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Hi, I am having problems with this external USB hard-drive which suddenly decided to give some btrfs errors. It's forced to mount in read-only mode and I can still read stuff from it.
Here's the relevant dmesg errors:
usb 2-6: new SuperSpeed USB device number 3 using xhci_hcd
[ 321.259401] usb 2-6: New USB device found, idVendor=1058, idProduct=25a3, bcdDevice=10.30
[ 321.259406] usb 2-6: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 321.259409] usb 2-6: Product: Elements 25A3
[ 321.259411] usb 2-6: Manufacturer: Western Digital
[ 321.259413] usb 2-6: SerialNumber: 564747574E534A47
[ 321.265180] usb-storage 2-6:1.0: USB Mass Storage device detected
[ 321.265751] scsi host11: usb-storage 2-6:1.0
[ 322.272802] scsi 11:0:0:0: Direct-Access WD Elements 25A3 1030 PQ: 0 ANSI: 6
[ 322.273120] sd 11:0:0:0: Attached scsi generic sg4 type 0
[ 322.276113] sd 11:0:0:0: [sde] Spinning up disk...
[ 323.280141] ..
[ 324.533093] audit: type=1334 audit(1650318851.897:315): prog-id=73 op=LOAD
[ 324.533407] audit: type=1334 audit(1650318851.897:316): prog-id=74 op=LOAD
[ 324.533658] audit: type=1334 audit(1650318851.897:317): prog-id=75 op=LOAD
[ 324.584989] audit: type=1130 audit(1650318851.949:318): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-timedated comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[ 325.295991] .................ready
[ 341.424045] sd 11:0:0:0: [sde] Very big device. Trying to use READ CAPACITY(16).
[ 341.424166] sd 11:0:0:0: [sde] 15627986944 512-byte logical blocks: (8.00 TB/7.28 TiB)
[ 341.424168] sd 11:0:0:0: [sde] 4096-byte physical blocks
[ 341.425268] sd 11:0:0:0: [sde] Write Protect is off
[ 341.425273] sd 11:0:0:0: [sde] Mode Sense: 47 00 10 08
[ 341.426217] sd 11:0:0:0: [sde] No Caching mode page found
[ 341.426222] sd 11:0:0:0: [sde] Assuming drive cache: write through
[ 341.486185] sde: sde1
[ 341.488469] sd 11:0:0:0: [sde] Attached SCSI disk
[ 341.794794] BTRFS: device label Data 2 devid 1 transid 655470 /dev/sde1 scanned by systemd-udevd (33650)
[ 342.008026] BTRFS info (device sde1): flagging fs with big metadata feature
[ 342.008033] BTRFS info (device sde1): disk space caching is enabled
[ 342.008034] BTRFS info (device sde1): has skinny extents
[ 342.992687] BTRFS info (device sde1): checking UUID tree
[ 343.307955] BTRFS error (device sde1): parent transid verify failed on 871202816 wanted 37616 found 34932
[ 343.314130] BTRFS error (device sde1): parent transid verify failed on 871202816 wanted 37616 found 34932
[ 343.314149] BTRFS warning (device sde1): btrfs_uuid_scan_kthread failed -5
[ 354.616458] audit: type=1131 audit(1650318881.979:319): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-timedated comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[ 354.665833] audit: type=1334 audit(1650318882.029:320): prog-id=0 op=UNLOAD
[ 354.665842] audit: type=1334 audit(1650318882.029:321): prog-id=0 op=UNLOAD
[ 354.665845] audit: type=1334 audit(1650318882.029:322): prog-id=0 op=UNLOAD
[ 364.971917] audit: type=1100 audit(1650318892.335:323): pid=34225 uid=1000 auid=1000 ses=1 msg='op=PAM:authentication grantors=pam_usertype,pam_usertype,pam_sss acct="elrick" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/4 res=success'
[ 365.000412] audit: type=1101 audit(1650318892.363:324): pid=34225 uid=1000 auid=1000 ses=1 msg='op=PAM:accounting grantors=pam_unix,pam_sss,pam_permit acct="elrick" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/4 res=success'
[ 365.000617] audit: type=1110 audit(1650318892.363:325): pid=34225 uid=1000 auid=1000 ses=1 msg='op=PAM:setcred grantors=? acct="?" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/4 res=failed'
[ 365.007557] audit: type=1105 audit(1650318892.369:326): pid=34225 uid=1000 auid=1000 ses=1 msg='op=PAM:session_open grantors=pam_keyinit,pam_limits,pam_systemd,pam_unix acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/4 res=success'
[ 365.025106] audit: type=1106 audit(1650318892.387:327): pid=34225 uid=1000 auid=1000 ses=1 msg='op=PAM:session_close grantors=pam_keyinit,pam_limits,pam_systemd,pam_unix acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/4 res=success'
[ 377.904403] ------------[ cut here ]------------
[ 377.904407] WARNING: CPU: 10 PID: 33888 at fs/btrfs/extent-tree.c:3070 __btrfs_free_extent+0x808/0xb40 [btrfs]
[ 377.904455] Modules linked in: uinput xt_conntrack xt_MASQUERADE nf_conntrack_netlink xt_addrtype iptable_filter br_netfilter overlay macvlan rfcomm snd_seq_dummy snd_hrtimer snd_seq snd_seq_device nft_reject_ipv4 nf_reject_ipv4 nft_reject nft_ct nft_masq nft_chain_nat nf_tables nfnetlink nf_nat_h323 nf_conntrack_h323 nf_nat_pptp nf_conntrack_pptp nf_nat_tftp nf_conntrack_tftp nf_nat_sip nf_conntrack_sip nf_nat_irc nf_conntrack_irc nf_nat_ftp nf_conntrack_ftp iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 bridge stp llc cmac algif_hash algif_skcipher af_alg bnep lm75 snd_hda_codec_realtek snd_hda_codec_generic xpad ledtrig_audio ff_memless eeepc_wmi asus_wmi intel_rapl_msr sparse_keymap platform_profile video wmi_bmof mxm_wmi mousedev joydev intel_rapl_common asus_wmi_sensors ath10k_pci ath10k_core edac_mce_amd ath kvm_amd mac80211 kvm btusb snd_hda_intel btrtl snd_intel_dspcfg btbcm snd_intel_sdw_acpi btintel snd_hda_codec libarc4 irqbypass btmtk crct10dif_pclmul
[ 377.904501] crc32_pclmul ghash_clmulni_intel snd_hda_core bluetooth aesni_intel snd_hwdep cfg80211 crypto_simd snd_pcm cryptd atlantic igb snd_timer sp5100_tco ecdh_generic snd rapl pcspkr crc16 soundcore ccp i2c_piix4 zenpower(OE) rfkill macsec dca tpm_crb tpm_tis wmi tpm_tis_core tpm gpio_amdpt rng_core gpio_generic pinctrl_amd mac_hid acpi_cpufreq nls_iso8859_1 vfat ntfs3 squashfs fat vboxnetflt(OE) vboxnetadp(OE) vboxdrv(OE) ipmi_devintf auth_rpcgss ipmi_msghandler sg crypto_user sunrpc fuse zram ip_tables x_tables uas usb_storage usbhid btrfs blake2b_generic libcrc32c crc32c_generic xor raid6_pq nvidia_uvm(POE) nvidia_drm(POE) nvidia_modeset(POE) crc32c_intel nvme nvme_core xhci_pci xhci_pci_renesas nvidia(POE)
[ 377.904542] CPU: 10 PID: 33888 Comm: btrfs-transacti Tainted: P OE 5.17.3-256-tkg-bmq #1 366f3c65c682c05a304400425dbacf86ae02ae9c
[ 377.904547] Hardware name: System manufacturer System Product Name/ROG ZENITH EXTREME, BIOS 2001 07/31/2019
[ 377.904548] RIP: 0010:__btrfs_free_extent+0x808/0xb40 [btrfs]
[ 377.904590] Code: 48 05 48 0a 00 00 f0 48 0f ba 28 03 0f 82 23 15 0d 00 be 8b ff ff ff 48 c7 c7 c0 05 ec c2 e8 53 be 6a e0 0f 0b e9 0b 15 0d 00 <0f> 0b 48 8b 7d 00 e8 cd 5c 00 00 ff 74 24 20 4c 89 f1 4c 89 e2 4c
[ 377.904592] RSP: 0018:ffffbafda56ffbd8 EFLAGS: 00010246
[ 377.904595] RAX: 0000000000000000 RBX: ffff9f2afb9a4cb0 RCX: 0000000000000000
[ 377.904596] RDX: 0000000000000000 RSI: ffff9f296f7d33b3 RDI: ffffbafda56ffb90
[ 377.904598] RBP: ffff9f2afb9a42a0 R08: 0000000000000001 R09: 00000000020d0000
[ 377.904599] R10: 00000000ffffffff R11: 0000000000000001 R12: 0000012c80a02000
[ 377.904601] R13: 00000000000012b6 R14: 0000000000000000 R15: 00000000fffffffe
[ 377.904602] FS: 0000000000000000(0000) GS:ffff9f311f480000(0000) knlGS:0000000000000000
[ 377.904604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 377.904606] CR2: 0000000000000003 CR3: 00000002aa516000 CR4: 00000000003506e0
[ 377.904608] Call Trace:
[ 377.904612] <TASK>
[ 377.904615] __btrfs_run_delayed_refs+0x26d/0x11b0 [btrfs 09f75c5ff7454e6418ca94deea832a3f24f1dfd9]
[ 377.904658] ? release_extent_buffer+0x94/0xb0 [btrfs 09f75c5ff7454e6418ca94deea832a3f24f1dfd9]
[ 377.904707] btrfs_run_delayed_refs+0x73/0x1f0 [btrfs 09f75c5ff7454e6418ca94deea832a3f24f1dfd9]
[ 377.904747] commit_cowonly_roots+0x1dc/0x230 [btrfs 09f75c5ff7454e6418ca94deea832a3f24f1dfd9]
[ 377.904790] btrfs_commit_transaction+0x528/0xb30 [btrfs 09f75c5ff7454e6418ca94deea832a3f24f1dfd9]
[ 377.904834] ? start_transaction+0x3a4/0x610 [btrfs 09f75c5ff7454e6418ca94deea832a3f24f1dfd9]
[ 377.904876] transaction_kthread+0x139/0x1a0 [btrfs 09f75c5ff7454e6418ca94deea832a3f24f1dfd9]
[ 377.904919] ? btrfs_cleanup_transaction.isra.0+0x580/0x580 [btrfs 09f75c5ff7454e6418ca94deea832a3f24f1dfd9]
[ 377.904960] kthread+0x13a/0x160
[ 377.904966] ? kthread_complete_and_exit+0x20/0x20
[ 377.904970] ret_from_fork+0x1f/0x30
[ 377.904975] </TASK>
[ 377.904976] ---[ end trace 0000000000000000 ]---
[ 377.904978] BTRFS info (device sde1): leaf 34406400 gen 655471 total ptrs 209 free space 39 owner 2
[ 377.904982] item 0 key (1287771496448 168 4763648) itemoff 16230 itemsize 53
[ 377.904984] extent refs 1 gen 1052 flags 1
[ 377.904986] ref#0: extent data backref root 5 objectid 371314 offset 0 count 1
[ 377.904988] item 1 key (1287776260096 168 29450240) itemoff 16177 itemsize 53
[ 377.904991] extent refs 1 gen 16118 flags 1
[ 377.904992] ref#0: extent data backref root 5 objectid 526737 offset 0 count 1
[ 377.904994] item 2 key (1287805714432 168 196608) itemoff 16124 itemsize 53
[ 377.904996] extent refs 1 gen 16118 flags 1
[ 377.904997] ref#0: extent data backref root 5 objectid 526737 offset 261701632 count 1
[ 377.904999] item 3 key (1287805915136 168 262144) itemoff 16071 itemsize 53
[ 377.905001] extent refs 1 gen 16119 flags 1
[ 377.905002] ref#0: extent data backref root 5 objectid 526737 offset 29446144 count 1
[ 377.905004] item 4 key (1287806177280 168 262144) itemoff 16018 itemsize 53
[ 377.905006] extent refs 1 gen 16119 flags 1
[ 377.905007] ref#0: extent data backref root 5 objectid 526737 offset 0 count 1
[ 377.905008] item 5 key (1287806439424 168 1183744) itemoff 15965 itemsize 53
[ 377.905010] extent refs 1 gen 17653 flags 1
[ 377.905011] ref#0: extent data backref root 5 objectid 575722 offset 0 count 1
[ 377.905013] item 6 key (1287807623168 168 94208) itemoff 15912 itemsize 53
[ 377.905015] extent refs 1 gen 26660 flags 1
[ 377.905016] ref#0: extent data backref root 5 objectid 2067948 offset 0 count 1
[ 377.905017] item 7 key (1287807721472 168 102400) itemoff 15859 itemsize 53
[ 377.905019] extent refs 1 gen 3792 flags 1
[ 377.905020] ref#0: extent data backref root 5 objectid 509763 offset 0 count 1
[ 377.905022] item 8 key (1287807823872 168 143360) itemoff 15806 itemsize 53
[ 377.905023] extent refs 1 gen 3792 flags 1
[ 377.905024] ref#0: extent data backref root 5 objectid 509767 offset 0 count 1
[ 377.905026] item 9 key (1287807967232 168 8192) itemoff 15753 itemsize 53
[ 377.905028] extent refs 1 gen 3792 flags 1
[ 377.905029] ref#0: extent data backref root 5 objectid 509799 offset 0 count 1
[ 377.905030] item 10 key (1287807975424 168 8192) itemoff 15700 itemsize 53
[ 377.905032] extent refs 1 gen 3792 flags 1
[ 377.905033] ref#0: extent data backref root 5 objectid 509812 offset 0 count 1
[ 377.905035] item 11 key (1287807983616 168 57344) itemoff 15647 itemsize 53
[ 377.905036] extent refs 1 gen 3791 flags 1
[ 377.905037] ref#0: extent data backref root 5 objectid 508984 offset 0 count 1
[ 377.905039] item 12 key (1287808040960 168 53248) itemoff 15594 itemsize 53
[ 377.905041] extent refs 1 gen 3791 flags 1
[ 377.905042] ref#0: extent data backref root 5 objectid 508988 offset 0 count 1
[ 377.905043] item 13 key (1287808094208 168 28672) itemoff 15541 itemsize 53
[ 377.905045] extent refs 1 gen 3791 flags 1
[ 377.905046] ref#0: extent data backref root 5 objectid 508989 offset 0 count 1
[ 377.905048] item 14 key (1287808122880 168 90112) itemoff 15488 itemsize 53
[ 377.905049] extent refs 1 gen 3791 flags 1
[ 377.905050] ref#0: extent data backref root 5 objectid 508991 offset 0 count 1
[ 377.905052] item 15 key (1287808212992 168 32768) itemoff 15435 itemsize 53
[ 377.905053] extent refs 1 gen 3791 flags 1
[ 377.905054] ref#0: extent data backref root 5 objectid 509026 offset 0 count 1
[ 377.905056] item 16 key (1287808245760 168 258048) itemoff 15382 itemsize 53
[ 377.905058] extent refs 1 gen 3656 flags 1
[ 377.905059] ref#0: extent data backref root 5 objectid 503815 offset 0 count 1
[ 377.905060] item 17 key (1287808503808 168 38850560) itemoff 15329 itemsize 53
[ 377.905062] extent refs 1 gen 19383 flags 1
[ 377.905063] ref#0: extent data backref root 5 objectid 586678 offset 0 count 1
[ 377.905065] item 18 key (1287847354368 168 10903552) itemoff 15276 itemsize 53
[ 377.905066] extent refs 1 gen 19384 flags 1
[ 377.905067] ref#0: extent data backref root 5 objectid 586752 offset 0 count 1
[ 377.905069] item 19 key (1287858257920 168 221184) itemoff 15223 itemsize 53
[ 377.905070] extent refs 1 gen 25736 flags 1
[ 377.905071] ref#0: extent data backref root 5 objectid 2063916 offset 0 count 1
[ 377.905073] item 20 key (1287858479104 168 245760) itemoff 15170 itemsize 53
[ 377.905075] extent refs 1 gen 25736 flags 1
[ 377.905076] ref#0: extent data backref root 5 objectid 2063917 offset 0 count 1
[ 377.905077] item 21 key (1287858724864 168 208896) itemoff 15117 itemsize 53
[ 377.905079] extent refs 1 gen 25736 flags 1
[ 377.905080] ref#0: extent data backref root 5 objectid 2063918 offset 0 count 1
[ 377.905082] item 22 key (1287858933760 168 8192) itemoff 15064 itemsize 53
[ 377.905083] extent refs 1 gen 27206 flags 1
[ 377.905084] ref#0: extent data backref root 5 objectid 2071930 offset 0 count 1
[ 377.905086] item 23 key (1287858941952 168 262144) itemoff 15011 itemsize 53
[ 377.905087] extent refs 1 gen 16004 flags 1
[ 377.905088] ref#0: extent data backref root 5 objectid 526666 offset 45289472 count 1
[ 377.905090] item 24 key (1287859204096 168 262144) itemoff 14958 itemsize 53
[ 377.905092] extent refs 1 gen 16004 flags 1
[ 377.905093] ref#0: extent data backref root 5 objectid 526666 offset 327688192 count 1
[ 377.905095] item 25 key (1287859466240 168 13205504) itemoff 14905 itemsize 53
[ 377.905096] extent refs 1 gen 16005 flags 1
[ 377.905097] ref#0: extent data backref root 5 objectid 526666 offset 441839616 count 1
[ 377.905099] item 26 key (1287872671744 168 262144) itemoff 14852 itemsize 53
[ 377.905101] extent refs 1 gen 16005 flags 1
[ 377.905102] ref#0: extent data backref root 5 objectid 526666 offset 0 count 1
[ 377.905103] item 27 key (1287872933888 168 4374528) itemoff 14799 itemsize 53
[ 377.905105] extent refs 1 gen 16260 flags 1
[ 377.905106] ref#0: extent data backref root 5 objectid 530017 offset 0 count 1
[ 377.905108] item 28 key (1287877308416 168 548864) itemoff 14746 itemsize 53
[ 377.905109] extent refs 1 gen 17653 flags 1
[ 377.905110] ref#0: extent data backref root 5 objectid 575810 offset 0 count 1
[ 377.905112] item 29 key (1287877857280 168 561152) itemoff 14693 itemsize 53
[ 377.905113] extent refs 1 gen 17653 flags 1
[ 377.905114] ref#0: extent data backref root 5 objectid 575813 offset 0 count 1
[ 377.905116] item 30 key (1287878418432 168 73728) itemoff 14640 itemsize 53
[ 377.905118] extent refs 1 gen 26660 flags 1
[ 377.905119] ref#0: extent data backref root 5 objectid 2068146 offset 0 count 1
[ 377.905120] item 31 key (1287878496256 168 69632) itemoff 14587 itemsize 53
[ 377.905122] extent refs 1 gen 3690 flags 1
[ 377.905123] ref#0: extent data backref root 5 objectid 505603 offset 0 count 1
[ 377.905124] item 32 key (1287878565888 168 33456128) itemoff 14534 itemsize 53
[ 377.905126] extent refs 1 gen 19384 flags 1
[ 377.905127] ref#0: extent data backref root 5 objectid 586679 offset 0 count 1
[ 377.905129] item 33 key (1287912022016 168 18231296) itemoff 14481 itemsize 53
[ 377.905130] extent refs 1 gen 19384 flags 1
[ 377.905131] ref#0: extent data backref root 5 objectid 586730 offset 0 count 1
[ 377.905133] item 34 key (1287930253312 168 1204224) itemoff 14428 itemsize 53
[ 377.905134] extent refs 1 gen 22232 flags 1
[ 377.905135] ref#0: extent data backref root 5 objectid 2057138 offset 0 count 1
[ 377.905137] item 35 key (1287931457536 168 49152) itemoff 14375 itemsize 53
[ 377.905139] extent refs 1 gen 26661 flags 1
[ 377.905140] ref#0: extent data backref root 5 objectid 2068512 offset 0 count 1
[ 377.905141] item 36 key (1287931506688 168 49815552) itemoff 14322 itemsize 53
[ 377.905143] extent refs 1 gen 16002 flags 1
[ 377.905144] ref#0: extent data backref root 5 objectid 526664 offset 295374848 count 1
[ 377.905146] item 37 key (1287981322240 168 118784) itemoff 14269 itemsize 53
[ 377.905147] extent refs 1 gen 26660 flags 1
[ 377.905148] ref#0: extent data backref root 5 objectid 2067622 offset 0 count 1
[ 377.905150] item 38 key (1287981441024 168 122880) itemoff 14216 itemsize 53
[ 377.905152] extent refs 1 gen 16004 flags 1
[ 377.905152] ref#0: extent data backref root 5 objectid 526666 offset 441720832 count 1
[ 377.905154] item 39 key (1287981563904 168 2695168) itemoff 14163 itemsize 53
[ 377.905156] extent refs 1 gen 16959 flags 1
[ 377.905157] ref#0: extent data backref root 5 objectid 531702 offset 0 count 1
[ 377.905158] item 40 key (1287984259072 168 36270080) itemoff 14110 itemsize 53
[ 377.905160] extent refs 1 gen 19384 flags 1
[ 377.905161] ref#0: extent data backref root 5 objectid 586680 offset 0 count 1
[ 377.905163] item 41 key (1288020529152 168 16474112) itemoff 14057 itemsize 53
[ 377.905164] extent refs 1 gen 19384 flags 1
[ 377.905165] ref#0: extent data backref root 5 objectid 586736 offset 0 count 1
[ 377.905167] item 42 key (1288037003264 168 188416) itemoff 14004 itemsize 53
[ 377.905168] extent refs 1 gen 25736 flags 1
[ 377.905169] ref#0: extent data backref root 5 objectid 2063921 offset 0 count 1
[ 377.905171] item 43 key (1288037191680 168 73728) itemoff 13951 itemsize 53
[ 377.905173] extent refs 1 gen 26660 flags 1
[ 377.905174] ref#0: extent data backref root 5 objectid 2068159 offset 0 count 1
[ 377.905175] item 44 key (1288037265408 168 45293568) itemoff 13898 itemsize 53
[ 377.905177] extent refs 1 gen 16003 flags 1
[ 377.905178] ref#0: extent data backref root 5 objectid 526666 offset 0 count 1
[ 377.905179] item 45 key (1288082558976 168 8044544) itemoff 13845 itemsize 53
[ 377.905181] extent refs 1 gen 16119 flags 1
[ 377.905182] ref#0: extent data backref root 5 objectid 526737 offset 261894144 count 1
[ 377.905184] item 46 key (1288090603520 168 167936) itemoff 13792 itemsize 53
[ 377.905185] extent refs 1 gen 25736 flags 1
[ 377.905186] ref#0: extent data backref root 5 objectid 2063922 offset 0 count 1
[ 377.905188] item 47 key (1288090771456 168 90112) itemoff 13739 itemsize 53
[ 377.905189] extent refs 1 gen 26660 flags 1
[ 377.905190] ref#0: extent data backref root 5 objectid 2067982 offset 0 count 1
[ 377.905192] item 48 key (1288090865664 168 134217728) itemoff 13686 itemsize 53
[ 377.905194] extent refs 1 gen 19352 flags 1
[ 377.905195] ref#0: extent data backref root 5 objectid 586525 offset 6668943360 count 1
[ 377.905196] item 49 key (1288225083392 168 134217728) itemoff 13633 itemsize 53
[ 377.905198] extent refs 1 gen 19352 flags 1
[ 377.905199] ref#0: extent data backref root 5 objectid 586525 offset 6803161088 count 1
[ 377.905201] item 50 key (1288359301120 168 134217728) itemoff 13580 itemsize 53
[ 377.905202] extent refs 1 gen 19352 flags 1
[ 377.905203] ref#0: extent data backref root 5 objectid 586525 offset 6937378816 count 1
[ 377.905205] item 51 key (1288493518848 168 20312064) itemoff 13527 itemsize 53
[ 377.905207] extent refs 1 gen 19384 flags 1
[ 377.905208] ref#0: extent data backref root 5 objectid 586725 offset 0 count 1
[ 377.905210] item 52 key (1288513830912 168 4952064) itemoff 13474 itemsize 53
[ 377.905211] extent refs 1 gen 19396 flags 1
[ 377.905212] ref#0: extent data backref root 5 objectid 587435 offset 0 count 1
[ 377.905214] item 53 key (1288518782976 168 167936) itemoff 13421 itemsize 53
[ 377.905215] extent refs 1 gen 25736 flags 1
[ 377.905216] ref#0: extent data backref root 5 objectid 2063924 offset 0 count 1
[ 377.905218] item 54 key (1288518950912 168 167936) itemoff 13368 itemsize 53
[ 377.905219] extent refs 1 gen 25736 flags 1
[ 377.905220] ref#0: extent data backref root 5 objectid 2063926 offset 0 count 1
[ 377.905222] item 55 key (1288519118848 168 167936) itemoff 13315 itemsize 53
[ 377.905224] extent refs 1 gen 25736 flags 1
[ 377.905225] ref#0: extent data backref root 5 objectid 2063927 offset 0 count 1
[ 377.905226] item 56 key (1288519286784 168 90112) itemoff 13262 itemsize 53
[ 377.905228] extent refs 1 gen 26660 flags 1
[ 377.905229] ref#0: extent data backref root 5 objectid 2068002 offset 0 count 1
[ 377.905230] item 57 key (1288519376896 168 1077248) itemoff 13209 itemsize 53
[ 377.905232] extent refs 1 gen 1057 flags 1
[ 377.905233] ref#0: extent data backref root 5 objectid 371583 offset 0 count 1
[ 377.905235] item 58 key (1288520454144 168 114688) itemoff 13156 itemsize 53
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[ 377.905688] item 164 key (1290262601728 168 26214400) itemoff 7596 itemsize 53
[ 377.905690] extent refs 1 gen 21147 flags 1
[ 377.905691] ref#0: extent data backref root 5 objectid 2054542 offset 214958080 count 1
[ 377.905693] item 165 key (1290288816128 168 8060928) itemoff 7543 itemsize 53
[ 377.905694] extent refs 1 gen 21368 flags 1
[ 377.905695] ref#0: extent data backref root 5 objectid 2054899 offset 0 count 1
[ 377.905697] item 166 key (1290296877056 168 1335296) itemoff 7490 itemsize 53
[ 377.905698] extent refs 1 gen 22232 flags 1
[ 377.905699] ref#0: extent data backref root 5 objectid 2057133 offset 0 count 1
[ 377.905701] item 167 key (1290298212352 168 122880) itemoff 7437 itemsize 53
[ 377.905703] extent refs 1 gen 26660 flags 1
[ 377.905704] ref#0: extent data backref root 5 objectid 2067659 offset 0 count 1
[ 377.905705] item 168 key (1290298335232 168 11898880) itemoff 7384 itemsize 53
[ 377.905707] extent refs 1 gen 19384 flags 1
[ 377.905708] ref#0: extent data backref root 5 objectid 586759 offset 0 count 1
[ 377.905709] item 169 key (1290310234112 168 106496) itemoff 7331 itemsize 53
[ 377.905711] extent refs 1 gen 26660 flags 1
[ 377.905712] ref#0: extent data backref root 5 objectid 2067822 offset 0 count 1
[ 377.905714] item 170 key (1290310340608 168 46895104) itemoff 7278 itemsize 53
[ 377.905715] extent refs 1 gen 1054 flags 1
[ 377.905716] ref#0: extent data backref root 5 objectid 371407 offset 0 count 1
[ 377.905718] item 171 key (1290357235712 168 38268928) itemoff 7225 itemsize 53
[ 377.905719] extent refs 1 gen 1054 flags 1
[ 377.905720] ref#0: extent data backref root 5 objectid 371408 offset 0 count 1
[ 377.905722] item 172 key (1290395504640 168 6950912) itemoff 7172 itemsize 53
[ 377.905724] extent refs 1 gen 1054 flags 1
[ 377.905725] ref#0: extent data backref root 5 objectid 371409 offset 0 count 1
[ 377.905726] item 173 key (1290402455552 168 27766784) itemoff 7119 itemsize 53
[ 377.905728] extent refs 1 gen 19384 flags 1
[ 377.905729] ref#0: extent data backref root 5 objectid 586722 offset 0 count 1
[ 377.905730] item 174 key (1290430222336 168 12922880) itemoff 7066 itemsize 53
[ 377.905732] extent refs 1 gen 19384 flags 1
[ 377.905733] ref#0: extent data backref root 5 objectid 586769 offset 0 count 1
[ 377.905735] item 175 key (1290443145216 168 176128) itemoff 7013 itemsize 53
[ 377.905736] extent refs 1 gen 25736 flags 1
[ 377.905737] ref#0: extent data backref root 5 objectid 2063946 offset 0 count 1
[ 377.905739] item 176 key (1290443321344 168 208896) itemoff 6960 itemsize 53
[ 377.905740] extent refs 1 gen 25736 flags 1
[ 377.905741] ref#0: extent data backref root 5 objectid 2063947 offset 0 count 1
[ 377.905743] item 177 key (1290443530240 168 245760) itemoff 6907 itemsize 53
[ 377.905745] extent refs 1 gen 25736 flags 1
[ 377.905745] ref#0: extent data backref root 5 objectid 2063948 offset 0 count 1
[ 377.905747] item 178 key (1290443776000 168 24576) itemoff 6854 itemsize 53
[ 377.905749] extent refs 1 gen 27206 flags 1
[ 377.905750] ref#0: extent data backref root 5 objectid 2071939 offset 0 count 1
[ 377.905751] item 179 key (1290443800576 168 8192) itemoff 6801 itemsize 53
[ 377.905753] extent refs 1 gen 27206 flags 1
[ 377.905754] ref#0: extent data backref root 5 objectid 2071942 offset 0 count 1
[ 377.905756] item 180 key (1290443812864 168 79777792) itemoff 6748 itemsize 53
[ 377.905757] extent refs 1 gen 1054 flags 1
[ 377.905758] ref#0: extent data backref root 5 objectid 371415 offset 0 count 1
[ 377.905760] item 181 key (1290523590656 168 40894464) itemoff 6695 itemsize 53
[ 377.905762] extent refs 1 gen 21147 flags 1
[ 377.905763] ref#0: extent data backref root 5 objectid 2054542 offset 241172480 count 1
[ 377.905765] item 182 key (1290564485120 168 17825792) itemoff 6642 itemsize 53
[ 377.905766] extent refs 1 gen 21147 flags 1
[ 377.905767] ref#0: extent data backref root 5 objectid 2054542 offset 282066944 count 1
[ 377.905769] item 183 key (1290582310912 168 3145728) itemoff 6589 itemsize 53
[ 377.905771] extent refs 1 gen 21147 flags 1
[ 377.905772] ref#0: extent data backref root 5 objectid 2054542 offset 299892736 count 1
[ 377.905773] item 184 key (1290585456640 168 12582912) itemoff 6536 itemsize 53
[ 377.905775] extent refs 1 gen 21147 flags 1
[ 377.905776] ref#0: extent data backref root 5 objectid 2054542 offset 303038464 count 1
[ 377.905778] item 185 key (1290598039552 168 6897664) itemoff 6483 itemsize 53
[ 377.905779] extent refs 1 gen 21395 flags 1
[ 377.905780] ref#0: extent data backref root 5 objectid 2054958 offset 0 count 1
[ 377.905782] item 186 key (1290604937216 168 241664) itemoff 6430 itemsize 53
[ 377.905784] extent refs 1 gen 25736 flags 1
[ 377.905784] ref#0: extent data backref root 5 objectid 2063949 offset 0 count 1
[ 377.905786] item 187 key (1290605178880 168 221184) itemoff 6377 itemsize 53
[ 377.905788] extent refs 1 gen 25736 flags 1
[ 377.905789] ref#0: extent data backref root 5 objectid 2063950 offset 0 count 1
[ 377.905790] item 188 key (1290605400064 168 204800) itemoff 6324 itemsize 53
[ 377.905792] extent refs 1 gen 25740 flags 1
[ 377.905793] ref#0: extent data backref root 5 objectid 2065258 offset 0 count 1
[ 377.905795] item 189 key (1290605604864 168 139264) itemoff 6271 itemsize 53
[ 377.905796] extent refs 1 gen 26660 flags 1
[ 377.905797] ref#0: extent data backref root 5 objectid 2067395 offset 0 count 1
[ 377.905799] item 190 key (1290605748224 168 13193216) itemoff 6218 itemsize 53
[ 377.905801] extent refs 1 gen 19384 flags 1
[ 377.905802] ref#0: extent data backref root 5 objectid 586770 offset 0 count 1
[ 377.905804] item 191 key (1290618941440 168 151552) itemoff 6165 itemsize 53
[ 377.905805] extent refs 1 gen 25740 flags 1
[ 377.905806] ref#0: extent data backref root 5 objectid 2065260 offset 0 count 1
[ 377.905808] item 192 key (1290619092992 168 110592) itemoff 6112 itemsize 53
[ 377.905809] extent refs 1 gen 26660 flags 1
[ 377.905810] ref#0: extent data backref root 5 objectid 2067804 offset 0 count 1
[ 377.905812] item 193 key (1290619203584 168 172032) itemoff 6059 itemsize 53
[ 377.905813] extent refs 1 gen 25736 flags 1
[ 377.905814] ref#0: extent data backref root 5 objectid 2063952 offset 0 count 1
[ 377.905816] item 194 key (1290619375616 168 24268800) itemoff 6006 itemsize 53
[ 377.905818] extent refs 1 gen 1054 flags 1
[ 377.905819] ref#0: extent data backref root 5 objectid 371421 offset 0 count 1
[ 377.905820] item 195 key (1290644430848 168 720896) itemoff 5953 itemsize 53
[ 377.905822] extent refs 1 gen 35098 flags 1
[ 377.905823] ref#0: extent data backref root 5 objectid 2119121 offset 0 count 1
[ 377.905824] item 196 key (1290645741568 168 327680) itemoff 5900 itemsize 53
[ 377.905826] extent refs 1 gen 35098 flags 1
[ 377.905827] ref#0: extent data backref root 5 objectid 2119121 offset 68616192 count 1
[ 377.905829] item 197 key (1290650361856 168 1236992) itemoff 5847 itemsize 53
[ 377.905830] extent refs 1 gen 22232 flags 1
[ 377.905831] ref#0: extent data backref root 5 objectid 2057149 offset 0 count 1
[ 377.905833] item 198 key (1290651598848 168 24576) itemoff 5794 itemsize 53
[ 377.905834] extent refs 1 gen 27206 flags 1
[ 377.905835] ref#0: extent data backref root 5 objectid 2071940 offset 0 count 1
[ 377.905837] item 199 key (1290651623424 168 16384) itemoff 5741 itemsize 53
[ 377.905839] extent refs 1 gen 27206 flags 1
[ 377.905840] ref#0: extent data backref root 5 objectid 2071943 offset 0 count 1
[ 377.905841] item 200 key (1290651643904 168 7168000) itemoff 5688 itemsize 53
[ 377.905843] extent refs 1 gen 1054 flags 1
[ 377.905844] ref#0: extent data backref root 5 objectid 371423 offset 0 count 1
[ 377.905845] item 201 key (1290658811904 168 6791168) itemoff 5635 itemsize 53
[ 377.905847] extent refs 1 gen 35058 flags 1
[ 377.905848] ref#0: extent data backref root 5 objectid 2118844 offset 0 count 1
[ 377.905850] item 202 key (1290665631744 168 147456) itemoff 5582 itemsize 53
[ 377.905851] extent refs 1 gen 25740 flags 1
[ 377.905852] ref#0: extent data backref root 5 objectid 2065262 offset 0 count 1
[ 377.905854] item 203 key (1290665779200 168 147456) itemoff 5529 itemsize 53
[ 377.905855] extent refs 1 gen 25740 flags 1
[ 377.905856] ref#0: extent data backref root 5 objectid 2065264 offset 0 count 1
[ 377.905858] item 204 key (1290665926656 168 24576) itemoff 5476 itemsize 53
[ 377.905860] extent refs 1 gen 27206 flags 1
[ 377.905860] ref#0: extent data backref root 5 objectid 2071944 offset 0 count 1
[ 377.905862] item 205 key (1290665955328 168 1814528) itemoff 5423 itemsize 53
[ 377.905864] extent refs 1 gen 1055 flags 1
[ 377.905865] ref#0: extent data backref root 5 objectid 371438 offset 0 count 1
[ 377.905866] item 206 key (1290667769856 168 303104) itemoff 5370 itemsize 53
[ 377.905868] extent refs 1 gen 1058 flags 1
[ 377.905869] ref#0: extent data backref root 5 objectid 371693 offset 0 count 1
[ 377.905871] item 207 key (1290668072960 168 8192) itemoff 5317 itemsize 53
[ 377.905872] extent refs 1 gen 1213 flags 1
[ 377.905873] ref#0: extent data backref root 5 objectid 478002 offset 0 count 1
[ 377.905875] item 208 key (1290668081152 168 134217728) itemoff 5264 itemsize 53
[ 377.905876] extent refs 1 gen 19352 flags 1
[ 377.905878] ref#0: extent data backref root 5 objectid 586525 offset 7728005120 count 1
[ 377.905880] BTRFS error (device sde1): unable to find ref byte nr 1290648166400 parent 0 root 1 owner 4790 offset 0
[ 377.905883] ------------[ cut here ]------------
[ 377.905884] BTRFS: Transaction aborted (error -2)
[ 377.905909] WARNING: CPU: 10 PID: 33888 at fs/btrfs/extent-tree.c:3076 __btrfs_free_extent+0x870/0xb40 [btrfs]
[ 377.905951] Modules linked in: uinput xt_conntrack xt_MASQUERADE nf_conntrack_netlink xt_addrtype iptable_filter br_netfilter overlay macvlan rfcomm snd_seq_dummy snd_hrtimer snd_seq snd_seq_device nft_reject_ipv4 nf_reject_ipv4 nft_reject nft_ct nft_masq nft_chain_nat nf_tables nfnetlink nf_nat_h323 nf_conntrack_h323 nf_nat_pptp nf_conntrack_pptp nf_nat_tftp nf_conntrack_tftp nf_nat_sip nf_conntrack_sip nf_nat_irc nf_conntrack_irc nf_nat_ftp nf_conntrack_ftp iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 bridge stp llc cmac algif_hash algif_skcipher af_alg bnep lm75 snd_hda_codec_realtek snd_hda_codec_generic xpad ledtrig_audio ff_memless eeepc_wmi asus_wmi intel_rapl_msr sparse_keymap platform_profile video wmi_bmof mxm_wmi mousedev joydev intel_rapl_common asus_wmi_sensors ath10k_pci ath10k_core edac_mce_amd ath kvm_amd mac80211 kvm btusb snd_hda_intel btrtl snd_intel_dspcfg btbcm snd_intel_sdw_acpi btintel snd_hda_codec libarc4 irqbypass btmtk crct10dif_pclmul
[ 377.905991] crc32_pclmul ghash_clmulni_intel snd_hda_core bluetooth aesni_intel snd_hwdep cfg80211 crypto_simd snd_pcm cryptd atlantic igb snd_timer sp5100_tco ecdh_generic snd rapl pcspkr crc16 soundcore ccp i2c_piix4 zenpower(OE) rfkill macsec dca tpm_crb tpm_tis wmi tpm_tis_core tpm gpio_amdpt rng_core gpio_generic pinctrl_amd mac_hid acpi_cpufreq nls_iso8859_1 vfat ntfs3 squashfs fat vboxnetflt(OE) vboxnetadp(OE) vboxdrv(OE) ipmi_devintf auth_rpcgss ipmi_msghandler sg crypto_user sunrpc fuse zram ip_tables x_tables uas usb_storage usbhid btrfs blake2b_generic libcrc32c crc32c_generic xor raid6_pq nvidia_uvm(POE) nvidia_drm(POE) nvidia_modeset(POE) crc32c_intel nvme nvme_core xhci_pci xhci_pci_renesas nvidia(POE)
[ 377.906026] CPU: 10 PID: 33888 Comm: btrfs-transacti Tainted: P W OE 5.17.3-256-tkg-bmq #1 366f3c65c682c05a304400425dbacf86ae02ae9c
[ 377.906029] Hardware name: System manufacturer System Product Name/ROG ZENITH EXTREME, BIOS 2001 07/31/2019
[ 377.906030] RIP: 0010:__btrfs_free_extent+0x870/0xb40 [btrfs]
[ 377.906071] Code: 48 05 48 0a 00 00 f0 48 0f ba 28 03 0f 92 c0 41 5a 84 c0 0f 85 04 12 0d 00 be fe ff ff ff 48 c7 c7 c0 05 ec c2 e8 e4 bd 6a e0 <0f> 0b e9 ec 11 0d 00 ff c8 48 8b 7d 00 b9 11 00 00 00 4c 89 f6 89
[ 377.906073] RSP: 0018:ffffbafda56ffbd8 EFLAGS: 00010286
[ 377.906074] RAX: 0000000000000000 RBX: ffff9f2afb9a4cb0 RCX: 0000000000000027
[ 377.906076] RDX: ffff9f311f4a0528 RSI: 0000000000000001 RDI: ffff9f311f4a0520
[ 377.906077] RBP: ffff9f2afb9a42a0 R08: ffff9f313feeb6e8 R09: 0000000000000000
[ 377.906079] R10: 00000000ffffbfff R11: 0000000000000003 R12: 0000012c80a02000
[ 377.906080] R13: 00000000000012b6 R14: 0000000000000000 R15: 00000000fffffffe
[ 377.906082] FS: 0000000000000000(0000) GS:ffff9f311f480000(0000) knlGS:0000000000000000
[ 377.906084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 377.906085] CR2: 0000000000000003 CR3: 00000002aa516000 CR4: 00000000003506e0
[ 377.906087] Call Trace:
[ 377.906087] <TASK>
[ 377.906090] __btrfs_run_delayed_refs+0x26d/0x11b0 [btrfs 09f75c5ff7454e6418ca94deea832a3f24f1dfd9]
[ 377.906131] ? release_extent_buffer+0x94/0xb0 [btrfs 09f75c5ff7454e6418ca94deea832a3f24f1dfd9]
[ 377.906180] btrfs_run_delayed_refs+0x73/0x1f0 [btrfs 09f75c5ff7454e6418ca94deea832a3f24f1dfd9]
[ 377.906221] commit_cowonly_roots+0x1dc/0x230 [btrfs 09f75c5ff7454e6418ca94deea832a3f24f1dfd9]
[ 377.906264] btrfs_commit_transaction+0x528/0xb30 [btrfs 09f75c5ff7454e6418ca94deea832a3f24f1dfd9]
[ 377.906307] ? start_transaction+0x3a4/0x610 [btrfs 09f75c5ff7454e6418ca94deea832a3f24f1dfd9]
[ 377.906350] transaction_kthread+0x139/0x1a0 [btrfs 09f75c5ff7454e6418ca94deea832a3f24f1dfd9]
[ 377.906392] ? btrfs_cleanup_transaction.isra.0+0x580/0x580 [btrfs 09f75c5ff7454e6418ca94deea832a3f24f1dfd9]
[ 377.906435] kthread+0x13a/0x160
[ 377.906439] ? kthread_complete_and_exit+0x20/0x20
[ 377.906443] ret_from_fork+0x1f/0x30
[ 377.906447] </TASK>
[ 377.906448] ---[ end trace 0000000000000000 ]---
[ 377.906450] BTRFS: error (device sde1) in __btrfs_free_extent:3076: errno=-2 No such entry
[ 377.906453] BTRFS info (device sde1): forced readonly
[ 377.906455] BTRFS: error (device sde1) in btrfs_run_delayed_refs:2159: errno=-2 No such entry
[ 377.906458] BTRFS warning (device sde1): Skipping commit of aborted transaction.
[ 377.906460] BTRFS: error (device sde1) in cleanup_transaction:1974: errno=-2 No such entrybtrfs check also find a ton of errors like these:
ref mismatch on [5959064322048 16384] extent item 0, found 1
496500 tree backref 5959064322048 root 7 not found in extent tree
496501 backpointer mismatch on [5959064322048 16384]Only a few days ago I did a complete check of it against its backup with rsync and checksum checks and found no errors.
I have tried to use btrfs check --repair, with and without --init-extent-tree, btrfs rescue chunk-recover and zero-log to no avail. smartctl report no errors and a short test passes successfully. Is there no hope? Is the only option to recover from a backup?
Last edited by patlefort (2022-04-18 23:07:28)
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