[15685.615948] run fstests generic/648 at 2022-01-16 01:11:53
[15686.085701] BTRFS: device fsid 51401bc9-4d3f-4079-a658-28a4a71bb332 devid 1 transid 6 /dev/mapper/vg0-lv7 scanned by mkfs.btrfs (2589606)
[15686.102341] BTRFS info (device dm-7): flagging fs with big metadata feature
[15686.102557] BTRFS info (device dm-7): using free space tree
[15686.102731] BTRFS info (device dm-7): has skinny extents
[15686.105379] BTRFS info (device dm-7): checking UUID tree
[15686.368632] BTRFS: device fsid 9a87319e-aaf3-45fe-9c73-670f329709b6 devid 1 transid 6 /dev/mapper/vg0-lv7 scanned by mkfs.btrfs (2589682)
[15686.471213] BTRFS info (device dm-9): flagging fs with big metadata feature
[15686.471445] BTRFS info (device dm-9): using free space tree
[15686.471614] BTRFS info (device dm-9): has skinny extents
[15686.479006] BTRFS info (device dm-9): checking UUID tree
[15686.831475] loop0: detected capacity change from 0 to 6629376
[15686.838242] BTRFS: device fsid ae93a6ba-5fc4-4f51-bf23-239ba973c839 devid 1 transid 6 /dev/loop0 scanned by systemd-udevd (2587961)
[15686.843651] BTRFS info (device loop0): flagging fs with big metadata feature
[15686.843874] BTRFS info (device loop0): using free space tree
[15686.844048] BTRFS info (device loop0): has skinny extents
[15686.846085] BTRFS info (device loop0): enabling ssd optimizations
[15686.846991] BTRFS info (device loop0): checking UUID tree
[15687.860665] BTRFS warning (device dm-9): lost page write due to IO error on /dev/mapper/error-test (-5)
[15687.861029] btrfs_dev_stat_print_on_error: 8 callbacks suppressed
[15687.861031] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15687.861854] BTRFS error (device dm-9): error writing primary super block to device 1
[15687.862127] BTRFS: error (device dm-9) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15687.862465] BTRFS info (device dm-9): forced readonly
[15687.862645] BTRFS: error (device dm-9) in btrfs_sync_log:3322: errno=-5 IO failure
[15687.862922] loop: Write error at byte offset 67108864, length 4096.
[15687.863296] blk_print_req_error: 69 callbacks suppressed
[15687.863298] I/O error, dev loop0, sector 128 op 0x1:(WRITE) flags 0x3800 phys_seg 1 prio class 0
[15687.863774] BTRFS warning (device loop0): lost page write due to IO error on /dev/loop0 (-5)
[15687.864063] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15687.864376] I/O error, dev loop0, sector 131072 op 0x1:(WRITE) flags 0x3800 phys_seg 1 prio class 0
[15687.864682] BTRFS warning (device loop0): lost page write due to IO error on /dev/loop0 (-5)
[15687.864959] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 2, rd 0, flush 0, corrupt 0, gen 0
[15687.865297] BTRFS error (device loop0): error writing primary super block to device 1
[15687.865581] BTRFS: error (device loop0) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15687.865924] BTRFS info (device loop0): forced readonly
[15687.866104] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[15687.866383] BTRFS: error (device loop0) in cleanup_transaction:1928: errno=-5 IO failure
[15687.867450] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15689.923089] BTRFS info (device dm-9): flagging fs with big metadata feature
[15689.923317] BTRFS info (device dm-9): using free space tree
[15689.923488] BTRFS info (device dm-9): has skinny extents
[15689.925550] BTRFS info (device dm-9): start tree-log replay
[15689.968544] loop0: detected capacity change from 0 to 6629376
[15689.978588] BTRFS info (device loop0): flagging fs with big metadata feature
[15689.978812] BTRFS info (device loop0): using free space tree
[15689.978986] BTRFS info (device loop0): has skinny extents
[15689.981597] BTRFS info (device loop0): enabling ssd optimizations
[15690.992677] BTRFS warning (device dm-9): lost page write due to IO error on /dev/mapper/error-test (-5)
[15690.992974] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15690.993296] BTRFS error (device dm-9): error writing primary super block to device 1
[15690.993553] BTRFS: error (device dm-9) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15690.993857] BTRFS info (device dm-9): forced readonly
[15690.994020] BTRFS: error (device dm-9) in btrfs_sync_log:3322: errno=-5 IO failure
[15690.994420] loop: Write error at byte offset 43352064, length 4096.
[15690.994422] I/O error, dev loop0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
[15690.994608] loop: Write error at byte offset 311787520, length 4096.
[15690.994975] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 0, rd 0, flush 1, corrupt 0, gen 0
[15690.995461] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[15690.995758] BTRFS: error (device loop0) in write_all_supers:4313: errno=-5 IO failure (errors while submitting device barriers.)
[15690.996058] BTRFS info (device loop0): forced readonly
[15690.996221] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[15690.996467] BTRFS: error (device loop0) in cleanup_transaction:1928: errno=-5 IO failure
[15690.997614] I/O error, dev loop0, sector 84672 op 0x1:(WRITE) flags 0x1800 phys_seg 12 prio class 0
[15690.997897] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 1, rd 0, flush 1, corrupt 0, gen 0
[15690.998159] I/O error, dev loop0, sector 608960 op 0x1:(WRITE) flags 0x1800 phys_seg 12 prio class 0
[15690.998530] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 2, rd 0, flush 1, corrupt 0, gen 0
[15690.999325] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15691.000218] BTRFS warning (device loop0): csum hole found for disk bytenr range [306737152, 306741248)
[15691.000641] BTRFS warning (device loop0): csum hole found for disk bytenr range [306741248, 306745344)
[15691.001043] BTRFS warning (device loop0): csum hole found for disk bytenr range [306745344, 306749440)
[15691.001508] BTRFS warning (device loop0): csum hole found for disk bytenr range [306749440, 306753536)
[15691.001927] BTRFS warning (device loop0): csum hole found for disk bytenr range [306753536, 306757632)
[15691.002337] BTRFS warning (device loop0): csum hole found for disk bytenr range [306757632, 306761728)
[15691.002740] BTRFS warning (device loop0): csum hole found for disk bytenr range [306761728, 306765824)
[15691.003135] BTRFS warning (device loop0): csum hole found for disk bytenr range [306765824, 306769920)
[15691.003594] BTRFS warning (device loop0): csum hole found for disk bytenr range [306769920, 306774016)
[15691.003928] BTRFS warning (device loop0): csum hole found for disk bytenr range [323006464, 323010560)
[15691.004093] BTRFS warning (device loop0): csum failed root 5 ino 385 off 647168 csum 0x99f505b8 expected csum 0x00000000 mirror 1
[15691.004777] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 2, rd 0, flush 1, corrupt 1, gen 0
[15691.005163] BTRFS warning (device loop0): csum failed root 5 ino 385 off 651264 csum 0x49d7fbbb expected csum 0x00000000 mirror 1
[15691.005608] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 2, rd 0, flush 1, corrupt 2, gen 0
[15691.006090] BTRFS warning (device loop0): csum failed root 5 ino 385 off 655360 csum 0x49d7fbbb expected csum 0x00000000 mirror 1
[15691.006304] BTRFS warning (device loop0): csum failed root 5 ino 385 off 659456 csum 0x49d7fbbb expected csum 0x00000000 mirror 1
[15691.006508] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 2, rd 0, flush 1, corrupt 3, gen 0
[15691.006893] BTRFS warning (device loop0): csum failed root 5 ino 385 off 663552 csum 0x49d7fbbb expected csum 0x00000000 mirror 1
[15691.007225] BTRFS warning (device loop0): csum failed root 5 ino 385 off 667648 csum 0x49d7fbbb expected csum 0x00000000 mirror 1
[15691.007604] BTRFS warning (device loop0): csum failed root 5 ino 385 off 671744 csum 0x49d7fbbb expected csum 0x00000000 mirror 1
[15691.007986] BTRFS warning (device loop0): csum failed root 5 ino 385 off 675840 csum 0x49d7fbbb expected csum 0x00000000 mirror 1
[15691.008466] BTRFS warning (device loop0): csum failed root 5 ino 385 off 679936 csum 0x49d7fbbb expected csum 0x00000000 mirror 1
[15691.009426] BTRFS warning (device loop0): csum failed root 5 ino 385 off 684032 csum 0x49d7fbbb expected csum 0x00000000 mirror 1
[15691.010356] loop: Write error at byte offset 20582400, length 4096.
[15691.011007] I/O error, dev loop0, sector 40200 op 0x1:(WRITE) flags 0x0 phys_seg 4 prio class 0
[15693.080476] BTRFS info (device dm-9): flagging fs with big metadata feature
[15693.080716] BTRFS info (device dm-9): using free space tree
[15693.080888] BTRFS info (device dm-9): has skinny extents
[15693.082922] BTRFS info (device dm-9): start tree-log replay
[15693.102582] loop0: detected capacity change from 0 to 6629376
[15693.115610] BTRFS info (device loop0): flagging fs with big metadata feature
[15693.115829] BTRFS info (device loop0): using free space tree
[15693.116000] BTRFS info (device loop0): has skinny extents
[15693.119322] BTRFS info (device loop0): enabling ssd optimizations
[15693.119514] BTRFS info (device loop0): start tree-log replay
[15693.164329] BTRFS warning (device dm-9): lost page write due to IO error on /dev/mapper/error-test (-5)
[15693.164630] btrfs_dev_stat_print_on_error: 39 callbacks suppressed
[15693.164632] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15693.165109] BTRFS error (device dm-9): error writing primary super block to device 1
[15693.165375] BTRFS: error (device dm-9) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15693.165673] BTRFS info (device dm-9): forced readonly
[15693.165832] BTRFS: error (device dm-9) in btrfs_sync_log:3322: errno=-5 IO failure
[15693.166534] loop: Write error at byte offset 598044672, length 4096.
[15693.166729] loop: Write error at byte offset 20578304, length 4096.
[15693.166911] loop: Write error at byte offset 599113728, length 4096.
[15693.167130] I/O error, dev loop0, sector 40192 op 0x1:(WRITE) flags 0x0 phys_seg 7 prio class 0
[15693.167153] I/O error, dev loop0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
[15693.167403] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15693.167671] I/O error, dev loop0, sector 1168056 op 0x1:(WRITE) flags 0x8800 phys_seg 21 prio class 0
[15693.167938] I/O error, dev loop0, sector 1170144 op 0x1:(WRITE) flags 0x800 phys_seg 21 prio class 0
[15693.168191] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 2, rd 0, flush 0, corrupt 0, gen 0
[15693.168454] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 3, rd 0, flush 0, corrupt 0, gen 0
[15693.168719] BTRFS warning (device loop0): direct IO failed ino 269 rw 1,34817 sector 0x11d2b8 len 0 err no 10
[15693.172405] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15693.176373] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 3, rd 0, flush 1, corrupt 0, gen 0
[15693.176377] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[15693.176379] BTRFS: error (device loop0) in write_all_supers:4313: errno=-5 IO failure (errors while submitting device barriers.)
[15693.176382] BTRFS info (device loop0): forced readonly
[15693.176383] BTRFS: error (device loop0) in btrfs_sync_log:3322: errno=-5 IO failure
[15693.177356] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 1, rd 1, flush 0, corrupt 0, gen 0
[15693.178393] loop: Write error at byte offset 598290432, length 4096.
[15693.178870] loop: Write error at byte offset 20578304, length 4096.
[15693.179075] I/O error, dev loop0, sector 40192 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
[15693.179156] I/O error, dev loop0, sector 82912 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[15693.179348] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 4, rd 0, flush 1, corrupt 0, gen 0
[15693.179629] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 4, rd 1, flush 1, corrupt 0, gen 0
[15693.180284] I/O error, dev loop0, sector 1168536 op 0x1:(WRITE) flags 0x0 phys_seg 10 prio class 0
[15693.180548] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 5, rd 1, flush 1, corrupt 0, gen 0
[15693.181137] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 1, rd 2, flush 0, corrupt 0, gen 0
[15693.181540] I/O error, dev loop0, sector 607200 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[15695.174437] BTRFS info (device dm-9): flagging fs with big metadata feature
[15695.174661] BTRFS info (device dm-9): using free space tree
[15695.174837] BTRFS info (device dm-9): has skinny extents
[15695.176833] BTRFS info (device dm-9): start tree-log replay
[15695.201036] loop0: detected capacity change from 0 to 6629376
[15695.218291] BTRFS info (device loop0): flagging fs with big metadata feature
[15695.218513] BTRFS info (device loop0): using free space tree
[15695.218692] BTRFS info (device loop0): has skinny extents
[15695.221149] BTRFS info (device loop0): enabling ssd optimizations
[15695.235750] I/O error, dev loop0, sector 79648 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[15695.236145] I/O error, dev loop0, sector 603936 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[15695.241603] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[15695.242007] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15695.242101] BTRFS: error (device loop0) in write_all_supers:4313: errno=-5 IO failure (errors while submitting device barriers.)
[15695.242717] BTRFS info (device loop0): forced readonly
[15695.242915] BTRFS: error (device loop0) in btrfs_sync_log:3322: errno=-5 IO failure
[15695.244749] BTRFS warning (device loop0): direct IO failed ino 468 rw 0,0 sector 0x11e258 len 0 err no 10
[15695.245087] BTRFS warning (device loop0): direct IO failed ino 468 rw 0,0 sector 0x11e260 len 0 err no 10
[15695.245403] BTRFS warning (device loop0): direct IO failed ino 468 rw 0,0 sector 0x11e268 len 0 err no 10
[15695.245710] BTRFS warning (device loop0): direct IO failed ino 468 rw 0,0 sector 0x11e270 len 0 err no 10
[15695.246028] BTRFS warning (device loop0): direct IO failed ino 468 rw 0,0 sector 0x11e278 len 0 err no 10
[15695.246476] BTRFS warning (device loop0): direct IO failed ino 468 rw 0,0 sector 0x11e280 len 0 err no 10
[15695.246837] BTRFS warning (device loop0): direct IO failed ino 468 rw 0,0 sector 0x11e288 len 0 err no 10
[15695.247124] BTRFS warning (device loop0): direct IO failed ino 468 rw 0,0 sector 0x11e290 len 0 err no 10
[15695.247432] BTRFS warning (device loop0): direct IO failed ino 468 rw 0,0 sector 0x11e298 len 0 err no 10
[15695.247898] BTRFS warning (device loop0): direct IO failed ino 468 rw 0,0 sector 0x11e2a0 len 0 err no 10
[15695.311561] BTRFS: error (device dm-9) in __btrfs_run_delayed_items:1092: errno=-5 IO failure
[15695.311979] BTRFS info (device dm-9): forced readonly
[15695.312241] BTRFS warning (device dm-9): Skipping commit of aborted transaction.
[15695.312604] BTRFS: error (device dm-9) in cleanup_transaction:1928: errno=-5 IO failure
[15697.268269] BTRFS info (device dm-9): flagging fs with big metadata feature
[15697.268487] BTRFS info (device dm-9): using free space tree
[15697.268666] BTRFS info (device dm-9): has skinny extents
[15697.279049] loop0: detected capacity change from 0 to 6629376
[15697.293399] BTRFS info (device loop0): flagging fs with big metadata feature
[15697.293627] BTRFS info (device loop0): using free space tree
[15697.293797] BTRFS info (device loop0): has skinny extents
[15697.297222] BTRFS info (device loop0): enabling ssd optimizations
[15698.355491] BTRFS warning (device dm-9): lost page write due to IO error on /dev/mapper/error-test (-5)
[15698.355791] btrfs_dev_stat_print_on_error: 23 callbacks suppressed
[15698.355793] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15698.356554] BTRFS error (device dm-9): error writing primary super block to device 1
[15698.356805] BTRFS: error (device dm-9) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15698.357092] BTRFS info (device dm-9): forced readonly
[15698.357268] BTRFS: error (device dm-9) in btrfs_sync_log:3322: errno=-5 IO failure
[15698.357519] loop: Write error at byte offset 576266240, length 4096.
[15698.357522] blk_print_req_error: 2 callbacks suppressed
[15698.357524] I/O error, dev loop0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
[15698.357708] loop: Write error at byte offset 43253760, length 4096.
[15698.358322] loop: Write error at byte offset 311689216, length 4096.
[15698.358523] loop: Write error at byte offset 620544000, length 4096.
[15698.358720] I/O error, dev loop0, sector 1212000 op 0x1:(WRITE) flags 0x8800 phys_seg 21 prio class 0
[15698.358722] I/O error, dev loop0, sector 1125520 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
[15698.358996] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15698.359313] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 2, rd 0, flush 0, corrupt 0, gen 0
[15698.360371] BTRFS warning (device loop0): direct IO failed ino 469 rw 1,34817 sector 0x127e60 len 0 err no 10
[15698.360656] I/O error, dev loop0, sector 84480 op 0x1:(WRITE) flags 0x1800 phys_seg 52 prio class 0
[15698.361203] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 3, rd 0, flush 0, corrupt 0, gen 0
[15698.361475] I/O error, dev loop0, sector 608768 op 0x1:(WRITE) flags 0x1800 phys_seg 52 prio class 0
[15698.361774] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 4, rd 0, flush 0, corrupt 0, gen 0
[15698.362518] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15698.362775] loop: Write error at byte offset 580722688, length 4096.
[15698.363056] I/O error, dev loop0, sector 1134224 op 0x1:(WRITE) flags 0x8800 phys_seg 2 prio class 0
[15698.363423] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 5, rd 0, flush 0, corrupt 0, gen 0
[15698.363792] BTRFS warning (device loop0): direct IO failed ino 533 rw 1,34817 sector 0x114e90 len 0 err no 10
[15698.364559] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 5, rd 0, flush 1, corrupt 0, gen 0
[15698.364870] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[15698.365231] BTRFS: error (device loop0) in write_all_supers:4313: errno=-5 IO failure (errors while submitting device barriers.)
[15698.365590] BTRFS info (device loop0): forced readonly
[15698.365836] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[15698.366188] BTRFS: error (device loop0) in cleanup_transaction:1928: errno=-5 IO failure
[15698.367684] btrfs_lookup_bio_sums: 31 callbacks suppressed
[15698.367687] BTRFS warning (device loop0): csum hole found for disk bytenr range [336097280, 336101376)
[15698.369097] BTRFS warning (device loop0): csum hole found for disk bytenr range [336101376, 336105472)
[15698.369485] BTRFS warning (device loop0): csum hole found for disk bytenr range [336105472, 336109568)
[15698.369791] btrfs_print_data_csum_error: 31 callbacks suppressed
[15698.369793] BTRFS warning (device loop0): csum failed root 5 ino 376 off 6340608 csum 0xc25c4cbb expected csum 0x00000000 mirror 1
[15698.370329] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 5, rd 0, flush 1, corrupt 1, gen 0
[15698.370692] BTRFS warning (device loop0): csum failed root 5 ino 376 off 6344704 csum 0xc25c4cbb expected csum 0x00000000 mirror 1
[15698.371003] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 5, rd 0, flush 1, corrupt 2, gen 0
[15698.371374] BTRFS warning (device loop0): csum failed root 5 ino 376 off 6348800 csum 0xc25c4cbb expected csum 0x00000000 mirror 1
[15698.371801] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 5, rd 0, flush 1, corrupt 3, gen 0
[15698.373886] BTRFS warning (device loop0): csum hole found for disk bytenr range [327405568, 327409664)
[15698.374192] BTRFS warning (device loop0): csum hole found for disk bytenr range [327409664, 327413760)
[15698.374924] BTRFS warning (device loop0): csum hole found for disk bytenr range [327413760, 327417856)
[15698.375247] BTRFS warning (device loop0): csum hole found for disk bytenr range [327417856, 327421952)
[15698.375531] BTRFS warning (device loop0): csum hole found for disk bytenr range [327421952, 327426048)
[15698.375825] BTRFS warning (device loop0): csum hole found for disk bytenr range [327426048, 327430144)
[15698.376104] BTRFS warning (device loop0): csum hole found for disk bytenr range [327430144, 327434240)
[15698.383180] BTRFS warning (device loop0): csum failed root 5 ino 469 off 4632576 csum 0x34bf541a expected csum 0x00000000 mirror 1
[15698.383199] BTRFS warning (device loop0): csum failed root 5 ino 469 off 4636672 csum 0x34bf541a expected csum 0x00000000 mirror 1
[15698.383516] BTRFS warning (device loop0): csum failed root 5 ino 469 off 4640768 csum 0x34bf541a expected csum 0x00000000 mirror 1
[15698.383833] BTRFS warning (device loop0): csum failed root 5 ino 469 off 4644864 csum 0x34bf541a expected csum 0x00000000 mirror 1
[15698.384141] BTRFS warning (device loop0): csum failed root 5 ino 469 off 4648960 csum 0x34bf541a expected csum 0x00000000 mirror 1
[15698.384452] BTRFS warning (device loop0): csum failed root 5 ino 469 off 4653056 csum 0x34bf541a expected csum 0x00000000 mirror 1
[15698.384762] BTRFS warning (device loop0): csum failed root 5 ino 469 off 4657152 csum 0x34bf541a expected csum 0x00000000 mirror 1
[15700.422203] BTRFS info (device dm-9): flagging fs with big metadata feature
[15700.422429] BTRFS info (device dm-9): using free space tree
[15700.422631] BTRFS info (device dm-9): has skinny extents
[15700.424752] BTRFS info (device dm-9): start tree-log replay
[15700.471244] loop0: detected capacity change from 0 to 6629376
[15700.486412] BTRFS info (device loop0): flagging fs with big metadata feature
[15700.486666] BTRFS info (device loop0): using free space tree
[15700.486838] BTRFS info (device loop0): has skinny extents
[15700.489970] BTRFS info (device loop0): enabling ssd optimizations
[15700.504538] I/O error, dev loop0, sector 83552 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[15700.505706] I/O error, dev loop0, sector 607840 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[15700.506441] I/O error, dev loop0, sector 83552 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[15700.507003] I/O error, dev loop0, sector 607840 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[15700.507581] BTRFS: error (device loop0) in btrfs_finish_ordered_io:3120: errno=-5 IO failure
[15700.507841] BTRFS info (device loop0): forced readonly
[15700.508937] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15700.562409] BTRFS: error (device dm-9) in __btrfs_run_delayed_items:1092: errno=-5 IO failure
[15700.562698] BTRFS info (device dm-9): forced readonly
[15700.562858] BTRFS warning (device dm-9): Skipping commit of aborted transaction.
[15700.563089] BTRFS: error (device dm-9) in cleanup_transaction:1928: errno=-5 IO failure
[15702.546397] BTRFS info (device dm-9): flagging fs with big metadata feature
[15702.546660] BTRFS info (device dm-9): using free space tree
[15702.546834] BTRFS info (device dm-9): has skinny extents
[15702.561442] loop0: detected capacity change from 0 to 6629376
[15702.578921] BTRFS info (device loop0): flagging fs with big metadata feature
[15702.579232] BTRFS info (device loop0): using free space tree
[15702.579477] BTRFS info (device loop0): has skinny extents
[15702.583878] BTRFS info (device loop0): enabling ssd optimizations
[15702.604876] BTRFS: error (device loop0) in btrfs_finish_ordered_io:3120: errno=-5 IO failure
[15702.605183] BTRFS info (device loop0): forced readonly
[15702.606571] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15702.612751] BTRFS warning (device loop0): direct IO failed ino 584 rw 0,0 sector 0x127570 len 0 err no 10
[15702.613053] BTRFS warning (device loop0): direct IO failed ino 584 rw 0,0 sector 0x127578 len 0 err no 10
[15702.613343] BTRFS warning (device loop0): direct IO failed ino 584 rw 0,0 sector 0x127580 len 0 err no 10
[15702.613630] BTRFS warning (device loop0): direct IO failed ino 584 rw 0,0 sector 0x127588 len 0 err no 10
[15702.613907] BTRFS warning (device loop0): direct IO failed ino 584 rw 0,0 sector 0x127590 len 0 err no 10
[15702.614232] BTRFS warning (device loop0): direct IO failed ino 584 rw 0,0 sector 0x127598 len 0 err no 10
[15702.614596] BTRFS warning (device loop0): direct IO failed ino 584 rw 0,0 sector 0x1275a0 len 0 err no 10
[15702.614875] BTRFS warning (device loop0): direct IO failed ino 584 rw 0,0 sector 0x1275a8 len 0 err no 10
[15702.615164] BTRFS warning (device loop0): direct IO failed ino 584 rw 0,0 sector 0x1275b0 len 0 err no 10
[15702.615438] BTRFS warning (device loop0): direct IO failed ino 584 rw 0,0 sector 0x1275b8 len 0 err no 10
[15702.615726] BTRFS warning (device loop0): direct IO failed ino 584 rw 0,0 sector 0x1275c0 len 0 err no 10
[15702.616000] BTRFS warning (device loop0): direct IO failed ino 584 rw 0,0 sector 0x1275c8 len 0 err no 10
[15702.666548] BTRFS: error (device dm-9) in __btrfs_run_delayed_items:1092: errno=-5 IO failure
[15702.666846] BTRFS info (device dm-9): forced readonly
[15702.667010] BTRFS warning (device dm-9): Skipping commit of aborted transaction.
[15702.667264] BTRFS: error (device dm-9) in cleanup_transaction:1928: errno=-5 IO failure
[15702.669998] BTRFS: error (device dm-9) in btrfs_run_delayed_refs:2159: errno=-5 IO failure
[15704.647696] BTRFS info (device dm-9): flagging fs with big metadata feature
[15704.647933] BTRFS info (device dm-9): using free space tree
[15704.648114] BTRFS info (device dm-9): has skinny extents
[15704.661781] loop0: detected capacity change from 0 to 6629376
[15704.680591] BTRFS info (device loop0): flagging fs with big metadata feature
[15704.680900] BTRFS info (device loop0): using free space tree
[15704.681162] BTRFS info (device loop0): has skinny extents
[15704.685251] BTRFS info (device loop0): enabling ssd optimizations
[15705.708472] btrfs_dev_stat_print_on_error: 136 callbacks suppressed
[15705.708475] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15705.708975] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 2, rd 0, flush 0, corrupt 0, gen 0
[15705.709381] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 3, rd 0, flush 0, corrupt 0, gen 0
[15705.710341] blk_print_req_error: 25 callbacks suppressed
[15705.710343] I/O error, dev loop0, sector 128 op 0x1:(WRITE) flags 0x3800 phys_seg 1 prio class 0
[15705.711576] BTRFS warning (device loop0): lost page write due to IO error on /dev/loop0 (-5)
[15705.711942] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15705.712601] BTRFS error (device loop0): error writing primary super block to device 1
[15705.712647] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15705.712910] BTRFS: error (device loop0) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15705.713650] BTRFS info (device loop0): forced readonly
[15705.713886] BTRFS: error (device loop0) in btrfs_sync_log:3322: errno=-5 IO failure
[15705.716851] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 4, rd 0, flush 0, corrupt 0, gen 0
[15705.718207] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[15705.718576] BTRFS: error (device loop0) in cleanup_transaction:1928: errno=-5 IO failure
[15705.719225] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 5, rd 0, flush 0, corrupt 0, gen 0
[15705.719665] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 6, rd 0, flush 0, corrupt 0, gen 0
[15705.720088] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 7, rd 0, flush 0, corrupt 0, gen 0
[15705.720460] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 8, rd 0, flush 0, corrupt 0, gen 0
[15705.720761] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 9, rd 0, flush 0, corrupt 0, gen 0
[15705.774997] BTRFS: error (device dm-9) in btrfs_run_delayed_refs:2159: errno=-5 IO failure
[15705.775324] BTRFS info (device dm-9): forced readonly
[15707.799138] BTRFS info (device dm-9): flagging fs with big metadata feature
[15707.799368] BTRFS info (device dm-9): using free space tree
[15707.799557] BTRFS info (device dm-9): has skinny extents
[15707.801855] BTRFS info (device dm-9): start tree-log replay
[15707.830940] loop0: detected capacity change from 0 to 6629376
[15707.853140] BTRFS info (device loop0): flagging fs with big metadata feature
[15707.853358] BTRFS info (device loop0): using free space tree
[15707.853534] BTRFS info (device loop0): has skinny extents
[15707.856474] BTRFS info (device loop0): enabling ssd optimizations
[15707.883211] I/O error, dev loop0, sector 78368 op 0x0:(READ) flags 0x1000 phys_seg 3 prio class 0
[15707.883560] I/O error, dev loop0, sector 602656 op 0x0:(READ) flags 0x1000 phys_seg 3 prio class 0
[15707.884139] loop: Write error at byte offset 307494912, length 4096.
[15707.884338] loop: Write error at byte offset 576081920, length 4096.
[15707.884377] I/O error, dev loop0, sector 600512 op 0x1:(WRITE) flags 0x1800 phys_seg 22 prio class 0
[15707.884826] I/O error, dev loop0, sector 1125160 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
[15707.885647] btrfs_lookup_bio_sums: 7 callbacks suppressed
[15707.885649] BTRFS warning (device loop0): csum hole found for disk bytenr range [361226240, 361230336)
[15707.886999] I/O error, dev loop0, sector 1246192 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[15707.887604] loop: Write error at byte offset 307560448, length 4096.
[15707.887804] I/O error, dev loop0, sector 600704 op 0x1:(WRITE) flags 0x1800 phys_seg 11 prio class 0
[15707.889040] loop: Write error at byte offset 580997120, length 4096.
[15707.889255] I/O error, dev loop0, sector 1134760 op 0x1:(WRITE) flags 0x8800 phys_seg 9 prio class 0
[15707.889261] loop: Write error at byte offset 20615168, length 4096.
[15707.889646] BTRFS warning (device loop0): direct IO failed ino 680 rw 1,34817 sector 0x1150a8 len 0 err no 10
[15707.890313] I/O error, dev loop0, sector 40264 op 0x1:(WRITE) flags 0x8800 phys_seg 1 prio class 0
[15707.890599] BTRFS warning (device loop0): direct IO failed ino 680 rw 1,34817 sector 0x9d48 len 0 err no 10
[15707.891683] BTRFS warning (device loop0): csum hole found for disk bytenr range [360747008, 360751104)
[15707.892466] BTRFS warning (device loop0): csum hole found for disk bytenr range [360751104, 360755200)
[15707.892898] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15707.899685] BTRFS warning (device loop0): csum hole found for disk bytenr range [360755200, 360759296)
[15707.900588] BTRFS warning (device loop0): csum hole found for disk bytenr range [360759296, 360763392)
[15707.901936] BTRFS warning (device loop0): csum hole found for disk bytenr range [360763392, 360767488)
[15707.902440] I/O error, dev loop0, sector 1245256 op 0x0:(READ) flags 0x80700 phys_seg 3 prio class 0
[15707.902759] BTRFS warning (device loop0): csum hole found for disk bytenr range [360747008, 360751104)
[15707.904218] BTRFS warning (device loop0): csum hole found for disk bytenr range [360747008, 360751104)
[15707.905687] loop: Write error at byte offset 20615168, length 4096.
[15707.906075] BTRFS: error (device loop0) in btrfs_finish_ordered_io:3120: errno=-5 IO failure
[15707.906446] BTRFS info (device loop0): forced readonly
[15707.906913] BTRFS warning (device loop0): csum hole found for disk bytenr range [360747008, 360751104)
[15707.907429] BTRFS warning (device loop0): csum hole found for disk bytenr range [360783872, 360787968)
[15707.908639] BTRFS warning (device loop0): direct IO failed ino 680 rw 0,0 sector 0x130090 len 0 err no 10
[15707.909143] BTRFS warning (device loop0): direct IO failed ino 680 rw 0,0 sector 0x130098 len 0 err no 10
[15707.909436] BTRFS warning (device loop0): direct IO failed ino 680 rw 0,0 sector 0x1300a0 len 0 err no 10
[15707.909720] BTRFS warning (device loop0): direct IO failed ino 680 rw 0,0 sector 0x1300a8 len 0 err no 10
[15707.910020] BTRFS warning (device loop0): direct IO failed ino 680 rw 0,0 sector 0x1300b0 len 0 err no 10
[15707.910318] BTRFS warning (device loop0): direct IO failed ino 680 rw 0,0 sector 0x1300b8 len 0 err no 10
[15707.910597] BTRFS warning (device loop0): direct IO failed ino 680 rw 0,0 sector 0x1300c0 len 0 err no 10
[15707.910873] BTRFS warning (device loop0): direct IO failed ino 680 rw 0,0 sector 0x1300c8 len 0 err no 10
[15707.911157] BTRFS warning (device loop0): direct IO failed ino 680 rw 0,0 sector 0x1300d0 len 0 err no 10
[15707.911436] BTRFS warning (device loop0): direct IO failed ino 680 rw 0,0 sector 0x1300d8 len 0 err no 10
[15707.918847] BTRFS: error (device dm-9) in __btrfs_free_extent:3200: errno=-5 IO failure
[15707.919133] BTRFS info (device dm-9): forced readonly
[15707.919292] BTRFS: error (device dm-9) in btrfs_run_delayed_refs:2159: errno=-5 IO failure
[15709.929993] BTRFS info (device dm-9): flagging fs with big metadata feature
[15709.930324] BTRFS info (device dm-9): using free space tree
[15709.930586] BTRFS info (device dm-9): has skinny extents
[15709.942233] loop0: detected capacity change from 0 to 6629376
[15709.965154] BTRFS info (device loop0): flagging fs with big metadata feature
[15709.965376] BTRFS info (device loop0): using free space tree
[15709.965557] BTRFS info (device loop0): has skinny extents
[15709.968785] BTRFS info (device loop0): enabling ssd optimizations
[15712.007948] BTRFS warning (device dm-9): lost page write due to IO error on /dev/mapper/error-test (-5)
[15712.008372] btrfs_dev_stat_print_on_error: 58 callbacks suppressed
[15712.008374] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15712.008940] BTRFS error (device dm-9): error writing primary super block to device 1
[15712.009248] BTRFS: error (device dm-9) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15712.009650] BTRFS info (device dm-9): forced readonly
[15712.009864] BTRFS: error (device dm-9) in btrfs_sync_log:3322: errno=-5 IO failure
[15712.010189] loop: Write error at byte offset 48267264, length 4096.
[15712.010192] blk_print_req_error: 7 callbacks suppressed
[15712.010194] I/O error, dev loop0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
[15712.010402] loop: Write error at byte offset 316702720, length 4096.
[15712.011748] loop: Write error at byte offset 48562176, length 4096.
[15712.011956] loop: Write error at byte offset 316997632, length 4096.
[15712.012194] I/O error, dev loop0, sector 94272 op 0x1:(WRITE) flags 0x1800 phys_seg 14 prio class 0
[15712.012509] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15712.012819] I/O error, dev loop0, sector 618560 op 0x1:(WRITE) flags 0x1800 phys_seg 14 prio class 0
[15712.013137] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 2, rd 0, flush 0, corrupt 0, gen 0
[15712.013483] I/O error, dev loop0, sector 94848 op 0x1:(WRITE) flags 0x1800 phys_seg 4 prio class 0
[15712.013798] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 3, rd 0, flush 0, corrupt 0, gen 0
[15712.014109] I/O error, dev loop0, sector 619136 op 0x1:(WRITE) flags 0x1800 phys_seg 4 prio class 0
[15712.014388] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15712.014427] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 4, rd 0, flush 0, corrupt 0, gen 0
[15712.015040] I/O error, dev loop0, sector 94944 op 0x1:(WRITE) flags 0x1800 phys_seg 2 prio class 0
[15712.015359] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 5, rd 0, flush 0, corrupt 0, gen 0
[15712.015678] I/O error, dev loop0, sector 619232 op 0x1:(WRITE) flags 0x1800 phys_seg 2 prio class 0
[15712.015984] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 6, rd 0, flush 0, corrupt 0, gen 0
[15712.016409] BTRFS warning (device dm-9): Skipping commit of aborted transaction.
[15712.016689] BTRFS: error (device dm-9) in cleanup_transaction:1928: errno=-5 IO failure
[15712.017084] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 6, rd 0, flush 1, corrupt 0, gen 0
[15712.017397] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[15712.017728] BTRFS: error (device loop0) in write_all_supers:4313: errno=-5 IO failure (errors while submitting device barriers.)
[15712.018098] BTRFS info (device loop0): forced readonly
[15712.018287] BTRFS: error (device loop0) in btrfs_sync_log:3322: errno=-5 IO failure
[15712.020085] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[15712.020459] BTRFS: error (device loop0) in cleanup_transaction:1928: errno=-5 IO failure
[15712.021922] BTRFS error (device loop0): bad tree block start, want 40009728 have 0
[15712.023425] BTRFS error (device loop0): bad tree block start, want 40009728 have 0
[15712.024143] btrfs_print_data_csum_error: 38 callbacks suppressed
[15712.024145] BTRFS warning (device loop0): csum failed root 5 ino 807 off 2265088 csum 0x422a4371 expected csum 0x00000000 mirror 1
[15712.024156] BTRFS error (device loop0): bad tree block start, want 40009728 have 0
[15712.024588] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 6, rd 0, flush 1, corrupt 1, gen 0
[15712.025701] BTRFS error (device loop0): bad tree block start, want 40009728 have 0
[15712.026539] BTRFS warning (device loop0): csum failed root 5 ino 807 off 2269184 csum 0x422a4371 expected csum 0x00000000 mirror 1
[15712.027013] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 6, rd 0, flush 1, corrupt 2, gen 0
[15713.196811] BTRFS info (device dm-9): flagging fs with big metadata feature
[15713.197031] BTRFS info (device dm-9): using free space tree
[15713.197220] BTRFS info (device dm-9): has skinny extents
[15713.198982] BTRFS info (device dm-9): start tree-log replay
[15713.313194] loop0: detected capacity change from 0 to 6629376
[15713.345853] BTRFS info (device loop0): flagging fs with big metadata feature
[15713.346084] BTRFS info (device loop0): using free space tree
[15713.346258] BTRFS info (device loop0): has skinny extents
[15713.348780] BTRFS info (device loop0): enabling ssd optimizations
[15713.387849] BTRFS warning (device dm-9): lost page write due to IO error on /dev/mapper/error-test (-5)
[15713.388173] BTRFS error (device dm-9): error writing primary super block to device 1
[15713.388549] BTRFS: error (device dm-9) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15713.389015] BTRFS info (device dm-9): forced readonly
[15713.389294] BTRFS: error (device dm-9) in btrfs_sync_log:3322: errno=-5 IO failure
[15713.389711] lo_write_bvec: 2 callbacks suppressed
[15713.389712] loop: Write error at byte offset 671379456, length 4096.
[15713.389715] I/O error, dev loop0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
[15713.390425] I/O error, dev loop0, sector 1311288 op 0x1:(WRITE) flags 0x8800 phys_seg 3 prio class 0
[15713.391562] BTRFS warning (device loop0): direct IO failed ino 846 rw 1,34817 sector 0x140238 len 0 err no 10
[15713.392449] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[15713.392741] BTRFS: error (device loop0) in write_all_supers:4313: errno=-5 IO failure (errors while submitting device barriers.)
[15713.393045] BTRFS info (device loop0): forced readonly
[15713.393232] BTRFS: error (device loop0) in btrfs_sync_log:3322: errno=-5 IO failure
[15713.394183] I/O error, dev loop0, sector 84000 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[15713.397789] btrfs_lookup_bio_sums: 21 callbacks suppressed
[15713.397792] BTRFS warning (device dm-9): csum hole found for disk bytenr range [338001920, 338006016)
[15713.398493] BTRFS warning (device dm-9): csum hole found for disk bytenr range [338001920, 338006016)
[15713.399314] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15713.400608] BTRFS warning (device dm-9): csum hole found for disk bytenr range [338247680, 338251776)
[15713.401162] BTRFS warning (device dm-9): csum hole found for disk bytenr range [338247680, 338251776)
[15715.442269] BTRFS info (device dm-9): flagging fs with big metadata feature
[15715.442603] BTRFS info (device dm-9): using free space tree
[15715.442865] BTRFS info (device dm-9): has skinny extents
[15715.455050] loop0: detected capacity change from 0 to 6629376
[15715.490128] BTRFS info (device loop0): flagging fs with big metadata feature
[15715.490352] BTRFS info (device loop0): using free space tree
[15715.491125] BTRFS info (device loop0): has skinny extents
[15715.493999] BTRFS info (device loop0): enabling ssd optimizations
[15715.523892] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15715.524694] loop: Write error at byte offset 670740480, length 4096.
[15715.524908] BTRFS warning (device loop0): direct IO failed ino 853 rw 1,34817 sector 0x13fd58 len 0 err no 10
[15715.525463] loop: Write error at byte offset 670801920, length 4096.
[15715.525692] loop: Write error at byte offset 670740480, length 4096.
[15715.526113] BTRFS warning (device dm-9): csum hole found for disk bytenr range [326324224, 326328320)
[15715.526418] BTRFS warning (device dm-9): csum hole found for disk bytenr range [326553600, 326557696)
[15715.527726] loop: Write error at byte offset 38797312, length 4096.
[15715.527988] loop: Write error at byte offset 307232768, length 4096.
[15715.528227] loop: Write error at byte offset 38830080, length 4096.
[15715.528443] loop: Write error at byte offset 307265536, length 4096.
[15715.528661] loop: Write error at byte offset 38862848, length 4096.
[15715.528879] loop: Write error at byte offset 307298304, length 4096.
[15715.530766] BTRFS warning (device loop0): direct IO failed ino 852 rw 1,34817 sector 0x13fd58 len 0 err no 10
[15715.532071] BTRFS warning (device loop0): direct IO failed ino 870 rw 1,34817 sector 0x13fd58 len 0 err no 10
[15715.533553] BTRFS warning (device loop0): direct IO failed ino 848 rw 1,34817 sector 0x131dd8 len 0 err no 10
[15715.533591] BTRFS: error (device loop0) in btrfs_replace_file_extents:2783: errno=-5 IO failure
[15715.534165] BTRFS info (device loop0): forced readonly
[15715.580720] BTRFS: error (device dm-9) in btrfs_run_delayed_refs:2159: errno=-5 IO failure
[15715.580998] BTRFS info (device dm-9): forced readonly
[15717.576245] BTRFS info (device dm-9): flagging fs with big metadata feature
[15717.576481] BTRFS info (device dm-9): using free space tree
[15717.576653] BTRFS info (device dm-9): has skinny extents
[15717.586141] loop0: detected capacity change from 0 to 6629376
[15717.613948] BTRFS info (device loop0): flagging fs with big metadata feature
[15717.614189] BTRFS info (device loop0): using free space tree
[15717.614360] BTRFS info (device loop0): has skinny extents
[15717.618153] BTRFS info (device loop0): enabling ssd optimizations
[15718.656051] BTRFS warning (device dm-9): lost page write due to IO error on /dev/mapper/error-test (-5)
[15718.656356] btrfs_dev_stat_print_on_error: 84 callbacks suppressed
[15718.656358] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15718.656821] BTRFS error (device dm-9): error writing primary super block to device 1
[15718.657090] BTRFS: error (device dm-9) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15718.657379] BTRFS info (device dm-9): forced readonly
[15718.657549] BTRFS: error (device dm-9) in btrfs_sync_log:3322: errno=-5 IO failure
[15718.657798] lo_write_bvec: 15 callbacks suppressed
[15718.657799] loop: Write error at byte offset 685670400, length 4096.
[15718.658149] loop: Write error at byte offset 685789184, length 4096.
[15718.658152] blk_print_req_error: 47 callbacks suppressed
[15718.658154] I/O error, dev loop0, sector 1339200 op 0x1:(WRITE) flags 0x8800 phys_seg 29 prio class 0
[15718.658336] loop: Write error at byte offset 685834240, length 4096.
[15718.658521] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15718.659234] BTRFS warning (device loop0): direct IO failed ino 896 rw 1,34817 sector 0x146f40 len 0 err no 10
[15718.659712] I/O error, dev loop0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
[15718.659851] I/O error, dev loop0, sector 1339432 op 0x1:(WRITE) flags 0x0 phys_seg 4 prio class 0
[15718.660072] I/O error, dev loop0, sector 1339520 op 0x1:(WRITE) flags 0x8800 phys_seg 19 prio class 0
[15718.660318] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 2, rd 0, flush 0, corrupt 0, gen 0
[15718.660707] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 3, rd 0, flush 0, corrupt 0, gen 0
[15718.661336] BTRFS warning (device loop0): direct IO failed ino 699 rw 1,34817 sector 0x147080 len 0 err no 10
[15718.661698] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15718.662208] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 3, rd 0, flush 1, corrupt 0, gen 0
[15718.662616] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[15718.662942] BTRFS: error (device loop0) in write_all_supers:4313: errno=-5 IO failure (errors while submitting device barriers.)
[15718.663376] BTRFS info (device loop0): forced readonly
[15718.663599] BTRFS: error (device loop0) in btrfs_sync_log:3322: errno=-5 IO failure
[15718.665232] loop: Write error at byte offset 685670400, length 4096.
[15718.665625] loop: Write error at byte offset 685682688, length 4096.
[15718.665817] I/O error, dev loop0, sector 1339200 op 0x1:(WRITE) flags 0x0 phys_seg 2 prio class 0
[15718.665849] loop: Write error at byte offset 685809664, length 4096.
[15718.666127] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 4, rd 0, flush 1, corrupt 0, gen 0
[15718.666336] loop: Write error at byte offset 596504576, length 4096.
[15718.666649] I/O error, dev loop0, sector 1339224 op 0x1:(WRITE) flags 0x0 phys_seg 8 prio class 0
[15718.666848] loop: Write error at byte offset 597913600, length 4096.
[15718.667115] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 5, rd 0, flush 1, corrupt 0, gen 0
[15718.667325] I/O error, dev loop0, sector 1167800 op 0x1:(WRITE) flags 0x0 phys_seg 8 prio class 0
[15718.667612] I/O error, dev loop0, sector 1339472 op 0x1:(WRITE) flags 0x0 phys_seg 10 prio class 0
[15718.667889] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 6, rd 0, flush 1, corrupt 0, gen 0
[15718.668178] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 7, rd 0, flush 1, corrupt 0, gen 0
[15718.668696] loop: Write error at byte offset 685936640, length 4096.
[15718.668821] I/O error, dev loop0, sector 1165048 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[15718.669045] loop: Write error at byte offset 18919424, length 4096.
[15718.669257] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 8, rd 0, flush 1, corrupt 0, gen 0
[15718.669839] I/O error, dev loop0, sector 1339720 op 0x1:(WRITE) flags 0x0 phys_seg 9 prio class 0
[15720.723680] BTRFS info (device dm-9): flagging fs with big metadata feature
[15720.723906] BTRFS info (device dm-9): using free space tree
[15720.724128] BTRFS info (device dm-9): has skinny extents
[15720.738963] loop0: detected capacity change from 0 to 6629376
[15720.769065] BTRFS info (device loop0): flagging fs with big metadata feature
[15720.769316] BTRFS info (device loop0): using free space tree
[15720.769509] BTRFS info (device loop0): has skinny extents
[15720.773426] BTRFS info (device loop0): enabling ssd optimizations
[15720.839443] BTRFS warning (device dm-9): lost page write due to IO error on /dev/mapper/error-test (-5)
[15720.839755] BTRFS error (device dm-9): error writing primary super block to device 1
[15720.840014] BTRFS: error (device dm-9) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15720.840357] BTRFS info (device dm-9): forced readonly
[15720.840523] BTRFS: error (device dm-9) in btrfs_sync_log:3322: errno=-5 IO failure
[15720.840780] BTRFS warning (device loop0): direct IO failed ino 942 rw 1,34817 sector 0x146cc8 len 0 err no 10
[15720.841147] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[15720.841438] BTRFS: error (device loop0) in write_all_supers:4313: errno=-5 IO failure (errors while submitting device barriers.)
[15720.841450] BTRFS: error (device dm-9) in __btrfs_free_extent:3079: errno=-5 IO failure
[15720.841770] BTRFS info (device loop0): forced readonly
[15720.842081] BTRFS: error (device dm-9) in btrfs_run_delayed_refs:2159: errno=-5 IO failure
[15720.842242] BTRFS: error (device loop0) in btrfs_sync_log:3322: errno=-5 IO failure
[15720.844517] BTRFS warning (device dm-9): csum hole found for disk bytenr range [360431616, 360435712)
[15720.845984] BTRFS warning (device dm-9): csum hole found for disk bytenr range [360435712, 360439808)
[15720.846514] BTRFS warning (device dm-9): csum hole found for disk bytenr range [360439808, 360443904)
[15720.847405] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15720.848959] BTRFS warning (device dm-9): csum hole found for disk bytenr range [360443904, 360448000)
[15720.849602] BTRFS warning (device dm-9): csum hole found for disk bytenr range [360448000, 360452096)
[15720.849897] BTRFS warning (device dm-9): csum hole found for disk bytenr range [360452096, 360456192)
[15720.850232] BTRFS warning (device dm-9): csum hole found for disk bytenr range [360456192, 360460288)
[15720.850976] BTRFS warning (device dm-9): csum hole found for disk bytenr range [360460288, 360464384)
[15720.851299] BTRFS warning (device dm-9): csum hole found for disk bytenr range [360464384, 360468480)
[15720.851616] BTRFS warning (device dm-9): csum hole found for disk bytenr range [360468480, 360472576)
[15720.856836] BTRFS: error (device dm-9) in btrfs_run_delayed_refs:2159: errno=-5 IO failure
[15722.836274] BTRFS info (device dm-9): flagging fs with big metadata feature
[15722.836513] BTRFS info (device dm-9): using free space tree
[15722.836691] BTRFS info (device dm-9): has skinny extents
[15722.847332] loop0: detected capacity change from 0 to 6629376
[15722.881076] BTRFS info (device loop0): flagging fs with big metadata feature
[15722.881289] BTRFS info (device loop0): using free space tree
[15722.887051] BTRFS info (device loop0): has skinny extents
[15722.892394] BTRFS info (device loop0): enabling ssd optimizations
[15723.957910] BTRFS warning (device dm-9): lost page write due to IO error on /dev/mapper/error-test (-5)
[15723.958390] btrfs_dev_stat_print_on_error: 566 callbacks suppressed
[15723.958393] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15723.959149] BTRFS error (device dm-9): error writing primary super block to device 1
[15723.959539] BTRFS: error (device dm-9) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15723.960008] BTRFS info (device dm-9): forced readonly
[15723.960264] BTRFS: error (device dm-9) in btrfs_sync_log:3322: errno=-5 IO failure
[15723.961404] blk_print_req_error: 24 callbacks suppressed
[15723.961407] I/O error, dev loop0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
[15723.961933] lo_write_bvec: 8 callbacks suppressed
[15723.961935] loop: Write error at byte offset 723456000, length 4096.
[15723.966004] I/O error, dev loop0, sector 1413000 op 0x1:(WRITE) flags 0x8800 phys_seg 3 prio class 0
[15723.966466] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15723.966892] BTRFS warning (device loop0): direct IO failed ino 974 rw 1,34817 sector 0x158f88 len 0 err no 10
[15723.967450] loop: Write error at byte offset 706359296, length 4096.
[15723.967748] I/O error, dev loop0, sector 1379608 op 0x1:(WRITE) flags 0x8800 phys_seg 1 prio class 0
[15723.967809] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15723.968180] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 2, rd 0, flush 0, corrupt 0, gen 0
[15723.968184] BTRFS warning (device loop0): direct IO failed ino 974 rw 1,34817 sector 0x150d18 len 0 err no 10
[15723.968243] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 2, rd 0, flush 1, corrupt 0, gen 0
[15723.969911] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[15723.970351] BTRFS: error (device loop0) in write_all_supers:4313: errno=-5 IO failure (errors while submitting device barriers.)
[15723.970695] BTRFS info (device loop0): forced readonly
[15723.970870] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[15723.971150] BTRFS: error (device loop0) in cleanup_transaction:1928: errno=-5 IO failure
[15723.971916] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[15723.973123] loop: Write error at byte offset 723456000, length 4096.
[15723.973324] loop: Write error at byte offset 723517440, length 4096.
[15723.973534] loop: Write error at byte offset 723521536, length 4096.
[15723.973726] loop: Write error at byte offset 723550208, length 4096.
[15723.973957] loop: Write error at byte offset 723664896, length 4096.
[15723.974170] loop: Write error at byte offset 698814464, length 4096.
[15723.974174] I/O error, dev loop0, sector 1413408 op 0x1:(WRITE) flags 0x0 phys_seg 7 prio class 0
[15723.974377] loop: Write error at byte offset 723722240, length 4096.
[15723.974665] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 3, rd 0, flush 1, corrupt 0, gen 0
[15723.974850] loop: Write error at byte offset 723734528, length 4096.
[15723.975174] I/O error, dev loop0, sector 1364872 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[15723.975363] I/O error, dev loop0, sector 1413000 op 0x1:(WRITE) flags 0x0 phys_seg 15 prio class 0
[15723.975613] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 4, rd 0, flush 1, corrupt 0, gen 0
[15723.975925] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 5, rd 0, flush 1, corrupt 0, gen 0
[15723.976210] I/O error, dev loop0, sector 1413520 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[15723.976490] I/O error, dev loop0, sector 1413120 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[15723.976746] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 6, rd 0, flush 1, corrupt 0, gen 0
[15723.977018] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 7, rd 0, flush 1, corrupt 0, gen 0
[15723.977296] I/O error, dev loop0, sector 1413544 op 0x1:(WRITE) flags 0x0 phys_seg 10 prio class 0
[15723.977565] I/O error, dev loop0, sector 1413128 op 0x1:(WRITE) flags 0x0 phys_seg 7 prio class 0
[15723.977833] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 8, rd 0, flush 1, corrupt 0, gen 0
[15726.015890] BTRFS info (device dm-9): flagging fs with big metadata feature
[15726.016151] BTRFS info (device dm-9): using free space tree
[15726.016325] BTRFS info (device dm-9): has skinny extents
[15726.027470] loop0: detected capacity change from 0 to 6629376
[15726.067983] BTRFS info (device loop0): flagging fs with big metadata feature
[15726.068199] BTRFS info (device loop0): using free space tree
[15726.068377] BTRFS info (device loop0): has skinny extents
[15726.073029] BTRFS info (device loop0): enabling ssd optimizations
[15726.073218] BTRFS info (device loop0): start tree-log replay
[15727.128623] BTRFS warning (device loop0): lost page write due to IO error on /dev/loop0 (-5)
[15727.128978] BTRFS error (device loop0): error writing primary super block to device 1
[15727.129264] BTRFS: error (device loop0) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15727.129571] BTRFS info (device loop0): forced readonly
[15727.129742] BTRFS: error (device loop0) in btrfs_sync_log:3322: errno=-5 IO failure
[15727.132342] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15727.180230] BTRFS: error (device dm-9) in btrfs_start_dirty_block_groups:3015: errno=-5 IO failure
[15727.180229] BTRFS: error (device dm-9) in btrfs_run_delayed_refs:2159: errno=-5 IO failure
[15727.180234] BTRFS info (device dm-9): forced readonly
[15729.212233] BTRFS info (device dm-9): flagging fs with big metadata feature
[15729.212455] BTRFS info (device dm-9): using free space tree
[15729.212625] BTRFS info (device dm-9): has skinny extents
[15729.214855] BTRFS info (device dm-9): start tree-log replay
[15729.263935] loop0: detected capacity change from 0 to 6629376
[15729.276463] BTRFS info (device loop0): flagging fs with big metadata feature
[15729.276707] BTRFS info (device loop0): using free space tree
[15729.276898] BTRFS info (device loop0): has skinny extents
[15729.316490] BTRFS info (device loop0): enabling ssd optimizations
[15731.352196] BTRFS warning (device dm-9): lost page write due to IO error on /dev/mapper/error-test (-5)
[15731.352555] btrfs_dev_stat_print_on_error: 28 callbacks suppressed
[15731.352557] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15731.353172] BTRFS error (device dm-9): error writing primary super block to device 1
[15731.353472] BTRFS: error (device dm-9) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15731.353937] BTRFS info (device dm-9): forced readonly
[15731.354550] BTRFS: error (device dm-9) in btrfs_sync_log:3322: errno=-5 IO failure
[15731.355025] lo_write_bvec: 6 callbacks suppressed
[15731.355027] loop: Write error at byte offset 766754816, length 4096.
[15731.355028] blk_print_req_error: 9 callbacks suppressed
[15731.355030] I/O error, dev loop0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
[15731.356106] I/O error, dev loop0, sector 1497568 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[15731.356420] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15731.356841] loop: Write error at byte offset 731049984, length 4096.
[15731.357120] I/O error, dev loop0, sector 1427832 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[15731.357439] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 2, rd 0, flush 0, corrupt 0, gen 0
[15731.357767] loop: Write error at byte offset 766763008, length 4096.
[15731.357866] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15731.358086] I/O error, dev loop0, sector 1497584 op 0x1:(WRITE) flags 0x0 phys_seg 6 prio class 0
[15731.358546] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 3, rd 0, flush 0, corrupt 0, gen 0
[15731.358824] loop: Write error at byte offset 766836736, length 4096.
[15731.359027] I/O error, dev loop0, sector 1497728 op 0x1:(WRITE) flags 0x0 phys_seg 4 prio class 0
[15731.359378] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 4, rd 0, flush 0, corrupt 0, gen 0
[15731.359687] loop: Write error at byte offset 766939136, length 4096.
[15731.359913] loop: Write error at byte offset 767033344, length 4096.
[15731.360098] loop: Write error at byte offset 767119360, length 4096.
[15731.361261] loop: Write error at byte offset 719056896, length 4096.
[15731.361383] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 4, rd 0, flush 1, corrupt 0, gen 0
[15731.361450] loop: Write error at byte offset 767127552, length 4096.
[15731.361719] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[15731.361910] loop: Write error at byte offset 767217664, length 4096.
[15731.361925] I/O error, dev loop0, sector 1497928 op 0x1:(WRITE) flags 0x0 phys_seg 4 prio class 0
[15731.362201] BTRFS: error (device loop0) in write_all_supers:4313: errno=-5 IO failure (errors while submitting device barriers.)
[15731.362387] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 5, rd 0, flush 1, corrupt 0, gen 0
[15731.362643] BTRFS info (device loop0): forced readonly
[15731.362974] I/O error, dev loop0, sector 1498112 op 0x1:(WRITE) flags 0x0 phys_seg 4 prio class 0
[15731.362977] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 6, rd 0, flush 1, corrupt 0, gen 0
[15731.363240] BTRFS: error (device loop0) in btrfs_sync_log:3322: errno=-5 IO failure
[15731.363420] I/O error, dev loop0, sector 1498280 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[15731.364451] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 7, rd 0, flush 1, corrupt 0, gen 0
[15731.370832] I/O error, dev loop0, sector 1404408 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[15731.371153] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 8, rd 0, flush 1, corrupt 0, gen 0
[15731.371453] I/O error, dev loop0, sector 1498296 op 0x1:(WRITE) flags 0x0 phys_seg 3 prio class 0
[15731.372383] btrfs_lookup_bio_sums: 251 callbacks suppressed
[15731.372385] BTRFS warning (device loop0): csum hole found for disk bytenr range [476147712, 476151808)
[15731.372885] BTRFS warning (device loop0): csum hole found for disk bytenr range [476151808, 476155904)
[15731.373096] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[15731.373256] BTRFS warning (device loop0): csum hole found for disk bytenr range [476155904, 476160000)
[15731.373513] BTRFS: error (device loop0) in cleanup_transaction:1928: errno=-5 IO failure
[15731.373792] BTRFS warning (device loop0): csum hole found for disk bytenr range [476160000, 476164096)
[15731.374630] BTRFS warning (device loop0): csum hole found for disk bytenr range [476164096, 476168192)
[15731.375216] BTRFS warning (device loop0): csum hole found for disk bytenr range [476168192, 476172288)
[15731.376918] BTRFS warning (device loop0): csum failed root 5 ino 1237 off 4706304 csum 0x8941f998 expected csum 0x00000000 mirror 1
[15731.376972] BTRFS warning (device loop0): csum failed root 5 ino 1237 off 4710400 csum 0x8941f998 expected csum 0x00000000 mirror 1
[15731.377337] BTRFS warning (device loop0): csum failed root 5 ino 1237 off 4714496 csum 0x8941f998 expected csum 0x00000000 mirror 1
[15731.377706] BTRFS warning (device loop0): csum failed root 5 ino 1237 off 4718592 csum 0x8941f998 expected csum 0x00000000 mirror 1
[15731.378120] BTRFS warning (device loop0): csum failed root 5 ino 1237 off 4722688 csum 0x8941f998 expected csum 0x00000000 mirror 1
[15731.378489] BTRFS warning (device loop0): csum failed root 5 ino 1237 off 4726784 csum 0x8941f998 expected csum 0x00000000 mirror 1
[15732.533844] BTRFS info (device dm-9): flagging fs with big metadata feature
[15732.534070] BTRFS info (device dm-9): using free space tree
[15732.534244] BTRFS info (device dm-9): has skinny extents
[15732.536404] BTRFS info (device dm-9): start tree-log replay
[15732.578327] loop0: detected capacity change from 0 to 6629376
[15732.596687] BTRFS info (device loop0): flagging fs with big metadata feature
[15732.596922] BTRFS info (device loop0): using free space tree
[15732.597095] BTRFS info (device loop0): has skinny extents
[15732.635832] BTRFS info (device loop0): enabling ssd optimizations
[15733.647928] BTRFS warning (device dm-9): lost page write due to IO error on /dev/mapper/error-test (-5)
[15733.648232] BTRFS error (device dm-9): error writing primary super block to device 1
[15733.648513] BTRFS: error (device dm-9) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15733.648796] BTRFS info (device dm-9): forced readonly
[15733.648968] BTRFS: error (device dm-9) in btrfs_sync_log:3322: errno=-5 IO failure
[15733.649228] BTRFS warning (device loop0): lost page write due to IO error on /dev/loop0 (-5)
[15733.649866] BTRFS error (device loop0): error writing primary super block to device 1
[15733.650140] BTRFS: error (device loop0) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15733.650771] BTRFS info (device loop0): forced readonly
[15733.650948] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[15733.651211] BTRFS: error (device loop0) in cleanup_transaction:1928: errno=-5 IO failure
[15733.653618] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15735.733166] BTRFS info (device dm-9): flagging fs with big metadata feature
[15735.733397] BTRFS info (device dm-9): using free space tree
[15735.733565] BTRFS info (device dm-9): has skinny extents
[15735.735413] BTRFS info (device dm-9): start tree-log replay
[15735.768072] loop0: detected capacity change from 0 to 6629376
[15735.776940] BTRFS info (device loop0): flagging fs with big metadata feature
[15735.777154] BTRFS info (device loop0): using free space tree
[15735.777338] BTRFS info (device loop0): has skinny extents
[15735.842114] BTRFS info (device loop0): enabling ssd optimizations
[15735.842325] BTRFS info (device loop0): start tree-log replay
[15735.911058] BTRFS warning (device dm-9): lost page write due to IO error on /dev/mapper/error-test (-5)
[15735.911375] BTRFS error (device dm-9): error writing primary super block to device 1
[15735.911723] BTRFS: error (device dm-9) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15735.912161] BTRFS info (device dm-9): forced readonly
[15735.912395] BTRFS: error (device dm-9) in btrfs_sync_log:3322: errno=-5 IO failure
[15735.913637] BTRFS warning (device loop0): direct IO failed ino 1147 rw 1,34817 sector 0x1768e8 len 0 err no 10
[15735.914105] BTRFS warning (device loop0): direct IO failed ino 1459 rw 1,34817 sector 0x177238 len 0 err no 10
[15735.914913] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[15735.915343] BTRFS: error (device loop0) in write_all_supers:4313: errno=-5 IO failure (errors while submitting device barriers.)
[15735.915575] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15735.915743] BTRFS info (device loop0): forced readonly
[15735.916286] BTRFS: error (device loop0) in btrfs_sync_log:3322: errno=-5 IO failure
[15736.862108] ------------[ cut here ]------------
[15736.862293] WARNING: CPU: 0 PID: 2591304 at fs/btrfs/block-group.c:127 btrfs_put_block_group+0x77/0xb0
[15736.862561] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink xfs intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep snd_hda_core joydev intel_rapl_common snd_pcm snd_timer i2c_i801 snd virtio_balloon i2c_smbus soundcore lpc_ich zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15736.863966] CPU: 0 PID: 2591304 Comm: umount Not tainted 5.16.0-rc8+ #539
[15736.864163] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15736.864475] RIP: 0010:btrfs_put_block_group+0x77/0xb0
[15736.864673] Code: 21 48 8b bd 68 01 00 00 e8 56 8c d8 ff 48 8b bd d0 03 00 00 e8 4a 8c d8 ff 48 89 ef 5d e9 41 8c d8 ff 0f 0b eb db 0f 0b eb b1 <0f> 0b eb b4 0f 0b 48 8b 45 00 48 89 ee 48 8d b8 f8 15 00 00 e8 70
[15736.865190] RSP: 0018:ffff9a7507827dc0 EFLAGS: 00010286
[15736.865360] RAX: 0000000000000001 RBX: ffff8db0967b4000 RCX: ffff8db085eccdb0
[15736.865587] RDX: 0000000000000001 RSI: ffffffffb1669747 RDI: ffff8db085eccc00
[15736.865785] RBP: ffff8db085eccc00 R08: 0000000000000000 R09: 0000000000000000
[15736.866021] R10: 0000000000000000 R11: ffff8db0fbc20d88 R12: ffff8db0967b4130
[15736.866216] R13: ffff8db0967b4178 R14: ffff8db085eccd70 R15: dead000000000100
[15736.866451] FS:  00007f623b810c40(0000) GS:ffff8db0fbc00000(0000) knlGS:0000000000000000
[15736.866717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15736.866914] CR2: 00007ffdfa84cba0 CR3: 0000000104d5c001 CR4: 0000000000370ef0
[15736.867115] Call Trace:
[15736.867249]  
[15736.867378]  btrfs_free_block_groups+0x255/0x3c0
[15736.867536]  close_ctree+0x4a6/0x4ed
[15736.867681]  ? trace_hardirqs_on+0x1b/0xe0
[15736.867839]  ? pool_mayday_timeout+0x170/0x170
[15736.868005]  ? call_rcu+0x1e9/0x5b0
[15736.868143]  generic_shutdown_super+0x71/0x120
[15736.868305]  kill_anon_super+0x14/0x30
[15736.868447]  btrfs_kill_super+0x12/0x20
[15736.868587]  deactivate_locked_super+0x33/0xa0
[15736.868741]  cleanup_mnt+0x131/0x190
[15736.868898]  task_work_run+0x59/0xa0
[15736.869037]  exit_to_user_mode_prepare+0x28f/0x2a0
[15736.869193]  syscall_exit_to_user_mode+0x16/0x50
[15736.869357]  do_syscall_64+0x48/0x90
[15736.869496]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[15736.869656] RIP: 0033:0x7f623ba3f38b
[15736.869798] Code: 2a 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 90 f3 0f 1e fa 31 f6 e9 05 00 00 00 0f 1f 44 00 00 f3 0f 1e fa b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 b1 2a 0c 00 f7 d8
[15736.870279] RSP: 002b:00007ffdfa84e478 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[15736.870515] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f623ba3f38b
[15736.870711] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00005632ad552b90
[15736.870932] RBP: 00005632ad552960 R08: 0000000000000000 R09: 00007ffdfa84d1f0
[15736.871137] R10: 00007f623bac63e0 R11: 0000000000000246 R12: 0000000000000000
[15736.871338] R13: 00005632ad552b90 R14: 00005632ad552a70 R15: 00005632ad552960
[15736.871538]  
[15736.871654] irq event stamp: 0
[15736.871777] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15736.871977] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15736.872230] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15736.872478] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15736.872690] ---[ end trace 1724ff8fae508e08 ]---
[15736.872898] ------------[ cut here ]------------
[15736.873055] WARNING: CPU: 0 PID: 2591304 at fs/btrfs/block-group.c:3989 btrfs_free_block_groups+0x330/0x3c0
[15736.873332] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink xfs intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep snd_hda_core joydev intel_rapl_common snd_pcm snd_timer i2c_i801 snd virtio_balloon i2c_smbus soundcore lpc_ich zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15736.874721] CPU: 0 PID: 2591304 Comm: umount Tainted: G        W         5.16.0-rc8+ #539
[15736.874994] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15736.880869] RIP: 0010:btrfs_free_block_groups+0x330/0x3c0
[15736.881046] Code: 00 00 00 ad de 49 be 22 01 00 00 00 00 ad de e8 b6 6d 7b 00 48 89 df e8 ae 89 ff ff 48 8b 83 28 11 00 00 49 39 c5 75 51 eb 7d <0f> 0b 31 c9 31 d2 4c 89 e6 48 89 df e8 6f 7a ff ff 48 83 7d 40 00
[15736.882486] RSP: 0018:ffff9a7507827dd0 EFLAGS: 00010286
[15736.882667] RAX: ffff8db0821778a8 RBX: ffff8db0967b4000 RCX: 000000008010000d
[15736.882891] RDX: 000000008010000e RSI: fffffae1c4692300 RDI: ffffffffb288fa01
[15736.883101] RBP: ffff8db0821778a8 R08: ffff8db09a48e800 R09: 000000008010000d
[15736.883307] R10: ffff8db09a48e800 R11: ffff8daf82890000 R12: ffff8db082177800
[15736.883501] R13: ffff8db0967b5128 R14: dead000000000122 R15: dead000000000100
[15736.883697] FS:  00007f623b810c40(0000) GS:ffff8db0fbc00000(0000) knlGS:0000000000000000
[15736.883951] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15736.884125] CR2: 00007ffdfa84cba0 CR3: 0000000104d5c001 CR4: 0000000000370ef0
[15736.884323] Call Trace:
[15736.884445]  
[15736.884557]  close_ctree+0x4a6/0x4ed
[15736.884698]  ? trace_hardirqs_on+0x1b/0xe0
[15736.884867]  ? pool_mayday_timeout+0x170/0x170
[15736.885018]  ? call_rcu+0x1e9/0x5b0
[15736.885154]  generic_shutdown_super+0x71/0x120
[15736.885322]  kill_anon_super+0x14/0x30
[15736.885465]  btrfs_kill_super+0x12/0x20
[15736.885606]  deactivate_locked_super+0x33/0xa0
[15736.885753]  cleanup_mnt+0x131/0x190
[15736.885903]  task_work_run+0x59/0xa0
[15736.886041]  exit_to_user_mode_prepare+0x28f/0x2a0
[15736.886199]  syscall_exit_to_user_mode+0x16/0x50
[15736.886384]  do_syscall_64+0x48/0x90
[15736.886523]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[15736.886697] RIP: 0033:0x7f623ba3f38b
[15736.886850] Code: 2a 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 90 f3 0f 1e fa 31 f6 e9 05 00 00 00 0f 1f 44 00 00 f3 0f 1e fa b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 b1 2a 0c 00 f7 d8
[15736.887342] RSP: 002b:00007ffdfa84e478 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[15736.887581] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f623ba3f38b
[15736.887787] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00005632ad552b90
[15736.887991] RBP: 00005632ad552960 R08: 0000000000000000 R09: 00007ffdfa84d1f0
[15736.888188] R10: 00007f623bac63e0 R11: 0000000000000246 R12: 0000000000000000
[15736.888388] R13: 00005632ad552b90 R14: 00005632ad552a70 R15: 00005632ad552960
[15736.888586]  
[15736.888701] irq event stamp: 0
[15736.888824] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15736.889015] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15736.889276] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15736.889518] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15736.889700] ---[ end trace 1724ff8fae508e09 ]---
[15736.889866] BTRFS info (device loop0): space_info 4 has 266600448 free, is not full
[15736.890102] BTRFS info (device loop0): space_info total=268435456, used=1785856, pinned=0, reserved=18446744073709535232, may_use=0, readonly=65536 zone_unusable=0
[15736.890502] BTRFS info (device loop0): global_block_rsv: size 0 reserved 0
[15736.890690] BTRFS info (device loop0): trans_block_rsv: size 0 reserved 0
[15736.890885] BTRFS info (device loop0): chunk_block_rsv: size 0 reserved 0
[15736.891071] BTRFS info (device loop0): delayed_block_rsv: size 0 reserved 0
[15736.891267] BTRFS info (device loop0): delayed_refs_rsv: size 0 reserved 0
[15737.934762] BTRFS info (device dm-9): flagging fs with big metadata feature
[15737.935038] BTRFS info (device dm-9): using free space tree
[15737.935212] BTRFS info (device dm-9): has skinny extents
[15737.937303] BTRFS info (device dm-9): start tree-log replay
[15737.969253] loop0: detected capacity change from 0 to 6629376
[15737.981347] BTRFS info (device loop0): flagging fs with big metadata feature
[15737.981667] BTRFS info (device loop0): using free space tree
[15737.981922] BTRFS info (device loop0): has skinny extents
[15738.037290] BTRFS info (device loop0): enabling ssd optimizations
[15740.050913] BTRFS warning (device dm-9): lost page write due to IO error on /dev/mapper/error-test (-5)
[15740.051205] btrfs_dev_stat_print_on_error: 58 callbacks suppressed
[15740.051207] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15740.051673] BTRFS error (device dm-9): error writing primary super block to device 1
[15740.051935] BTRFS: error (device dm-9) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15740.052229] BTRFS info (device dm-9): forced readonly
[15740.052393] BTRFS: error (device dm-9) in btrfs_sync_log:3322: errno=-5 IO failure
[15740.052639] lo_write_bvec: 18 callbacks suppressed
[15740.052641] loop: Write error at byte offset 842240000, length 4096.
[15740.052998] loop: Write error at byte offset 842313728, length 4096.
[15740.053189] loop: Write error at byte offset 842354688, length 4096.
[15740.053192] blk_print_req_error: 35 callbacks suppressed
[15740.053194] I/O error, dev loop0, sector 1645144 op 0x1:(WRITE) flags 0x8800 phys_seg 6 prio class 0
[15740.053375] loop: Write error at byte offset 794394624, length 4096.
[15740.053552] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15740.053809] loop: Write error at byte offset 842452992, length 4096.
[15740.054005] BTRFS warning (device loop0): direct IO failed ino 1605 rw 1,34817 sector 0x191a58 len 0 err no 10
[15740.054278] I/O error, dev loop0, sector 128 op 0x1:(WRITE) flags 0x3800 phys_seg 1 prio class 0
[15740.054994] BTRFS warning (device loop0): lost page write due to IO error on /dev/loop0 (-5)
[15740.055247] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 2, rd 0, flush 0, corrupt 0, gen 0
[15740.055529] I/O error, dev loop0, sector 1645000 op 0x1:(WRITE) flags 0x800 phys_seg 3 prio class 0
[15740.055792] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 3, rd 0, flush 0, corrupt 0, gen 0
[15740.056085] I/O error, dev loop0, sector 1645224 op 0x1:(WRITE) flags 0x0 phys_seg 5 prio class 0
[15740.056349] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 4, rd 0, flush 0, corrupt 0, gen 0
[15740.056626] I/O error, dev loop0, sector 1551552 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[15740.056893] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 5, rd 0, flush 0, corrupt 0, gen 0
[15740.057192] I/O error, dev loop0, sector 1645416 op 0x1:(WRITE) flags 0x0 phys_seg 3 prio class 0
[15740.057454] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 6, rd 0, flush 0, corrupt 0, gen 0
[15740.057752] loop: Write error at byte offset 842571776, length 4096.
[15740.057943] loop: Write error at byte offset 842571776, length 4096.
[15740.058135] I/O error, dev loop0, sector 1645648 op 0x1:(WRITE) flags 0x8800 phys_seg 12 prio class 0
[15740.058421] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 7, rd 0, flush 0, corrupt 0, gen 0
[15740.058441] BTRFS error (device loop0): error writing primary super block to device 1
[15740.058689] BTRFS warning (device loop0): direct IO failed ino 1634 rw 1,34817 sector 0x191c50 len 0 err no 10
[15740.058952] BTRFS: error (device loop0) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15740.059240] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 8, rd 0, flush 0, corrupt 0, gen 0
[15740.059520] BTRFS info (device loop0): forced readonly
[15740.059784] BTRFS warning (device loop0): direct IO failed ino 1634 rw 1,34817 sector 0x191c80 len 0 err no 10
[15740.059953] BTRFS: error (device loop0) in btrfs_sync_log:3322: errno=-5 IO failure
[15740.060779] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15740.061282] loop: Write error at byte offset 842182656, length 4096.
[15740.062359] I/O error, dev loop0, sector 1644888 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
[15740.063818] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 9, rd 0, flush 0, corrupt 0, gen 0
[15740.066602] loop: Write error at byte offset 842182656, length 4096.
[15740.066867] loop: Write error at byte offset 721334272, length 4096.
[15740.067061] I/O error, dev loop0, sector 1645424 op 0x1:(WRITE) flags 0x0 phys_seg 12 prio class 0
[15740.067155] I/O error, dev loop0, sector 1644888 op 0x1:(WRITE) flags 0x0 phys_seg 2 prio class 0
[15741.243791] BTRFS info (device dm-9): flagging fs with big metadata feature
[15741.244025] BTRFS info (device dm-9): using free space tree
[15741.244194] BTRFS info (device dm-9): has skinny extents
[15741.246449] BTRFS info (device dm-9): start tree-log replay
[15741.287783] loop0: detected capacity change from 0 to 6629376
[15741.297965] BTRFS info (device loop0): flagging fs with big metadata feature
[15741.298185] BTRFS info (device loop0): using free space tree
[15741.298366] BTRFS info (device loop0): has skinny extents
[15741.360253] BTRFS info (device loop0): enabling ssd optimizations
[15743.371218] BTRFS warning (device dm-9): lost page write due to IO error on /dev/mapper/error-test (-5)
[15743.371563] BTRFS warning (device dm-9): lost page write due to IO error on /dev/mapper/error-test (-5)
[15743.371870] BTRFS error (device dm-9): error writing primary super block to device 1
[15743.372117] BTRFS: error (device dm-9) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15743.372413] BTRFS info (device dm-9): forced readonly
[15743.372947] BTRFS warning (device dm-9): Skipping commit of aborted transaction.
[15743.373193] BTRFS: error (device dm-9) in cleanup_transaction:1928: errno=-5 IO failure
[15743.373656] BTRFS: error (device dm-9) in btrfs_sync_log:3311: errno=-5 IO failure
[15743.373944] BTRFS warning (device loop0): direct IO failed ino 1767 rw 1,34817 sector 0x1a7740 len 0 err no 10
[15743.374292] BTRFS warning (device loop0): direct IO failed ino 1767 rw 1,34817 sector 0x19e718 len 0 err no 10
[15743.376118] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[15743.376297] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15743.376415] BTRFS: error (device loop0) in write_all_supers:4313: errno=-5 IO failure (errors while submitting device barriers.)
[15743.382537] BTRFS info (device loop0): forced readonly
[15743.382699] BTRFS: error (device loop0) in btrfs_sync_log:3322: errno=-5 IO failure
[15744.642643] BTRFS info (device dm-9): flagging fs with big metadata feature
[15744.642895] BTRFS info (device dm-9): using free space tree
[15744.643065] BTRFS info (device dm-9): has skinny extents
[15744.645233] BTRFS info (device dm-9): start tree-log replay
[15744.681293] loop0: detected capacity change from 0 to 6629376
[15744.690281] BTRFS info (device loop0): flagging fs with big metadata feature
[15744.690501] BTRFS info (device loop0): using free space tree
[15744.690676] BTRFS info (device loop0): has skinny extents
[15744.778409] BTRFS info (device loop0): enabling ssd optimizations
[15746.791153] btrfs_dev_stat_print_on_error: 30 callbacks suppressed
[15746.791156] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15746.791651] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 2, rd 0, flush 0, corrupt 0, gen 0
[15746.791971] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 3, rd 0, flush 0, corrupt 0, gen 0
[15746.792258] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 4, rd 0, flush 0, corrupt 0, gen 0
[15746.792558] BTRFS: error (device dm-9) in btrfs_commit_transaction:2325: errno=-5 IO failure (Error while writing out transaction)
[15746.792894] BTRFS info (device dm-9): forced readonly
[15746.793059] BTRFS warning (device dm-9): Skipping commit of aborted transaction.
[15746.793304] BTRFS: error (device dm-9) in cleanup_transaction:1928: errno=-5 IO failure
[15746.794747] BTRFS: error (device dm-9) in btrfs_sync_log:3311: errno=-5 IO failure
[15746.795023] blk_print_req_error: 26 callbacks suppressed
[15746.795025] I/O error, dev loop0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
[15746.795445] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15746.795628] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 0, rd 0, flush 1, corrupt 0, gen 0
[15746.795979] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[15746.796265] BTRFS: error (device loop0) in write_all_supers:4313: errno=-5 IO failure (errors while submitting device barriers.)
[15746.796566] BTRFS info (device loop0): forced readonly
[15746.796730] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[15746.796976] BTRFS: error (device loop0) in cleanup_transaction:1928: errno=-5 IO failure
[15746.799186] lo_write_bvec: 25 callbacks suppressed
[15746.799188] loop: Write error at byte offset 916963328, length 4096.
[15746.799553] loop: Write error at byte offset 917045248, length 4096.
[15746.799791] loop: Write error at byte offset 917094400, length 4096.
[15746.800002] loop: Write error at byte offset 917176320, length 4096.
[15746.800244] loop: Write error at byte offset 917241856, length 4096.
[15746.800436] I/O error, dev loop0, sector 1790944 op 0x1:(WRITE) flags 0x0 phys_seg 4 prio class 0
[15746.800701] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 1, rd 0, flush 1, corrupt 0, gen 0
[15746.800998] I/O error, dev loop0, sector 1791104 op 0x1:(WRITE) flags 0x0 phys_seg 2 prio class 0
[15746.801270] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 2, rd 0, flush 1, corrupt 0, gen 0
[15746.801569] I/O error, dev loop0, sector 1791200 op 0x1:(WRITE) flags 0x0 phys_seg 4 prio class 0
[15746.801847] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 3, rd 0, flush 1, corrupt 0, gen 0
[15746.802132] I/O error, dev loop0, sector 1791360 op 0x1:(WRITE) flags 0x0 phys_seg 7 prio class 0
[15746.802402] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 4, rd 0, flush 1, corrupt 0, gen 0
[15746.802673] I/O error, dev loop0, sector 1791488 op 0x1:(WRITE) flags 0x0 phys_seg 2 prio class 0
[15746.802997] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 5, rd 0, flush 1, corrupt 0, gen 0
[15749.131650] BTRFS info (device dm-9): flagging fs with big metadata feature
[15749.131883] BTRFS info (device dm-9): using free space tree
[15749.132057] BTRFS info (device dm-9): has skinny extents
[15749.143288] loop0: detected capacity change from 0 to 6629376
[15749.176832] BTRFS info (device loop0): flagging fs with big metadata feature
[15749.177152] BTRFS info (device loop0): using free space tree
[15749.177424] BTRFS info (device loop0): has skinny extents
[15749.235834] BTRFS info (device loop0): enabling ssd optimizations
[15749.236064] BTRFS info (device loop0): start tree-log replay
[15750.357723] BTRFS: error (device dm-9) in btrfs_commit_transaction:2325: errno=-5 IO failure (Error while writing out transaction)
[15750.358068] BTRFS info (device dm-9): forced readonly
[15750.358074] I/O error, dev loop0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
[15750.358496] BTRFS warning (device dm-9): Skipping commit of aborted transaction.
[15750.358730] BTRFS: error (device dm-9) in cleanup_transaction:1928: errno=-5 IO failure
[15750.361926] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[15750.362705] BTRFS: error (device loop0) in write_all_supers:4313: errno=-5 IO failure (errors while submitting device barriers.)
[15750.363025] BTRFS info (device loop0): forced readonly
[15750.363197] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[15750.363432] BTRFS: error (device loop0) in cleanup_transaction:1928: errno=-5 IO failure
[15750.364350] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15750.365192] loop: Write error at byte offset 927027200, length 4096.
[15750.365443] loop: Write error at byte offset 688406528, length 4096.
[15750.365657] loop: Write error at byte offset 862040064, length 4096.
[15750.365870] loop: Write error at byte offset 879120384, length 4096.
[15750.366066] loop: Write error at byte offset 797335552, length 4096.
[15750.366286] I/O error, dev loop0, sector 1557296 op 0x1:(WRITE) flags 0x0 phys_seg 4 prio class 0
[15750.366296] I/O error, dev loop0, sector 1810600 op 0x1:(WRITE) flags 0x0 phys_seg 3 prio class 0
[15750.366595] I/O error, dev loop0, sector 1740664 op 0x1:(WRITE) flags 0x0 phys_seg 2 prio class 0
[15752.420047] BTRFS info (device dm-9): flagging fs with big metadata feature
[15752.420271] BTRFS info (device dm-9): using free space tree
[15752.420442] BTRFS info (device dm-9): has skinny extents
[15752.422424] BTRFS info (device dm-9): start tree-log replay
[15752.547448] loop0: detected capacity change from 0 to 6629376
[15752.561764] BTRFS info (device loop0): flagging fs with big metadata feature
[15752.562073] BTRFS info (device loop0): using free space tree
[15752.562338] BTRFS info (device loop0): has skinny extents
[15752.649938] BTRFS info (device loop0): enabling ssd optimizations
[15753.685416] BTRFS warning (device dm-9): lost page write due to IO error on /dev/mapper/error-test (-5)
[15753.685714] btrfs_dev_stat_print_on_error: 43 callbacks suppressed
[15753.685716] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15753.686210] BTRFS error (device dm-9): error writing primary super block to device 1
[15753.686507] BTRFS: error (device dm-9) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15753.686833] BTRFS info (device dm-9): forced readonly
[15753.687002] BTRFS: error (device dm-9) in btrfs_sync_log:3322: errno=-5 IO failure
[15753.687257] lo_write_bvec: 3 callbacks suppressed
[15753.687259] loop: Write error at byte offset 899330048, length 4096.
[15753.688123] blk_print_req_error: 5 callbacks suppressed
[15753.688125] I/O error, dev loop0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
[15753.688570] I/O error, dev loop0, sector 1756504 op 0x1:(WRITE) flags 0x8800 phys_seg 16 prio class 0
[15753.688853] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[15753.689129] BTRFS warning (device loop0): direct IO failed ino 2092 rw 1,34817 sector 0x1acd58 len 0 err no 10
[15753.689428] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 1, rd 0, flush 1, corrupt 0, gen 0
[15753.689699] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[15753.689993] BTRFS: error (device loop0) in write_all_supers:4313: errno=-5 IO failure (errors while submitting device barriers.)
[15753.690308] BTRFS info (device loop0): forced readonly
[15753.690472] BTRFS: error (device loop0) in btrfs_sync_log:3322: errno=-5 IO failure
[15753.690926] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15753.690996] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[15753.691240] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 1, rd 1, flush 0, corrupt 0, gen 0
[15753.691433] BTRFS: error (device loop0) in cleanup_transaction:1928: errno=-5 IO failure
[15753.691992] I/O error, dev loop0, sector 88416 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[15753.691996] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 1, rd 1, flush 1, corrupt 0, gen 0
[15753.692711] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 1, rd 2, flush 0, corrupt 0, gen 0
[15753.693116] loop: Write error at byte offset 897683456, length 4096.
[15753.693116] I/O error, dev loop0, sector 612704 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[15753.693390] loop: Write error at byte offset 899330048, length 4096.
[15753.693392] loop: Write error at byte offset 849252352, length 4096.
[15753.694034] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 1, rd 2, flush 1, corrupt 0, gen 0
[15753.694316] I/O error, dev loop0, sector 1753288 op 0x1:(WRITE) flags 0x0 phys_seg 7 prio class 0
[15753.694611] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 2, rd 2, flush 1, corrupt 0, gen 0
[15753.700516] I/O error, dev loop0, sector 1756504 op 0x1:(WRITE) flags 0x0 phys_seg 11 prio class 0
[15753.700848] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 3, rd 2, flush 1, corrupt 0, gen 0
[15753.701149] I/O error, dev loop0, sector 1658696 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[15753.701414] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 4, rd 2, flush 1, corrupt 0, gen 0
[15753.702477] I/O error, dev loop0, sector 105600 op 0x0:(READ) flags 0x1000 phys_seg 3 prio class 0
[15753.702869] I/O error, dev loop0, sector 629888 op 0x0:(READ) flags 0x1000 phys_seg 3 prio class 0
[15753.706287] BTRFS warning (device dm-9): Skipping commit of aborted transaction.
[15753.706536] BTRFS: error (device dm-9) in cleanup_transaction:1928: errno=-5 IO failure
[15753.707581] I/O error, dev loop0, sector 83488 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[15755.862963] BTRFS info (device dm-9): flagging fs with big metadata feature
[15755.863182] BTRFS info (device dm-9): using free space tree
[15755.863349] BTRFS info (device dm-9): has skinny extents
[15755.865299] BTRFS info (device dm-9): start tree-log replay
[15755.934836] loop0: detected capacity change from 0 to 6629376
[15755.949254] BTRFS info (device loop0): flagging fs with big metadata feature
[15755.949492] BTRFS info (device loop0): using free space tree
[15755.949667] BTRFS info (device loop0): has skinny extents
[15756.039791] BTRFS info (device loop0): enabling ssd optimizations
[15756.039993] BTRFS info (device loop0): start tree-log replay
[15758.089570] BTRFS warning (device dm-9): lost page write due to IO error on /dev/mapper/error-test (-5)
[15758.089906] BTRFS error (device dm-9): error writing primary super block to device 1
[15758.090175] BTRFS: error (device dm-9) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15758.090488] BTRFS info (device dm-9): forced readonly
[15758.090655] BTRFS: error (device dm-9) in btrfs_sync_log:3322: errno=-5 IO failure
[15758.091653] BTRFS warning (device loop0): lost page write due to IO error on /dev/loop0 (-5)
[15758.092572] BTRFS error (device loop0): error writing primary super block to device 1
[15758.092898] BTRFS: error (device loop0) in write_all_supers:4383: errno=-5 IO failure (1 errors while writing supers)
[15758.093640] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[15758.093913] BTRFS info (device loop0): forced readonly
[15758.093915] BTRFS: error (device loop0) in btrfs_sync_log:3322: errno=-5 IO failure
[15758.095597] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[15758.096013] BTRFS: error (device loop0) in cleanup_transaction:1928: errno=-5 IO failure
[15758.098919] BTRFS warning (device dm-9): Skipping commit of aborted transaction.
[15758.099176] BTRFS: error (device dm-9) in cleanup_transaction:1928: errno=-5 IO failure
[15758.201778] ------------[ cut here ]------------
[15758.201953] WARNING: CPU: 0 PID: 2592136 at fs/btrfs/block-group.c:127 btrfs_put_block_group+0x77/0xb0
[15758.202248] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink xfs intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep snd_hda_core joydev intel_rapl_common snd_pcm snd_timer i2c_i801 snd virtio_balloon i2c_smbus soundcore lpc_ich zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15758.203724] CPU: 0 PID: 2592136 Comm: umount Tainted: G        W         5.16.0-rc8+ #539
[15758.203970] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15758.204229] RIP: 0010:btrfs_put_block_group+0x77/0xb0
[15758.204387] Code: 21 48 8b bd 68 01 00 00 e8 56 8c d8 ff 48 8b bd d0 03 00 00 e8 4a 8c d8 ff 48 89 ef 5d e9 41 8c d8 ff 0f 0b eb db 0f 0b eb b1 <0f> 0b eb b4 0f 0b 48 8b 45 00 48 89 ee 48 8d b8 f8 15 00 00 e8 70
[15758.204846] RSP: 0018:ffff9a7501f0fdc0 EFLAGS: 00010286
[15758.205012] RAX: 0000000000000001 RBX: ffff8db09349c000 RCX: ffff8db0f3cd49b0
[15758.205219] RDX: 0000000000000001 RSI: ffffffffb1669747 RDI: ffff8db0f3cd4800
[15758.205425] RBP: ffff8db0f3cd4800 R08: 0000000000000000 R09: 0000000000000000
[15758.205634] R10: ffff8dafdd9a4900 R11: ffff8db0fbc20d88 R12: ffff8db09349c130
[15758.205849] R13: ffff8db09349c178 R14: ffff8db0f3cd4970 R15: dead000000000100
[15758.206048] FS:  00007fbe644cfc40(0000) GS:ffff8db0fbc00000(0000) knlGS:0000000000000000
[15758.206306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15758.206475] CR2: 00007fbe64800000 CR3: 00000001063e4006 CR4: 0000000000370ef0
[15758.206677] Call Trace:
[15758.206808]  
[15758.206932]  btrfs_free_block_groups+0x255/0x3c0
[15758.207094]  close_ctree+0x4a6/0x4ed
[15758.207232]  ? trace_hardirqs_on+0x1b/0xe0
[15758.207375]  ? pool_mayday_timeout+0x170/0x170
[15758.207521]  ? call_rcu+0x1e9/0x5b0
[15758.207660]  generic_shutdown_super+0x71/0x120
[15758.207823]  kill_anon_super+0x14/0x30
[15758.207963]  btrfs_kill_super+0x12/0x20
[15758.208111]  deactivate_locked_super+0x33/0xa0
[15758.208262]  cleanup_mnt+0x131/0x190
[15758.208397]  task_work_run+0x59/0xa0
[15758.208531]  exit_to_user_mode_prepare+0x28f/0x2a0
[15758.208699]  syscall_exit_to_user_mode+0x16/0x50
[15758.208857]  do_syscall_64+0x48/0x90
[15758.208991]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[15758.209157] RIP: 0033:0x7fbe646fe38b
[15758.209296] Code: 2a 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 90 f3 0f 1e fa 31 f6 e9 05 00 00 00 0f 1f 44 00 00 f3 0f 1e fa b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 b1 2a 0c 00 f7 d8
[15758.209756] RSP: 002b:00007ffc7aab9bc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[15758.209991] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fbe646fe38b
[15758.210190] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000055e96f0e0b90
[15758.210380] RBP: 000055e96f0e0960 R08: 0000000000000000 R09: 00007ffc7aab8940
[15758.210573] R10: 00007fbe647853e0 R11: 0000000000000246 R12: 0000000000000000
[15758.210775] R13: 000055e96f0e0b90 R14: 000055e96f0e0a70 R15: 000055e96f0e0960
[15758.210981]  
[15758.211097] irq event stamp: 0
[15758.211223] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15758.211402] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15758.211646] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15758.211908] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15758.212090] ---[ end trace 1724ff8fae508e0a ]---
[15758.212293] ------------[ cut here ]------------
[15758.212458] WARNING: CPU: 1 PID: 2592136 at fs/btrfs/block-group.c:3989 btrfs_free_block_groups+0x330/0x3c0
[15758.212762] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink xfs intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep snd_hda_core joydev intel_rapl_common snd_pcm snd_timer i2c_i801 snd virtio_balloon i2c_smbus soundcore lpc_ich zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15758.214903] CPU: 1 PID: 2592136 Comm: umount Tainted: G        W         5.16.0-rc8+ #539
[15758.215157] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15758.215408] RIP: 0010:btrfs_free_block_groups+0x330/0x3c0
[15758.215579] Code: 00 00 00 ad de 49 be 22 01 00 00 00 00 ad de e8 b6 6d 7b 00 48 89 df e8 ae 89 ff ff 48 8b 83 28 11 00 00 49 39 c5 75 51 eb 7d <0f> 0b 31 c9 31 d2 4c 89 e6 48 89 df e8 6f 7a ff ff 48 83 7d 40 00
[15758.216042] RSP: 0018:ffff9a7501f0fdd0 EFLAGS: 00010286
[15758.216209] RAX: ffff8db086f310a8 RBX: ffff8db09349c000 RCX: 000000008010000e
[15758.216398] RDX: 000000008010000f RSI: fffffae1c417b200 RDI: ffffffffb288fa01
[15758.216594] RBP: ffff8db086f310a8 R08: ffff8db085eca400 R09: 000000008010000e
[15758.216796] R10: ffff8db085eca400 R11: ffff8db0cd57edb0 R12: ffff8db086f31000
[15758.216993] R13: ffff8db09349d128 R14: dead000000000122 R15: dead000000000100
[15758.217193] FS:  00007fbe644cfc40(0000) GS:ffff8db0fbd00000(0000) knlGS:0000000000000000
[15758.217443] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15758.217610] CR2: 00007f9d14820b80 CR3: 00000001063e4003 CR4: 0000000000370ee0
[15758.217819] Call Trace:
[15758.217940]  
[15758.218058]  close_ctree+0x4a6/0x4ed
[15758.218200]  ? trace_hardirqs_on+0x1b/0xe0
[15758.218346]  ? pool_mayday_timeout+0x170/0x170
[15758.218499]  ? call_rcu+0x1e9/0x5b0
[15758.218634]  generic_shutdown_super+0x71/0x120
[15758.218797]  kill_anon_super+0x14/0x30
[15758.218942]  btrfs_kill_super+0x12/0x20
[15758.219087]  deactivate_locked_super+0x33/0xa0
[15758.219236]  cleanup_mnt+0x131/0x190
[15758.219376]  task_work_run+0x59/0xa0
[15758.219514]  exit_to_user_mode_prepare+0x28f/0x2a0
[15758.219670]  syscall_exit_to_user_mode+0x16/0x50
[15758.219836]  do_syscall_64+0x48/0x90
[15758.219978]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[15758.220145] RIP: 0033:0x7fbe646fe38b
[15758.220280] Code: 2a 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 90 f3 0f 1e fa 31 f6 e9 05 00 00 00 0f 1f 44 00 00 f3 0f 1e fa b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 b1 2a 0c 00 f7 d8
[15758.220745] RSP: 002b:00007ffc7aab9bc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[15758.220981] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fbe646fe38b
[15758.221174] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000055e96f0e0b90
[15758.221367] RBP: 000055e96f0e0960 R08: 0000000000000000 R09: 00007ffc7aab8940
[15758.221555] R10: 00007fbe647853e0 R11: 0000000000000246 R12: 0000000000000000
[15758.221759] R13: 000055e96f0e0b90 R14: 000055e96f0e0a70 R15: 000055e96f0e0960
[15758.227509]  
[15758.227622] irq event stamp: 0
[15758.227759] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15758.227942] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15758.228197] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15758.228439] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15758.228620] ---[ end trace 1724ff8fae508e0b ]---
[15758.228784] BTRFS info (device loop0): space_info 4 has 265437184 free, is not full
[15758.229021] BTRFS info (device loop0): space_info total=268435456, used=2949120, pinned=0, reserved=18446744073709535232, may_use=0, readonly=65536 zone_unusable=0
[15758.229414] BTRFS info (device loop0): global_block_rsv: size 0 reserved 0
[15758.229603] BTRFS info (device loop0): trans_block_rsv: size 0 reserved 0
[15758.229804] BTRFS info (device loop0): chunk_block_rsv: size 0 reserved 0
[15758.229995] BTRFS info (device loop0): delayed_block_rsv: size 0 reserved 0
[15758.230191] BTRFS info (device loop0): delayed_refs_rsv: size 0 reserved 0
[15759.328304] BTRFS info (device dm-9): flagging fs with big metadata feature
[15759.328621] BTRFS info (device dm-9): using free space tree
[15759.328895] BTRFS info (device dm-9): has skinny extents
[15759.331378] BTRFS info (device dm-9): start tree-log replay
[15759.366094] loop0: detected capacity change from 0 to 6629376
[15759.379853] BTRFS info (device loop0): flagging fs with big metadata feature
[15759.380163] BTRFS info (device loop0): using free space tree
[15759.380400] BTRFS info (device loop0): has skinny extents
[15759.385461] BTRFS info (device loop0): enabling ssd optimizations