* Re: BTRFS kernel error on mounted partition. Partition has errors detected but not repaired by btrfs-check.
2015-09-22 13:06 ` Sylvain Joyeux
@ 2015-09-22 13:23 ` Sylvain Joyeux
0 siblings, 0 replies; 4+ messages in thread
From: Sylvain Joyeux @ 2015-09-22 13:23 UTC (permalink / raw)
To: Hugo Mills, Sylvain Joyeux, linux-btrfs
Output of first btrfs check --repair (also removed all "bad metadata
..." messages). (TL;DR: The repair failed with "Error: could not find
btree root extent for root 1406")
squidock# ./btrfs check --repair /dev/sdc1
enabling repair mode
Checking filesystem on /dev/sdc1
UUID: 14ea871f-1e47-49b3-9f9b-4ded4f510b0b
checking extents
ref mismatch on [315025031168 16384] extent item 0, found 1
repair deleting extent record: key 315025031168 169 1
adding new tree backref on start 315025031168 len 16384 parent 0 root 1406
Backref 315025031168 parent 1406 root 1406 not found in extent tree
backpointer mismatch on [315025031168 16384]
owner ref check failed [315025031168 16384]
ref mismatch on [315025096704 16384] extent item 0, found 1
repair deleting extent record: key 315025096704 169 1
adding new tree backref on start 315025096704 len 16384 parent 0 root 1406
Backref 315025096704 parent 1406 root 1406 not found in extent tree
backpointer mismatch on [315025096704 16384]
owner ref check failed [315025096704 16384]
Backref 320658194432 parent 2 root 2 not found in extent tree
Backref 320658194432 root 2 not referenced back 0x1dfd480
Incorrect global backref count on 320658194432 found 1 wanted 0
backpointer mismatch on [320658194432 16384]
Backref 330021388288 parent 2 root 2 not found in extent tree
Backref 330021388288 root 2 not referenced back 0x1ce34d0
Incorrect global backref count on 330021388288 found 1 wanted 0
backpointer mismatch on [330021388288 16384]
ref mismatch on [334835515392 16384] extent item 0, found 1
repair deleting extent record: key 334835515392 169 1
adding new tree backref on start 334835515392 len 16384 parent 0 root 1406
Backref 334835515392 parent 1406 root 1406 not found in extent tree
backpointer mismatch on [334835515392 16384]
owner ref check failed [334835515392 16384]
ref mismatch on [334838005760 16384] extent item 0, found 1
repair deleting extent record: key 334838005760 169 1
adding new tree backref on start 334838005760 len 16384 parent 0 root 1406
Backref 334838005760 parent 1406 root 1406 not found in extent tree
backpointer mismatch on [334838005760 16384]
owner ref check failed [334838005760 16384]
ref mismatch on [334840741888 16384] extent item 0, found 1
repair deleting extent record: key 334840741888 169 1
adding new tree backref on start 334840741888 len 16384 parent 0 root 1406
Backref 334840741888 parent 1406 root 1406 not found in extent tree
backpointer mismatch on [334840741888 16384]
owner ref check failed [334840741888 16384]
ref mismatch on [334844133376 16384] extent item 0, found 1
repair deleting extent record: key 334844133376 169 1
adding new tree backref on start 334844133376 len 16384 parent 0 root 1406
Backref 334844133376 parent 1406 root 1406 not found in extent tree
backpointer mismatch on [334844133376 16384]
owner ref check failed [334844133376 16384]
ref mismatch on [334854930432 16384] extent item 13, found 14
repair deleting extent record: key 334854930432 169 1
adding new tree backref on start 334854930432 len 16384 parent 0 root 1442
adding new tree backref on start 334854930432 len 16384 parent 0 root 1441
adding new tree backref on start 334854930432 len 16384 parent 0 root 1438
adding new tree backref on start 334854930432 len 16384 parent 0 root 1437
adding new tree backref on start 334854930432 len 16384 parent 0 root 1436
adding new tree backref on start 334854930432 len 16384 parent 0 root 1434
adding new tree backref on start 334854930432 len 16384 parent 0 root 1433
adding new tree backref on start 334854930432 len 16384 parent 0 root 1423
adding new tree backref on start 334854930432 len 16384 parent 0 root 1422
adding new tree backref on start 334854930432 len 16384 parent 0 root 1418
adding new tree backref on start 334854930432 len 16384 parent 0 root 1414
adding new tree backref on start 334854930432 len 16384 parent 0 root 1410
adding new tree backref on start 334854930432 len 16384 parent 0 root 1395
adding new tree backref on start 334854930432 len 16384 parent 0 root 1406
Backref 334854930432 parent 1406 root 1406 not found in extent tree
backpointer mismatch on [334854930432 16384]
ref mismatch on [334861041664 16384] extent item 0, found 1
repair deleting extent record: key 334861041664 169 1
adding new tree backref on start 334861041664 len 16384 parent 0 root 1406
Backref 334861041664 parent 1406 root 1406 not found in extent tree
backpointer mismatch on [334861041664 16384]
owner ref check failed [334861041664 16384]
ref mismatch on [334864269312 16384] extent item 0, found 1
repair deleting extent record: key 334864269312 169 1
adding new tree backref on start 334864269312 len 16384 parent 0 root 1406
Backref 334864269312 parent 1406 root 1406 not found in extent tree
backpointer mismatch on [334864269312 16384]
owner ref check failed [334864269312 16384]
ref mismatch on [338452496384 16384] extent item 0, found 1
repair deleting extent record: key 338452496384 169 1
adding new tree backref on start 338452496384 len 16384 parent 0 root 1406
Backref 338452496384 parent 1406 root 1406 not found in extent tree
backpointer mismatch on [338452496384 16384]
owner ref check failed [338452496384 16384]
ref mismatch on [338463244288 16384] extent item 0, found 1
repair deleting extent record: key 338463244288 169 1
adding new tree backref on start 338463244288 len 16384 parent 0 root 1406
Backref 338463244288 parent 1406 root 1406 not found in extent tree
backpointer mismatch on [338463244288 16384]
owner ref check failed [338463244288 16384]
ref mismatch on [338483609600 16384] extent item 0, found 1
repair deleting extent record: key 338483609600 169 1
adding new tree backref on start 338483609600 len 16384 parent 0 root 1406
Backref 338483609600 parent 1406 root 1406 not found in extent tree
backpointer mismatch on [338483609600 16384]
owner ref check failed [338483609600 16384]
ref mismatch on [338518589440 16384] extent item 5, found 6
repair deleting extent record: key 338518589440 169 1
adding new tree backref on start 338518589440 len 16384 parent 0 root 1423
adding new tree backref on start 338518589440 len 16384 parent 0 root 1422
adding new tree backref on start 338518589440 len 16384 parent 0 root 1418
adding new tree backref on start 338518589440 len 16384 parent 0 root 1414
adding new tree backref on start 338518589440 len 16384 parent 0 root 1410
adding new tree backref on start 338518589440 len 16384 parent 0 root 1406
Backref 338518589440 parent 1406 root 1406 not found in extent tree
backpointer mismatch on [338518589440 16384]
ref mismatch on [338518671360 16384] extent item 0, found 1
repair deleting extent record: key 338518671360 169 1
adding new tree backref on start 338518671360 len 16384 parent 0 root 1406
Backref 338518671360 parent 1406 root 1406 not found in extent tree
backpointer mismatch on [338518671360 16384]
owner ref check failed [338518671360 16384]
repaired damaged extent references
Error: could not find btree root extent for root 1406
2015-09-22 10:06 GMT-03:00 Sylvain Joyeux <sylvain.joyeux@m4x.org>:
>> Not attached to this email. :) Can you just put the text inline?
>
> Damn. Here they are.
>
> For the record, I felt dumb since the original files (from a week ago)
> were using btrfs-progs 3.19 (I thought I was using 4.2). "Luckily" it
> happened again today on another drive, so I'm sending this instead. I
> can at least say that it is becoming a very recurring problem for me
> (3 times in a single week, and on 2 different drives). The drive from
> today is a USB drive (WD my passport Ultra, is USB a problem ?) on
> which I only transfer snapshots with send/receive. The other drive is
> a SATA drive (Seagate) on which I both transfer snapshots and work (I
> have VMs on it, marked with NOCOW).
>
> The kernel is an ubuntu-provided vanilla kernel, no Ubuntu patches
> applied. I can now say that the symptom appeared while running on this
> kernel (which obviously does not mean that it did not happen already
> on 4.2 ...)
>
> I'm going to re-run --repair to see if 4.2 would fix those.
>
> uname -a
>
> Linux squidock 4.0.7-040007-generic #201507031036 SMP Fri Jul 3
> 10:37:58 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
>
> btrfs-check: I removed all the "bad metadata [....] crossing stripe
> boundary" - of which there were many.
>
> Checking filesystem on /dev/sdc1
> UUID: 14ea871f-1e47-49b3-9f9b-4ded4f510b0b
> checking extents
> ref mismatch on [315025031168 16384] extent item 0, found 1
> Backref 315025031168 parent 1406 root 1406 not found in extent tree
> backpointer mismatch on [315025031168 16384]
> owner ref check failed [315025031168 16384]
> ref mismatch on [315025096704 16384] extent item 0, found 1
> Backref 315025096704 parent 1406 root 1406 not found in extent tree
> backpointer mismatch on [315025096704 16384]
> owner ref check failed [315025096704 16384]
> ref mismatch on [334835515392 16384] extent item 0, found 1
> Backref 334835515392 parent 1406 root 1406 not found in extent tree
> backpointer mismatch on [334835515392 16384]
> owner ref check failed [334835515392 16384]
> ref mismatch on [334838005760 16384] extent item 0, found 1
> Backref 334838005760 parent 1406 root 1406 not found in extent tree
> backpointer mismatch on [334838005760 16384]
> owner ref check failed [334838005760 16384]
> ref mismatch on [334840741888 16384] extent item 0, found 1
> Backref 334840741888 parent 1406 root 1406 not found in extent tree
> backpointer mismatch on [334840741888 16384]
> owner ref check failed [334840741888 16384]
> ref mismatch on [334844133376 16384] extent item 0, found 1
> Backref 334844133376 parent 1406 root 1406 not found in extent tree
> backpointer mismatch on [334844133376 16384]
> owner ref check failed [334844133376 16384]
> ref mismatch on [334854930432 16384] extent item 13, found 14
> Backref 334854930432 parent 1406 root 1406 not found in extent tree
> backpointer mismatch on [334854930432 16384]
> ref mismatch on [334861041664 16384] extent item 0, found 1
> Backref 334861041664 parent 1406 root 1406 not found in extent tree
> backpointer mismatch on [334861041664 16384]
> owner ref check failed [334861041664 16384]
> ref mismatch on [334864269312 16384] extent item 0, found 1
> Backref 334864269312 parent 1406 root 1406 not found in extent tree
> backpointer mismatch on [334864269312 16384]
> owner ref check failed [334864269312 16384]
> ref mismatch on [338452496384 16384] extent item 0, found 1
> Backref 338452496384 parent 1406 root 1406 not found in extent tree
> backpointer mismatch on [338452496384 16384]
> owner ref check failed [338452496384 16384]
> ref mismatch on [338463244288 16384] extent item 0, found 1
> Backref 338463244288 parent 1406 root 1406 not found in extent tree
> backpointer mismatch on [338463244288 16384]
> owner ref check failed [338463244288 16384]
> ref mismatch on [338483609600 16384] extent item 0, found 1
> Backref 338483609600 parent 1406 root 1406 not found in extent tree
> backpointer mismatch on [338483609600 16384]
> owner ref check failed [338483609600 16384]
> ref mismatch on [338518589440 16384] extent item 5, found 6
> Backref 338518589440 parent 1406 root 1406 not found in extent tree
> backpointer mismatch on [338518589440 16384]
> ref mismatch on [338518671360 16384] extent item 0, found 1
> Backref 338518671360 parent 1406 root 1406 not found in extent tree
> backpointer mismatch on [338518671360 16384]
> owner ref check failed [338518671360 16384]
> Errors found in extent allocation tree or chunk allocation
> checking free space cache
> checking fs roots
> warning line 3597
> checking csums
> checking root refs
> found 325603717524 bytes used err is 0
> total csum bytes: 303756628
> total tree bytes: 14641364992
> total fs tree bytes: 13830225920
> total extent tree bytes: 478543872
> btree space waste bytes: 2715556361
> file data blocks allocated: 10396334755840
> referenced 1929183850496
> btrfs-progs v4.2
>
>
> dmesg:
>
> [ 2403.689854] ------------[ cut here ]------------
> [ 2403.689881] WARNING: CPU: 0 PID: 8190 at
> /home/kernel/COD/linux/fs/btrfs/extent-tree.c:5968
> __btrfs_free_extent+0xb63/0xbf0 [btrfs]()
> [ 2403.689882] Modules linked in: ctr ccm msr binfmt_misc bnep
> bbswitch(OE) nls_iso8859_1 ses enclosure arc4 intel_rapl iosf_mbi
> x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm iwlmvm
> crct10dif_pclmul crc32_pclmul ghash_clmulni_intel mac80211 aesni_intel
> aes_x86_64 lrw gf128mul uvcvideo glue_helper ablk_helper
> videobuf2_vmalloc iwlwifi cryptd videobuf2_memops videobuf2_core
> v4l2_common videodev serio_raw joydev btusb uas media cfg80211
> rtsx_pci_ms bluetooth memstick lpc_ich wmi intel_rst mac_hid
> thinkpad_acpi snd_hda_codec_hdmi nvram snd_hda_codec_realtek
> snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec
> snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq
> snd_seq_device snd_timer snd mei_me mei soundcore ie31200_edac
> edac_core shpchp parport_pc ppdev
> [ 2403.689911] lp parport autofs4 btrfs xor raid6_pq hid_generic
> usbhid hid usb_storage i915 rtsx_pci_sdmmc i2c_algo_bit drm_kms_helper
> drm e1000e psmouse ahci ptp libahci rtsx_pci pps_core video
> [ 2403.689924] CPU: 0 PID: 8190 Comm: kworker/u16:1 Tainted: G
> W OE 4.0.7-040007-generic #201507031036
> [ 2403.689926] Hardware name: LENOVO 20ANCTO1WW/20ANCTO1WW, BIOS
> GLET76WW (2.30 ) 01/07/2015
> [ 2403.689943] Workqueue: btrfs-extent-refs btrfs_extent_refs_helper [btrfs]
> [ 2403.689944] ffffffffc059a5e8 ffff880219da7a88 ffffffff817b5644
> 0000000000000000
> [ 2403.689946] 0000000000000000 ffff880219da7ac8 ffffffff81075e3a
> 0000000000001000
> [ 2403.689948] ffff880406ba7f30 0000004958f48000 ffff8800a03fa000
> 0000000000000000
> [ 2403.689950] Call Trace:
> [ 2403.689958] [<ffffffff817b5644>] dump_stack+0x45/0x57
> [ 2403.689961] [<ffffffff81075e3a>] warn_slowpath_common+0x8a/0xc0
> [ 2403.689963] [<ffffffff81075f2a>] warn_slowpath_null+0x1a/0x20
> [ 2403.689974] [<ffffffffc04fc193>] __btrfs_free_extent+0xb63/0xbf0 [btrfs]
> [ 2403.689988] [<ffffffffc05616a5>] ? find_ref_head+0x65/0x90 [btrfs]
> [ 2403.689998] [<ffffffffc0501773>]
> __btrfs_run_delayed_refs+0x973/0x1200 [btrfs]
> [ 2403.690000] [<ffffffff817b2482>] ? __slab_free+0x104/0x25c
> [ 2403.690004] [<ffffffff811d2c49>] ? kmem_cache_alloc+0x1a9/0x230
> [ 2403.690014] [<ffffffffc05060f3>]
> btrfs_run_delayed_refs.part.66+0x73/0x270 [btrfs]
> [ 2403.690023] [<ffffffffc0506398>] delayed_ref_async_start+0x88/0xa0 [btrfs]
> [ 2403.690035] [<ffffffffc0547442>] normal_work_helper+0xc2/0x2b0 [btrfs]
> [ 2403.690046] [<ffffffffc0547862>] btrfs_extent_refs_helper+0x12/0x20 [btrfs]
> [ 2403.690049] [<ffffffff8108f05f>] process_one_work+0x14f/0x420
> [ 2403.690051] [<ffffffff8108f818>] worker_thread+0x118/0x510
> [ 2403.690053] [<ffffffff8108f700>] ? rescuer_thread+0x3d0/0x3d0
> [ 2403.690055] [<ffffffff81094cc9>] kthread+0xc9/0xe0
> [ 2403.690058] [<ffffffff81094c00>] ? kthread_create_on_node+0x180/0x180
> [ 2403.690061] [<ffffffff817bced8>] ret_from_fork+0x58/0x90
> [ 2403.690063] [<ffffffff81094c00>] ? kthread_create_on_node+0x180/0x180
> [ 2403.690065] ---[ end trace 3b99dae1af3249b1 ]---
> [ 2403.690067] BTRFS info (device sdc1): leaf 283463745536 total ptrs
> 231 free space 122
> [ 2403.690069] item 0 key (315023130624 169 0) itemoff 16205 itemsize 78
> [ 2403.690070] extent refs 6 gen 8219 flags 2
> [ 2403.690071] tree block backref root 1440
> [ 2403.690072] tree block backref root 1439
> [ 2403.690073] tree block backref root 1432
> [ 2403.690073] tree block backref root 1431
> [ 2403.690074] tree block backref root 1428
> [ 2403.690075] tree block backref root 1426
> [ 2403.690076] item 1 key (315023147008 169 0) itemoff 16127 itemsize 78
> [ 2403.690077] extent refs 6 gen 8219 flags 2
> [ 2403.690078] tree block backref root 1440
> [ 2403.690078] tree block backref root 1439
> [ 2403.690079] tree block backref root 1432
> [ 2403.690080] tree block backref root 1431
> [ 2403.690081] tree block backref root 1428
> [ 2403.690081] tree block backref root 1426
> [ 2403.690082] item 2 key (315023163392 169 0) itemoff 16049 itemsize 78
> [ 2403.690083] extent refs 6 gen 8219 flags 2
> [ 2403.690084] tree block backref root 1440
> [ 2403.690085] tree block backref root 1439
> [ 2403.690086] tree block backref root 1432
> [ 2403.690086] tree block backref root 1431
> [ 2403.690087] tree block backref root 1428
> [ 2403.690088] tree block backref root 1426
> [ 2403.690089] item 3 key (315023179776 169 0) itemoff 15971 itemsize 78
> [ 2403.690090] extent refs 6 gen 8219 flags 2
> [ 2403.690090] tree block backref root 1440
> [ 2403.690091] tree block backref root 1439
> [ 2403.690092] tree block backref root 1432
> [ 2403.690093] tree block backref root 1431
> [ 2403.690093] tree block backref root 1428
> [ 2403.690094] tree block backref root 1426
> [ 2403.690095] item 4 key (315023196160 169 0) itemoff 15893 itemsize 78
> [ 2403.690096] extent refs 6 gen 8219 flags 2
> [ 2403.690097] tree block backref root 1440
> [ 2403.690097] tree block backref root 1439
> [ 2403.690098] tree block backref root 1432
> [ 2403.690099] tree block backref root 1431
> [ 2403.690100] tree block backref root 1428
> [ 2403.690100] tree block backref root 1426
> [ 2403.690101] item 5 key (315023212544 169 0) itemoff 15860 itemsize 33
> [ 2403.690102] extent refs 1 gen 8286 flags 2
> [ 2403.690103] tree block backref root 2
> [ 2403.690104] item 6 key (315023228928 169 0) itemoff 15827 itemsize 33
> [ 2403.690105] extent refs 1 gen 8286 flags 2
> [ 2403.690106] tree block backref root 2
> [ 2403.690107] item 7 key (315023245312 169 0) itemoff 15794 itemsize 33
> [ 2403.690108] extent refs 1 gen 8286 flags 2
> [ 2403.690108] tree block backref root 2
> [ 2403.690109] item 8 key (315023261696 169 0) itemoff 15716 itemsize 78
> [ 2403.690110] extent refs 6 gen 8219 flags 2
> [ 2403.690111] tree block backref root 1440
> [ 2403.690112] tree block backref root 1439
> [ 2403.690112] tree block backref root 1432
> [ 2403.690113] tree block backref root 1431
> [ 2403.690114] tree block backref root 1428
> [ 2403.690115] tree block backref root 1426
> [ 2403.690116] item 9 key (315023278080 169 0) itemoff 15638 itemsize 78
> [ 2403.690117] extent refs 6 gen 8219 flags 2
> [ 2403.690117] tree block backref root 1440
> [ 2403.690118] tree block backref root 1439
> [ 2403.690119] tree block backref root 1432
> [ 2403.690119] tree block backref root 1431
> [ 2403.690120] tree block backref root 1428
> [ 2403.690121] tree block backref root 1426
> [ 2403.690122] item 10 key (315023294464 169 0) itemoff 15560 itemsize 78
> [ 2403.690123] extent refs 6 gen 8219 flags 2
> [ 2403.690124] tree block backref root 1440
> [ 2403.690124] tree block backref root 1439
> [ 2403.690125] tree block backref root 1432
> [ 2403.690126] tree block backref root 1431
> [ 2403.690126] tree block backref root 1428
> [ 2403.690127] tree block backref root 1426
> [ 2403.690128] item 11 key (315023310848 169 0) itemoff 15482 itemsize 78
> [ 2403.690129] extent refs 6 gen 8219 flags 2
> [ 2403.690130] tree block backref root 1440
> [ 2403.690131] tree block backref root 1439
> [ 2403.690131] tree block backref root 1432
> [ 2403.690132] tree block backref root 1431
> [ 2403.690133] tree block backref root 1428
> [ 2403.690133] tree block backref root 1426
> [ 2403.690134] item 12 key (315023327232 169 0) itemoff 15404 itemsize 78
> [ 2403.690135] extent refs 6 gen 8219 flags 2
> [ 2403.690136] tree block backref root 1440
> [ 2403.690137] tree block backref root 1439
> [ 2403.690138] tree block backref root 1432
> [ 2403.690138] tree block backref root 1431
> [ 2403.690139] tree block backref root 1428
> [ 2403.690140] tree block backref root 1426
> [ 2403.690141] item 13 key (315023343616 169 0) itemoff 15326 itemsize 78
> [ 2403.690142] extent refs 6 gen 8219 flags 2
> [ 2403.690142] tree block backref root 1440
> [ 2403.690143] tree block backref root 1439
> [ 2403.690144] tree block backref root 1432
> [ 2403.690145] tree block backref root 1431
> [ 2403.690145] tree block backref root 1428
> [ 2403.690146] tree block backref root 1426
> [ 2403.690147] item 14 key (315023360000 169 0) itemoff 15248 itemsize 78
> [ 2403.690148] extent refs 6 gen 8219 flags 2
> [ 2403.690149] tree block backref root 1440
> [ 2403.690149] tree block backref root 1439
> [ 2403.690150] tree block backref root 1432
> [ 2403.690151] tree block backref root 1431
> [ 2403.690152] tree block backref root 1428
> [ 2403.690152] tree block backref root 1426
> [ 2403.690153] item 15 key (315023376384 169 0) itemoff 15170 itemsize 78
> [ 2403.690154] extent refs 6 gen 8219 flags 2
> [ 2403.690155] tree block backref root 1440
> [ 2403.690156] tree block backref root 1439
> [ 2403.690156] tree block backref root 1432
> [ 2403.690157] tree block backref root 1431
> [ 2403.690158] tree block backref root 1428
> [ 2403.690159] tree block backref root 1426
> [ 2403.690160] item 16 key (315023392768 169 0) itemoff 15092 itemsize 78
> [ 2403.690160] extent refs 6 gen 8219 flags 2
> [ 2403.690161] tree block backref root 1440
> [ 2403.690162] tree block backref root 1439
> [ 2403.690163] tree block backref root 1432
> [ 2403.690163] tree block backref root 1431
> [ 2403.690164] tree block backref root 1428
> [ 2403.690165] tree block backref root 1426
> [ 2403.690166] item 17 key (315023409152 169 0) itemoff 15059 itemsize 33
> [ 2403.690167] extent refs 1 gen 8219 flags 2
> [ 2403.690167] tree block backref root 1426
> [ 2403.690169] item 18 key (315023425536 169 0) itemoff 15026 itemsize 33
> [ 2403.690169] extent refs 1 gen 8286 flags 2
> [ 2403.690170] tree block backref root 2
> [ 2403.690171] item 19 key (315023441920 169 0) itemoff 14993 itemsize 33
> [ 2403.690172] extent refs 1 gen 8286 flags 2
> [ 2403.690173] tree block backref root 2
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> [ 2403.690175] extent refs 1 gen 8286 flags 2
> [ 2403.690176] tree block backref root 2
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> [ 2403.690178] extent refs 1 gen 8286 flags 2
> [ 2403.690178] tree block backref root 2
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> [ 2403.690180] extent refs 1 gen 8286 flags 2
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> [ 2403.690183] extent refs 1 gen 8286 flags 2
> [ 2403.690184] tree block backref root 2
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> [ 2403.690186] extent refs 1 gen 8219 flags 2
> [ 2403.690186] tree block backref root 1426
> [ 2403.690187] item 25 key (315023572992 169 0) itemoff 14750 itemsize 78
> [ 2403.690188] extent refs 6 gen 8219 flags 2
> [ 2403.690189] tree block backref root 1440
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> [ 2403.690191] tree block backref root 1432
> [ 2403.690191] tree block backref root 1431
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> [ 2403.690194] item 26 key (315023589376 169 0) itemoff 14717 itemsize 33
> [ 2403.690195] extent refs 1 gen 8219 flags 2
> [ 2403.690195] tree block backref root 1426
> [ 2403.690196] item 27 key (315023605760 169 0) itemoff 14675 itemsize 42
> [ 2403.690197] extent refs 2 gen 7758 flags 258
> [ 2403.690198] tree block backref root 1386
> [ 2403.690199] shared block backref parent 315008581632
> [ 2403.690200] item 28 key (315023622144 169 0) itemoff 14642 itemsize 33
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> [ 2403.690202] tree block backref root 1379
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> [ 2403.690204] extent refs 1 gen 7758 flags 258
> [ 2403.690204] tree block backref root 1379
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> [ 2403.690206] extent refs 1 gen 7758 flags 258
> [ 2403.690207] tree block backref root 1379
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> [ 2403.690209] extent refs 1 gen 7758 flags 258
> [ 2403.690210] tree block backref root 1379
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> [ 2403.690212] extent refs 1 gen 7758 flags 258
> [ 2403.690212] tree block backref root 1379
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> [ 2403.690214] extent refs 1 gen 7758 flags 258
> [ 2403.690215] tree block backref root 1379
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> [ 2403.690217] extent refs 1 gen 7758 flags 258
> [ 2403.690218] tree block backref root 1379
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> [ 2403.690220] extent refs 1 gen 7758 flags 258
> [ 2403.690220] tree block backref root 1379
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> [ 2403.690223] tree block backref root 1440
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> [ 2403.690229] tree block backref root 1440
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> [ 2403.690234] item 38 key (315023785984 169 0) itemoff 14222 itemsize 33
> [ 2403.690235] extent refs 1 gen 7758 flags 258
> [ 2403.690236] tree block backref root 1379
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> [ 2403.690238] extent refs 1 gen 7758 flags 258
> [ 2403.690238] tree block backref root 1379
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> [ 2403.690240] extent refs 6 gen 8219 flags 2
> [ 2403.690241] tree block backref root 1440
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> [ 2403.690246] item 41 key (315023835136 169 0) itemoff 14078 itemsize 33
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> [ 2403.690252] extent refs 2 gen 7758 flags 258
> [ 2403.690253] tree block backref root 1383
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> [ 2403.690255] item 44 key (315023884288 169 0) itemoff 13970 itemsize 33
> [ 2403.690255] extent refs 1 gen 7758 flags 258
> [ 2403.690256] tree block backref root 1379
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> [ 2403.690258] extent refs 1 gen 7758 flags 258
> [ 2403.690259] tree block backref root 1379
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> [ 2403.690261] extent refs 2 gen 7758 flags 258
> [ 2403.690261] tree block backref root 1386
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> [ 2403.690263] item 47 key (315023933440 169 0) itemoff 13817 itemsize 78
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> [ 2403.690270] item 48 key (315023949824 169 0) itemoff 13775 itemsize 42
> [ 2403.690271] extent refs 2 gen 7758 flags 258
> [ 2403.690271] tree block backref root 1386
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> [ 2403.690273] item 49 key (315023966208 169 0) itemoff 13733 itemsize 42
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> [ 2403.690275] tree block backref root 1386
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> [ 2403.690284] tree block backref root 1386
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> [ 2403.690290] tree block backref root 1386
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> [ 2403.690294] tree block backref root 1386
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> [ 2403.690297] tree block backref root 1386
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> [ 2403.690304] tree block backref root 1386
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> [ 2403.690490] extent refs 6 gen 8219 flags 2
> [ 2403.690491] tree block backref root 1440
> [ 2403.690492] tree block backref root 1439
> [ 2403.690493] tree block backref root 1432
> [ 2403.690493] tree block backref root 1431
> [ 2403.690494] tree block backref root 1428
> [ 2403.690495] tree block backref root 1426
> [ 2403.690496] item 111 key (315024982016 169 0) itemoff 10958 itemsize 78
> [ 2403.690497] extent refs 6 gen 8219 flags 2
> [ 2403.690497] tree block backref root 1440
> [ 2403.690498] tree block backref root 1439
> [ 2403.690499] tree block backref root 1432
> [ 2403.690500] tree block backref root 1431
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> [ 2403.690501] tree block backref root 1426
> [ 2403.690502] item 112 key (315024998400 169 0) itemoff 10880 itemsize 78
> [ 2403.690503] extent refs 6 gen 8219 flags 2
> [ 2403.690504] tree block backref root 1440
> [ 2403.690504] tree block backref root 1439
> [ 2403.690505] tree block backref root 1432
> [ 2403.690506] tree block backref root 1431
> [ 2403.690507] tree block backref root 1428
> [ 2403.690507] tree block backref root 1426
> [ 2403.690508] item 113 key (315025014784 169 0) itemoff 10811 itemsize 69
> [ 2403.690509] extent refs 5 gen 8012 flags 258
> [ 2403.690510] tree block backref root 1433
> [ 2403.690511] tree block backref root 1422
> [ 2403.690511] tree block backref root 1418
> [ 2403.690512] tree block backref root 1414
> [ 2403.690513] shared block backref parent 305073094656
> [ 2403.690514] item 114 key (315025031168 169 1) itemoff 10769 itemsize 42
> [ 2403.690515] extent refs 2 gen 8012 flags 258
> [ 2403.690516] tree block backref root 1414
> [ 2403.690516] tree block backref root 1410
> [ 2403.690517] item 115 key (315025047552 169 0) itemoff 10709 itemsize 60
> [ 2403.690518] extent refs 4 gen 8012 flags 258
> [ 2403.690519] tree block backref root 1433
> [ 2403.690520] tree block backref root 1422
> [ 2403.690520] tree block backref root 1418
> [ 2403.690521] shared block backref parent 315025031168
> [ 2403.690522] item 116 key (315025063936 169 0) itemoff 10649 itemsize 60
> [ 2403.690523] extent refs 4 gen 8012 flags 258
> [ 2403.690524] tree block backref root 1433
> [ 2403.690525] tree block backref root 1422
> [ 2403.690525] tree block backref root 1418
> [ 2403.690526] shared block backref parent 315025031168
> [ 2403.690527] item 117 key (315025080320 169 0) itemoff 10589 itemsize 60
> [ 2403.690528] extent refs 4 gen 8012 flags 258
> [ 2403.690529] tree block backref root 1433
> [ 2403.690529] tree block backref root 1422
> [ 2403.690530] tree block backref root 1418
> [ 2403.690531] shared block backref parent 315025031168
> [ 2403.690532] item 118 key (315025096704 169 1) itemoff 10547 itemsize 42
> [ 2403.690533] extent refs 2 gen 8012 flags 258
> [ 2403.690534] tree block backref root 1414
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> [ 2403.690535] item 119 key (315025113088 169 0) itemoff 10496 itemsize 51
> [ 2403.690536] extent refs 3 gen 8012 flags 258
> [ 2403.690537] tree block backref root 1418
> [ 2403.690538] shared block backref parent 315025096704
> [ 2403.690539] shared block backref parent 315012513792
> [ 2403.690540] item 120 key (315025129472 169 0) itemoff 10463 itemsize 33
> [ 2403.690540] extent refs 1 gen 8012 flags 258
> [ 2403.690541] shared block backref parent 315025096704
> [ 2403.690542] item 121 key (315025145856 169 0) itemoff 10430 itemsize 33
> [ 2403.690543] extent refs 1 gen 8219 flags 2
> [ 2403.690544] tree block backref root 1426
> [ 2403.690545] item 122 key (315025162240 169 0) itemoff 10352 itemsize 78
> [ 2403.690546] extent refs 6 gen 8219 flags 2
> [ 2403.690547] tree block backref root 1440
> [ 2403.690547] tree block backref root 1439
> [ 2403.690548] tree block backref root 1432
> [ 2403.690549] tree block backref root 1431
> [ 2403.690549] tree block backref root 1428
> [ 2403.690550] tree block backref root 1426
> [ 2403.690551] item 123 key (315025178624 169 0) itemoff 10274 itemsize 78
> [ 2403.690552] extent refs 6 gen 8219 flags 2
> [ 2403.690553] tree block backref root 1440
> [ 2403.690554] tree block backref root 1439
> [ 2403.690554] tree block backref root 1432
> [ 2403.690555] tree block backref root 1431
> [ 2403.690556] tree block backref root 1428
> [ 2403.690556] tree block backref root 1426
> [ 2403.690557] item 124 key (315025195008 169 0) itemoff 10232 itemsize 42
> [ 2403.690558] extent refs 2 gen 8219 flags 2
> [ 2403.690559] tree block backref root 1428
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> [ 2403.690561] item 125 key (315025211392 169 0) itemoff 10154 itemsize 78
> [ 2403.690562] extent refs 6 gen 8219 flags 2
> [ 2403.690562] tree block backref root 1440
> [ 2403.690563] tree block backref root 1439
> [ 2403.690564] tree block backref root 1432
> [ 2403.690565] tree block backref root 1431
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> [ 2403.690567] item 126 key (315025227776 169 0) itemoff 10121 itemsize 33
> [ 2403.690568] extent refs 1 gen 8219 flags 2
> [ 2403.690569] tree block backref root 1426
> [ 2403.690570] item 127 key (315025244160 169 0) itemoff 10088 itemsize 33
> [ 2403.690570] extent refs 1 gen 8219 flags 2
> [ 2403.690571] tree block backref root 1426
> [ 2403.690572] item 128 key (315025260544 169 0) itemoff 10037 itemsize 51
> [ 2403.690573] extent refs 3 gen 8012 flags 258
> [ 2403.690574] tree block backref root 1422
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> [ 2403.690575] tree block backref root 1406
> [ 2403.690576] item 129 key (315025276928 169 0) itemoff 10004 itemsize 33
> [ 2403.690577] extent refs 1 gen 8286 flags 2
> [ 2403.690578] tree block backref root 2
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> [ 2403.690580] extent refs 1 gen 8286 flags 2
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> [ 2403.690583] extent refs 1 gen 8286 flags 2
> [ 2403.690583] tree block backref root 2
> [ 2403.690584] item 132 key (315025326080 169 0) itemoff 9896 itemsize 42
> [ 2403.690585] extent refs 2 gen 7758 flags 258
> [ 2403.690586] tree block backref root 1386
> [ 2403.690587] shared block backref parent 315008581632
> [ 2403.690588] item 133 key (315025342464 169 0) itemoff 9854 itemsize 42
> [ 2403.690589] extent refs 2 gen 7758 flags 258
> [ 2403.690589] tree block backref root 1386
> [ 2403.690590] shared block backref parent 315008581632
> [ 2403.690591] item 134 key (315025358848 169 0) itemoff 9812 itemsize 42
> [ 2403.690592] extent refs 2 gen 7758 flags 258
> [ 2403.690593] tree block backref root 1386
> [ 2403.690594] shared block backref parent 315008581632
> [ 2403.690595] item 135 key (315025375232 169 0) itemoff 9770 itemsize 42
> [ 2403.690596] extent refs 2 gen 7758 flags 258
> [ 2403.690596] tree block backref root 1386
> [ 2403.690597] shared block backref parent 315008581632
> [ 2403.690598] item 136 key (315025391616 169 0) itemoff 9728 itemsize 42
> [ 2403.690599] extent refs 2 gen 7758 flags 258
> [ 2403.690600] tree block backref root 1386
> [ 2403.690600] shared block backref parent 315008581632
> [ 2403.690601] item 137 key (315025408000 169 0) itemoff 9686 itemsize 42
> [ 2403.690602] extent refs 2 gen 7758 flags 258
> [ 2403.690603] tree block backref root 1386
> [ 2403.690604] shared block backref parent 315008581632
> [ 2403.690605] item 138 key (315025424384 169 0) itemoff 9644 itemsize 42
> [ 2403.690606] extent refs 2 gen 7758 flags 258
> [ 2403.690606] tree block backref root 1386
> [ 2403.690607] shared block backref parent 315008581632
> [ 2403.690608] item 139 key (315025440768 169 0) itemoff 9602 itemsize 42
> [ 2403.690609] extent refs 2 gen 7758 flags 258
> [ 2403.690610] tree block backref root 1386
> [ 2403.690610] shared block backref parent 315008581632
> [ 2403.690612] item 140 key (315025457152 169 0) itemoff 9560 itemsize 42
> [ 2403.690612] extent refs 2 gen 7758 flags 258
> [ 2403.690613] tree block backref root 1386
> [ 2403.690614] shared block backref parent 315008581632
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> [ 2403.690616] extent refs 1 gen 8286 flags 2
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> [ 2403.690618] extent refs 2 gen 7758 flags 258
> [ 2403.690619] tree block backref root 1386
> [ 2403.690620] shared block backref parent 315008581632
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> [ 2403.690622] tree block backref root 1386
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> [ 2403.690626] tree block backref root 1386
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> [ 2403.690629] tree block backref root 1386
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> [ 2403.690651] tree block backref root 1386
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> [ 2403.690654] tree block backref root 1386
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> [ 2403.690657] extent refs 2 gen 7758 flags 258
> [ 2403.690658] tree block backref root 1386
> [ 2403.690658] shared block backref parent 315008581632
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> [ 2403.690697] tree block backref root 1440
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> [ 2403.690701] item 167 key (315025899520 169 0) itemoff 8489 itemsize 78
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> [ 2403.690703] tree block backref root 1440
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> [ 2403.690709] tree block backref root 1386
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> [ 2403.690722] tree block backref root 1440
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> [ 2403.690813] item 198 key (315026440192 169 0) itemoff 7106 itemsize 33
> [ 2403.690814] extent refs 1 gen 8286 flags 2
> [ 2403.690815] tree block backref root 2
> [ 2403.690816] item 199 key (315026456576 169 0) itemoff 7073 itemsize 33
> [ 2403.690817] extent refs 1 gen 8286 flags 2
> [ 2403.690817] tree block backref root 2
> [ 2403.690818] item 200 key (315026472960 169 0) itemoff 7040 itemsize 33
> [ 2403.690819] extent refs 1 gen 8286 flags 2
> [ 2403.690820] tree block backref root 2
> [ 2403.690821] item 201 key (315026489344 169 0) itemoff 7007 itemsize 33
> [ 2403.690822] extent refs 1 gen 8286 flags 2
> [ 2403.690823] tree block backref root 2
> [ 2403.690824] item 202 key (315026604032 169 0) itemoff 6974 itemsize 33
> [ 2403.690824] extent refs 1 gen 7672 flags 258
> [ 2403.690825] tree block backref root 1334
> [ 2403.690826] item 203 key (315026669568 169 0) itemoff 6941 itemsize 33
> [ 2403.690827] extent refs 1 gen 7672 flags 258
> [ 2403.690828] tree block backref root 1334
> [ 2403.690829] item 204 key (315026685952 169 0) itemoff 6908 itemsize 33
> [ 2403.690830] extent refs 1 gen 7672 flags 258
> [ 2403.690830] tree block backref root 1334
> [ 2403.690832] item 205 key (315026718720 169 0) itemoff 6875 itemsize 33
> [ 2403.690832] extent refs 1 gen 7672 flags 258
> [ 2403.690833] tree block backref root 1334
> [ 2403.690834] item 206 key (315026751488 169 0) itemoff 6842 itemsize 33
> [ 2403.690835] extent refs 1 gen 8286 flags 2
> [ 2403.690836] tree block backref root 1442
> [ 2403.690837] item 207 key (315026800640 169 0) itemoff 6809 itemsize 33
> [ 2403.690838] extent refs 1 gen 7672 flags 258
> [ 2403.690839] tree block backref root 1334
> [ 2403.690840] item 208 key (315026817024 169 0) itemoff 6776 itemsize 33
> [ 2403.690841] extent refs 1 gen 7672 flags 258
> [ 2403.690842] tree block backref root 1334
> [ 2403.690843] item 209 key (315026833408 169 0) itemoff 6743 itemsize 33
> [ 2403.690844] extent refs 1 gen 7672 flags 258
> [ 2403.690844] tree block backref root 1334
> [ 2403.690845] item 210 key (315026849792 169 0) itemoff 6701 itemsize 42
> [ 2403.690846] extent refs 2 gen 7758 flags 258
> [ 2403.690847] tree block backref root 1386
> [ 2403.690848] shared block backref parent 315008581632
> [ 2403.690849] item 211 key (315026866176 169 0) itemoff 6668 itemsize 33
> [ 2403.690850] extent refs 1 gen 8286 flags 2
> [ 2403.690851] tree block backref root 1442
> [ 2403.690852] item 212 key (315026882560 169 0) itemoff 6626 itemsize 42
> [ 2403.690852] extent refs 2 gen 7758 flags 258
> [ 2403.690853] tree block backref root 1386
> [ 2403.690854] shared block backref parent 315008581632
> [ 2403.690855] item 213 key (315026898944 169 0) itemoff 6593 itemsize 33
> [ 2403.690856] extent refs 1 gen 8286 flags 2
> [ 2403.690856] tree block backref root 1442
> [ 2403.690857] item 214 key (315026915328 169 1) itemoff 6560 itemsize 33
> [ 2403.690858] extent refs 1 gen 8286 flags 2
> [ 2403.690859] tree block backref root 1442
> [ 2403.690860] item 215 key (315026931712 169 0) itemoff 6527 itemsize 33
> [ 2403.690861] extent refs 1 gen 8286 flags 2
> [ 2403.690862] tree block backref root 1442
> [ 2403.690863] item 216 key (315026948096 169 0) itemoff 6485 itemsize 42
> [ 2403.690864] extent refs 2 gen 7758 flags 258
> [ 2403.690864] tree block backref root 1386
> [ 2403.690865] shared block backref parent 315008581632
> [ 2403.690866] item 217 key (315026964480 169 0) itemoff 6443 itemsize 42
> [ 2403.690867] extent refs 2 gen 7758 flags 258
> [ 2403.690868] tree block backref root 1386
> [ 2403.690868] shared block backref parent 315008581632
> [ 2403.690869] item 218 key (315026980864 169 0) itemoff 6401 itemsize 42
> [ 2403.690870] extent refs 2 gen 7758 flags 258
> [ 2403.690871] tree block backref root 1386
> [ 2403.690872] shared block backref parent 315008581632
> [ 2403.690873] item 219 key (315026997248 169 0) itemoff 6359 itemsize 42
> [ 2403.690874] extent refs 2 gen 7758 flags 258
> [ 2403.690874] tree block backref root 1386
> [ 2403.690875] shared block backref parent 315008581632
> [ 2403.690876] item 220 key (315027013632 169 0) itemoff 6317 itemsize 42
> [ 2403.690877] extent refs 2 gen 7758 flags 258
> [ 2403.690878] tree block backref root 1386
> [ 2403.690878] shared block backref parent 315008581632
> [ 2403.690879] item 221 key (315027030016 169 0) itemoff 6275 itemsize 42
> [ 2403.690880] extent refs 2 gen 7758 flags 258
> [ 2403.690881] tree block backref root 1386
> [ 2403.690882] shared block backref parent 315008581632
> [ 2403.690883] item 222 key (315027046400 169 0) itemoff 6233 itemsize 42
> [ 2403.690884] extent refs 2 gen 7758 flags 258
> [ 2403.690884] tree block backref root 1386
> [ 2403.690885] shared block backref parent 315008581632
> [ 2403.690886] item 223 key (315027062784 169 0) itemoff 6191 itemsize 42
> [ 2403.690887] extent refs 2 gen 7758 flags 258
> [ 2403.690888] tree block backref root 1386
> [ 2403.690888] shared block backref parent 315008581632
> [ 2403.690889] item 224 key (315027079168 169 0) itemoff 6149 itemsize 42
> [ 2403.690890] extent refs 2 gen 7758 flags 258
> [ 2403.690891] tree block backref root 1386
> [ 2403.690892] shared block backref parent 315008581632
> [ 2403.690893] item 225 key (315027095552 169 0) itemoff 6107 itemsize 42
> [ 2403.690894] extent refs 2 gen 7758 flags 258
> [ 2403.690894] tree block backref root 1386
> [ 2403.690895] shared block backref parent 315008581632
> [ 2403.690896] item 226 key (315027111936 169 0) itemoff 6065 itemsize 42
> [ 2403.690897] extent refs 2 gen 7758 flags 258
> [ 2403.690898] tree block backref root 1386
> [ 2403.690898] shared block backref parent 315008581632
> [ 2403.690899] item 227 key (315027128320 169 0) itemoff 6023 itemsize 42
> [ 2403.690900] extent refs 2 gen 7758 flags 258
> [ 2403.690901] tree block backref root 1386
> [ 2403.690902] shared block backref parent 315008581632
> [ 2403.690903] item 228 key (315027144704 169 0) itemoff 5981 itemsize 42
> [ 2403.690903] extent refs 2 gen 7758 flags 258
> [ 2403.690904] tree block backref root 1386
> [ 2403.690905] shared block backref parent 315008581632
> [ 2403.690906] item 229 key (315027161088 169 0) itemoff 5939 itemsize 42
> [ 2403.690907] extent refs 2 gen 7758 flags 258
> [ 2403.690907] tree block backref root 1386
> [ 2403.690908] shared block backref parent 315008581632
> [ 2403.690909] item 230 key (315027177472 169 0) itemoff 5897 itemsize 42
> [ 2403.690910] extent refs 2 gen 7758 flags 258
> [ 2403.690911] tree block backref root 1386
> [ 2403.690912] shared block backref parent 315008581632
> [ 2403.690913] BTRFS error (device sdc1): unable to find ref byte nr
> 315025031168 parent 0 root 1406 owner 1 offset 0
> [ 2403.690915] ------------[ cut here ]------------
> [ 2403.690922] WARNING: CPU: 0 PID: 8190 at
> /home/kernel/COD/linux/fs/btrfs/super.c:260
> __btrfs_abort_transaction+0x54/0x130 [btrfs]()
> [ 2403.690923] BTRFS: Transaction aborted (error -2)
> [ 2403.690924] Modules linked in: ctr ccm msr binfmt_misc bnep
> bbswitch(OE) nls_iso8859_1 ses enclosure arc4 intel_rapl iosf_mbi
> x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm iwlmvm
> crct10dif_pclmul crc32_pclmul ghash_clmulni_intel mac80211 aesni_intel
> aes_x86_64 lrw gf128mul uvcvideo glue_helper ablk_helper
> videobuf2_vmalloc iwlwifi cryptd videobuf2_memops videobuf2_core
> v4l2_common videodev serio_raw joydev btusb uas media cfg80211
> rtsx_pci_ms bluetooth memstick lpc_ich wmi intel_rst mac_hid
> thinkpad_acpi snd_hda_codec_hdmi nvram snd_hda_codec_realtek
> snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec
> snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq
> snd_seq_device snd_timer snd mei_me mei soundcore ie31200_edac
> edac_core shpchp parport_pc ppdev
> [ 2403.690948] lp parport autofs4 btrfs xor raid6_pq hid_generic
> usbhid hid usb_storage i915 rtsx_pci_sdmmc i2c_algo_bit drm_kms_helper
> drm e1000e psmouse ahci ptp libahci rtsx_pci pps_core video
> [ 2403.690958] CPU: 0 PID: 8190 Comm: kworker/u16:1 Tainted: G
> W OE 4.0.7-040007-generic #201507031036
> [ 2403.690959] Hardware name: LENOVO 20ANCTO1WW/20ANCTO1WW, BIOS
> GLET76WW (2.30 ) 01/07/2015
> [ 2403.690968] Workqueue: btrfs-extent-refs btrfs_extent_refs_helper [btrfs]
> [ 2403.690969] ffffffffc0599f60 ffff880219da79f8 ffffffff817b5644
> 0000000000000000
> [ 2403.690971] ffff880219da7a48 ffff880219da7a38 ffffffff81075e3a
> ffff880219da7a58
> [ 2403.690973] ffff88042a2e7d10 ffff8803e9e35800 00000000fffffffe
> ffffffffc0596090
> [ 2403.690975] Call Trace:
> [ 2403.690979] [<ffffffff817b5644>] dump_stack+0x45/0x57
> [ 2403.690981] [<ffffffff81075e3a>] warn_slowpath_common+0x8a/0xc0
> [ 2403.690984] [<ffffffff81075eb6>] warn_slowpath_fmt+0x46/0x50
> [ 2403.690991] [<ffffffffc04e8cf4>]
> __btrfs_abort_transaction+0x54/0x130 [btrfs]
> [ 2403.690999] [<ffffffffc04fc1eb>] __btrfs_free_extent+0xbbb/0xbf0 [btrfs]
> [ 2403.691010] [<ffffffffc05616a5>] ? find_ref_head+0x65/0x90 [btrfs]
> [ 2403.691019] [<ffffffffc0501773>]
> __btrfs_run_delayed_refs+0x973/0x1200 [btrfs]
> [ 2403.691021] [<ffffffff817b2482>] ? __slab_free+0x104/0x25c
> [ 2403.691025] [<ffffffff811d2c49>] ? kmem_cache_alloc+0x1a9/0x230
> [ 2403.691033] [<ffffffffc05060f3>]
> btrfs_run_delayed_refs.part.66+0x73/0x270 [btrfs]
> [ 2403.691041] [<ffffffffc0506398>] delayed_ref_async_start+0x88/0xa0 [btrfs]
> [ 2403.691052] [<ffffffffc0547442>] normal_work_helper+0xc2/0x2b0 [btrfs]
> [ 2403.691061] [<ffffffffc0547862>] btrfs_extent_refs_helper+0x12/0x20 [btrfs]
> [ 2403.691063] [<ffffffff8108f05f>] process_one_work+0x14f/0x420
> [ 2403.691065] [<ffffffff8108f818>] worker_thread+0x118/0x510
> [ 2403.691067] [<ffffffff8108f700>] ? rescuer_thread+0x3d0/0x3d0
> [ 2403.691069] [<ffffffff81094cc9>] kthread+0xc9/0xe0
> [ 2403.691071] [<ffffffff81094c00>] ? kthread_create_on_node+0x180/0x180
> [ 2403.691074] [<ffffffff817bced8>] ret_from_fork+0x58/0x90
> [ 2403.691076] [<ffffffff81094c00>] ? kthread_create_on_node+0x180/0x180
> [ 2403.691077] ---[ end trace 3b99dae1af3249b2 ]---
> [ 2403.691079] BTRFS: error (device sdc1) in __btrfs_free_extent:5974:
> errno=-2 No such entry
> [ 2403.691080] BTRFS info (device sdc1): forced readonly
> [ 2403.691082] BTRFS: error (device sdc1) in
> btrfs_run_delayed_refs:2790: errno=-2 No such entry
^ permalink raw reply [flat|nested] 4+ messages in thread