* Corruption caused by bad memory
@ 2020-08-27 7:34 Etienne Champetier
0 siblings, 0 replies; only message in thread
From: Etienne Champetier @ 2020-08-27 7:34 UTC (permalink / raw)
To: linux-btrfs
[-- Attachment #1: Type: text/plain, Size: 4100 bytes --]
Hello Btrfs Gurus,
I just found my "server" with RAID1 btrfs partitions mounted read only.
After a quick memtest I confirmed that 1 of the 2 memory stick is
dead, removed it, and now I have to fix the fs or recover data
The server was running Ubuntu 18.04, but I'm running the checks from
Fedora 33 live USB to have up to date btrfs tools & kernel
Dmesg attachment is from ubuntu 18.04
fs 80d7171a-ed94-4d73-8f34-1bc202a63bc1 / sda / sdd can be destroyed
(it only contains backups, so losing the backup history but nothing
more)
fs 7af4697d-a79d-4c5b-8951-5ffea9ecfd64 / sdb2 / sdc2 would be nice if
it can be repaired or recover the data
~~~~~~~~~~~~~~~~~~~~
# original OS
# uname -a
Linux servmaison 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9 23:41:39
UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
# LiveCD
# uname -a
Linux localhost-live 5.8.3-300.fc33.x86_64 #1 SMP Fri Aug 21 17:15:21
UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
# btrfs --version
btrfs-progs v5.7
~~~~~~~~~~~~~~~~~~~~
# btrfs fi show
Label: none uuid: 80d7171a-ed94-4d73-8f34-1bc202a63bc1
Total devices 2 FS bytes used 682.96GiB
devid 1 size 3.64TiB used 686.01GiB path /dev/sdd
devid 2 size 3.64TiB used 686.01GiB path /dev/sda
Label: 'newdisk' uuid: 7af4697d-a79d-4c5b-8951-5ffea9ecfd64
Total devices 2 FS bytes used 2.59TiB
devid 1 size 3.64TiB used 2.61TiB path /dev/sdc2
devid 2 size 3.64TiB used 2.61TiB path /dev/sdb2
~~~~~~~~~~~~~~~~~~~~
# btrfs fi df /
Data, RAID1: total=2.53TiB, used=2.51TiB
System, RAID1: total=64.00MiB, used=400.00KiB
Metadata, RAID1: total=87.00GiB, used=80.41GiB
GlobalReserve, single: total=512.00MiB, used=0.00B
~~~~~~~~~~~~~~~~~~~~
# btrfs fi df /mnt/urbackup
Data, RAID1: total=678.00GiB, used=676.93GiB
System, RAID1: total=8.00MiB, used=112.00KiB
Metadata, RAID1: total=8.00GiB, used=6.04GiB
GlobalReserve, single: total=512.00MiB, used=0.00B
~~~~~~~~~~~~~~~~~~~~
# btrfs check /dev/sdd
Opening filesystem to check...
Checking filesystem on /dev/sdd
UUID: 80d7171a-ed94-4d73-8f34-1bc202a63bc1
[1/7] checking root items
bad key ordering 64 65
bad key ordering 64 65
bad key ordering 64 65
bad key ordering 64 65
bad key ordering 64 65
bad key ordering 64 65
[2/7] checking extents
bad key ordering 64 65
bad block 737491894272
ERROR: errors found in extent allocation tree or chunk allocation
[3/7] checking free space cache
there is no free space entry for 462946455552-463885828096
cache appears valid but isn't 462812086272
[4/7] checking fs roots
[5/7] checking only csums items (without verifying data)
bad key ordering 64 65
bad key ordering 64 65
bad key ordering 64 65
bad key ordering 64 65
bad key ordering 64 65
bad key ordering 64 65
[6/7] checking root refs
[7/7] checking quota groups skipped (not enabled on this FS)
found 723119775744 bytes used, error(s) found
total csum bytes: 0
total tree bytes: 1012727808
total fs tree bytes: 0
total extent tree bytes: 1012105216
btree space waste bytes: 208288380
file data blocks allocated: 179568640
referenced 179568640
~~~~~~~~~~~~~~~~~~~~
# btrfs check /dev/sdc2
Opening filesystem to check...
Checking filesystem on /dev/sdc2
UUID: 7af4697d-a79d-4c5b-8951-5ffea9ecfd64
[1/7] checking root items
[2/7] checking extents
Complété
[root@localhost-live ~]# echo $?
143
# btrfs check --mode lowmem /dev/sdc2
Opening filesystem to check...
Checking filesystem on /dev/sdc2
UUID: 7af4697d-a79d-4c5b-8951-5ffea9ecfd64
[1/7] checking root items
[2/7] checking extents
ERROR: extent[4920183844864, 4096] referencer count mismatch (root:
262, owner: 2612424, offset: 1048576) wanted: 1, have: 0
ERROR: extent[4920183885824, 4096] referencer count mismatch (root:
262, owner: 289751, offset: 18345984) wanted: 1, have: 0
ERROR: extent[5211275329536 16384] backref generation mismatch,
wanted: 323847, have: 319751
ERROR: file extent[289751 17297408] root 262 owner 262 backref lost
ERROR: file extent[2612424 0] root 262 owner 262 backref lost
(still running)
[-- Attachment #2: dmesg_btrfs.txt --]
[-- Type: text/plain, Size: 46698 bytes --]
[ 1167.489968] ------------[ cut here ]------------
[ 1167.490030] WARNING: CPU: 1 PID: 30553 at /build/linux-PK0ghA/linux-4.15.0/fs/btrfs/extent-tree.c:6991 __btrfs_free_extent.isra.65+0x209/0xdf0 [btrfs]
[ 1167.490031] Modules linked in: ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs ppdev input_leds eeepc_wmi asus_wmi sparse_keymap intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp bridge serio_raw stp llc snd_hda_codec_hdmi shpchp kvm_intel snd_hda_codec_realtek snd_hda_codec_generic wmi_bmof snd_hda_intel snd_hda_codec snd_hda_core kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel intel_cstate intel_rapl_perf snd_hwdep snd_pcm snd_timer snd soundcore parport_pc parport mei_me mac_hid lpc_ich mei ie31200_edac sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear
[ 1167.490060] pata_acpi i915 i2c_algo_bit drm_kms_helper hid_generic syscopyarea aesni_intel sysfillrect aes_x86_64 sysimgblt usbhid crypto_simd fb_sys_fops cryptd glue_helper hid drm ahci r8169 libahci mii wmi video
[ 1167.490073] CPU: 1 PID: 30553 Comm: dpkg Tainted: G W 4.15.0-109-generic #110-Ubuntu
[ 1167.490074] Hardware name: System manufacturer System Product Name/P8H77-M PRO, BIOS 1003 10/12/2012
[ 1167.490093] RIP: 0010:__btrfs_free_extent.isra.65+0x209/0xdf0 [btrfs]
[ 1167.490094] RSP: 0018:ffffa422cf017b68 EFLAGS: 00010286
[ 1167.490096] RAX: 0000000000000024 RBX: 0000047991cf7000 RCX: 0000000000000006
[ 1167.490097] RDX: 0000000000000000 RSI: ffff9460dfa96498 RDI: ffff9460dfa96490
[ 1167.490098] RBP: ffffa422cf017c10 R08: 00000000000003e0 R09: 0000000000000004
[ 1167.490099] R10: 0000000000000000 R11: 0000000000000001 R12: ffff9460c1b50000
[ 1167.490100] R13: 00000000fffffffe R14: 0000000000000000 R15: ffff945fbd51d000
[ 1167.490102] FS: 00007f81c1403040(0000) GS:ffff9460dfa80000(0000) knlGS:0000000000000000
[ 1167.490103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1167.490104] CR2: 00007f62920344d0 CR3: 000000030a27a004 CR4: 00000000001606e0
[ 1167.490105] Call Trace:
[ 1167.490127] ? cleanup_ref_head+0x42f/0x600 [btrfs]
[ 1167.490145] __btrfs_run_delayed_refs+0x388/0xca0 [btrfs]
[ 1167.490164] btrfs_run_delayed_refs.part.70+0xe5/0x190 [btrfs]
[ 1167.490180] btrfs_run_delayed_refs+0x20/0x30 [btrfs]
[ 1167.490201] btrfs_commit_transaction+0x5f/0x910 [btrfs]
[ 1167.490225] ? btrfs_wait_ordered_range+0xcd/0x110 [btrfs]
[ 1167.490247] btrfs_sync_file+0x3fc/0x530 [btrfs]
[ 1167.490254] vfs_fsync_range+0x51/0xb0
[ 1167.490257] do_fsync+0x3d/0x70
[ 1167.490260] SyS_fsync+0x10/0x20
[ 1167.490263] do_syscall_64+0x73/0x130
[ 1167.490267] entry_SYSCALL_64_after_hwframe+0x41/0xa6
[ 1167.490269] RIP: 0033:0x7f81c0cea314
[ 1167.490270] RSP: 002b:00007ffcd171f888 EFLAGS: 00000246 ORIG_RAX: 000000000000004a
[ 1167.490272] RAX: ffffffffffffffda RBX: 000055e45d086520 RCX: 00007f81c0cea314
[ 1167.490273] RDX: 000055e45f0937f0 RSI: 000055e45d086520 RDI: 0000000000000009
[ 1167.490274] RBP: 000055e45d086520 R08: 0000000000000000 R09: 0000000000000000
[ 1167.490275] R10: 000055e45cf3b010 R11: 0000000000000246 R12: 0000000000000000
[ 1167.490276] R13: 000055e45d01f0b0 R14: 000055e45d22ba30 R15: 0000000000000000
[ 1167.490278] Code: 00 00 e8 db fb ff ff 41 89 c5 58 5a 45 85 ed 0f 84 8e 00 00 00 41 83 fd fe 0f 85 03 ff ff ff 48 c7 c7 68 53 7f c0 e8 a7 1b bb d8 <0f> 0b 49 8b 3f e8 ad de 00 00 4c 8b 4d 10 4c 8b 85 78 ff ff ff
[ 1167.490300] ---[ end trace 5b3f105992cf7d97 ]---
[ 1167.490326] BTRFS info (device sdb2): leaf 6097160847360 total ptrs 177 free space 2557
[ 1167.490328] item 0 key (4920180502528 168 4096) itemoff 16230 itemsize 53
[ 1167.490330] extent refs 1 gen 1272624 flags 1
[ 1167.490331] ref#0: extent data backref root 262 objectid 2759791 offset 0 count 1
[ 1167.490334] item 1 key (4920180506624 168 8192) itemoff 16177 itemsize 53
[ 1167.490335] extent refs 1 gen 1337171 flags 1
[ 1167.490335] ref#0: extent data backref root 262 objectid 2791177 offset 0 count 1
[ 1167.490338] item 2 key (4920180514816 168 4096) itemoff 16124 itemsize 53
[ 1167.490339] extent refs 1 gen 1337213 flags 1
[ 1167.490339] ref#0: extent data backref root 262 objectid 2791655 offset 0 count 1
[ 1167.490345] item 3 key (4920180518912 168 8192) itemoff 16071 itemsize 53
[ 1167.490347] extent refs 1 gen 1226155 flags 1
[ 1167.490350] ref#0: extent data backref root 262 objectid 2611866 offset 0 count 1
[ 1167.490352] item 4 key (4920180527104 168 20480) itemoff 16018 itemsize 53
[ 1167.490353] extent refs 1 gen 1338139 flags 1
[ 1167.490354] ref#0: extent data backref root 262 objectid 2801887 offset 0 count 1
[ 1167.490356] item 5 key (4920180547584 168 4096) itemoff 15965 itemsize 53
[ 1167.490357] extent refs 1 gen 1338139 flags 1
[ 1167.490358] ref#0: extent data backref root 262 objectid 2802245 offset 0 count 1
[ 1167.490360] item 6 key (4920180551680 168 4096) itemoff 15912 itemsize 53
[ 1167.490364] extent refs 1 gen 1255538 flags 1
[ 1167.490368] ref#0: extent data backref root 262 objectid 2671592 offset 0 count 1
[ 1167.490374] item 7 key (4920180555776 168 12288) itemoff 15859 itemsize 53
[ 1167.490378] extent refs 1 gen 1226155 flags 1
[ 1167.490382] ref#0: extent data backref root 262 objectid 2611865 offset 0 count 1
[ 1167.490387] item 8 key (4920180572160 168 20480) itemoff 15806 itemsize 53
[ 1167.490395] extent refs 1 gen 1338139 flags 1
[ 1167.490398] ref#0: extent data backref root 262 objectid 2801891 offset 0 count 1
[ 1167.490404] item 9 key (4920180592640 168 40960) itemoff 15753 itemsize 53
[ 1167.490408] extent refs 1 gen 1337674 flags 1
[ 1167.490411] ref#0: extent data backref root 262 objectid 2796645 offset 262144 count 1
[ 1167.490418] item 10 key (4920180633600 168 8192) itemoff 15700 itemsize 53
[ 1167.490422] extent refs 1 gen 1338132 flags 1
[ 1167.490425] ref#0: extent data backref root 262 objectid 2800059 offset 0 count 1
[ 1167.490431] item 11 key (4920180641792 168 20480) itemoff 15647 itemsize 53
[ 1167.490432] extent refs 1 gen 1338139 flags 1
[ 1167.490436] ref#0: extent data backref root 262 objectid 2801893 offset 0 count 1
[ 1167.490442] item 12 key (4920180662272 168 4096) itemoff 15594 itemsize 53
[ 1167.490446] extent refs 1 gen 1338139 flags 1
[ 1167.490450] ref#0: extent data backref root 262 objectid 2802246 offset 0 count 1
[ 1167.490456] item 13 key (4920180666368 168 45056) itemoff 15541 itemsize 53
[ 1167.490460] extent refs 1 gen 1070826 flags 1
[ 1167.490463] ref#0: extent data backref root 262 objectid 2308894 offset 0 count 1
[ 1167.490469] item 14 key (4920180711424 168 49152) itemoff 15488 itemsize 53
[ 1167.490472] extent refs 1 gen 1070826 flags 1
[ 1167.490473] ref#0: extent data backref root 262 objectid 2308894 offset 131072 count 1
[ 1167.490475] item 15 key (4920180760576 168 49152) itemoff 15435 itemsize 53
[ 1167.490476] extent refs 1 gen 1070826 flags 1
[ 1167.490477] ref#0: extent data backref root 262 objectid 2308894 offset 4849664 count 1
[ 1167.490479] item 16 key (4920180809728 168 12288) itemoff 15382 itemsize 53
[ 1167.490480] extent refs 1 gen 1338139 flags 1
[ 1167.490481] ref#0: extent data backref root 262 objectid 2801965 offset 0 count 1
[ 1167.490483] item 17 key (4920180822016 168 36864) itemoff 15329 itemsize 53
[ 1167.490484] extent refs 1 gen 1338865 flags 1
[ 1167.490484] ref#0: extent data backref root 262 objectid 2856888 offset 917504 count 1
[ 1167.490486] item 18 key (4920180858880 168 8192) itemoff 15276 itemsize 53
[ 1167.490487] extent refs 1 gen 1338712 flags 1
[ 1167.490488] ref#0: extent data backref root 262 objectid 2850111 offset 0 count 1
[ 1167.490490] item 19 key (4920180867072 168 4096) itemoff 15223 itemsize 53
[ 1167.490491] extent refs 1 gen 1338712 flags 1
[ 1167.490492] ref#0: extent data backref root 262 objectid 2850130 offset 0 count 1
[ 1167.490494] item 20 key (4920180871168 168 4096) itemoff 15170 itemsize 53
[ 1167.490495] extent refs 1 gen 1338230 flags 1
[ 1167.490495] ref#0: extent data backref root 262 objectid 2837514 offset 0 count 1
[ 1167.490497] item 21 key (4920180875264 168 61440) itemoff 15117 itemsize 53
[ 1167.490498] extent refs 1 gen 1337130 flags 1
[ 1167.490499] ref#0: extent data backref root 262 objectid 2789251 offset 2228224 count 1
[ 1167.490501] item 22 key (4920180936704 168 4096) itemoff 15064 itemsize 53
[ 1167.490502] extent refs 1 gen 1337213 flags 1
[ 1167.490503] ref#0: extent data backref root 262 objectid 2791656 offset 0 count 1
[ 1167.490505] item 23 key (4920180944896 168 4096) itemoff 15011 itemsize 53
[ 1167.490506] extent refs 1 gen 1338139 flags 1
[ 1167.490506] ref#0: extent data backref root 262 objectid 2802247 offset 0 count 1
[ 1167.490508] item 24 key (4920180948992 168 36864) itemoff 14958 itemsize 53
[ 1167.490509] extent refs 1 gen 1255538 flags 1
[ 1167.490510] ref#0: extent data backref root 262 objectid 2670625 offset 786432 count 1
[ 1167.490512] item 25 key (4920180989952 168 16384) itemoff 14905 itemsize 53
[ 1167.490513] extent refs 1 gen 1186751 flags 1
[ 1167.490513] ref#0: extent data backref root 262 objectid 2529227 offset 0 count 1
[ 1167.490516] item 26 key (4920181010432 168 4096) itemoff 14852 itemsize 53
[ 1167.490516] extent refs 1 gen 1338139 flags 1
[ 1167.490517] ref#0: extent data backref root 262 objectid 2802248 offset 0 count 1
[ 1167.490519] item 27 key (4920181014528 168 4096) itemoff 14799 itemsize 53
[ 1167.490520] extent refs 1 gen 691647 flags 1
[ 1167.490521] ref#0: extent data backref root 262 objectid 289754 offset 7499776 count 1
[ 1167.490523] item 28 key (4920181018624 168 20480) itemoff 14746 itemsize 53
[ 1167.490524] extent refs 1 gen 1338139 flags 1
[ 1167.490524] ref#0: extent data backref root 262 objectid 2801896 offset 0 count 1
[ 1167.490527] item 29 key (4920181039104 168 24576) itemoff 14693 itemsize 53
[ 1167.490528] extent refs 1 gen 811981 flags 1
[ 1167.490528] ref#0: extent data backref root 262 objectid 1912492 offset 0 count 1
[ 1167.490530] item 30 key (4920181063680 168 8192) itemoff 14640 itemsize 53
[ 1167.490531] extent refs 1 gen 1226155 flags 1
[ 1167.490532] ref#0: extent data backref root 262 objectid 2611867 offset 0 count 1
[ 1167.490534] item 31 key (4920181071872 168 4096) itemoff 14587 itemsize 53
[ 1167.490535] extent refs 1 gen 1090764 flags 1
[ 1167.490535] ref#0: extent data backref root 262 objectid 289751 offset 16609280 count 1
[ 1167.490538] item 32 key (4920181075968 168 8192) itemoff 14534 itemsize 53
[ 1167.490539] extent refs 1 gen 1226155 flags 1
[ 1167.490539] ref#0: extent data backref root 262 objectid 2611870 offset 0 count 1
[ 1167.490541] item 33 key (4920181084160 168 28672) itemoff 14481 itemsize 53
[ 1167.490542] extent refs 1 gen 1059486 flags 1
[ 1167.490543] ref#0: extent data backref root 262 objectid 2302389 offset 17694720 count 1
[ 1167.490545] item 34 key (4920181112832 168 8192) itemoff 14428 itemsize 53
[ 1167.490546] extent refs 1 gen 1226155 flags 1
[ 1167.490547] ref#0: extent data backref root 262 objectid 2611876 offset 524288 count 1
[ 1167.490549] item 35 key (4920181121024 168 8192) itemoff 14375 itemsize 53
[ 1167.490550] extent refs 1 gen 1226155 flags 1
[ 1167.490550] ref#0: extent data backref root 262 objectid 2611880 offset 0 count 1
[ 1167.490552] item 36 key (4920181129216 168 8192) itemoff 14322 itemsize 53
[ 1167.490553] extent refs 1 gen 1338139 flags 1
[ 1167.490554] ref#0: extent data backref root 262 objectid 2802007 offset 0 count 1
[ 1167.490556] item 37 key (4920181174272 168 36864) itemoff 14269 itemsize 53
[ 1167.490557] extent refs 1 gen 1338864 flags 1
[ 1167.490557] ref#0: extent data backref root 262 objectid 2856886 offset 655360 count 1
[ 1167.490560] item 38 key (4920181211136 168 24576) itemoff 14216 itemsize 53
[ 1167.490561] extent refs 1 gen 1338676 flags 1
[ 1167.490561] ref#0: extent data backref root 262 objectid 2849824 offset 524288 count 1
[ 1167.490563] item 39 key (4920181235712 168 20480) itemoff 14163 itemsize 53
[ 1167.490564] extent refs 1 gen 1338230 flags 1
[ 1167.490565] ref#0: extent data backref root 262 objectid 2837395 offset 0 count 1
[ 1167.490567] item 40 key (4920181256192 168 4096) itemoff 14110 itemsize 53
[ 1167.490568] extent refs 1 gen 1338230 flags 1
[ 1167.490568] ref#0: extent data backref root 262 objectid 2837520 offset 0 count 1
[ 1167.490570] item 41 key (4920181260288 168 8192) itemoff 14057 itemsize 53
[ 1167.490571] extent refs 1 gen 1332770 flags 1
[ 1167.490572] ref#0: extent data backref root 262 objectid 2786469 offset 108683264 count 1
[ 1167.490574] item 42 key (4920181268480 168 8192) itemoff 14004 itemsize 53
[ 1167.490575] extent refs 1 gen 1332770 flags 1
[ 1167.490576] ref#0: extent data backref root 262 objectid 2786469 offset 108814336 count 1
[ 1167.490578] item 43 key (4920181276672 168 8192) itemoff 13951 itemsize 53
[ 1167.490579] extent refs 1 gen 1332770 flags 1
[ 1167.490579] ref#0: extent data backref root 262 objectid 2786469 offset 108945408 count 1
[ 1167.490582] item 44 key (4920181284864 168 8192) itemoff 13898 itemsize 53
[ 1167.490582] extent refs 1 gen 1332770 flags 1
[ 1167.490583] ref#0: extent data backref root 262 objectid 2786469 offset 109076480 count 1
[ 1167.490585] item 45 key (4920181293056 168 8192) itemoff 13845 itemsize 53
[ 1167.490586] extent refs 1 gen 1337167 flags 1
[ 1167.490587] ref#0: extent data backref root 262 objectid 2791135 offset 0 count 1
[ 1167.490589] item 46 key (4920181301248 168 8192) itemoff 13792 itemsize 53
[ 1167.490590] extent refs 1 gen 1337167 flags 1
[ 1167.490590] ref#0: extent data backref root 262 objectid 2791138 offset 0 count 1
[ 1167.490592] item 47 key (4920181309440 168 8192) itemoff 13739 itemsize 53
[ 1167.490593] extent refs 1 gen 1338139 flags 1
[ 1167.490594] ref#0: extent data backref root 262 objectid 2802011 offset 0 count 1
[ 1167.490596] item 48 key (4920181317632 168 8192) itemoff 13702 itemsize 37
[ 1167.490597] extent refs 1 gen 283842 flags 1
[ 1167.490598] ref#0: shared data backref parent 5217555513344 count 1
[ 1167.490600] item 49 key (4920181325824 168 61440) itemoff 13649 itemsize 53
[ 1167.490601] extent refs 1 gen 812817 flags 1
[ 1167.490602] ref#0: extent data backref root 262 objectid 1920848 offset 0 count 1
[ 1167.490606] item 50 key (4920181387264 168 65536) itemoff 13596 itemsize 53
[ 1167.490607] extent refs 1 gen 1337130 flags 1
[ 1167.490607] ref#0: extent data backref root 262 objectid 2789251 offset 2097152 count 1
[ 1167.490610] item 51 key (4920181452800 168 57344) itemoff 13543 itemsize 53
[ 1167.490610] extent refs 1 gen 1337130 flags 1
[ 1167.490611] ref#0: extent data backref root 262 objectid 2789251 offset 5242880 count 1
[ 1167.490613] item 52 key (4920181510144 168 4096) itemoff 13490 itemsize 53
[ 1167.490614] extent refs 1 gen 1337171 flags 1
[ 1167.490615] ref#0: extent data backref root 262 objectid 2791151 offset 0 count 1
[ 1167.490617] item 53 key (4920181514240 168 8192) itemoff 13437 itemsize 53
[ 1167.490618] extent refs 1 gen 1337171 flags 1
[ 1167.490618] ref#0: extent data backref root 262 objectid 2791152 offset 0 count 1
[ 1167.490625] item 54 key (4920181526528 168 20480) itemoff 13384 itemsize 53
[ 1167.490629] extent refs 1 gen 1194115 flags 1
[ 1167.490632] ref#0: extent data backref root 262 objectid 2546789 offset 1048576 count 1
[ 1167.490638] item 55 key (4920181547008 168 8192) itemoff 13331 itemsize 53
[ 1167.490642] extent refs 1 gen 1194144 flags 1
[ 1167.490646] ref#0: extent data backref root 262 objectid 2547169 offset 0 count 1
[ 1167.490652] item 56 key (4920181555200 168 8192) itemoff 13278 itemsize 53
[ 1167.490656] extent refs 1 gen 1226155 flags 1
[ 1167.490659] ref#0: extent data backref root 262 objectid 2611882 offset 0 count 1
[ 1167.490666] item 57 key (4920181563392 168 16384) itemoff 13225 itemsize 53
[ 1167.490673] extent refs 1 gen 1186751 flags 1
[ 1167.490676] ref#0: extent data backref root 262 objectid 2529231 offset 0 count 1
[ 1167.490682] item 58 key (4920181579776 168 4096) itemoff 13172 itemsize 53
[ 1167.490686] extent refs 1 gen 1338139 flags 1
[ 1167.490689] ref#0: extent data backref root 262 objectid 2802250 offset 0 count 1
[ 1167.490695] item 59 key (4920181587968 168 12288) itemoff 13119 itemsize 53
[ 1167.490699] extent refs 1 gen 1338800 flags 1
[ 1167.490703] ref#0: extent data backref root 262 objectid 2850848 offset 0 count 1
[ 1167.490709] item 60 key (4920181600256 168 16384) itemoff 13066 itemsize 53
[ 1167.490713] extent refs 1 gen 1338800 flags 1
[ 1167.490716] ref#0: extent data backref root 262 objectid 2850849 offset 0 count 1
[ 1167.490722] item 61 key (4920181616640 168 12288) itemoff 13013 itemsize 53
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[ 1167.491359] ref#0: extent data backref root 262 objectid 2512093 offset 0 count 1
[ 1167.491361] item 164 key (4920183844864 168 4096) itemoff 7618 itemsize 53
[ 1167.491362] extent refs 1 gen 1226167 flags 1
[ 1167.491362] ref#0: extent data backref root 262 objectid 2612424 offset 1048576 count 1
[ 1167.491365] item 165 key (4920183848960 168 4096) itemoff 7565 itemsize 53
[ 1167.491366] extent refs 1 gen 1187003 flags 1
[ 1167.491366] ref#0: extent data backref root 262 objectid 2530681 offset 0 count 1
[ 1167.491368] item 166 key (4920183853056 168 4096) itemoff 7512 itemsize 53
[ 1167.491369] extent refs 1 gen 1226167 flags 1
[ 1167.491370] ref#0: extent data backref root 262 objectid 2612431 offset 0 count 1
[ 1167.491372] item 167 key (4920183857152 168 16384) itemoff 7459 itemsize 53
[ 1167.491373] extent refs 1 gen 1178399 flags 1
[ 1167.491373] ref#0: extent data backref root 262 objectid 2512094 offset 0 count 1
[ 1167.491375] item 168 key (4920183873536 168 8192) itemoff 7406 itemsize 53
[ 1167.491376] extent refs 1 gen 1226155 flags 1
[ 1167.491377] ref#0: extent data backref root 262 objectid 2611899 offset 0 count 1
[ 1167.491379] item 169 key (4920183881728 168 4096) itemoff 7353 itemsize 53
[ 1167.491380] extent refs 1 gen 1337144 flags 1
[ 1167.491380] ref#0: extent data backref root 262 objectid 2790101 offset 0 count 1
[ 1167.491383] item 170 key (4920183885824 168 4096) itemoff 7300 itemsize 53
[ 1167.491384] extent refs 1 gen 1195718 flags 1
[ 1167.491384] ref#0: extent data backref root 262 objectid 289751 offset 18345984 count 1
[ 1167.491386] item 171 key (4920183889920 168 20480) itemoff 7247 itemsize 53
[ 1167.491388] extent refs 1 gen 1334634 flags 1
[ 1167.491389] ref#0: extent data backref root 262 objectid 2786469 offset 125132800 count 1
[ 1167.491391] item 172 key (4920183910400 168 4096) itemoff 7194 itemsize 53
[ 1167.491392] extent refs 1 gen 1335119 flags 1
[ 1167.491393] ref#0: extent data backref root 262 objectid 2786469 offset 246820864 count 1
[ 1167.491395] item 173 key (4920183914496 168 8192) itemoff 7141 itemsize 53
[ 1167.491396] extent refs 1 gen 1337144 flags 1
[ 1167.491396] ref#0: extent data backref root 262 objectid 2790100 offset 0 count 1
[ 1167.491398] item 174 key (4920183922688 168 4096) itemoff 7088 itemsize 53
[ 1167.491399] extent refs 1 gen 1337144 flags 1
[ 1167.491400] ref#0: extent data backref root 262 objectid 2790107 offset 0 count 1
[ 1167.491402] item 175 key (4920183926784 168 4096) itemoff 7035 itemsize 53
[ 1167.491403] extent refs 1 gen 1337144 flags 1
[ 1167.491403] ref#0: extent data backref root 262 objectid 2790113 offset 0 count 1
[ 1167.491406] item 176 key (4920183930880 168 8192) itemoff 6982 itemsize 53
[ 1167.491407] extent refs 1 gen 1332770 flags 1
[ 1167.491407] ref#0: extent data backref root 262 objectid 2786469 offset 109207552 count 1
[ 1167.491410] BTRFS error (device sdb2): unable to find ref byte nr 4920183844864 parent 0 root 262 owner 2612424 offset 0
[ 1167.491483] ------------[ cut here ]------------
[ 1167.491487] BTRFS: Transaction aborted (error -2)
[ 1167.491522] WARNING: CPU: 1 PID: 30553 at /build/linux-PK0ghA/linux-4.15.0/fs/btrfs/extent-tree.c:6997 __btrfs_free_extent.isra.65+0x260/0xdf0 [btrfs]
[ 1167.491526] Modules linked in: ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs ppdev input_leds eeepc_wmi asus_wmi sparse_keymap intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp bridge serio_raw stp llc snd_hda_codec_hdmi shpchp kvm_intel snd_hda_codec_realtek snd_hda_codec_generic wmi_bmof snd_hda_intel snd_hda_codec snd_hda_core kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel intel_cstate intel_rapl_perf snd_hwdep snd_pcm snd_timer snd soundcore parport_pc parport mei_me mac_hid lpc_ich mei ie31200_edac sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear
[ 1167.491621] pata_acpi i915 i2c_algo_bit drm_kms_helper hid_generic syscopyarea aesni_intel sysfillrect aes_x86_64 sysimgblt usbhid crypto_simd fb_sys_fops cryptd glue_helper hid drm ahci r8169 libahci mii wmi video
[ 1167.491631] CPU: 1 PID: 30553 Comm: dpkg Tainted: G W 4.15.0-109-generic #110-Ubuntu
[ 1167.491632] Hardware name: System manufacturer System Product Name/P8H77-M PRO, BIOS 1003 10/12/2012
[ 1167.491648] RIP: 0010:__btrfs_free_extent.isra.65+0x260/0xdf0 [btrfs]
[ 1167.491649] RSP: 0018:ffffa422cf017b68 EFLAGS: 00010282
[ 1167.491651] RAX: 0000000000000000 RBX: 0000047991cf7000 RCX: 0000000000000006
[ 1167.491652] RDX: 0000000000000007 RSI: 0000000000000001 RDI: ffff9460dfa96490
[ 1167.491653] RBP: ffffa422cf017c10 R08: 000000000000061c R09: 0000000000000004
[ 1167.491654] R10: 0000000000000001 R11: 0000000000000001 R12: ffff9460c1b50000
[ 1167.491655] R13: 00000000fffffffe R14: 0000000000000000 R15: ffff945fbd51d000
[ 1167.491656] FS: 00007f81c1403040(0000) GS:ffff9460dfa80000(0000) knlGS:0000000000000000
[ 1167.491658] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1167.491659] CR2: 00007f62920344d0 CR3: 000000030a27a004 CR4: 00000000001606e0
[ 1167.491660] Call Trace:
[ 1167.491678] ? cleanup_ref_head+0x42f/0x600 [btrfs]
[ 1167.491694] __btrfs_run_delayed_refs+0x388/0xca0 [btrfs]
[ 1167.491713] btrfs_run_delayed_refs.part.70+0xe5/0x190 [btrfs]
[ 1167.491730] btrfs_run_delayed_refs+0x20/0x30 [btrfs]
[ 1167.491750] btrfs_commit_transaction+0x5f/0x910 [btrfs]
[ 1167.491772] ? btrfs_wait_ordered_range+0xcd/0x110 [btrfs]
[ 1167.491794] btrfs_sync_file+0x3fc/0x530 [btrfs]
[ 1167.491798] vfs_fsync_range+0x51/0xb0
[ 1167.491801] do_fsync+0x3d/0x70
[ 1167.491804] SyS_fsync+0x10/0x20
[ 1167.491807] do_syscall_64+0x73/0x130
[ 1167.491810] entry_SYSCALL_64_after_hwframe+0x41/0xa6
[ 1167.491815] RIP: 0033:0x7f81c0cea314
[ 1167.491818] RSP: 002b:00007ffcd171f888 EFLAGS: 00000246 ORIG_RAX: 000000000000004a
[ 1167.491825] RAX: ffffffffffffffda RBX: 000055e45d086520 RCX: 00007f81c0cea314
[ 1167.491828] RDX: 000055e45f0937f0 RSI: 000055e45d086520 RDI: 0000000000000009
[ 1167.491832] RBP: 000055e45d086520 R08: 0000000000000000 R09: 0000000000000000
[ 1167.491835] R10: 000055e45cf3b010 R11: 0000000000000246 R12: 0000000000000000
[ 1167.491838] R13: 000055e45d01f0b0 R14: 000055e45d22ba30 R15: 0000000000000000
[ 1167.491842] Code: ff 48 8b 45 90 48 8b 40 60 f0 48 0f ba a8 d0 cd 00 00 02 0f 92 c0 84 c0 41 59 75 11 44 89 ee 48 c7 c7 78 55 7f c0 e8 b0 e7 b4 d8 <0f> 0b 48 8b 7d 90 b9 fe ff ff ff ba 55 1b 00 00 48 c7 c6 a0 e6
[ 1167.491928] ---[ end trace 5b3f105992cf7d98 ]---
[ 1167.491933] BTRFS: error (device sdb2) in __btrfs_free_extent:6997: errno=-2 No such entry
[ 1167.491983] BTRFS info (device sdb2): forced readonly
[ 1167.491986] BTRFS: error (device sdb2) in btrfs_run_delayed_refs:3083: errno=-2 No such entry
[ 1167.495958] BTRFS error (device sdb2): pending csums is 20176896
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2020-08-27 7:34 Corruption caused by bad memory Etienne Champetier
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