Re: [LKP] Re: [btrfs] 3626a285f8: divide_error:#[##]

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Hi Qu,

On 3/14/2022 10:24, Qu Wenruo wrote:


On 2022/3/14 10:05, Oliver Sang wrote:
Hi Qu,

On Wed, Mar 09, 2022 at 04:42:41PM +0800, Qu Wenruo wrote:


On 2022/3/9 15:49, Oliver Sang wrote:
Hi Qu,

On Fri, Mar 04, 2022 at 03:26:19PM +0800, Qu Wenruo wrote:


On 2022/3/2 16:44, Oliver Sang wrote:
Hi Qu,

On Tue, Mar 01, 2022 at 03:47:38PM +0800, Qu Wenruo wrote:


This is weird, the code is from simple_stripe_full_stripe_len(), which
means the chunk map must be RAID0 or RAID10.

In that case, their sub_stripes should be either 1 or 2, why we got 0 there?

In fact, from volumes.c, all sub_stripes is from btrfs_raid_array[],
which all have either 1 or 2 sub_stripes.


Although the code is old, not the latest version, it should still not
cause such problem.

Mind to retest with my branch to see if it can be reproduced?
https://github.com/adam900710/linux/tree/refactor_scrub

we tested head of this branch:
     d6e3a8c42f2fad btrfs: scrub: rename scrub_bio::pagev and related members
and:
     fdad4a9615f180 btrfs: introduce dedicated helper to scrub simple-stripe based range
on this branch.

by attached config.

still reproduce the same issue.

attached dmesgs FYI.

Still failed to reproduce here.

Those btrfs/07[0123] tests are already in scrub/replace group, thus I
ran them almost hourly during the development.


Although there are some ASSERT()s doing extra sanity checks, they should
not affect the result anyway.

Thus I pushed a branch with more explicit BUG_ON()s to catch the
possible divide by zero bugs.
(https://github.com/adam900710/linux/tree/refactor_scrub_testing)

Mind to give it a try?


in our tests, it seems one BUG_ON you added is triggered
(full dmesg attached):

What the heck...

It's indeed some weird extent mapping has its sub-stripes as 0...

I must be insane or there is something fundamental wrong.

Mind to try that branch again? I have updated the branch, now it will
trigger BUG_ON() as soon as it finds a chunk mapping with sub_stripes == 0.

I'm wondering if it's old btrfs-progs involved (which may not properly
initialize btrfs_chunk::sub_stripes) now.

below BUG print was caught by your new patch (detail dmesg attached):

Thank you very much for the detailed report!

The triggered BUG_ON() means, we're getting sub_stripes == 0, for
unrelated chunks (in this case, it's DUP from sys chunk array, from the
full dmesg).

And from the code context, it's from super-block, thus there must be
something wrong with the mkfs.btrfs.

But unfortunately, I re-compiled my btrfs-progs v5.15.1, retried, and
still no reproduce.

Mind to share the result of "btrfs ins dump-tree -t chunk /dev/sdb2" and
"btrfs ins dump-super -f /dev/sdb2" just after the mkfs.btrfs call of it?

As the BUG_ON() mostly means, the result from mkfs.btrfs is not correct.


We have added the "btrfs ins dump" commands after mkfs btrfs call, and got below log:
(full dmesg attached)

[   83.859614][  T337] 2022-03-17 03:28:07 ~~~~~~~~~~~~~~ /dev/sdb2 start ~~~~~~~~~~~~~~
[   83.859620][  T337]
[   83.870522][  T337] 2022-03-17 03:28:07 mkfs -t btrfs /dev/sdb2
[   83.870528][  T337]
[   84.160841][ T1446] BTRFS: device fsid 3f698242-c4db-4b90-9aef-804b56f2bb6e devid 1 transid 6 /dev/sdb2 scanned by mkfs.btrfs (1446)
[   84.173707][  T337] btrfs-progs v5.15.1
[   84.173714][  T337]
[   84.180774][  T337] See http://btrfs.wiki.kernel.org for more information.
[   84.180781][  T337]
[   84.189916][  T337]
[   84.189930][  T337]
[   84.195706][  T337] NOTE: several default settings have changed in version 5.15, please make sure
[   84.195712][  T337]
[   84.207588][  T337]       this does not affect your deployments:
[   84.207594][  T337]
[   84.216415][  T337]       - DUP for metadata (-m dup)
[   84.216420][  T337]
[   84.224369][  T337]       - enabled no-holes (-O no-holes)
[   84.224374][  T337]
[   84.233011][  T337]       - enabled free-space-tree (-R free-space-tree)
[   84.233017][  T337]
[   84.241956][  T337]
[   84.241961][  T337]
[   84.246811][  T337] Label:              (null)
[   84.246817][  T337]
[   84.254487][  T337] UUID:               3f698242-c4db-4b90-9aef-804b56f2bb6e
[   84.254493][  T337]
[   84.264219][  T337] Node size:          16384
[   84.264224][  T337]
[   84.271244][  T337] Sector size:        4096
[   84.271250][  T337]
[   84.278261][  T337] Filesystem size:    300.00GiB
[   84.278266][  T337]
[   84.285545][  T337] Block group profiles:
[   84.285551][  T337]
[   84.292560][  T337]   Data:             single            8.00MiB
[   84.292566][  T337]
[   84.301673][  T337]   Metadata:         DUP               1.00GiB
[   84.301678][  T337]
[   84.310792][  T337]   System:           DUP               8.00MiB
[   84.310798][  T337]
[   84.319517][  T337] SSD detected:       no
[   84.319523][  T337]
[   84.326270][  T337] Zoned device:       no
[   84.326275][  T337]
[   84.333495][  T337] Incompat features:  extref, skinny-metadata, no-holes
[   84.333500][  T337]
[   84.343101][  T337] Runtime features:   free-space-tree
[   84.343107][  T337]
[   84.350971][  T337] Checksum:           crc32c
[   84.350977][  T337]
[   84.357993][  T337] Number of devices:  1
[   84.357998][  T337]
[   84.364376][  T337] Devices:
[   84.364381][  T337]
[   84.369859][  T337]    ID        SIZE  PATH
[   84.369864][  T337]
[   84.376746][  T337]     1   300.00GiB  /dev/sdb2
[   84.376752][  T337]
[   84.383603][  T337]
[   84.383608][  T337]
[   84.388521][  T337] 2022-03-17 03:28:08 sleep 10
[   84.388526][  T337]
[   94.181546][  T337] 2022-03-17 03:28:18 btrfs ins dump-tree -t chunk /dev/sdb2
[   94.181556][  T337]
[   94.215558][  T337] btrfs-progs v4.20.1
[   94.215568][  T337]
[   94.221902][  T337] chunk tree
[   94.221908][  T337]
[   94.228420][  T337] leaf 22036480 items 4 free space 15781 generation 6 owner CHUNK_TREE
[   94.228425][  T337]
[   94.239630][  T337] leaf 22036480 flags 0x1(WRITTEN) backref revision 1
[   94.239636][  T337]
[   94.249280][  T337] fs uuid 3f698242-c4db-4b90-9aef-804b56f2bb6e
[   94.249286][  T337]
[   94.258358][  T337] chunk uuid a7c33201-4d1f-44e0-8491-d386f70f1ac7
[   94.258363][  T337]
[   94.267903][  T337]  item 0 key (DEV_ITEMS DEV_ITEM 1) itemoff 16185 itemsize 98
[   94.267909][  T337]
[   94.278519][  T337]          devid 1 total_bytes 322122547200 bytes_used 2172649472
[   94.278524][  T337]
[   94.288713][  T337]          io_align 4096 io_width 4096 sector_size 4096 type 0
[   94.288718][  T337]
[   94.298450][  T337]          generation 0 start_offset 0 dev_group 0
[   94.298455][  T337]
[   94.306862][  T337]          seek_speed 0 bandwidth 0
[   94.306868][  T337]
[   94.314295][  T337]          uuid 2acf3fb5-c521-4863-99c0-2cccde7f72af
[   94.314300][  T337]
[   94.323221][  T337]          fsid 3f698242-c4db-4b90-9aef-804b56f2bb6e
[   94.323235][  T337]
[   94.332728][  T337]  item 1 key (FIRST_CHUNK_TREE CHUNK_ITEM 13631488) itemoff 16105 itemsize 80
[   94.332733][  T337]
[   94.344629][  T337]          length 8388608 owner 2 stripe_len 65536 type DATA
[   94.344635][  T337]
[   94.354342][  T337]          io_align 65536 io_width 65536 sector_size 4096
[   94.354348][  T337]
[   94.363469][  T337]          num_stripes 1 sub_stripes 1
[   94.363475][  T337]
[   94.370987][  T337]                  stripe 0 devid 1 offset 13631488
[   94.370993][  T337]
[   94.379293][  T337]                  dev_uuid 2acf3fb5-c521-4863-99c0-2cccde7f72af
[   94.379298][  T337]
[   94.389332][  T337]  item 2 key (FIRST_CHUNK_TREE CHUNK_ITEM 22020096) itemoff 15993 itemsize 112
[   94.389337][  T337]
[   94.401456][  T337]          length 8388608 owner 2 stripe_len 65536 type SYSTEM|DUP
[   94.401461][  T337]
[   94.411651][  T337]          io_align 65536 io_width 65536 sector_size 4096
[   94.411657][  T337]
[   94.420718][  T337]          num_stripes 2 sub_stripes 1
[   94.420723][  T337]
[   94.428297][  T337]                  stripe 0 devid 1 offset 22020096
[   94.428302][  T337]
[   94.436583][  T337]                  dev_uuid 2acf3fb5-c521-4863-99c0-2cccde7f72af
[   94.436588][  T337]
[   94.445784][  T337]                  stripe 1 devid 1 offset 30408704
[   94.445789][  T337]
[   94.454060][  T337]                  dev_uuid 2acf3fb5-c521-4863-99c0-2cccde7f72af
[   94.454066][  T337]
[   94.463995][  T337]  item 3 key (FIRST_CHUNK_TREE CHUNK_ITEM 30408704) itemoff 15881 itemsize 112
[   94.464001][  T337]
[   94.476279][  T337]          length 1073741824 owner 2 stripe_len 65536 type METADATA|DUP
[   94.476288][  T337]
[   94.486957][  T337]          io_align 65536 io_width 65536 sector_size 4096
[   94.486963][  T337]
[   94.496023][  T337]          num_stripes 2 sub_stripes 1
[   94.496029][  T337]
[   94.503588][  T337]                  stripe 0 devid 1 offset 38797312
[   94.503594][  T337]
[   94.511891][  T337]                  dev_uuid 2acf3fb5-c521-4863-99c0-2cccde7f72af
[   94.511897][  T337]
[   94.521097][  T337]                  stripe 1 devid 1 offset 1112539136
[   94.521102][  T337]
[   94.529560][  T337]                  dev_uuid 2acf3fb5-c521-4863-99c0-2cccde7f72af
[   94.529566][  T337]
[   94.538649][  T337] 2022-03-17 03:28:18 sleep 10
[   94.538654][  T337]
[  104.223120][  T337] 2022-03-17 03:28:28 btrfs ins dump-super -f /dev/sdb2
[  104.223129][  T337]
[  104.232956][  T337] superblock: bytenr=65536, device=/dev/sdb2
[  104.232962][  T337]
[  104.242015][  T337] ---------------------------------------------------------
[  104.242021][  T337]
[  104.251907][  T337] csum_type                0 (crc32c)
[  104.251912][  T337]
[  104.258378][  T337] csum_size                4
[  104.258383][  T337]
[  104.264296][  T337] csum                     0xe574a9d1 [match]
[  104.264300][  T337]
[  104.271125][  T337] bytenr                   65536
[  104.271130][  T337]
[  104.276917][  T337] flags                    0x1
[  104.276922][  T337]
[  104.282504][  T337]                  ( WRITTEN )
[  104.282509][  T337]
[  104.288568][  T337] magic                    _BHRfS_M [match]
[  104.288573][  T337]
[  104.295818][  T337] fsid                     3f698242-c4db-4b90-9aef-804b56f2bb6e
[  104.295823][  T337]
[  104.304849][  T337] metadata_uuid            3f698242-c4db-4b90-9aef-804b56f2bb6e
[  104.304854][  T337]
[  104.313828][  T337] label
[  104.313833][  T337]
[  104.319132][  T337] generation               6
[  104.319136][  T337]
[  104.324922][  T337] root                     30654464
[  104.324927][  T337]
[  104.330926][  T337] sys_array_size           129
[  104.330931][  T337]
[  104.337401][  T337] chunk_root_generation    6
[  104.337406][  T337]
[  104.344026][  T337] root_level               0
[  104.344031][  T337]
[  104.349877][  T337] chunk_root               22036480
[  104.349882][  T337]
[  104.356346][  T337] chunk_root_level 0
[  104.356351][  T337]
[  104.362501][  T337] log_root         0
[  104.362506][  T337]
[  104.368192][  T337] log_root_transid 0
[  104.368197][  T337]
[  104.374462][  T337] log_root_level           0
[  104.374467][  T337]
[  104.380741][  T337] total_bytes              322122547200
[  104.380746][  T337]
[  104.387601][  T337] bytes_used               196608
[  104.387606][  T337]
[  104.393820][  T337] sectorsize               4096
[  104.393825][  T337]
[  104.399864][  T337] nodesize         16384
[  104.399869][  T337]
[  104.406022][  T337] leafsize (deprecated)            16384
[  104.406027][  T337]
[  104.413112][  T337] stripesize               4096
[  104.413117][  T337]
[  104.419095][  T337] root_dir         6
[  104.419099][  T337]
[  104.424681][  T337] num_devices              1
[  104.424686][  T337]
[  104.430566][  T337] compat_flags             0x0
[  104.430571][  T337]
[  104.436779][  T337] compat_ro_flags          0x3
[  104.436784][  T337]
[  104.443332][  T337]                  ( FREE_SPACE_TREE |
[  104.443337][  T337]
[  104.450096][  T337]                    FREE_SPACE_TREE_VALID )
[  104.450101][  T337]
[  104.457309][  T337] incompat_flags           0x341
[  104.457314][  T337]
[  104.463873][  T337]                  ( MIXED_BACKREF |
[  104.463878][  T337]
[  104.470372][  T337]                    EXTENDED_IREF |
[  104.470377][  T337]
[  104.476866][  T337]                    SKINNY_METADATA |
[  104.476871][  T337]
[  104.483439][  T337]                    NO_HOLES )
[  104.483444][  T337]
[  104.489482][  T337] cache_generation 0
[  104.489487][  T337]
[  104.495818][  T337] uuid_tree_generation     0
[  104.495823][  T337]
[  104.503027][  T337] dev_item.uuid            2acf3fb5-c521-4863-99c0-2cccde7f72af
[  104.503032][  T337]
[  104.512859][  T337] dev_item.fsid            3f698242-c4db-4b90-9aef-804b56f2bb6e [match]
[  104.512864][  T337]
[  104.522669][  T337] dev_item.type            0
[  104.522674][  T337]
[  104.529015][  T337] dev_item.total_bytes     322122547200
[  104.529020][  T337]
[  104.536786][  T337] dev_item.bytes_used      2172649472
[  104.536791][  T337]
[  104.544214][  T337] dev_item.io_align        4096
[  104.544227][  T337]
[  104.550886][  T337] dev_item.io_width        4096
[  104.550890][  T337]
[  104.557600][  T337] dev_item.sector_size     4096
[  104.557605][  T337]
[  104.564490][  T337] dev_item.devid           1
[  104.564495][  T337]
[  104.570702][  T337] dev_item.dev_group       0
[  104.570707][  T337]
[  104.577224][  T337] dev_item.seek_speed      0
[  104.577229][  T337]
[  104.583769][  T337] dev_item.bandwidth       0
[  104.583774][  T337]
[  104.590288][  T337] dev_item.generation      0
[  104.590293][  T337]
[  104.596867][  T337] sys_chunk_array[2048]:
[  104.596872][  T337]
[  104.604027][  T337]  item 0 key (FIRST_CHUNK_TREE CHUNK_ITEM 22020096)
[  104.604032][  T337]
[  104.613761][  T337]          length 8388608 owner 2 stripe_len 65536 type SYSTEM|DUP
[  104.613766][  T337]
[  104.623962][  T337]          io_align 65536 io_width 65536 sector_size 4096
[  104.623967][  T337]
[  104.633004][  T337]          num_stripes 2 sub_stripes 1
[  104.633008][  T337]
[  104.640526][  T337]                  stripe 0 devid 1 offset 22020096
[  104.640531][  T337]
[  104.648803][  T337]                  dev_uuid 2acf3fb5-c521-4863-99c0-2cccde7f72af
[  104.648808][  T337]
[  104.657956][  T337]                  stripe 1 devid 1 offset 30408704
[  104.657961][  T337]
[  104.666236][  T337]                  dev_uuid 2acf3fb5-c521-4863-99c0-2cccde7f72af
[  104.666241][  T337]
[  104.675067][  T337] backup_roots[4]:
[  104.675072][  T337]
[  104.681035][  T337]  backup 0:
[  104.681040][  T337]
[  104.687028][  T337]          backup_tree_root:       30490624        gen: 5  level: 0
[  104.687033][  T337]
[  104.696005][  T337]          backup_chunk_root:      22020096        gen: 5  level: 0
[  104.696010][  T337]
[  104.705091][  T337]          backup_extent_root:     30507008        gen: 5  level: 0
[  104.705096][  T337]
[  104.714236][  T337]          backup_fs_root:         30474240        gen: 5  level: 0
[  104.714241][  T337]
[  104.723079][  T337]          backup_dev_root:        30523392        gen: 5  level: 0
[  104.723084][  T337]
[  104.731944][  T337]          backup_csum_root:       30539776        gen: 5  level: 0
[  104.731949][  T337]
[  104.740749][  T337]          backup_total_bytes:     322122547200
[  104.740754][  T337]
[  104.748608][  T337]          backup_bytes_used:      196608
[  104.748613][  T337]
[  104.755736][  T337]          backup_num_devices:     1
[  104.755741][  T337]
[  104.762131][  T337]
[  104.762135][  T337]
[  104.766687][  T337]  backup 1:
[  104.766692][  T337]
[  104.772697][  T337]          backup_tree_root:       30654464        gen: 6  level: 0
[  104.772702][  T337]
[  104.781702][  T337]          backup_chunk_root:      22036480        gen: 6  level: 0
[  104.781707][  T337]
[  104.790822][  T337]          backup_extent_root:     30408704        gen: 6  level: 0
[  104.790827][  T337]
[  104.799929][  T337]          backup_fs_root:         30474240        gen: 5  level: 0
[  104.799934][  T337]
[  104.808842][  T337]          backup_dev_root:        30425088        gen: 6  level: 0
[  104.808847][  T337]
[  104.817759][  T337]          backup_csum_root:       30539776        gen: 5  level: 0
[  104.817764][  T337]
[  104.826590][  T337]          backup_total_bytes:     322122547200
[  104.826595][  T337]
[  104.834424][  T337]          backup_bytes_used:      196608
[  104.834429][  T337]
[  104.841566][  T337]          backup_num_devices:     1
[  104.841571][  T337]
[  104.847961][  T337]
[  104.847965][  T337]
[  104.852537][  T337]  backup 2:
[  104.852542][  T337]
[  104.858545][  T337]          backup_tree_root:       5308416 gen: 3  level: 0
[  104.858550][  T337]
[  104.867455][  T337]          backup_chunk_root:      1048576 gen: 3  level: 0
[  104.867460][  T337]
[  104.876485][  T337]          backup_extent_root:     5275648 gen: 3  level: 0
[  104.876490][  T337]
[  104.885519][  T337]          backup_fs_root:         5324800 gen: 3  level: 0
[  104.885523][  T337]
[  104.894298][  T337]          backup_dev_root:        5259264 gen: 3  level: 0
[  104.894303][  T337]
[  104.903075][  T337]          backup_csum_root:       1130496 gen: 1  level: 0
[  104.903080][  T337]
[  104.911786][  T337]          backup_total_bytes:     322122547200
[  104.911791][  T337]
[  104.919634][  T337]          backup_bytes_used:      114688
[  104.919639][  T337]
[  104.926750][  T337]          backup_num_devices:     1
[  104.926755][  T337]
[  104.933181][  T337]
[  104.933194][  T337]
[  104.937748][  T337]  backup 3:
[  104.937753][  T337]
[  104.943802][  T337]          backup_tree_root:       30457856        gen: 4  level: 0
[  104.943807][  T337]
[  104.952813][  T337]          backup_chunk_root:      1064960 gen: 4  level: 0
[  104.952818][  T337]
[  104.961824][  T337]          backup_extent_root:     5341184 gen: 4  level: 0
[  104.961829][  T337]
[  104.970886][  T337]          backup_fs_root:         5324800 gen: 3  level: 0
[  104.970891][  T337]
[  104.979687][  T337]          backup_dev_root:        5242880 gen: 4  level: 0
[  104.979692][  T337]
[  104.988495][  T337]          backup_csum_root:       1130496 gen: 1  level: 0
[  104.988500][  T337]
[  104.997229][  T337]          backup_total_bytes:     322122547200
[  104.997234][  T337]
[  105.005037][  T337]          backup_bytes_used:      163840
[  105.005042][  T337]
[  105.012209][  T337]          backup_num_devices:     1
[  105.012214][  T337]
[  105.018623][  T337]
[  105.018627][  T337]
[  105.023017][  T337]
[  105.023022][  T337]
[  105.027867][  T337] 2022-03-17 03:28:28 sleep 10
[  105.027872][  T337]
[  114.237911][  T337] 2022-03-17 03:28:38 ~~~~~~~~~~~~~~ /dev/sdb2 end ~~~~~~~~~~~~~~
......

[  237.925789][  T337] 2022-03-17 03:30:41 export TEST_DIR=/fs/sdb1
[  237.925803][  T337]
[  237.936048][  T337] 2022-03-17 03:30:41 export TEST_DEV=/dev/sdb1
[  237.936060][  T337]
[  237.945651][  T337] 2022-03-17 03:30:42 export FSTYP=btrfs
[  237.945662][  T337]
[  237.954997][  T337] 2022-03-17 03:30:42 export SCRATCH_MNT=/fs/scratch
[  237.955008][  T337]
[  237.965136][  T337] 2022-03-17 03:30:42 mkdir /fs/scratch -p
[  237.965147][  T337]
[  237.976340][  T337] 2022-03-17 03:30:42 export SCRATCH_DEV_POOL="/dev/sdb2 /dev/sdb3 /dev/sdb4 /dev/sdb5 /dev/sdb6"
[  237.976352][  T337]
[  237.990723][  T337] 2022-03-17 03:30:42 sed "s:^:btrfs/:" //lkp/benchmarks/xfstests/tests/btrfs-group-07
[  237.990730][  T337]
[  238.005026][  T337] 2022-03-17 03:30:42 ./check btrfs/070 btrfs/071 btrfs/072 btrfs/073 btrfs/074 btrfs/075 btrfs/076 btrfs/077 btrfs/078 btrfs/079
[  238.005036][  T337]
[  238.131570][ T1922] BTRFS info (device sdb1): flagging fs with big metadata feature
[  238.139579][ T1922] BTRFS info (device sdb1): using free space tree
[  238.145869][ T1922] BTRFS info (device sdb1): has skinny extents
[  238.394777][  T337] FSTYP         -- btrfs
[  238.394787][  T337]
[  238.407841][  T337] PLATFORM      -- Linux/x86_64 lkp-hsw-d01 5.17.0-rc4-00095-g7f159e82828e #1 SMP Fri Mar 11 09:25:41 CST 2022
[  238.407849][  T337]
[  238.422205][  T337] MKFS_OPTIONS  -- /dev/sdb2
[  238.422213][  T337]
[  238.429812][  T337] MOUNT_OPTIONS -- /dev/sdb2 /fs/scratch
[  238.429820][  T337]
[  238.437551][  T337]
[  238.437556][  T337]
[  238.509573][ T2041] BTRFS: device fsid 00974d0e-c70a-4d86-a40a-ad3675406027 devid 1 transid 5 /dev/sdb2 scanned by mkfs.btrfs (2041)
[  238.543241][ T2052] BTRFS info (device sdb2): flagging fs with big metadata feature
[  238.550999][ T2052] BTRFS info (device sdb2): disk space caching is enabled
[  238.557986][ T2052] BTRFS info (device sdb2): has skinny extents
[  238.565970][ T2052] BTRFS info (device sdb2): leaf 65536 gen 30556160 total ptrs 0 free space 16283 owner 22036480
[  238.576361][ T2052] ------------[ cut here ]------------
[  238.581694][ T2052] kernel BUG at fs/btrfs/volumes.c:7157!
[  238.587222][ T2052] invalid opcode: 0000 [#1] SMP KASAN PTI
[  238.592808][ T2052] CPU: 5 PID: 2052 Comm: mount Not tainted 5.17.0-rc4-00095-g7f159e82828e #1
[  238.601424][ T2052] Hardware name: Dell Inc. OptiPlex 9020/0DNKMN, BIOS A05 12/05/2013
[  238.609347][ T2052] RIP: 0010:read_one_chunk+0xa02/0xc80 [btrfs]
[  238.615411][ T2052] Code: 03 0f b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 14 01 00 00 48 8b 44 24 10 8b 50 1c 85 d2 0f 85 19 fb ff ff <0f> 0b 4c 89 c7 e8 f4 b0 fa ff 31 c0 e9 4d ff ff ff 48 8b 7c 24 78
[  238.634889][ T2052] RSP: 0018:ffffc900033cf6c8 EFLAGS: 00010246
[  238.640817][ T2052] RAX: ffff8881028b2980 RBX: 0000000000000000 RCX: 0000000000000000
[  238.648652][ T2052] RDX: 0000000000000000 RSI: 0000000000000008 RDI: fffff52000679e75
[  238.656487][ T2052] RBP: 000000000000033c R08: 000000000000005e R09: ffffed1034dd6791
[  238.661055][  T339] 512+0 records in
[  238.664320][ T2052] R10: ffff8881a6eb3c87 R11: ffffed1034dd6790 R12: ffff88812830c500
[  238.664322][ T2052] R13: ffff8881028b2998 R14: ffff8881028b299c R15: 0000000000000022
[  238.664323][ T2052] FS:  00007f66fb9b4100(0000) GS:ffff8881a6e80000(0000) knlGS:0000000000000000
[  238.664325][ T2052] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  238.664327][ T2052] CR2: 000055f0bbc19d40 CR3: 0000000209c0a005 CR4: 00000000001706e0
[  238.667935][  T339]
[  238.675758][ T2052] Call Trace:
[  238.675761][ T2052]  <TASK>
[  238.675762][ T2052]  ? _raw_spin_lock+0x81/0x100
[  238.719432][ T2052]  ? _raw_spin_lock_bh+0x100/0x100
[  238.724404][ T2052]  ? __raw_callee_save___native_queued_spin_unlock+0x11/0x1e
[  238.731635][ T2052]  ? add_missing_dev+0x3c0/0x3c0 [btrfs]
[  238.731805][  T339] 512+0 records out
[  238.737188][  T339]
[  238.737177][ T2052]  ? btrfs_get_token_64+0x700/0x700 [btrfs]
[  238.748791][ T2052]  ? memcpy+0x39/0x80
[  238.752632][ T2052]  ? write_extent_buffer+0x192/0x240 [btrfs]
[  238.758510][ T2052]  btrfs_read_sys_array+0x2c7/0x380 [btrfs]
[  238.764301][ T2052]  ? read_one_dev+0x13c0/0x13c0 [btrfs]
[  238.769742][ T2052]  ? mutex_lock+0x80/0x100
[  238.774016][ T2052]  ? __mutex_lock_slowpath+0x40/0x40
[  238.779169][ T2052]  ? btrfs_init_workqueues+0x4c1/0x7ba [btrfs]
[  238.785244][ T2052]  open_ctree+0x16ac/0x2656 [btrfs]
[  238.790345][ T2052]  btrfs_mount_root.cold+0x13/0x192 [btrfs]
[  238.796139][ T2052]  ? arch_stack_walk+0x9e/0x100
[  238.800848][ T2052]  ? parse_rescue_options+0x300/0x300 [btrfs]
[  238.806803][ T2052]  ? vfs_parse_fs_param_source+0x3b/0x1c0
[  238.812382][ T2052]  ? legacy_parse_param+0x6a/0x7c0
[  238.817352][ T2052]  ? parse_rescue_options+0x300/0x300 [btrfs]
[  238.823313][ T2052]  legacy_get_tree+0xef/0x200
[  238.827848][ T2052]  vfs_get_tree+0x84/0x2c0
[  238.832122][ T2052]  fc_mount+0xf/0x80
[  238.835879][ T2052]  vfs_kern_mount+0x71/0xc0
[  238.840852][ T2052]  btrfs_mount+0x1fc/0xa40 [btrfs]
[  238.845864][ T2052]  ? kasan_save_stack+0x1e/0x40
[  238.850573][ T2052]  ? kasan_set_track+0x21/0x40
[  238.855202][ T2052]  ? kasan_set_free_info+0x20/0x40
[  238.860181][ T2052]  ? btrfs_show_options+0xf00/0xf00 [btrfs]
[  238.865988][ T2052]  ? __x64_sys_mount+0x12c/0x1c0
[  238.870784][ T2052]  ? entry_SYSCALL_64_after_hwframe+0x44/0xae
[  238.876709][ T2052]  ? terminate_walk+0x203/0x4c0
[  238.881415][ T2052]  ? vfs_parse_fs_param_source+0x3b/0x1c0
[  238.886993][ T2052]  ? legacy_parse_param+0x6a/0x7c0
[  238.891963][ T2052]  ? vfs_parse_fs_string+0xd7/0x140
[  238.897021][ T2052]  ? btrfs_show_options+0xf00/0xf00 [btrfs]
[  238.902809][ T2052]  ? legacy_get_tree+0xef/0x200
[  238.907519][ T2052]  legacy_get_tree+0xef/0x200
[  238.912051][ T2052]  ? security_capable+0x56/0xc0
[  238.916761][ T2052]  vfs_get_tree+0x84/0x2c0
[  238.921036][ T2052]  ? ns_capable_common+0x57/0x100
[  238.925921][ T2052]  path_mount+0x7fc/0x1a40
[  238.930205][ T2052]  ? kasan_set_track+0x21/0x40
[  238.934838][ T2052]  ? finish_automount+0x600/0x600
[  238.939722][ T2052]  ? kmem_cache_free+0xa1/0x400
[  238.944434][ T2052]  do_mount+0xca/0x100
[  238.948362][ T2052]  ? path_mount+0x1a40/0x1a40
[  238.952900][ T2052]  ? _copy_from_user+0x94/0x100
[  238.957609][ T2052]  ? memdup_user+0x4e/0x80
[  238.961886][ T2052]  __x64_sys_mount+0x12c/0x1c0
[  238.966510][ T2052]  do_syscall_64+0x3b/0xc0
[  238.970791][ T2052]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[  238.976554][ T2052] RIP: 0033:0x7f66fbbb2fea
[  238.980840][ T2052] Code: 48 8b 0d a9 0e 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 76 0e 0c 00 f7 d8 64 89 01 48
[  239.000318][ T2052] RSP: 002b:00007fffa196f178 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.008593][ T2052] RAX: ffffffffffffffda RBX: 0000562feab9a970 RCX: 00007f66fbbb2fea
[  239.016430][ T2052] RDX: 0000562feab9ab80 RSI: 0000562feab9abc0 RDI: 0000562feab9aba0
[  239.024264][ T2052] RBP: 00007f66fbf001c4 R08: 0000000000000000 R09: 0000562feab9d890
[  239.032108][ T2052] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  239.039946][ T2052] R13: 0000000000000000 R14: 0000562feab9aba0 R15: 0000562feab9ab80
[  239.047783][ T2052]  </TASK>
[  239.050664][ T2052] Modules linked in: dm_mod btrfs blake2b_generic xor raid6_pq zstd_compress libcrc32c sd_mod t10_pi sg ipmi_devintf ata_generic ipmi_msghandler intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp i915 kvm_intel kvm intel_gtt ttm drm_kms_helper irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel syscopyarea ghash_clmulni_intel sysfillrect mei_wdt sysimgblt fb_sys_fops ata_piix rapl intel_cstate mei_me drm libata mei intel_uncore video ip_tables
[  239.094228][ T2052] ---[ end trace 0000000000000000 ]---
[  239.099560][ T2052] RIP: 0010:read_one_chunk+0xa02/0xc80 [btrfs]
[  239.105641][ T2052] Code: 03 0f b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 14 01 00 00 48 8b 44 24 10 8b 50 1c 85 d2 0f 85 19 fb ff ff <0f> 0b 4c 89 c7 e8 f4 b0 fa ff 31 c0 e9 4d ff ff ff 48 8b 7c 24 78
[  239.125151][ T2052] RSP: 0018:ffffc900033cf6c8 EFLAGS: 00010246
[  239.131117][ T2052] RAX: ffff8881028b2980 RBX: 0000000000000000 RCX: 0000000000000000
[  239.138981][ T2052] RDX: 0000000000000000 RSI: 0000000000000008 RDI: fffff52000679e75
[  239.146847][ T2052] RBP: 000000000000033c R08: 000000000000005e R09: ffffed1034dd6791
[  239.154710][ T2052] R10: ffff8881a6eb3c87 R11: ffffed1034dd6790 R12: ffff88812830c500
[  239.162579][ T2052] R13: ffff8881028b2998 R14: ffff8881028b299c R15: 0000000000000022
[  239.170443][ T2052] FS:  00007f66fb9b4100(0000) GS:ffff8881a6e80000(0000) knlGS:0000000000000000
[  239.179267][ T2052] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  239.185742][ T2052] CR2: 000055f0bbc19d40 CR3: 0000000209c0a005 CR4: 00000000001706e0
[  239.193607][ T2052] Kernel panic - not syncing: Fatal exception
[  239.199567][ T2052] Kernel Offset: disabled


Thanks,
Qu

[   44.577527][ T1980] ------------[ cut here ]------------
[   44.583552][  T335]
[   44.583990][  T337] 512+0 records out
[   44.583997][  T337]
[   44.593932][ T1980] kernel BUG at fs/btrfs/volumes.c:7157!
[   44.593940][ T1980] invalid opcode: 0000 [#1] SMP KASAN PTI
[   44.598832][  T335]   Data:             single            8.00MiB
[   44.603293][ T1980] CPU: 5 PID: 1980 Comm: mount Not tainted 5.17.0-rc4-00095-g7f159e82828e #1
[   44.603297][ T1980] Hardware name: Dell Inc. OptiPlex 9020/0DNKMN, BIOS A05 12/05/2013
[   44.603299][ T1980] RIP: 0010:read_one_chunk+0xa02/0xc80 [btrfs]
[   44.605509][  T335]
[   44.609168][ T1980] Code: 03 0f b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 14 01 00 00 48 8b 44 24 10 8b 50 1c 85 d2 0f 85 19 fb ff ff <0f> 0b 4c
89 c7 e8 f4 b0 fa ff 31 c0 e9 4d ff ff ff 48 8b 7c 24 78
[   44.609171][ T1980] RSP: 0018:ffffc90002be76c8 EFLAGS: 00010246
[   44.609175][ T1980] RAX: ffff888102c98e00 RBX: 0000000000000000 RCX: 0000000000000000
[   44.609178][ T1980] RDX: 0000000000000000 RSI: 0000000000000008 RDI: fffff5200057ce75
[   44.612227][  T335]   Metadata:         DUP               1.00GiB
[   44.616871][ T1980] RBP: 000000000000033c R08: 000000000000005e R09: ffffed1034dd6791
[   44.616873][ T1980] R10: ffff8881a6eb3c87 R11: ffffed1034dd6790 R12: ffff888214586b40
[   44.616874][ T1980] R13: ffff888102c98e18 R14: ffff888102c98e1c R15: 0000000000000022
[   44.616876][ T1980] FS:  00007fad1bd12100(0000) GS:ffff8881a6e80000(0000) knlGS:0000000000000000
[   44.622475][  T335]
[   44.628578][ T1980] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.628580][ T1980] CR2: 00007fff9d90df68 CR3: 00000001407fc003 CR4: 00000000001706e0
[   44.628583][ T1980] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.628585][ T1980] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.628588][ T1980] Call Trace:
[   44.638095][  T335]   System:           DUP               8.00MiB
[   44.645166][ T1980]  <TASK>
[   44.645168][ T1980]  ? _raw_spin_lock+0x81/0x100
[   44.651206][  T335]
[   44.653388][ T1980]  ? _raw_spin_lock_bh+0x100/0x100
[   44.653395][ T1980]  ? __raw_callee_save___native_queued_spin_unlock+0x11/0x1e
[   44.673370][  T335] SSD detected:       no
[   44.678876][ T1980]  ? add_missing_dev+0x3c0/0x3c0 [btrfs]
[   44.686756][  T335]
[   44.694598][ T1980]  ? btrfs_get_token_64+0x700/0x700 [btrfs]
[   44.701187][  T335] Zoned device:       no
[   44.708574][ T1980]  ? memcpy+0x39/0x80
[   44.708581][ T1980]  ? write_extent_buffer+0x192/0x240 [btrfs]
[   44.716449][  T335]
[   44.724294][ T1980]  btrfs_read_sys_array+0x2c7/0x380 [btrfs]
[   44.734138][  T335] Incompat features:  extref, skinny-metadata, no-holes
[   44.735313][ T1980]  ? read_one_dev+0x13c0/0x13c0 [btrfs]
[   44.741786][  T335]
[   44.749628][ T1980]  ? mutex_lock+0x80/0x100
[   44.749634][ T1980]  ? __mutex_lock_slowpath+0x40/0x40
[   44.758164][  T335] Runtime features:   free-space-tree
[   44.765352][ T1980]  ? btrfs_init_workqueues+0x4c1/0x7ba [btrfs]
[   44.768515][  T335]
[   44.774620][ T1980]  open_ctree+0x16ac/0x2656 [btrfs]
[   44.777966][  T335] Checksum:           crc32c
[   44.782064][ T1980]  btrfs_mount_root.cold+0x13/0x192 [btrfs]
[   44.784268][  T335]
[   44.789241][ T1980]  ? arch_stack_walk+0x9e/0x100
[   44.789247][ T1980]  ? parse_rescue_options+0x300/0x300 [btrfs]
[   44.796977][  T335] Number of devices:  1
[   44.800614][ T1980]  ? vfs_parse_fs_param_source+0x3b/0x1c0
[   44.806131][  T335]
[   44.808314][ T1980]  ? legacy_parse_param+0x6a/0x7c0
[   44.808320][ T1980]  ? parse_rescue_options+0x300/0x300 [btrfs]
[   44.814273][  T335] Devices:
[   44.818205][ T1980]  legacy_get_tree+0xef/0x200
[   44.818210][ T1980]  vfs_get_tree+0x84/0x2c0
[   44.822077][  T335]
[   44.827928][ T1980]  fc_mount+0xf/0x80
[   44.827934][ T1980]  vfs_kern_mount+0x71/0xc0
[   44.830557][  T335]    ID        SIZE  PATH
[   44.835890][ T1980]  btrfs_mount+0x1fc/0xa40 [btrfs]
[   44.842730][  T335]
[   44.848134][ T1980]  ? kasan_save_stack+0x1e/0x40
[   44.848149][ T1980]  ? kasan_set_track+0x21/0x40
[   44.850862][  T335]     1   300.00GiB  /dev/sdb4
[   44.854618][ T1980]  ? kasan_set_free_info+0x20/0x40
[   44.854624][ T1980]  ? btrfs_show_options+0xf00/0xf00 [btrfs]
[   44.859803][  T335]
[   44.865032][ T1980]  ? __x64_sys_mount+0x12c/0x1c0
[   44.865036][ T1980]  ? entry_SYSCALL_64_after_hwframe+0x44/0xae
[   44.871101][  T335]
[   44.873263][ T1980]  ? terminate_walk+0x203/0x4c0
[   44.873268][ T1980]  ? vfs_parse_fs_param_source+0x3b/0x1c0
[   44.878354][  T335]
[   44.882803][ T1980]  ? legacy_parse_param+0x6a/0x7c0
[   44.882808][ T1980]  ? vfs_parse_fs_string+0xd7/0x140
[   44.889280][  T335] 2022-03-14 01:34:21 mkdir -p /fs/sdb1
[   44.890770][ T1980]  ? btrfs_show_options+0xf00/0xf00 [btrfs]
[   44.895501][  T335]
[   44.901430][ T1980]  ? legacy_get_tree+0xef/0x200
[   44.901435][ T1980]  legacy_get_tree+0xef/0x200
[   44.901448][ T1980]  ? security_capable+0x56/0xc0
[   44.905612][  T335]  btrfs
[   44.911057][ T1980]  vfs_get_tree+0x84/0x2c0
[   44.911062][ T1980]  ? ns_capable_common+0x57/0x100
[   44.913278][  T335]
[   44.918247][ T1980]  path_mount+0x7fc/0x1a40
[   44.918252][ T1980]  ? kasan_set_track+0x21/0x40
[   44.925201][  T335] 2022-03-14 01:34:21 mount -t btrfs /dev/sdb1 /fs/sdb1
[   44.927087][ T1980]  ? finish_automount+0x600/0x600
[   44.927092][ T1980]  ? kmem_cache_free+0xa1/0x400
[   44.931642][  T335]
[   44.935926][ T1980]  do_mount+0xca/0x100
[   44.935931][ T1980]  ? path_mount+0x1a40/0x1a40
[   44.935933][ T1980]  ? _copy_from_user+0x94/0x100
[   44.938799][  T335] 2022-03-14 01:34:21 mkdir -p /fs/sdb2
[   44.941885][ T1980]  ? memdup_user+0x4e/0x80
[   44.941890][ T1980]  __x64_sys_mount+0x12c/0x1c0
[   44.941893][ T1980]  do_syscall_64+0x3b/0xc0
[   44.946884][  T335]
[   44.951068][ T1980]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   44.951074][ T1980] RIP: 0033:0x7fad1bf10fea
[   44.951077][ T1980] Code: 48 8b 0d a9 0e 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01
f0 ff ff 73 01 c3 48 8b 0d 76 0e 0c 00 f7 d8 64 89 01 48
[   44.956197][  T335]  btrfs
[   44.958245][ T1980] RSP: 002b:00007fff9d90f878 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[   44.958249][ T1980] RAX: ffffffffffffffda RBX: 00005628efc57970 RCX: 00007fad1bf10fea
[   44.958251][ T1980] RDX: 00005628efc57b80 RSI: 00005628efc57bc0 RDI: 00005628efc57ba0
[   44.958263][ T1980] RBP: 00007fad1c25e1c4 R08: 0000000000000000 R09: 00005628efc5a890
[   44.958264][ T1980] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   44.962993][  T335]
[   44.967613][ T1980] R13: 0000000000000000 R14: 00005628efc57ba0 R15: 00005628efc57b80
[   44.967616][ T1980]  </TASK>
[   44.967617][ T1980] Modules linked in: dm_mod btrfs blake2b_generic xor raid6_pq
[   44.973257][  T335] 2022-03-14 01:34:21 mount -t btrfs /dev/sdb2 /fs/sdb2
[   44.977243][ T1980]  zstd_compress libcrc32c sd_mod t10_pi sg
[   44.983019][  T335]
[   44.985203][ T1980]  ipmi_devintf ata_generic ipmi_msghandler intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel
[   44.990720][  T335] 2022-03-14 01:34:21 mkdir -p /fs/sdb3
[   44.995962][ T1980]  i915 kvm intel_gtt ttm drm_kms_helper irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel syscopyarea sysfillrect
[   44.998174][  T335]
[   45.002882][ T1980]  sysimgblt rapl mei_wdt fb_sys_fops ata_piix intel_cstate libata drm mei_me mei intel_uncore video ip_tables
[   45.002919][ T1980] ---[ end trace 0000000000000000 ]---



Thanks,
Qu



[   75.279958][ T3602] ------------[ cut here ]------------
[   75.285221][ T3602] kernel BUG at fs/btrfs/scrub.c:3387!
[   75.290490][ T3602] invalid opcode: 0000 [#1] SMP KASAN PTI
[   75.296010][ T3602] CPU: 2 PID: 3602 Comm: btrfs Not tainted 5.17.0-rc4-00095-g6b837d4c40d5 #1
[   75.304521][ T3602] Hardware name: Dell Inc. OptiPlex 9020/0DNKMN, BIOS A05 12/05/2013
[   75.312344][ T3602] RIP: 0010:scrub_stripe+0xed3/0x1340 [btrfs]
[   75.318250][ T3602] Code: 90 00 00 00 e8 0e f9 96 c0 e9 98 f3 ff ff e8 c4 f9 96 c0 e9 26 f3 ff ff 48 8b bc 24 80 00 00 00 e8 f2 f8 96 c0 e9 3b f4 ff ff <0f> 0b 0f
0b 4c 8d a4 24 b8 01 00 00 31 f6 4c 8d bd 20 02 00 00 4c
[   75.337480][ T3602] RSP: 0018:ffffc9000b47f550 EFLAGS: 00010246
[   75.343340][ T3602] RAX: 0000000000000007 RBX: ffff88810231d600 RCX: ffff88810231d61c
[   75.351074][ T3602] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8881023a2458
[   75.358807][ T3602] RBP: ffff8881097ad800 R08: 0000000000000001 R09: ffffed102828100d
[   75.366550][ T3602] R10: ffff888141408063 R11: ffffed102828100c R12: 0000000000000000
[   75.374282][ T3602] R13: 0000000000100000 R14: ffff888141408000 R15: ffff888129c9c000
[   75.382016][ T3602] FS:  00007f94c24ec8c0(0000) GS:ffff8881a6d00000(0000) knlGS:0000000000000000
[   75.390691][ T3602] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   75.397054][ T3602] CR2: 00007ffe454aa8e8 CR3: 000000020a796004 CR4: 00000000001706e0
[   75.404785][ T3602] Call Trace:
[   75.407886][ T3602]  <TASK>
[   75.410645][ T3602]  ? btrfs_wait_ordered_extents+0x9a1/0xe40 [btrfs]
[   75.417049][ T3602]  ? scrub_raid56_parity+0x5c0/0x5c0 [btrfs]
[   75.422853][ T3602]  ? btrfs_remove_ordered_extent+0xbc0/0xbc0 [btrfs]
[   75.429341][ T3602]  ? mutex_unlock+0x80/0x100
[   75.433733][ T3602]  ? __wake_up_common_lock+0xe3/0x140
[   75.438897][ T3602]  ? __lookup_extent_mapping+0x215/0x300 [btrfs]
[   75.445037][ T3602]  scrub_chunk+0x294/0x480 [btrfs]
[   75.449984][ T3602]  scrub_enumerate_chunks+0x643/0x1340 [btrfs]
[   75.455962][ T3602]  ? scrub_chunk+0x480/0x480 [btrfs]
[   75.461083][ T3602]  ? __scrub_blocked_if_needed+0xb9/0x200 [btrfs]
[   75.467317][ T3602]  ? scrub_checksum_data+0x4c0/0x4c0 [btrfs]
[   75.473121][ T3602]  ? down_read+0x137/0x240
[   75.477339][ T3602]  ? mutex_unlock+0x80/0x100
[   75.481726][ T3602]  ? __mutex_unlock_slowpath+0x300/0x300
[   75.487743][ T3602]  ? btrfs_find_device+0xac/0x240 [btrfs]
[   75.493285][ T3602]  btrfs_scrub_dev+0x535/0xc00 [btrfs]
[   75.498578][ T3602]  ? scrub_enumerate_chunks+0x1340/0x1340 [btrfs]
[   75.504812][ T3602]  ? btrfs_apply_pending_changes+0x80/0x80 [btrfs]
[   75.511120][ T3602]  ? btrfs_record_root_in_trans+0x4d/0x180 [btrfs]
[   75.517428][ T3602]  ? finish_wait+0x280/0x280
[   75.521819][ T3602]  btrfs_dev_replace_by_ioctl.cold+0x62c/0x720 [btrfs]
[   75.528483][ T3602]  ? btrfs_finish_block_group_to_copy+0x3c0/0x3c0 [btrfs]
[   75.535440][ T3602]  ? __raw_callee_save___native_queued_spin_unlock+0x11/0x1e
[   75.542575][ T3602]  btrfs_ioctl+0x37ee/0x51c0 [btrfs]
[   75.547691][ T3602]  ? fput_many+0xaa/0x140
[   75.551823][ T3602]  ? filp_close+0xef/0x140
[   75.556041][ T3602]  ? __x64_sys_close+0x2d/0x80
[   75.560600][ T3602]  ? do_syscall_64+0x3b/0xc0
[   75.564991][ T3602]  ? entry_SYSCALL_64_after_hwframe+0x44/0xae
[   75.570838][ T3602]  ? btrfs_ioctl_get_supported_features+0x40/0x40 [btrfs]
[   75.577756][ T3602]  ? _raw_spin_lock_irq+0x82/0xd2
[   75.582572][ T3602]  ? _raw_spin_lock+0x100/0x100
[   75.587218][ T3602]  ? fiemap_prep+0x200/0x200
[   75.591607][ T3602]  ? lockref_put_or_lock+0xc4/0x1c0
[   75.596600][ T3602]  ? do_sigaction+0x4b3/0x840
[   75.601075][ T3602]  ? __x64_sys_pidfd_send_signal+0x600/0x600
[   75.606837][ T3602]  ? __might_fault+0x4d/0x80
[   75.611226][ T3602]  ? __x64_sys_rt_sigaction+0x1d0/0x240
[   75.616558][ T3602]  ? __ia32_sys_signal+0x140/0x140
[   75.621461][ T3602]  ? __fget_light+0x57/0x540
[   75.625854][ T3602]  __x64_sys_ioctl+0x127/0x1c0
[   75.630414][ T3602]  do_syscall_64+0x3b/0xc0
[   75.634633][ T3602]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   75.640307][ T3602] RIP: 0033:0x7f94c25df427
[   75.644533][ T3602] Code: 00 00 90 48 8b 05 69 aa 0c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01
f0 ff ff 73 01 c3 48 8b 0d 39 aa 0c 00 f7 d8 64 89 01 48
[   75.663771][ T3602] RSP: 002b:00007ffd06a4acc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   75.671937][ T3602] RAX: ffffffffffffffda RBX: 000055d51e9f72a0 RCX: 00007f94c25df427
[   75.679671][ T3602] RDX: 00007ffd06a4b108 RSI: 00000000ca289435 RDI: 0000000000000004
[   75.687404][ T3602] RBP: 00000000ffffffff R08: 0000000000000000 R09: 000055d51e9fa580
[   75.695137][ T3602] R10: 0000000000000008 R11: 0000000000000246 R12: 00007ffd06a4e97a
[   75.702868][ T3602] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000005
[   75.710600][ T3602]  </TASK>
[   75.713445][ T3602] Modules linked in: dm_mod btrfs blake2b_generic xor raid6_pq zstd_compress libcrc32c sd_mod t10_pi sg ata_generic ipmi_devintf ipmi_msghandler
intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp i915 kvm_intel kvm intel_gtt ttm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel
ghash_clmulni_intel drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops rapl ata_piix mei_wdt intel_cstate drm libata mei_me intel_uncore mei video ip_tables
[   75.756460][ T3602] ---[ end trace 0000000000000000 ]---



Thanks,
Qu

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