need to gzip and e-mail it. I'm a bit confused about why you have inodes with such large numbers - possibly the Linux driver has started doing something we don't account for.

Also, what version of the kernel are you on?

May 06 '21 18:05 maharmstone

Before the error left it unmountable, my system was running on Arch Linux w/ linux 5.11.14 & btrfs-progs 5.11.1. I used the newest version of the Windows driver (1.7.7) Curiously, this issue only occurred on my 2x 1TB RAID-0 btrfs partition, and not the two other btrfs partitions on my system... I've compressed the dump with xz, seems to be the most efficient for this file. I don't really feel like putting 100 MB into my already limited email account, so I put it on my web-server instead.

May 07 '21 08:05 EmilHeilbo

Pretty much the same as the situation stated above. Everything seems to be working fine on Windows, but read only access on Linux.

Running on Manjaro with kernel 5.12, also tried kernel 5.4 and no difference. Using btrfs-tools 5.11

dmesg


[  360.670584] ------------[ cut here ]------------
[  360.670641] WARNING: CPU: 3 PID: 1839 at fs/btrfs/extent-tree.c:3097 __btrfs_free_extent.isra.0+0x660/0x950 [btrfs]
[  360.670643] Modules linked in: ccm rfcomm nfnetlink cmac algif_hash algif_skcipher af_alg bnep btrfs xor btusb uvcvideo btrtl btbcm videobuf2_vmalloc btintel videobuf2_memops videobuf2_v4l2 bluetooth videobuf2_common videodev ecdh_generic mc ecc raid6_pq libcrc32c uas usb_storage joydev mousedev hid_multitouch hid_generic ucsi_ccg intel_rapl_msr typec_ucsi iTCO_wdt snd_hda_codec_hdmi iTCO_vendor_support mei_hdcp typec snd_sof_pci snd_sof_intel_byt snd_sof_intel_ipc snd_sof_xtensa_dsp snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda intel_rapl_common iwlmvm snd_sof snd_soc_skl snd_soc_sst_ipc snd_soc_sst_dsp mac80211 snd_hda_ext_core x86_pkg_temp_thermal snd_soc_acpi_intel_match intel_powerclamp snd_soc_acpi snd_hda_codec_realtek coretemp snd_soc_core kvm_intel snd_hda_codec_generic ledtrig_audio libarc4 snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel kvm snd_intel_nhlt iwlwifi irqbypass snd_hda_codec crct10dif_pclmul nls_iso8859_1 ghash_clmulni_intel nls_cp437 rapl vfat
[  360.670718]  intel_cstate fat intel_uncore cfg80211 snd_hda_core psmouse input_leds pcspkr snd_hwdep intel_wmi_thunderbolt snd_pcm rtsx_pci_ms nvidia_drm(POE) mxm_wmi nvidia_modeset(POE) tpm_crb wmi_bmof rfkill i2c_i801 memstick snd_timer r8169 snd realtek drm_kms_helper soundcore mei_me libphy i2c_hid intel_lpss_pci thunderbolt i2c_nvidia_gpu intel_lpss mei intel_pch_thermal idma64 drm hid tpm_tis tpm_tis_core tpm intel_hid evdev agpgart mac_hid rng_core syscopyarea sysfillrect sparse_keymap sysimgblt ac fb_sys_fops nvidia(POE) crypto_user fuse ip_tables x_tables ext4 crc32c_generic crc16 mbcache jbd2 sd_mod ahci rtsx_pci_sdmmc crc32_pclmul libahci aesni_intel serio_raw mmc_core libata glue_helper atkbd xhci_pci crypto_simd libps2 scsi_mod rtsx_pci cryptd xhci_hcd battery i8042 serio wmi crc32c_intel
[  360.670794] CPU: 3 PID: 1839 Comm: btrfs-balance Tainted: P        W  OE     5.4.116-1-MANJARO #1
[  360.670797] Hardware name: PC Specialist LTD PB50_70RF,RD,RC                 /PB50_70RF,RD,RC                 , BIOS 1.07.14TPCS 02/01/2019
[  360.670838] RIP: 0010:__btrfs_free_extent.isra.0+0x660/0x950 [btrfs]
[  360.670843] Code: 24 e8 54 49 03 00 4c 8b 04 24 4c 89 c7 e8 38 f7 00 00 8b 54 24 10 85 d2 0f 84 01 fe ff ff 48 8b 54 24 48 e9 c7 fd ff ff 0f 0b <0f> 0b 49 8b 3e e8 b6 59 00 00 49 89 d9 4c 89 e1 48 89 ea ff b4 24
[  360.670846] RSP: 0018:ffffb61e08513a20 EFLAGS: 00010246
[  360.670849] RAX: 00000000fffffffe RBX: 000000000002dab6 RCX: 0000000000000000
[  360.670852] RDX: 00000000a63d0000 RSI: ffff9a7ed5dd67e2 RDI: 0000000000000000
[  360.670854] RBP: 00000000a63cb000 R08: 0000000000001000 R09: 0000000000004000
[  360.670856] R10: 000130773f4f2c90 R11: ffff9a7ed5dd67d1 R12: 0000000000000000
[  360.670858] R13: 00000000fffffffe R14: ffff9a82eae59bd0 R15: ffff9a8348b6d7b8
[  360.670861] FS:  0000000000000000(0000) GS:ffff9a8374ac0000(0000) knlGS:0000000000000000
[  360.670863] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  360.670865] CR2: 000055e76c2b5000 CR3: 000000019840a004 CR4: 00000000003606e0
[  360.670867] Call Trace:
[  360.670917]  ? __btrfs_run_delayed_refs+0x2b5/0xfc0 [btrfs]
[  360.670962]  __btrfs_run_delayed_refs+0x25e/0xfc0 [btrfs]
[  360.670975]  ? _raw_write_unlock+0x12/0x30
[  360.671020]  ? btrfs_set_path_blocking+0x45/0x50 [btrfs]
[  360.671066]  btrfs_run_delayed_refs+0x63/0x190 [btrfs]
[  360.671119]  btrfs_commit_transaction+0xae/0x9c0 [btrfs]
[  360.671173]  prepare_to_merge+0x206/0x240 [btrfs]
[  360.671222]  relocate_block_group+0x1e1/0x670 [btrfs]
[  360.671269]  btrfs_relocate_block_group+0x157/0x2f0 [btrfs]
[  360.671312]  btrfs_relocate_chunk+0x25/0x80 [btrfs]
[  360.671355]  btrfs_balance+0x8ea/0xee0 [btrfs]
[  360.671401]  ? btrfs_balance+0xee0/0xee0 [btrfs]
[  360.671442]  balance_kthread+0x35/0x50 [btrfs]
[  360.671449]  kthread+0x13e/0x160
[  360.671454]  ? __kthread_bind_mask+0x60/0x60
[  360.671458]  ret_from_fork+0x35/0x40
[  360.671464] ---[ end trace 87dc69e82fe347e5 ]---
[  360.671472] BTRFS info (device sdb2): leaf 12001300824064 gen 4548 total ptrs 82 free space 7860 owner 2
[  360.671475] 	item 0 key (2709671936 168 200704) itemoff 16201 itemsize 82
[  360.671478] 		extent refs 2 gen 1 flags 1
[  360.671479] 		ref#0: extent data backref root 256 objectid 257 offset 2708623360 count 1
[  360.671483] 		ref#1: extent data backref root 5 objectid 346032 offset 0 count 1
[  360.671487] 	item 1 key (2709872640 168 278528) itemoff 16119 itemsize 82
[  360.671489] 		extent refs 2 gen 1 flags 1
[  360.671490] 		ref#0: extent data backref root 256 objectid 257 offset 2708824064 count 1
[  360.671493] 		ref#1: extent data backref root 5 objectid 275089 offset 0 count 1
[  360.671497] 	item 2 key (2710151168 168 200704) itemoff 16037 itemsize 82
[  360.671498] 		extent refs 2 gen 1 flags 1
[  360.671500] 		ref#0: extent data backref root 256 objectid 257 offset 2709102592 count 1
[  360.671502] 		ref#1: extent data backref root 5 objectid 275315 offset 0 count 1
[  360.671505] 	item 3 key (2710351872 168 225280) itemoff 15955 itemsize 82
[  360.671507] 		extent refs 2 gen 1 flags 1
[  360.671508] 		ref#0: extent data backref root 256 objectid 257 offset 2709303296 count 1
[  360.671510] 		ref#1: extent data backref root 5 objectid 322061 offset 0 count 1
[  360.671514] 	item 4 key (2710577152 168 208896) itemoff 15873 itemsize 82
[  360.671515] 		extent refs 2 gen 1 flags 1
[  360.671516] 		ref#0: extent data backref root 256 objectid 257 offset 2709528576 count 1
[  360.671519] 		ref#1: extent data backref root 5 objectid 346012 offset 0 count 1
[  360.671522] 	item 5 key (2710786048 168 249856) itemoff 15791 itemsize 82
[  360.671524] 		extent refs 2 gen 1 flags 1
[  360.671525] 		ref#0: extent data backref root 256 objectid 257 offset 2709737472 count 1
[  360.671527] 		ref#1: extent data backref root 5 objectid 346106 offset 0 count 1
[  360.671531] 	item 6 key (2711035904 168 135168) itemoff 15709 itemsize 82
[  360.671532] 		extent refs 2 gen 1 flags 1
[  360.671533] 		ref#0: extent data backref root 256 objectid 257 offset 2709987328 count 1
[  360.671536] 		ref#1: extent data backref root 5 objectid 346108 offset 0 count 1
[  360.671539] 	item 7 key (2711171072 168 225280) itemoff 15627 itemsize 82
[  360.671541] 		extent refs 2 gen 1 flags 1
[  360.671542] 		ref#0: extent data backref root 256 objectid 257 offset 2710122496 count 1
[  360.671544] 		ref#1: extent data backref root 5 objectid 346138 offset 0 count 1
[  360.671548] 	item 8 key (2711396352 168 294912) itemoff 15545 itemsize 82
[  360.671549] 		extent refs 2 gen 1 flags 1
[  360.671550] 		ref#0: extent data backref root 256 objectid 257 offset 2710347776 count 1
[  360.671553] 		ref#1: extent data backref root 5 objectid 346117 offset 0 count 1
[  360.671556] 	item 9 key (2711691264 168 208896) itemoff 15463 itemsize 82
[  360.671558] 		extent refs 2 gen 1 flags 1
[  360.671559] 		ref#0: extent data backref root 256 objectid 257 offset 2710642688 count 1
[  360.671561] 		ref#1: extent data backref root 5 objectid 276708 offset 0 count 1
[  360.671565] 	item 10 key (2711900160 168 208896) itemoff 15381 itemsize 82
[  360.671566] 		extent refs 2 gen 1 flags 1
[  360.671567] 		ref#0: extent data backref root 256 objectid 257 offset 2710851584 count 1
[  360.671570] 		ref#1: extent data backref root 5 objectid 346107 offset 0 count 1
[  360.671573] 	item 11 key (2712109056 168 241664) itemoff 15299 itemsize 82
[  360.671575] 		extent refs 2 gen 1 flags 1
[  360.671576] 		ref#0: extent data backref root 256 objectid 257 offset 2711060480 count 1
[  360.671578] 		ref#1: extent data backref root 5 objectid 346655 offset 0 count 1
[  360.671581] 	item 12 key (2712350720 168 196608) itemoff 15217 itemsize 82
[  360.671583] 		extent refs 2 gen 1 flags 1
[  360.671584] 		ref#0: extent data backref root 256 objectid 257 offset 2711302144 count 1
[  360.671586] 		ref#1: extent data backref root 5 objectid 347481 offset 0 count 1
[  360.671590] 	item 13 key (2712547328 168 192512) itemoff 15135 itemsize 82
[  360.671592] 		extent refs 2 gen 1 flags 1
[  360.671593] 		ref#0: extent data backref root 256 objectid 257 offset 2711498752 count 1
[  360.671595] 		ref#1: extent data backref root 5 objectid 347531 offset 0 count 1
[  360.671598] 	item 14 key (2712739840 168 110592) itemoff 15053 itemsize 82
[  360.671600] 		extent refs 2 gen 1 flags 1
[  360.671601] 		ref#0: extent data backref root 256 objectid 257 offset 2711691264 count 1
[  360.671603] 		ref#1: extent data backref root 5 objectid 346112 offset 0 count 1
[  360.671607] 	item 15 key (2712850432 168 172032) itemoff 14971 itemsize 82
[  360.671608] 		extent refs 2 gen 1 flags 1
[  360.671609] 		ref#0: extent data backref root 256 objectid 257 offset 2711801856 count 1
[  360.671612] 		ref#1: extent data backref root 5 objectid 346613 offset 0 count 1
[  360.671615] 	item 16 key (2713022464 168 135168) itemoff 14889 itemsize 82
[  360.671617] 		extent refs 2 gen 1 flags 1
[  360.671618] 		ref#0: extent data backref root 256 objectid 257 offset 2711973888 count 1
[  360.671620] 		ref#1: extent data backref root 5 objectid 346131 offset 0 count 1
[  360.671623] 	item 17 key (2713157632 168 172032) itemoff 14807 itemsize 82
[  360.671625] 		extent refs 2 gen 1 flags 1
[  360.671626] 		ref#0: extent data backref root 256 objectid 257 offset 2712109056 count 1
[  360.671628] 		ref#1: extent data backref root 5 objectid 346208 offset 0 count 1
[  360.671632] 	item 18 key (2713329664 168 126976) itemoff 14725 itemsize 82
[  360.671633] 		extent refs 2 gen 1 flags 1
[  360.671634] 		ref#0: extent data backref root 256 objectid 257 offset 2712281088 count 1
[  360.671637] 		ref#1: extent data backref root 5 objectid 286346 offset 0 count 1
[  360.671640] 	item 19 key (2713456640 168 167936) itemoff 14643 itemsize 82
[  360.671642] 		extent refs 2 gen 1 flags 1
[  360.671643] 		ref#0: extent data backref root 256 objectid 257 offset 2712408064 count 1
[  360.671645] 		ref#1: extent data backref root 5 objectid 286350 offset 0 count 1
[  360.671648] 	item 20 key (2713624576 168 253952) itemoff 14561 itemsize 82
[  360.671650] 		extent refs 2 gen 1 flags 1
[  360.671651] 		ref#0: extent data backref root 256 objectid 257 offset 2712576000 count 1
[  360.671653] 		ref#1: extent data backref root 5 objectid 347488 offset 0 count 1
[  360.671657] 	item 21 key (2713878528 168 184320) itemoff 14479 itemsize 82
[  360.671658] 		extent refs 2 gen 1 flags 1
[  360.671659] 		ref#0: extent data backref root 256 objectid 257 offset 2712829952 count 1
[  360.671662] 		ref#1: extent data backref root 5 objectid 346213 offset 0 count 1
[  360.671665] 	item 22 key (2714062848 168 200704) itemoff 14397 itemsize 82
[  360.671667] 		extent refs 2 gen 1 flags 1
[  360.671668] 		ref#0: extent data backref root 256 objectid 257 offset 2713014272 count 1
[  360.671670] 		ref#1: extent data backref root 5 objectid 714955 offset 0 count 1
[  360.671674] 	item 23 key (2714263552 168 233472) itemoff 14315 itemsize 82
[  360.671675] 		extent refs 2 gen 1 flags 1
[  360.671676] 		ref#0: extent data backref root 256 objectid 257 offset 2713214976 count 1
[  360.671679] 		ref#1: extent data backref root 5 objectid 346872 offset 0 count 1
[  360.671682] 	item 24 key (2714497024 168 176128) itemoff 14233 itemsize 82
[  360.671683] 		extent refs 2 gen 1 flags 1
[  360.671684] 		ref#0: extent data backref root 256 objectid 257 offset 2713448448 count 1
[  360.671687] 		ref#1: extent data backref root 5 objectid 714981 offset 0 count 1
[  360.671690] 	item 25 key (2714673152 168 262144) itemoff 14151 itemsize 82
[  360.671692] 		extent refs 2 gen 1 flags 1
[  360.671693] 		ref#0: extent data backref root 256 objectid 257 offset 2713624576 count 1
[  360.671695] 		ref#1: extent data backref root 5 objectid 346298 offset 0 count 1
[  360.671699] 	item 26 key (2714935296 168 233472) itemoff 14069 itemsize 82
[  360.671700] 		extent refs 2 gen 1 flags 1
[  360.671701] 		ref#0: extent data backref root 256 objectid 257 offset 2713886720 count 1
[  360.671704] 		ref#1: extent data backref root 5 objectid 346473 offset 0 count 1
[  360.671707] 	item 27 key (2715168768 168 172032) itemoff 13987 itemsize 82
[  360.671709] 		extent refs 2 gen 1 flags 1
[  360.671710] 		ref#0: extent data backref root 256 objectid 257 offset 2714120192 count 1
[  360.671712] 		ref#1: extent data backref root 5 objectid 346550 offset 0 count 1
[  360.671715] 	item 28 key (2715340800 168 143360) itemoff 13905 itemsize 82
[  360.671717] 		extent refs 2 gen 1 flags 1
[  360.671718] 		ref#0: extent data backref root 256 objectid 257 offset 2714292224 count 1
[  360.671720] 		ref#1: extent data backref root 5 objectid 346965 offset 0 count 1
[  360.671724] 	item 29 key (2715484160 168 229376) itemoff 13823 itemsize 82
[  360.671725] 		extent refs 2 gen 1 flags 1
[  360.671726] 		ref#0: extent data backref root 256 objectid 257 offset 2714435584 count 1
[  360.671729] 		ref#1: extent data backref root 5 objectid 346478 offset 0 count 1
[  360.671732] 	item 30 key (2715713536 168 278528) itemoff 13741 itemsize 82
[  360.671734] 		extent refs 2 gen 1 flags 1
[  360.671735] 		ref#0: extent data backref root 256 objectid 257 offset 2714664960 count 1
[  360.671737] 		ref#1: extent data backref root 5 objectid 276582 offset 0 count 1
[  360.671740] 	item 31 key (2715992064 168 253952) itemoff 13659 itemsize 82
[  360.671742] 		extent refs 2 gen 1 flags 1
[  360.671743] 		ref#0: extent data backref root 256 objectid 257 offset 2714943488 count 1
[  360.671745] 		ref#1: extent data backref root 5 objectid 347088 offset 0 count 1
[  360.671749] 	item 32 key (2716246016 168 131072) itemoff 13577 itemsize 82
[  360.671750] 		extent refs 2 gen 1 flags 1
[  360.671751] 		ref#0: extent data backref root 256 objectid 257 offset 2715197440 count 1
[  360.671754] 		ref#1: extent data backref root 5 objectid 275379 offset 0 count 1
[  360.671757] 	item 33 key (2716377088 168 139264) itemoff 13495 itemsize 82
[  360.671758] 		extent refs 2 gen 1 flags 1
[  360.671759] 		ref#0: extent data backref root 256 objectid 257 offset 2715328512 count 1
[  360.671762] 		ref#1: extent data backref root 5 objectid 346559 offset 0 count 1
[  360.671765] 	item 34 key (2716516352 168 237568) itemoff 13413 itemsize 82
[  360.671767] 		extent refs 2 gen 1 flags 1
[  360.671768] 		ref#0: extent data backref root 256 objectid 257 offset 2715467776 count 1
[  360.671770] 		ref#1: extent data backref root 5 objectid 346616 offset 0 count 1
[  360.671774] 	item 35 key (2716753920 168 196608) itemoff 13331 itemsize 82
[  360.671775] 		extent refs 2 gen 1 flags 1
[  360.671776] 		ref#0: extent data backref root 256 objectid 257 offset 2715705344 count 1
[  360.671778] 		ref#1: extent data backref root 5 objectid 275468 offset 0 count 1
[  360.671782] 	item 36 key (2716950528 168 253952) itemoff 13249 itemsize 82
[  360.671783] 		extent refs 2 gen 1 flags 1
[  360.671784] 		ref#0: extent data backref root 256 objectid 257 offset 2715901952 count 1
[  360.671787] 		ref#1: extent data backref root 5 objectid 349275 offset 0 count 1
[  360.671790] 	item 37 key (2717204480 168 204800) itemoff 13167 itemsize 82
[  360.671792] 		extent refs 2 gen 1 flags 1
[  360.671793] 		ref#0: extent data backref root 256 objectid 257 offset 2716155904 count 1
[  360.671795] 		ref#1: extent data backref root 5 objectid 347503 offset 0 count 1
[  360.671799] 	item 38 key (2717409280 168 184320) itemoff 13085 itemsize 82
[  360.671800] 		extent refs 2 gen 1 flags 1
[  360.671801] 		ref#0: extent data backref root 256 objectid 257 offset 2716360704 count 1
[  360.671804] 		ref#1: extent data backref root 5 objectid 283634 offset 0 count 1
[  360.671807] 	item 39 key (2717593600 168 212992) itemoff 13003 itemsize 82
[  360.671809] 		extent refs 2 gen 1 flags 1
[  360.671810] 		ref#0: extent data backref root 256 objectid 257 offset 2716545024 count 1
[  360.671812] 		ref#1: extent data backref root 5 objectid 347547 offset 0 count 1
[  360.671815] 	item 40 key (2717806592 168 217088) itemoff 12921 itemsize 82
[  360.671817] 		extent refs 2 gen 1 flags 1
[  360.671818] 		ref#0: extent data backref root 256 objectid 257 offset 2716758016 count 1
[  360.671820] 		ref#1: extent data backref root 5 objectid 346781 offset 0 count 1
[  360.671824] 	item 41 key (2718023680 168 4096) itemoff 12868 itemsize 53
[  360.671826] 		extent refs 1 gen 59 flags 1
[  360.671827] 		ref#0: extent data backref root 5 objectid 770818 offset 0 count 1
[  360.671830] 	item 42 key (2718027776 168 4096) itemoff 12815 itemsize 53
[  360.671832] 		extent refs 1 gen 59 flags 1
[  360.671833] 		ref#0: extent data backref root 5 objectid 770819 offset 0 count 1
[  360.671837] 	item 43 key (2718031872 168 4096) itemoff 12762 itemsize 53
[  360.671838] 		extent refs 1 gen 59 flags 1
[  360.671839] 		ref#0: extent data backref root 5 objectid 770820 offset 0 count 1
[  360.671842] 	item 44 key (2718035968 168 4096) itemoff 12709 itemsize 53
[  360.671844] 		extent refs 1 gen 59 flags 1
[  360.671845] 		ref#0: extent data backref root 5 objectid 770821 offset 0 count 1
[  360.671848] 	item 45 key (2718040064 168 4096) itemoff 12656 itemsize 53
[  360.671850] 		extent refs 1 gen 59 flags 1
[  360.671851] 		ref#0: extent data backref root 5 objectid 770822 offset 0 count 1
[  360.671854] 	item 46 key (2718044160 168 4096) itemoff 12603 itemsize 53
[  360.671856] 		extent refs 1 gen 59 flags 1
[  360.671857] 		ref#0: extent data backref root 5 objectid 770823 offset 0 count 1
[  360.671860] 	item 47 key (2718048256 168 8192) itemoff 12550 itemsize 53
[  360.671862] 		extent refs 1 gen 1 flags 1
[  360.671863] 		ref#0: extent data backref root 256 objectid 257 offset 2716999680 count 1
[  360.671866] 	item 48 key (2718056448 168 16384) itemoff 12468 itemsize 82
[  360.671868] 		extent refs 2 gen 1 flags 1
[  360.671869] 		ref#0: extent data backref root 256 objectid 257 offset 2717007872 count 1
[  360.671871] 		ref#1: extent data backref root 5 objectid 353629 offset 0 count 1
[  360.671875] 	item 49 key (2718072832 168 4096) itemoff 12415 itemsize 53
[  360.671876] 		extent refs 1 gen 1 flags 1
[  360.671877] 		ref#0: extent data backref root 256 objectid 257 offset 2717024256 count 1
[  360.671881] 	item 50 key (2718076928 168 176128) itemoff 12333 itemsize 82
[  360.671882] 		extent refs 2 gen 1 flags 1
[  360.671883] 		ref#0: extent data backref root 256 objectid 257 offset 2717028352 count 1
[  360.671886] 		ref#1: extent data backref root 5 objectid 715311 offset 0 count 1
[  360.671889] 	item 51 key (2718253056 168 237568) itemoff 12251 itemsize 82
[  360.671891] 		extent refs 2 gen 1 flags 1
[  360.671892] 		ref#0: extent data backref root 256 objectid 257 offset 2717204480 count 1
[  360.671894] 		ref#1: extent data backref root 5 objectid 346772 offset 0 count 1
[  360.671898] 	item 52 key (2718490624 168 282624) itemoff 12169 itemsize 82
[  360.671899] 		extent refs 2 gen 1 flags 1
[  360.671901] 		ref#0: extent data backref root 256 objectid 257 offset 2717442048 count 1
[  360.671903] 		ref#1: extent data backref root 5 objectid 347550 offset 0 count 1
[  360.671906] 	item 53 key (2718773248 168 258048) itemoff 12087 itemsize 82
[  360.671908] 		extent refs 2 gen 1 flags 1
[  360.671909] 		ref#0: extent data backref root 256 objectid 257 offset 2717724672 count 1
[  360.671911] 		ref#1: extent data backref root 5 objectid 346873 offset 0 count 1
[  360.671915] 	item 54 key (2719031296 168 188416) itemoff 12005 itemsize 82
[  360.671916] 		extent refs 2 gen 1 flags 1
[  360.671917] 		ref#0: extent data backref root 256 objectid 257 offset 2717982720 count 1
[  360.671920] 		ref#1: extent data backref root 5 objectid 346874 offset 0 count 1
[  360.671923] 	item 55 key (2719219712 168 225280) itemoff 11923 itemsize 82
[  360.671925] 		extent refs 2 gen 1 flags 1
[  360.671926] 		ref#0: extent data backref root 256 objectid 257 offset 2718171136 count 1
[  360.671928] 		ref#1: extent data backref root 5 objectid 346875 offset 0 count 1
[  360.671931] 	item 56 key (2719444992 168 229376) itemoff 11841 itemsize 82
[  360.671933] 		extent refs 2 gen 1 flags 1
[  360.671934] 		ref#0: extent data backref root 256 objectid 257 offset 2718396416 count 1
[  360.671936] 		ref#1: extent data backref root 5 objectid 347504 offset 0 count 1
[  360.671940] 	item 57 key (2719674368 168 163840) itemoff 11759 itemsize 82
[  360.671941] 		extent refs 2 gen 1 flags 1
[  360.671942] 		ref#0: extent data backref root 256 objectid 257 offset 2718625792 count 1
[  360.671945] 		ref#1: extent data backref root 5 objectid 346880 offset 0 count 1
[  360.671948] 	item 58 key (2719838208 168 229376) itemoff 11677 itemsize 82
[  360.671950] 		extent refs 2 gen 1 flags 1
[  360.671951] 		ref#0: extent data backref root 256 objectid 257 offset 2718789632 count 1
[  360.671953] 		ref#1: extent data backref root 5 objectid 346996 offset 0 count 1
[  360.671956] 	item 59 key (2720067584 168 184320) itemoff 11595 itemsize 82
[  360.671958] 		extent refs 2 gen 1 flags 1
[  360.671959] 		ref#0: extent data backref root 256 objectid 257 offset 2719019008 count 1
[  360.671961] 		ref#1: extent data backref root 5 objectid 275470 offset 0 count 1
[  360.671965] 	item 60 key (2720251904 168 200704) itemoff 11513 itemsize 82
[  360.671966] 		extent refs 2 gen 1 flags 1
[  360.671967] 		ref#0: extent data backref root 256 objectid 257 offset 2719203328 count 1
[  360.671970] 		ref#1: extent data backref root 5 objectid 289806 offset 0 count 1
[  360.671973] 	item 61 key (2720452608 168 118784) itemoff 11431 itemsize 82
[  360.671975] 		extent refs 2 gen 1 flags 1
[  360.671976] 		ref#0: extent data backref root 256 objectid 257 offset 2719404032 count 1
[  360.671978] 		ref#1: extent data backref root 5 objectid 347475 offset 0 count 1
[  360.671981] 	item 62 key (2720571392 168 86016) itemoff 11349 itemsize 82
[  360.671983] 		extent refs 2 gen 1 flags 1
[  360.671984] 		ref#0: extent data backref root 256 objectid 257 offset 2719522816 count 1
[  360.671986] 		ref#1: extent data backref root 5 objectid 331219 offset 0 count 1
[  360.671990] 	item 63 key (2720657408 168 40960) itemoff 11267 itemsize 82
[  360.671991] 		extent refs 2 gen 1 flags 1
[  360.671992] 		ref#0: extent data backref root 256 objectid 257 offset 2719608832 count 1
[  360.671995] 		ref#1: extent data backref root 5 objectid 360351 offset 0 count 1
[  360.671998] 	item 64 key (2720698368 168 4096) itemoff 11214 itemsize 53
[  360.672000] 		extent refs 1 gen 59 flags 1
[  360.672001] 		ref#0: extent data backref root 5 objectid 770813 offset 0 count 1
[  360.672004] 	item 65 key (2720702464 168 4096) itemoff 11161 itemsize 53
[  360.672006] 		extent refs 1 gen 59 flags 1
[  360.672007] 		ref#0: extent data backref root 5 objectid 770814 offset 0 count 1
[  360.672010] 	item 66 key (2720706560 168 32768) itemoff 11108 itemsize 53
[  360.672012] 		extent refs 1 gen 1 flags 1
[  360.672013] 		ref#0: extent data backref root 256 objectid 257 offset 2719657984 count 1
[  360.672016] 	item 67 key (2720739328 168 245760) itemoff 11026 itemsize 82
[  360.672018] 		extent refs 2 gen 1 flags 1
[  360.672019] 		ref#0: extent data backref root 256 objectid 257 offset 2719690752 count 1
[  360.672021] 		ref#1: extent data backref root 5 objectid 274576 offset 0 count 1
[  360.672024] 	item 68 key (2720985088 168 237568) itemoff 10944 itemsize 82
[  360.672026] 		extent refs 2 gen 1 flags 1
[  360.672027] 		ref#0: extent data backref root 256 objectid 257 offset 2719936512 count 1
[  360.672029] 		ref#1: extent data backref root 5 objectid 347254 offset 0 count 1
[  360.672033] 	item 69 key (2721222656 168 253952) itemoff 10862 itemsize 82
[  360.672034] 		extent refs 2 gen 1 flags 1
[  360.672035] 		ref#0: extent data backref root 256 objectid 257 offset 2720174080 count 1
[  360.672038] 		ref#1: extent data backref root 5 objectid 347609 offset 0 count 1
[  360.672041] 	item 70 key (2721476608 168 208896) itemoff 10780 itemsize 82
[  360.672042] 		extent refs 2 gen 1 flags 1
[  360.672043] 		ref#0: extent data backref root 256 objectid 257 offset 2720428032 count 1
[  360.672046] 		ref#1: extent data backref root 5 objectid 347898 offset 0 count 1
[  360.672049] 	item 71 key (2721685504 168 131072) itemoff 10698 itemsize 82
[  360.672051] 		extent refs 2 gen 1 flags 1
[  360.672052] 		ref#0: extent data backref root 256 objectid 257 offset 2720636928 count 1
[  360.672054] 		ref#1: extent data backref root 5 objectid 347469 offset 0 count 1
[  360.672058] 	item 72 key (2721816576 168 20480) itemoff 10616 itemsize 82
[  360.672059] 		extent refs 2 gen 1 flags 1
[  360.672060] 		ref#0: extent data backref root 256 objectid 257 offset 2720768000 count 1
[  360.672063] 		ref#1: extent data backref root 5 objectid 360842 offset 0 count 1
[  360.672066] 	item 73 key (2721837056 168 67108864) itemoff 10563 itemsize 53
[  360.672068] 		extent refs 1 gen 1 flags 1
[  360.672069] 		ref#0: extent data backref root 256 objectid 257 offset 2720788480 count 1
[  360.672072] 	item 74 key (2788945920 168 49152) itemoff 10481 itemsize 82
[  360.672074] 		extent refs 2 gen 1 flags 1
[  360.672075] 		ref#0: extent data backref root 256 objectid 257 offset 2787897344 count 1
[  360.672077] 		ref#1: extent data backref root 5 objectid 360405 offset 0 count 1
[  360.672080] 	item 75 key (2788995072 168 20480) itemoff 10373 itemsize 108
[  360.672082] 		extent refs 4 gen 1 flags 1
[  360.672083] 		ref#0: extent data backref root 256 objectid 257 offset 2787946496 count 1
[  360.672085] 		ref#1: extent data backref root 5 objectid 187062 offset 0 count 1
[  360.672088] 		ref#2: shared data backref parent 4930198110208 count 1
[  360.672090] 		ref#3: shared data backref parent 4920217108480 count 1
[  360.672094] 	item 76 key (2789015552 168 19255296) itemoff 10291 itemsize 82
[  360.672095] 		extent refs 2 gen 1 flags 1
[  360.672096] 		ref#0: extent data backref root 256 objectid 257 offset 2787966976 count 1
[  360.672099] 		ref#1: extent data backref root 5 objectid 340503 offset 0 count 1
[  360.672102] 	item 77 key (2808270848 168 12288) itemoff 10238 itemsize 53
[  360.672104] 		extent refs 1 gen 1 flags 1
[  360.672105] 		ref#0: extent data backref root 256 objectid 257 offset 2807222272 count 1
[  360.672108] 	item 78 key (2808283136 168 266240) itemoff 10156 itemsize 82
[  360.672110] 		extent refs 2 gen 1 flags 1
[  360.672111] 		ref#0: extent data backref root 256 objectid 257 offset 2807234560 count 1
[  360.672113] 		ref#1: extent data backref root 5 objectid 347625 offset 0 count 1
[  360.672116] 	item 79 key (2808549376 168 274432) itemoff 10074 itemsize 82
[  360.672118] 		extent refs 2 gen 1 flags 1
[  360.672119] 		ref#0: extent data backref root 256 objectid 257 offset 2807500800 count 1
[  360.672121] 		ref#1: extent data backref root 5 objectid 349471 offset 0 count 1
[  360.672125] 	item 80 key (2808823808 168 225280) itemoff 9992 itemsize 82
[  360.672126] 		extent refs 2 gen 1 flags 1
[  360.672127] 		ref#0: extent data backref root 256 objectid 257 offset 2807775232 count 1
[  360.672130] 		ref#1: extent data backref root 5 objectid 347754 offset 0 count 1
[  360.672133] 	item 81 key (2809049088 168 176128) itemoff 9910 itemsize 82
[  360.672135] 		extent refs 2 gen 1 flags 1
[  360.672136] 		ref#0: extent data backref root 256 objectid 257 offset 2808000512 count 1
[  360.672138] 		ref#1: extent data backref root 5 objectid 715327 offset 0 count 1
[  360.672143] BTRFS error (device sdb2): unable to find ref byte nr 2788995072 parent 0 root 5  owner 187062 offset 0
[  360.672144] ------------[ cut here ]------------

May 10 '21 10:05 josejl1987

@josejl1987 - I'm fairly sure this is unrelated, please open a new issue for this (including the output of btrfs check)

@EmilHeilbo - thank. I've done some digging, and it looks like at some point you've added the mount option inode_cache, which I didn't know about. I'll have to add in some code to handle this.

May 10 '21 11:05 maharmstone

@maharmstone - I'll be honest, I completely forgot I'd ever used inode_cache; considering it's not recommended that you use it (as it can apparently cause an overflow when the free space checksums can't fit within a single page) I'm guessing that's the source of my problems... On another note, it seems to not take into account that I've mounted it with noatime in the past, as the tree dump shows items with atime timestamps after it became unmountable in Linux; maybe it's because I haven't always used noatime?

Welp, seems like I've made another mistake; I used btrfs rescue chunk-recover /dev/sdb to see if that made a difference. Spoiler alert, it didn't fix the invalid objectid problem, but now I get a BSOD every time I try to access it. I've uninstalled the driver for now so I can recover & format without the issue rearing its ugly head again; so far the issue seems to be weird handling of Windows creating Windows-specific directories (System Volume Information, $RECYCLE.BIN, etc.) when inode_cache is enabled.

Maybe I should just set up Single GPU Passthrough on my VM, then I'd at least have access to my files on Windows; just gotta find a way to fix a certain btrfs+SMB-specific issue first ^^'

May 10 '21 12:05 EmilHeilbo

I'm encountering the exact same issue as the original author. The drive reads just fine when running Windows, but not when I boot into a Linux Live CD. When I try to mount it on Linux, I get an error message that it's an unrecognized file system.

I was able to run the scrub command from Windows, as it's mounted read/write there. That finished with no errors, but when I booted into Linux, I still had the same problem.

When I try to mount it using btrfs restore, I get an error message that there isn't enough free space on the drive and only a tiny number of my files show up.

@maharmstone What is causing the issue, and how can it be fixed? (The drive was originally formatted as NTFS but was converted using your ntfs2btrfs tool; I deleted the original NTFS image it left behind. The data on it is non-critical; as a last resort, I can completely reformat and regenerate the data.)

Jun 04 '21 21:06 gparyani

@gparyani - what does dmesg say when you run mount?

Jun 07 '21 21:06 maharmstone

@maharmstone I ended up resolving the issue by running a balance operation on the data and metadata from within Windows, and waiting two complete days for the process to complete. It's now mounting just fine under a Lubuntu 21.04 Live CD.

Unfortunately, I did not keep track of the output before starting that process, as I had already started it when you left that comment.

Jun 10 '21 02:06 gparyani

I'm having the same problem with mounting my BTRFS disk under Linux. It works fine under Windows, but under Linux it get the following message in dmesg,

[  121.897571] BTRFS info (device sdb4): disk space caching is enabled
[  121.897573] BTRFS info (device sdb4): has skinny extents
[  121.919365] BTRFS critical (device sdb4): corrupt leaf: root=2 block=7229554688 slot=152 bg_start=228729028608 bg_len=1051721728, invalid block group used, have 18446744073038462976 expect [0, 1051721728)
[  121.919370] BTRFS error (device sdb4): block=7229554688 read time tree block corruption detected
[  121.919381] BTRFS error (device sdb4): failed to read block groups: -5
[  121.940437] BTRFS error (device sdb4): open_ctree failed

I haven't done a rebalance or anything as of yet. If there is anything you'd like me to try, let me know.

Jun 27 '21 20:06 ScottMorris

I am getting the same issue here when I mount in Linux (kernel 5.12.12-arch1-1) after using the drive in Windows. I want to say this started happening after I switched to space_cache=v2 but I can't be sure.

Jun 30 10:36:42 hostname kernel: BTRFS critical (device sdc1): corrupt leaf: root=2 block=3052272009216 slot=37 bg_start=1331461881856 bg_len=1073741824, invalid block group used, have 1075998720 expect [0, 1073741824)
Jun 30 10:36:42 hostname kernel: BTRFS info (device sdc1): leaf 3052272009216 gen 9270 total ptrs 140 free space 1042 owner 2
Jun 30 10:36:42 hostname kernel:         item 0 key (1330134982656 168 1175552) itemoff 16230 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2734686208 count 1
Jun 30 10:36:42 hostname kernel:         item 1 key (1330140274688 168 3141632) itemoff 16119 itemsize 111
Jun 30 10:36:42 hostname kernel:                 extent refs 3 gen 8924 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1140850688 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 488636416 count 1
Jun 30 10:36:42 hostname kernel:                 ref#2: extent data backref root 5 objectid 69608 offset 828375040 count 1
Jun 30 10:36:42 hostname kernel:         item 2 key (1330143416320 168 131072) itemoff 16066 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8914 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 489680896 count 1
Jun 30 10:36:42 hostname kernel:         item 3 key (1330144563200 168 1175552) itemoff 15984 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8926 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 255852544 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2722103296 count 1
Jun 30 10:36:42 hostname kernel:         item 4 key (1330150723584 168 3145728) itemoff 15902 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8913 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1169158144 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 1646260224 count 1
Jun 30 10:36:42 hostname kernel:         item 5 key (1330153869312 168 131072) itemoff 15849 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8914 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1143992320 count 1
Jun 30 10:36:42 hostname kernel:         item 6 key (1330161057792 168 643072) itemoff 15767 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2689507328 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2235035648 count 1
Jun 30 10:36:42 hostname kernel:         item 7 key (1330173861888 168 917504) itemoff 15714 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8913 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2723278848 count 1
Jun 30 10:36:42 hostname kernel:         item 8 key (1330174779392 168 36864) itemoff 15661 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8914 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2555162624 count 1
Jun 30 10:36:42 hostname kernel:         item 9 key (1330174816256 168 28672) itemoff 15434 itemsize 227
Jun 30 10:36:42 hostname kernel:                 extent refs 7 gen 8914 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 1749000192 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69602 offset 1650450432 count 1
Jun 30 10:36:42 hostname kernel:                 ref#2: extent data backref root 5 objectid 69602 offset 1757384704 count 1
Jun 30 10:36:42 hostname kernel:                 ref#3: extent data backref root 5 objectid 69602 offset 1551888384 count 1
Jun 30 10:36:42 hostname kernel:                 ref#4: extent data backref root 5 objectid 69602 offset 1686097920 count 1
Jun 30 10:36:42 hostname kernel:                 ref#5: extent data backref root 5 objectid 69602 offset 1744809984 count 1
Jun 30 10:36:42 hostname kernel:                 ref#6: extent data backref root 5 objectid 69602 offset 1700773888 count 1
Jun 30 10:36:42 hostname kernel:         item 10 key (1330174844928 168 4096) itemoff 15381 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8914 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 10481664 count 1
Jun 30 10:36:42 hostname kernel:         item 11 key (1330181836800 168 1966080) itemoff 15299 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8924 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 923791360 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 1482813440 count 1
Jun 30 10:36:42 hostname kernel:         item 12 key (1330183823360 168 20480) itemoff 15246 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8921 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 924839936 count 1
Jun 30 10:36:42 hostname kernel:         item 13 key (1330184867840 168 2097152) itemoff 15164 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8913 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2387603456 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2405429248 count 1
Jun 30 10:36:42 hostname kernel:         item 14 key (1330186964992 168 1032192) itemoff 15082 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8914 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2007711744 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2378133504 count 1
Jun 30 10:36:42 hostname kernel:         item 15 key (1330191032320 168 1048576) itemoff 15000 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8924 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2080370688 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2386554880 count 1
Jun 30 10:36:42 hostname kernel:         item 16 key (1330193084416 168 622592) itemoff 14918 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8923 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2220261376 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2234941440 count 1
Jun 30 10:36:42 hostname kernel:         item 17 key (1330194710528 168 1048576) itemoff 14836 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8919 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2304765952 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2371874816 count 1
Jun 30 10:36:42 hostname kernel:         item 18 key (1330196807680 168 4096) itemoff 14783 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8920 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 612364288 count 1
Jun 30 10:36:42 hostname kernel:         item 19 key (1330196811776 168 2093056) itemoff 14701 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8919 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2567962624 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2520776704 count 1
Jun 30 10:36:42 hostname kernel:         item 20 key (1330198904832 168 1048576) itemoff 14648 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8913 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 256897024 count 1
Jun 30 10:36:42 hostname kernel:         item 21 key (1330201092096 168 1835008) itemoff 14537 itemsize 111
Jun 30 10:36:42 hostname kernel:                 extent refs 3 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2303209472 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2324180992 count 1
Jun 30 10:36:42 hostname kernel:                 ref#2: extent data backref root 5 objectid 69608 offset 409387008 count 1
Jun 30 10:36:42 hostname kernel:         item 22 key (1330204991488 168 9428992) itemoff 14310 itemsize 227
Jun 30 10:36:42 hostname kernel:                 extent refs 7 gen 8914 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 1734348800 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69602 offset 1678774272 count 1
Jun 30 10:36:42 hostname kernel:                 ref#2: extent data backref root 5 objectid 69602 offset 1692405760 count 1
Jun 30 10:36:42 hostname kernel:                 ref#3: extent data backref root 5 objectid 69602 offset 1675632640 count 1
Jun 30 10:36:42 hostname kernel:                 ref#4: extent data backref root 5 objectid 69602 offset 1668665344 count 1
Jun 30 10:36:42 hostname kernel:                 ref#5: extent data backref root 5 objectid 69602 offset 1714425856 count 1
Jun 30 10:36:42 hostname kernel:                 ref#6: extent data backref root 5 objectid 69602 offset 1648361472 count 1
Jun 30 10:36:42 hostname kernel:         item 23 key (1330214424576 168 2093056) itemoff 14228 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8914 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 1757413376 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69602 offset 1755316224 count 1
Jun 30 10:36:42 hostname kernel:         item 24 key (1330216517632 168 3448832) itemoff 14117 itemsize 111
Jun 30 10:36:42 hostname kernel:                 extent refs 3 gen 8914 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 45207552 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69602 offset 8388608 count 1
Jun 30 10:36:42 hostname kernel:                 ref#2: extent data backref root 5 objectid 69602 offset 51499008 count 1
Jun 30 10:36:42 hostname kernel:         item 25 key (1330219970560 168 15515648) itemoff 13716 itemsize 401
Jun 30 10:36:42 hostname kernel:                 extent refs 13 gen 8914 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 414035968 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69602 offset 372092928 count 1
Jun 30 10:36:42 hostname kernel:                 ref#2: extent data backref root 5 objectid 69602 offset 290725888 count 1
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Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2004672512 count 1
Jun 30 10:36:42 hostname kernel:         item 84 key (1333072400384 168 2097152) itemoff 8675 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2406903808 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2392846336 count 1
Jun 30 10:36:42 hostname kernel:         item 85 key (1333079744512 168 2093056) itemoff 8593 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8923 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2411724800 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2429550592 count 1
Jun 30 10:36:42 hostname kernel:         item 86 key (1333084987392 168 1044480) itemoff 8540 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8920 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1988100096 count 1
Jun 30 10:36:42 hostname kernel:         item 87 key (1333096521728 168 1044480) itemoff 8487 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8916 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1975517184 count 1
Jun 30 10:36:42 hostname kernel:         item 88 key (1333099667456 168 1044480) itemoff 8434 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8920 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1971322880 count 1
Jun 30 10:36:42 hostname kernel:         item 89 key (1333101760512 168 4194304) itemoff 8323 itemsize 111
Jun 30 10:36:42 hostname kernel:                 extent refs 3 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1825566720 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 1812987904 count 1
Jun 30 10:36:42 hostname kernel:                 ref#2: extent data backref root 5 objectid 69608 offset 1920987136 count 1
Jun 30 10:36:42 hostname kernel:         item 90 key (1333107003392 168 1048576) itemoff 8270 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1811939328 count 1
Jun 30 10:36:42 hostname kernel:         item 91 key (1333111197696 168 1048576) itemoff 8217 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1769992192 count 1
Jun 30 10:36:42 hostname kernel:         item 92 key (1333113298944 168 1044480) itemoff 8164 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8919 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1725956096 count 1
Jun 30 10:36:42 hostname kernel:         item 93 key (1333124833280 168 1044480) itemoff 8111 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8919 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1663041536 count 1
Jun 30 10:36:42 hostname kernel:         item 94 key (1333130072064 168 3145728) itemoff 8000 itemsize 111
Jun 30 10:36:42 hostname kernel:                 extent refs 3 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1335881728 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 1290792960 count 1
Jun 30 10:36:42 hostname kernel:                 ref#2: extent data backref root 5 objectid 69608 offset 1211756544 count 1
Jun 30 10:36:42 hostname kernel:         item 95 key (1333134266368 168 3145728) itemoff 7860 itemsize 140
Jun 30 10:36:42 hostname kernel:                 extent refs 4 gen 8926 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1356853248 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 1400893440 count 1
Jun 30 10:36:42 hostname kernel:                 ref#2: extent data backref root 5 objectid 69608 offset 528478208 count 1
Jun 30 10:36:42 hostname kernel:                 ref#3: extent data backref root 5 objectid 69608 offset 1407188992 count 1
Jun 30 10:36:42 hostname kernel:         item 96 key (1333139509248 168 2097152) itemoff 7778 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2431643648 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2471489536 count 1
Jun 30 10:36:42 hostname kernel:         item 97 key (1333157273600 168 4190208) itemoff 7638 itemsize 140
Jun 30 10:36:42 hostname kernel:                 extent refs 4 gen 8924 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1986002944 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 1927282688 count 1
Jun 30 10:36:42 hostname kernel:                 ref#2: extent data backref root 5 objectid 69608 offset 1971322880 count 1
Jun 30 10:36:42 hostname kernel:                 ref#3: extent data backref root 5 objectid 69608 offset 1974468608 count 1
Jun 30 10:36:42 hostname kernel:         item 98 key (1333163565056 168 1044480) itemoff 7585 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8920 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1585446912 count 1
Jun 30 10:36:42 hostname kernel:         item 99 key (1333165662208 168 1044480) itemoff 7532 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1568669696 count 1
Jun 30 10:36:42 hostname kernel:         item 100 key (1333167755264 168 2088960) itemoff 7450 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2563772416 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2556424192 count 1
Jun 30 10:36:42 hostname kernel:         item 101 key (1333175881728 168 2097152) itemoff 7368 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2703224832 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2720002048 count 1
Jun 30 10:36:42 hostname kernel:         item 102 key (1333177978880 168 4448256) itemoff 7199 itemsize 169
Jun 30 10:36:42 hostname kernel:                 extent refs 5 gen 8917 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 395309056 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 339734528 count 1
Jun 30 10:36:42 hostname kernel:                 ref#2: extent data backref root 5 objectid 69608 offset 428863488 count 1
Jun 30 10:36:42 hostname kernel:                 ref#3: extent data backref root 5 objectid 69608 offset 972136448 count 1
Jun 30 10:36:42 hostname kernel:                 ref#4: extent data backref root 5 objectid 69608 offset 246411264 count 1
Jun 30 10:36:42 hostname kernel:         item 103 key (1333183483904 168 1044480) itemoff 7146 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1463812096 count 1
Jun 30 10:36:42 hostname kernel:         item 104 key (1333188726784 168 1044480) itemoff 7093 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8921 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1421869056 count 1
Jun 30 10:36:42 hostname kernel:         item 105 key (1333192921088 168 2093056) itemoff 7011 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8919 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2610954240 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2651848704 count 1
Jun 30 10:36:42 hostname kernel:         item 106 key (1333204455424 168 5234688) itemoff 6842 itemsize 169
Jun 30 10:36:42 hostname kernel:                 extent refs 5 gen 8919 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2322210816 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2256535552 count 1
Jun 30 10:36:42 hostname kernel:                 ref#2: extent data backref root 5 objectid 69608 offset 2288181248 count 1
Jun 30 10:36:42 hostname kernel:                 ref#3: extent data backref root 5 objectid 69608 offset 2277519360 count 1
Jun 30 10:36:42 hostname kernel:                 ref#4: extent data backref root 5 objectid 69608 offset 2267004928 count 1
Jun 30 10:36:42 hostname kernel:         item 107 key (1333211791360 168 3141632) itemoff 6760 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8923 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1417674752 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 1420820480 count 1
Jun 30 10:36:42 hostname kernel:         item 108 key (1333218082816 168 2093056) itemoff 6678 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8922 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2696937472 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2712666112 count 1
Jun 30 10:36:42 hostname kernel:         item 109 key (1333227520000 168 1044480) itemoff 6625 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8921 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1400897536 count 1
Jun 30 10:36:42 hostname kernel:         item 110 key (1333229613056 168 3952640) itemoff 6514 itemsize 111
Jun 30 10:36:42 hostname kernel:                 extent refs 3 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2003824640 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2084806656 count 1
Jun 30 10:36:42 hostname kernel:                 ref#2: extent data backref root 5 objectid 69608 offset 2065690624 count 1
Jun 30 10:36:42 hostname kernel:         item 111 key (1333233569792 168 225280) itemoff 6461 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8922 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1883242496 count 1
Jun 30 10:36:42 hostname kernel:         item 112 key (1333234855936 168 1048576) itemoff 6408 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1393541120 count 1
Jun 30 10:36:42 hostname kernel:         item 113 key (1333244293120 168 2097152) itemoff 6326 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2718953472 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2714759168 count 1
Jun 30 10:36:42 hostname kernel:         item 114 key (1333247442944 168 1044480) itemoff 6273 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8919 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 1285554176 count 1
Jun 30 10:36:42 hostname kernel:         item 115 key (1333250588672 168 2093056) itemoff 6191 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8922 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1461714944 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 1479540736 count 1
Jun 30 10:36:42 hostname kernel:         item 116 key (1333252685824 168 1044480) itemoff 6138 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1546387456 count 1
Jun 30 10:36:42 hostname kernel:         item 117 key (1333260025856 168 2093056) itemoff 6056 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8926 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 245366784 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 338690048 count 1
Jun 30 10:36:42 hostname kernel:         item 118 key (1333266317312 168 2093056) itemoff 5974 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8917 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 472907776 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 396361728 count 1
Jun 30 10:36:42 hostname kernel:         item 119 key (1333270503424 168 4194304) itemoff 5834 itemsize 140
Jun 30 10:36:42 hostname kernel:                 extent refs 4 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2172645376 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 2221928448 count 1
Jun 30 10:36:42 hostname kernel:                 ref#2: extent data backref root 5 objectid 69608 offset 2207248384 count 1
Jun 30 10:36:42 hostname kernel:                 ref#3: extent data backref root 5 objectid 69608 offset 2127556608 count 1
Jun 30 10:36:42 hostname kernel:         item 120 key (1333275746304 168 1048576) itemoff 5781 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8914 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 1276116992 count 1
Jun 30 10:36:42 hostname kernel:         item 121 key (1333277843456 168 1048576) itemoff 5728 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8914 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 1112535040 count 1
Jun 30 10:36:42 hostname kernel:         item 122 key (1333279940608 168 1048576) itemoff 5675 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8914 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 1111486464 count 1
Jun 30 10:36:42 hostname kernel:         item 123 key (1333286232064 168 3104768) itemoff 5593 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 872415232 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 934277120 count 1
Jun 30 10:36:42 hostname kernel:         item 124 key (1333297725440 168 1048576) itemoff 5540 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8914 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 976220160 count 1
Jun 30 10:36:42 hostname kernel:         item 125 key (1333299826688 168 3141632) itemoff 5429 itemsize 111
Jun 30 10:36:42 hostname kernel:                 extent refs 3 gen 8924 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1551892480 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 1568669696 count 1
Jun 30 10:36:42 hostname kernel:                 ref#2: extent data backref root 5 objectid 69608 offset 1584398336 count 1
Jun 30 10:36:42 hostname kernel:         item 126 key (1333306118144 168 585728) itemoff 5376 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8919 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 775356416 count 1
Jun 30 10:36:42 hostname kernel:         item 127 key (1333306707968 168 360448) itemoff 5323 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8923 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 456814592 count 1
Jun 30 10:36:42 hostname kernel:         item 128 key (1333307080704 168 4096) itemoff 5270 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8924 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1828712448 count 1
Jun 30 10:36:42 hostname kernel:         item 129 key (1333307125760 168 8192) itemoff 5188 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8924 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 2646597632 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 1568665600 count 1
Jun 30 10:36:42 hostname kernel:         item 130 key (1333307154432 168 4096) itemoff 5135 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 134213632 count 1
Jun 30 10:36:42 hostname kernel:         item 131 key (1333310304256 168 1048576) itemoff 5082 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8914 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 416280576 count 1
Jun 30 10:36:42 hostname kernel:         item 132 key (1333312405504 168 1044480) itemoff 5029 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8922 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 314572800 count 1
Jun 30 10:36:42 hostname kernel:         item 133 key (1333314502656 168 1044480) itemoff 4976 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8919 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 1725956096 count 1
Jun 30 10:36:42 hostname kernel:         item 134 key (1333317648384 168 2093056) itemoff 4894 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8919 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 550502400 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 526385152 count 1
Jun 30 10:36:42 hostname kernel:         item 135 key (1333320790016 168 1048576) itemoff 4841 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8914 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 1722806272 count 1
Jun 30 10:36:42 hostname kernel:         item 136 key (1333322887168 168 2097152) itemoff 4759 itemsize 82
Jun 30 10:36:42 hostname kernel:                 extent refs 2 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 653258752 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 603979776 count 1
Jun 30 10:36:42 hostname kernel:         item 137 key (1333327081472 168 3145728) itemoff 4648 itemsize 111
Jun 30 10:36:42 hostname kernel:                 extent refs 3 gen 8915 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69608 offset 1693249536 count 1
Jun 30 10:36:42 hostname kernel:                 ref#1: extent data backref root 5 objectid 69608 offset 1664479232 count 1
Jun 30 10:36:42 hostname kernel:                 ref#2: extent data backref root 5 objectid 69608 offset 1664086016 count 1
Jun 30 10:36:42 hostname kernel:         item 138 key (1333332324352 168 1048576) itemoff 4595 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8914 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 1559228416 count 1
Jun 30 10:36:42 hostname kernel:         item 139 key (1333334421504 168 1048576) itemoff 4542 itemsize 53
Jun 30 10:36:42 hostname kernel:                 extent refs 1 gen 8914 flags 1
Jun 30 10:36:42 hostname kernel:                 ref#0: extent data backref root 5 objectid 69602 offset 1211101184 count 1
Jun 30 10:36:42 hostname kernel: BTRFS error (device sdc1): block=3052272009216 write time tree block corruption detected
Jun 30 10:36:42 hostname kernel: BTRFS: error (device sdc1) in btrfs_commit_transaction:2361: errno=-5 IO failure (Error while writing out transaction)
Jun 30 10:36:42 hostname kernel: BTRFS info (device sdc1): forced readonly
Jun 30 10:36:42 hostname kernel: BTRFS warning (device sdc1): Skipping commit of aborted transaction.
Jun 30 10:36:42 hostname kernel: BTRFS: error (device sdc1) in cleanup_transaction:1958: errno=-5 IO failure

Jun 30 '21 17:06 urbenlegend

Just reconfirmed that this bug also happens for space_cache=v1 :(

sudo btrfs check /dev/sdc1 gives me:

Opening filesystem to check...
Checking filesystem on /dev/sdc1
UUID: 10049fc4-499a-4bde-8820-5ccaa22862c6
[1/7] checking root items
[2/7] checking extents
[3/7] checking free space cache
there is no free space entry for 43071008768-43071135744
there is no free space entry for 43071008768-44045434880
cache appears valid but isn't 42971693056
there is no free space entry for 270799032320-270799163392
there is no free space entry for 270799032320-271678701568
cache appears valid but isn't 270604959744
[4/7] checking fs roots
[5/7] checking only csums items (without verifying data)
[6/7] checking root refs
[7/7] checking quota groups skipped (not enabled on this FS)
found 2724165423104 bytes used, error(s) found
total csum bytes: 2656926876
total tree bytes: 4158636032
total fs tree bytes: 594460672
total extent tree bytes: 552927232
btree space waste bytes: 524248524
file data blocks allocated: 4220555100160
 referenced 2752672178176

Jul 07 '21 01:07 urbenlegend

Can also confirm this is an issue. Repro steps unknown, however I get it usually when compiling C# with VS2022 on the btrfs drive, and then switching back to Linux.

[onni@onskankone ~]$ sudo btrfs check /dev/nvme0n1p1
Opening filesystem to check...
Checking filesystem on /dev/nvme0n1p1
UUID: c4b6cf40-6dbe-4206-a5bf-bb3bd54b4132
[1/7] checking root items
[2/7] checking extents
super bytes used 877396754432 mismatches actual used 876181946368
ERROR: errors found in extent allocation tree or chunk allocation
[3/7] checking free space tree
wanted bytes 12288, found 8192 for off 501883142144
wanted bytes 658440192, found 8192 for off 501883142144
cache appears valid but isn't 501467840512
there is no free space entry for 782689099776-782689103872
there is no free space entry for 782689099776-782788198400
cache appears valid but isn't 781714456576
free space info recorded 12 extents, counted 11
there is no free space entry for 805336772608-805336776704
cache appears valid but isn't 804263034880
[4/7] checking fs roots
[5/7] checking only csums items (without verifying data)
[6/7] checking root refs
[7/7] checking quota groups skipped (not enabled on this FS)
found 875929821184 bytes used, error(s) found
total csum bytes: 854464856
total tree bytes: 1209745408
total fs tree bytes: 126271488
total extent tree bytes: 59457536
btree space waste bytes: 186298639
file data blocks allocated: 1657594966016
 referenced 874525868032

Jan 23 '22 12:01 Rosentti

I am also experiencing this issue. On NixOS with Linux 5.15.10. WinBtrfs can mount it fine, but Linux can't, fails with:

Feb 16 20:52:42 lungmen kernel: BTRFS critical (device sdb1): corrupt leaf: root=2 block=4441686016 slot=3 bg_start=193885896704 bg_len=1073741824, invalid block group used, have 18446744073306898432 expect [0, 1073741824)
Feb 16 20:52:42 lungmen kernel: BTRFS error (device sdb1): block=4441686016 read time tree block corruption detected
Feb 16 20:52:42 lungmen kernel: BTRFS error (device sdb1): failed to read block groups: -5
Feb 16 20:52:42 lungmen kernel: BTRFS error (device sdb1): open_ctree failed

Result of sudo btrfs check /dev/sdb1:

Opening filesystem to check...
Checking filesystem on /dev/sdb1
UUID: f9b5f7f3-51e8-4357-8518-986b16311c71
[1/7] checking root items
[2/7] checking extents
block group [193885896704 1073741824] used 18446744073306898432 but extent items used 0
super bytes used 1654784 mismatches actual used 157937770496
ERROR: errors found in extent allocation tree or chunk allocation
[3/7] checking free space cache
block group 193885896704 has wrong amount of free space, free space cache has 1073741824 block group has 1476395008
failed to load free space cache for block group 193885896704
[4/7] checking fs roots
[5/7] checking only csums items (without verifying data)
[6/7] checking root refs
[7/7] checking quota groups skipped (not enabled on this FS)
found 157937770496 bytes used, error(s) found
total csum bytes: 153801024
total tree bytes: 392282112
total fs tree bytes: 159236096
total extent tree bytes: 39960576
btree space waste bytes: 67453074
file data blocks allocated: 168751521792
 referenced 165207318528

Feb 16 '22 18:02 yusdacra

I finally got rid of the "corrupt leaf" error by doing a Metadata and System Balance operation through Winbtrfs. This was not possible in Linux because of the errors and the read-only mount. I never did a btrfs check --repair.

After balance the critical error was gone and Linux mounted the filesystem writeable again. However, I got a different error message regarding the free space cache: "free space cache has more free space than block group item, this could leads to serious corruption, please contact btrfs developers".

After Metadata and System Balance I got:

$ sudo dmesg |grep BTRFS
[   36.834277] BTRFS: device label MyBackupDrive devid 1 transid 25742 /dev/sde1
[   36.852696] BTRFS: device label MyBackupDrive devid 2 transid 25742 /dev/sdd1
[   36.858128] BTRFS: device label MyBackupDrive devid 3 transid 25742 /dev/sdf1
[   46.441386] BTRFS info (device sde1): flagging fs with big metadata feature
[   46.441387] BTRFS info (device sde1): disk space caching is enabled
[   46.441388] BTRFS info (device sde1): has skinny extents
[   46.790702] BTRFS info (device sde1): bdev /dev/sdf1 errs: wr 0, rd 0, flush 0, corrupt 0, gen 3
[   52.421552] BTRFS info (device sde1): checking UUID tree
[   85.909750] BTRFS warning (device sde1): block group 1918807048192 has wrong amount of free space
[   85.909755] BTRFS warning (device sde1): failed to load free space cache for block group 1918807048192, rebuilding it now

$ sudo btrfs check /dev/sdd1
Opening filesystem to check...
Checking filesystem on /dev/sdd1
UUID: e36c85a0-2b1a-4f0c-88cd-07d0cc7eff9c
[1/7] checking root items
[2/7] checking extents
[3/7] checking free space cache
block group 2192611213312 has wrong amount of free space, free space cache has 13361152 block group has 18446744073709502464
ERROR: free space cache has more free space than block group item, this could leads to serious corruption, please contact btrfs developers
failed to load free space cache for block group 2192611213312
[4/7] checking fs roots
[5/7] checking only csums items (without verifying data)
[6/7] checking root refs
[7/7] checking quota groups skipped (not enabled on this FS)
found 2053891506176 bytes used, error(s) found
total csum bytes: 2003511968
total tree bytes: 2215297024
total fs tree bytes: 132202496
total extent tree bytes: 23871488
btree space waste bytes: 57123704
file data blocks allocated: 2417323646976
 referenced 2051676209152

Feb 16 '22 19:02 cooper2k4

Basically these things still happen on my system using WinBtrfs 1.8.2 and Linux 6.3.7. Especially after massive writes. Did anyone find a way to mitigate this?

Jun 10 '23 07:06 noradtux

Same issue. Completed btrfs check --repair, but still mounts ro as root in live linux, rw in livecd linux, rw in windows. BSOD "page_fault_in_nonpaged_area" when trying to rebalance in windows. Strange things happen even in linux (scrub, manjaro livecd, linux 6.1.25):

[ 1421.775944] ------------[ cut here ]------------
[ 1421.775946] WARNING: CPU: 0 PID: 3015 at fs/btrfs/block-group.c:4065 btrfs_free_block_groups+0x31a/0x3b0 [btrfs]
[ 1421.775996] Modules linked in: rfcomm sg qrtr cmac st algif_hash sr_mod algif_skcipher af_alg uvcvideo bnep videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc btusb btrtl btbcm btintel btmtk bluetooth ecdh_generic crc16 snd_hda_codec_hdmi intel_tcc_cooling iwlmvm x86_pkg_temp_thermal intel_powerclamp coretemp snd_ctl_led mac80211 kvm_intel snd_hda_codec_realtek libarc4 snd_hda_codec_generic kvm irqbypass snd_hda_intel crct10dif_pclmul joydev polyval_clmulni iwlwifi snd_intel_dspcfg snd_intel_sdw_acpi polyval_generic mousedev dell_laptop snd_hda_codec gf128mul cfg80211 processor_thermal_device_pci_legacy snd_hda_core iTCO_wdt ghash_clmulni_intel dell_wmi intel_pmc_bxt processor_thermal_device snd_hwdep snd_pcm processor_thermal_rfim snd_timer hid_multitouch iTCO_vendor_support ee1004 rapl mei_pxp dell_smm_hwmon intel_rapl_msr mei_hdcp snd intel_cstate psmouse intel_uncore soundcore dell_smbios processor_thermal_mbox ledtrig_audio i2c_hid_acpi rfkill
[ 1421.776027]  processor_thermal_rapl dcdbas intel_rapl_common i2c_hid wmi_bmof intel_lpss_pci pcspkr dell_wmi_descriptor intel_soc_dts_iosf intel_lpss mei_me int3403_thermal idma64 i2c_i801 intel_hid mei int3400_thermal int3402_thermal mac_hid i2c_smbus sparse_keymap intel_pch_thermal acpi_thermal_rel int340x_thermal_zone acpi_pad crypto_user fuse bpf_preload ip_tables x_tables overlay squashfs isofs cdrom exfat xxhash_generic vfat fat ums_realtek usbhid btrfs blake2b_generic xor raid6_pq uas libcrc32c usb_storage crc32c_generic i915 nouveau serio_raw crc32_pclmul atkbd crc32c_intel libps2 vivaldi_fmap sha512_ssse3 drm_buddy r8169 drm_ttm_helper realtek aesni_intel ttm mdio_devres crypto_simd cryptd drm_display_helper libphy xhci_pci cec intel_gtt xhci_pci_renesas mxm_wmi i8042 video serio wmi dm_snapshot dm_bufio dm_mod loop
[ 1421.776059] CPU: 0 PID: 3015 Comm: umount Tainted: G        W I        6.1.25-1-MANJARO #1 8153f3be3a95772792068f0c6a37717e403574d0
[ 1421.776061] Hardware name: -
[ 1421.776062] RIP: 0010:btrfs_free_block_groups+0x31a/0x3b0 [btrfs]
[ 1421.776104] Code: ff 48 8b 83 70 06 00 00 49 39 c5 0f 84 80 00 00 00 48 8b ab 70 06 00 00 48 83 7d 98 00 4c 8d 65 80 75 07 48 83 7d a8 00 74 11 <0f> 0b 31 c9 31 d2 4c 89 e6 48 89 df e8 55 84 ff ff f6 45 f8 04 74
[ 1421.776105] RSP: 0018:ffffba8606763db0 EFLAGS: 00010206
[ 1421.776107] RAX: ffff8e8f87e03c80 RBX: ffff8e8ff8558000 RCX: 0000000000000004
[ 1421.776108] RDX: 0000000020000000 RSI: ffff8e8f87e05000 RDI: ffff8e8f87e05000
[ 1421.776109] RBP: ffff8e8f87e03c80 R08: 0000000020000000 R09: 0000000020000000
[ 1421.776110] R10: ffff8e8fa360b288 R11: ffff8e96ff7fb000 R12: ffff8e8f87e03c00
[ 1421.776110] R13: ffff8e8ff8558670 R14: dead000000000122 R15: dead000000000100
[ 1421.776111] FS:  00007f9cdca21b80(0000) GS:ffff8e96df400000(0000) knlGS:0000000000000000
[ 1421.776113] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1421.776113] CR2: 00007ffca2992ffc CR3: 000000021769e001 CR4: 00000000003706f0
[ 1421.776115] Call Trace:
[ 1421.776115]  <TASK>
[ 1421.776117]  close_ctree+0x2de/0x446 [btrfs f72cc9a3912671e37325b7a2ef4331cda04580ca]
[ 1421.776157]  ? evict_inodes+0x169/0x1b0
[ 1421.776162]  generic_shutdown_super+0x82/0x1a0
[ 1421.776164]  kill_anon_super+0x18/0x30
[ 1421.776165]  btrfs_kill_super+0x16/0x20 [btrfs f72cc9a3912671e37325b7a2ef4331cda04580ca]
[ 1421.776194]  deactivate_locked_super+0x33/0xa0
[ 1421.776196]  cleanup_mnt+0xbd/0x150
[ 1421.776198]  task_work_run+0x5d/0x90
[ 1421.776200]  exit_to_user_mode_prepare+0x1d9/0x1e0
[ 1421.776202]  syscall_exit_to_user_mode+0x1b/0x40
[ 1421.776205]  do_syscall_64+0x6b/0x90
[ 1421.776207]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 1421.776209] RIP: 0033:0x7f9cdcb63abb
[ 1421.776224] Code: c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 f3 0f 1e fa 31 f6 e9 05 00 00 00 0f 1f 44 00 00 f3 0f 1e fa b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 81 f2 0c 00 f7 d8
[ 1421.776225] RSP: 002b:00007ffca2994778 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 1421.776226] RAX: 0000000000000000 RBX: 000055fa7f8b8640 RCX: 00007f9cdcb63abb
[ 1421.776227] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000055fa7f8bebd0
[ 1421.776228] RBP: 000055fa7f8b8758 R08: 0000000000000073 R09: 00007ffca29936b9
[ 1421.776228] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 1421.776229] R13: 000055fa7f8bebd0 R14: 000055fa7f8b8870 R15: 000055fa7f8b8640
[ 1421.776231]  </TASK>
[ 1421.776231] ---[ end trace 0000000000000000 ]---
[ 1421.776233] BTRFS info (device sdb3: state EA): space_info DATA has 32202633216 free, is not full
[ 1421.776235] BTRFS info (device sdb3: state EA): space_info total=736047857664, used=703844896768, pinned=0, reserved=0, may_use=131072, readonly=196608 zone_unusable=0
[ 1421.776237] BTRFS info (device sdb3: state EA): global_block_rsv: size 0 reserved 0
[ 1421.776238] BTRFS info (device sdb3: state EA): trans_block_rsv: size 0 reserved 0
[ 1421.776238] BTRFS info (device sdb3: state EA): chunk_block_rsv: size 0 reserved 0
[ 1421.776239] BTRFS info (device sdb3: state EA): delayed_block_rsv: size 0 reserved 0
[ 1421.776240] BTRFS info (device sdb3: state EA): delayed_refs_rsv: size 0 reserved 0

After that windows explorer unable to access btrfs partition: "Data error (CRC)"

UPD: Just noticed, "device allocated" dropped from 700 GB to 689 GB. Backuped, but hope data is safe. UPD 2: updated winbtrfs from 1.8.1 to 1.8.2 and rebooted. Partition now available, but still problems in linux. Winbtrfs scrub show few (1953) unrecoverable errors with, fortunately, not important data. Balance metadata+system failed: c00000e5, internal error. Rebooted to linux: btrfs (critical) corrupt leaf.

Jul 09 '23 20:07 SEVENID

Seems like i/o error/corrupted drive in my case. Original btrfs has no workaround for bad blocks too.

Jul 30 '23 06:07 SEVENID

Closing old issues

Nov 30 '23 01:11 maharmstone

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Incompatibility WinBtrfs/Linux: 'corrupt leaf', 'free space entries'

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