[ 1319.089014] run fstests btrfs/011 at 2020-12-23 21:12:31
[ 1320.432288] BTRFS: device fsid ed95ba47-5368-4baf-a05c-8b1c05d945f8 devid 1 transid 5 /dev/mapper/vg0-lv9 scanned by mkfs.btrfs (186562)
[ 1320.448865] BTRFS info (device dm-9): disk space caching is enabled
[ 1320.448869] BTRFS info (device dm-9): has skinny extents
[ 1320.448871] BTRFS info (device dm-9): flagging fs with big metadata feature
[ 1320.453388] BTRFS info (device dm-9): checking UUID tree
[ 1341.040019] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv8 started
[ 1352.180106] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv8 finished
[ 1355.568551] BTRFS info (device dm-9): scrub: started on devid 1
[ 1356.238518] BTRFS info (device dm-9): scrub: finished on devid 1 with status: 0
[ 1357.251834] BTRFS info (device dm-8): disk space caching is enabled
[ 1357.251839] BTRFS info (device dm-8): has skinny extents
[ 1358.086072] BTRFS: device fsid a1cc4094-4a11-4316-bb0f-091043eadd4c devid 1 transid 5 /dev/mapper/vg0-lv9 scanned by mkfs.btrfs (192772)
[ 1358.104168] BTRFS info (device dm-9): disk space caching is enabled
[ 1358.104171] BTRFS info (device dm-9): has skinny extents
[ 1358.107109] BTRFS info (device dm-9): checking UUID tree
[ 1379.910375] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv8 started
[ 1392.823587] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv8 finished
[ 1396.540573] BTRFS info (device dm-9): scrub: started on devid 1
[ 1397.411646] BTRFS info (device dm-9): scrub: finished on devid 1 with status: 0
[ 1398.330206] BTRFS info (device dm-8): disk space caching is enabled
[ 1398.330210] BTRFS info (device dm-8): has skinny extents
[ 1398.980364] BTRFS: device fsid 9a087d30-1198-467e-9c87-cab6ece6549e devid 1 transid 5 /dev/mapper/vg0-lv9 scanned by mkfs.btrfs (198979)
[ 1398.997692] BTRFS info (device dm-9): disk space caching is enabled
[ 1398.997696] BTRFS info (device dm-9): has skinny extents
[ 1398.997698] BTRFS info (device dm-9): flagging fs with big metadata feature
[ 1399.019433] BTRFS info (device dm-9): checking UUID tree
[ 1418.569590] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv8 started
[ 1434.304833] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv8 finished
[ 1438.634332] BTRFS info (device dm-9): scrub: started on devid 1
[ 1439.378031] BTRFS info (device dm-9): scrub: finished on devid 1 with status: 0
[ 1440.079516] BTRFS info (device dm-8): disk space caching is enabled
[ 1440.079519] BTRFS info (device dm-8): has skinny extents
[ 1441.632032] BTRFS: device fsid 30479b63-133a-4f05-896c-cf7e7fd2bea8 devid 1 transid 5 /dev/mapper/vg0-lv9 scanned by mkfs.btrfs (205183)
[ 1441.650479] BTRFS info (device dm-9): disk space caching is enabled
[ 1441.650482] BTRFS info (device dm-9): has skinny extents
[ 1441.650484] BTRFS info (device dm-9): flagging fs with big metadata feature
[ 1441.656546] BTRFS info (device dm-9): checking UUID tree
[ 1474.364136] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv8 started
[ 1475.295570] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv8 canceled
[ 1490.083294] BTRFS info (device dm-9): scrub: started on devid 1
[ 1490.812071] BTRFS info (device dm-9): scrub: finished on devid 1 with status: 0
[ 1491.471837] BTRFS info (device dm-9): disk space caching is enabled
[ 1491.471841] BTRFS info (device dm-9): has skinny extents
[ 1492.426303] BTRFS: device fsid 3b132fc5-493f-4674-b13a-628df05e164c devid 1 transid 5 /dev/mapper/vg0-lv9 scanned by mkfs.btrfs (212350)
[ 1492.446513] BTRFS info (device dm-9): disk space caching is enabled
[ 1492.446516] BTRFS info (device dm-9): has skinny extents
[ 1492.452967] BTRFS info (device dm-9): checking UUID tree
[ 1531.584831] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv8 started
[ 1584.429778] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv8 finished
[ 1594.737010] BTRFS info (device dm-9): scrub: started on devid 1
[ 1596.805377] BTRFS info (device dm-9): scrub: finished on devid 1 with status: 0
[ 1598.031499] BTRFS info (device dm-8): disk space caching is enabled
[ 1598.031502] BTRFS info (device dm-8): has skinny extents
[ 1600.514517] BTRFS: device fsid 9856b089-1f36-40fd-a0af-ebc7acb3f3f6 devid 1 transid 5 /dev/dm-9 scanned by systemd-udevd (218536)
[ 1600.525791] BTRFS: device fsid 9856b089-1f36-40fd-a0af-ebc7acb3f3f6 devid 2 transid 5 /dev/mapper/vg0-lv8 scanned by mkfs.btrfs (218555)
[ 1600.551069] BTRFS info (device dm-9): disk space caching is enabled
[ 1600.551074] BTRFS info (device dm-9): has skinny extents
[ 1600.551077] BTRFS info (device dm-9): flagging fs with big metadata feature
[ 1600.569652] BTRFS info (device dm-9): checking UUID tree
[ 1600.591998] BTRFS info (device dm-9): devid 1 device path /dev/mapper/vg0-lv9 changed to /dev/dm-9 scanned by systemd-udevd (218542)
[ 1600.594249] BTRFS info (device dm-9): devid 1 device path /dev/dm-9 changed to /dev/mapper/vg0-lv9 scanned by systemd-udevd (218542)
[ 1631.532870] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv7 started
[ 1636.408481] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv7 finished
[ 1637.527726] BTRFS info (device dm-9): scrub: started on devid 1
[ 1637.528545] BTRFS info (device dm-9): scrub: started on devid 2
[ 1638.128518] BTRFS info (device dm-9): scrub: finished on devid 2 with status: 0
[ 1638.157856] BTRFS info (device dm-9): scrub: finished on devid 1 with status: 0
[ 1638.969242] BTRFS info (device dm-7): disk space caching is enabled
[ 1638.969245] BTRFS info (device dm-7): has skinny extents
[ 1641.589857] BTRFS: device fsid c1f39ae8-e047-4671-ac3a-35dc016f04d3 devid 1 transid 5 /dev/dm-9 scanned by systemd-udevd (224766)
[ 1641.712522] BTRFS: device fsid c1f39ae8-e047-4671-ac3a-35dc016f04d3 devid 2 transid 5 /dev/mapper/vg0-lv8 scanned by mkfs.btrfs (224764)
[ 1641.732063] BTRFS info (device dm-9): disk space caching is enabled
[ 1641.732067] BTRFS info (device dm-9): has skinny extents
[ 1641.732068] BTRFS info (device dm-9): flagging fs with big metadata feature
[ 1641.735300] BTRFS info (device dm-9): checking UUID tree
[ 1641.764800] BTRFS info (device dm-9): devid 1 device path /dev/mapper/vg0-lv9 changed to /dev/dm-9 scanned by systemd-udevd (224751)
[ 1641.765882] BTRFS info (device dm-9): devid 1 device path /dev/dm-9 changed to /dev/mapper/vg0-lv9 scanned by systemd-udevd (224751)
[ 1691.235227] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv7 started

[ 1785.243314] ======================================================
[ 1785.243677] WARNING: possible circular locking dependency detected
[ 1785.244031] 5.10.0-rc7+ #86 Not tainted
[ 1785.244253] ------------------------------------------------------
[ 1785.244611] kswapd0/101 is trying to acquire lock:
[ 1785.244887] ffff9b95d3c015e8 (&xfs_dir_ilock_class){++++}-{3:3}, at: xfs_reclaim_inodes_ag+0x2ea/0x540 [xfs]
[ 1785.245630] 
               but task is already holding lock:
[ 1785.245965] ffffffff86a675e0 (fs_reclaim){+.+.}-{0:0}, at: __fs_reclaim_acquire+0x5/0x30
[ 1785.246430] 
               which lock already depends on the new lock.

[ 1785.246900] 
               the existing dependency chain (in reverse order) is:
[ 1785.247326] 
               -> #1 (fs_reclaim){+.+.}-{0:0}:
[ 1785.247659]        fs_reclaim_acquire+0x65/0x80
[ 1785.247923]        __alloc_pages_nodemask+0xcb/0x3d0
[ 1785.248210]        allocate_slab+0x323/0x4e0
[ 1785.248459]        ___slab_alloc+0x42f/0x6d0
[ 1785.248710]        __slab_alloc+0x75/0x80
[ 1785.248945]        __kmalloc+0x2c7/0x300
[ 1785.249215]        kmem_alloc+0x8e/0x190 [xfs]
[ 1785.249508]        kmem_alloc_large+0x39/0xf0 [xfs]
[ 1785.249821]        xfs_attr_copy_value+0x77/0xa0 [xfs]
[ 1785.250142]        xfs_attr_get+0x9d/0xc0 [xfs]
[ 1785.250443]        xfs_get_acl+0xa6/0x1c0 [xfs]
[ 1785.250713]        get_acl.part.0+0x56/0x110
[ 1785.250963]        posix_acl_xattr_get+0x66/0x110
[ 1785.251235]        vfs_getxattr+0x148/0x170
[ 1785.251479]        getxattr+0xa7/0x240
[ 1785.251702]        path_getxattr+0x52/0x80
[ 1785.251941]        do_syscall_64+0x33/0x40
[ 1785.252180]        entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 1785.252502] 
               -> #0 (&xfs_dir_ilock_class){++++}-{3:3}:
[ 1785.252882]        __lock_acquire+0x1120/0x1e10
[ 1785.253144]        lock_acquire+0x116/0x370
[ 1785.253390]        down_write_nested+0x43/0x80
[ 1785.253683]        xfs_reclaim_inodes_ag+0x2ea/0x540 [xfs]
[ 1785.254032]        xfs_reclaim_inodes_nr+0x2f/0x40 [xfs]
[ 1785.254341]        super_cache_scan+0x190/0x1e0
[ 1785.254609]        do_shrink_slab+0x16e/0x350
[ 1785.254862]        shrink_slab+0x17c/0x290
[ 1785.255099]        shrink_node+0x2d5/0x700
[ 1785.255338]        balance_pgdat+0x30a/0x670
[ 1785.255590]        kswapd+0x211/0x480
[ 1785.255803]        kthread+0x137/0x150
[ 1785.256025]        ret_from_fork+0x1f/0x30
[ 1785.256262] 
               other info that might help us debug this:

[ 1785.256722]  Possible unsafe locking scenario:

[ 1785.257061]        CPU0                    CPU1
[ 1785.257322]        ----                    ----
[ 1785.257589]   lock(fs_reclaim);
[ 1785.257775]                                lock(&xfs_dir_ilock_class);
[ 1785.258149]                                lock(fs_reclaim);
[ 1785.258476]   lock(&xfs_dir_ilock_class);
[ 1785.258712] 
                *** DEADLOCK ***

[ 1785.259052] 3 locks held by kswapd0/101:
[ 1785.259280]  #0: ffffffff86a675e0 (fs_reclaim){+.+.}-{0:0}, at: __fs_reclaim_acquire+0x5/0x30
[ 1785.259771]  #1: ffffffff86a59090 (shrinker_rwsem){++++}-{3:3}, at: shrink_slab+0x115/0x290
[ 1785.260250]  #2: ffff9b95d5c2d0e0 (&type->s_umount_key#41){++++}-{3:3}, at: super_cache_scan+0x38/0x1e0
[ 1785.260790] 
               stack backtrace:
[ 1785.261048] CPU: 1 PID: 101 Comm: kswapd0 Not tainted 5.10.0-rc7+ #86
[ 1785.261417] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 1785.261907] Call Trace:
[ 1785.262057]  dump_stack+0x8b/0xb0
[ 1785.262254]  check_noncircular+0xcf/0xf0
[ 1785.262485]  ? save_trace+0x3f/0x2f0
[ 1785.262698]  ? add_lock_to_list.constprop.0+0x94/0xf0
[ 1785.262992]  __lock_acquire+0x1120/0x1e10
[ 1785.263227]  lock_acquire+0x116/0x370
[ 1785.263477]  ? xfs_reclaim_inodes_ag+0x2ea/0x540 [xfs]
[ 1785.263781]  down_write_nested+0x43/0x80
[ 1785.264041]  ? xfs_reclaim_inodes_ag+0x2ea/0x540 [xfs]
[ 1785.264371]  xfs_reclaim_inodes_ag+0x2ea/0x540 [xfs]
[ 1785.264667]  ? lock_acquire+0x116/0x370
[ 1785.264926]  ? xfs_ail_push_all+0x19/0x70 [xfs]
[ 1785.265192]  ? find_held_lock+0x2b/0x80
[ 1785.265447]  ? xfs_reclaim_inodes_nr+0x22/0x40 [xfs]
[ 1785.265775]  xfs_reclaim_inodes_nr+0x2f/0x40 [xfs]
[ 1785.266056]  super_cache_scan+0x190/0x1e0
[ 1785.266292]  do_shrink_slab+0x16e/0x350
[ 1785.266517]  shrink_slab+0x17c/0x290
[ 1785.266732]  shrink_node+0x2d5/0x700
[ 1785.266942]  balance_pgdat+0x30a/0x670
[ 1785.267166]  kswapd+0x211/0x480
[ 1785.267352]  ? add_wait_queue_exclusive+0x70/0x70
[ 1785.267628]  ? balance_pgdat+0x670/0x670
[ 1785.267859]  kthread+0x137/0x150
[ 1785.268049]  ? __kthread_bind_mask+0x60/0x60
[ 1785.268299]  ret_from_fork+0x1f/0x30
[ 2007.688143] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv7 finished
[ 2017.973524] BTRFS info (device dm-9): scrub: started on devid 1
[ 2017.973527] BTRFS info (device dm-9): scrub: started on devid 2
[ 2092.661565] BTRFS info (device dm-9): scrub: finished on devid 2 with status: 0
[ 2169.989315] BTRFS info (device dm-9): scrub: finished on devid 1 with status: 0
[ 2172.916600] BTRFS info (device dm-7): disk space caching is enabled
[ 2172.916994] BTRFS info (device dm-7): has skinny extents
[ 2173.485559] BTRFS info (device dm-7): dev_replace from /dev/mapper/vg0-lv7 (devid 1) to /dev/mapper/vg0-lv9 started
[ 2215.020132] BTRFS info (device dm-7): dev_replace from /dev/mapper/vg0-lv7 (devid 1) to /dev/mapper/vg0-lv9 finished
[ 2233.166413] BTRFS info (device dm-7): scrub: started on devid 1
[ 2233.166449] BTRFS info (device dm-7): scrub: started on devid 2
[ 2234.004567] BTRFS info (device dm-7): scrub: finished on devid 2 with status: 0
[ 2237.786013] BTRFS info (device dm-7): scrub: finished on devid 1 with status: 0
[ 2238.634504] BTRFS info (device dm-9): disk space caching is enabled
[ 2238.634877] BTRFS info (device dm-9): has skinny extents
[ 2239.822036] BTRFS: device fsid c8320aff-39ad-4343-a666-6364544795c6 devid 1 transid 5 /dev/dm-9 scanned by systemd-udevd (233020)
[ 2239.823625] BTRFS: device fsid c8320aff-39ad-4343-a666-6364544795c6 devid 2 transid 5 /dev/mapper/vg0-lv8 scanned by mkfs.btrfs (233067)
[ 2239.833018] BTRFS info: devid 2 device path /dev/dm-8 changed to /dev/mapper/vg0-lv8 scanned by systemd-udevd (233068)
[ 2239.833302] BTRFS info (device dm-9): disk space caching is enabled
[ 2239.834007] BTRFS info (device dm-9): has skinny extents
[ 2239.834348] BTRFS info (device dm-9): flagging fs with big metadata feature
[ 2239.836154] BTRFS info (device dm-9): checking UUID tree
[ 2239.853051] BTRFS info (device dm-9): devid 1 device path /dev/mapper/vg0-lv9 changed to /dev/dm-9 scanned by systemd-udevd (233020)
[ 2239.854300] BTRFS info (device dm-9): devid 1 device path /dev/dm-9 changed to /dev/mapper/vg0-lv9 scanned by systemd-udevd (233020)
[ 2302.100065] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv7 started
[ 2542.955731] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv7 finished
[ 2618.237497] BTRFS info (device dm-9): scrub: started on devid 1
[ 2618.237522] BTRFS info (device dm-9): scrub: started on devid 2
[ 2781.016102] BTRFS info (device dm-9): scrub: finished on devid 1 with status: 0
[ 2806.801261] BTRFS info (device dm-9): scrub: finished on devid 2 with status: 0
[ 2809.058138] BTRFS info (device dm-7): disk space caching is enabled
[ 2809.058522] BTRFS info (device dm-7): has skinny extents
[ 2809.541124] BTRFS info (device dm-7): dev_replace from /dev/mapper/vg0-lv7 (devid 1) to /dev/mapper/vg0-lv9 started
[ 2999.390218] BTRFS info (device dm-7): dev_replace from /dev/mapper/vg0-lv7 (devid 1) to /dev/mapper/vg0-lv9 finished
[ 3049.636265] BTRFS info (device dm-7): scrub: started on devid 1
[ 3049.636282] BTRFS info (device dm-7): scrub: started on devid 2
[ 3262.247985] BTRFS info (device dm-7): scrub: finished on devid 1 with status: 0
[ 3263.528844] BTRFS info (device dm-7): scrub: finished on devid 2 with status: 0
[ 3264.196752] BTRFS info (device dm-9): disk space caching is enabled
[ 3264.197132] BTRFS info (device dm-9): has skinny extents
[ 3264.571248] BTRFS: device fsid e61eb925-529b-4516-ae59-0fe3bd3b1e9c devid 1 transid 5 /dev/dm-9 scanned by systemd-udevd (239377)
[ 3264.575238] BTRFS: device fsid e61eb925-529b-4516-ae59-0fe3bd3b1e9c devid 2 transid 5 /dev/mapper/vg0-lv8 scanned by mkfs.btrfs (239395)
[ 3264.576224] BTRFS: device fsid e61eb925-529b-4516-ae59-0fe3bd3b1e9c devid 3 transid 5 /dev/mapper/vg0-lv7 scanned by mkfs.btrfs (239395)
[ 3264.586281] BTRFS info: devid 2 device path /dev/mapper/vg0-lv8 changed to /dev/dm-8 scanned by systemd-udevd (239380)
[ 3264.586572] BTRFS info (device dm-9): disk space caching is enabled
[ 3264.587331] BTRFS info (device dm-9): has skinny extents
[ 3264.587720] BTRFS info (device dm-9): flagging fs with big metadata feature
[ 3264.587933] BTRFS info: devid 2 device path /dev/dm-8 changed to /dev/mapper/vg0-lv8 scanned by systemd-udevd (239380)
[ 3264.598597] BTRFS info (device dm-9): checking UUID tree
[ 3264.611080] BTRFS info (device dm-9): devid 1 device path /dev/mapper/vg0-lv9 changed to /dev/dm-9 scanned by systemd-udevd (239398)
[ 3264.612350] BTRFS info (device dm-9): devid 1 device path /dev/dm-9 changed to /dev/mapper/vg0-lv9 scanned by systemd-udevd (239398)
[ 3264.628183] BTRFS info (device dm-9): devid 1 device path /dev/mapper/vg0-lv9 changed to /dev/dm-9 scanned by systemd-udevd (239377)
[ 3264.629395] BTRFS info (device dm-9): devid 1 device path /dev/dm-9 changed to /dev/mapper/vg0-lv9 scanned by systemd-udevd (239377)
[ 3306.253825] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv6 started
[ 3347.447745] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv6 finished
[ 3360.685688] BTRFS info (device dm-9): scrub: started on devid 1
[ 3360.685729] BTRFS info (device dm-9): scrub: started on devid 3
[ 3360.686561] BTRFS info (device dm-9): scrub: started on devid 2
[ 3369.976089] BTRFS info (device dm-9): scrub: finished on devid 3 with status: 0
[ 3370.698782] BTRFS info (device dm-9): scrub: finished on devid 1 with status: 0
[ 3370.824945] BTRFS info (device dm-9): scrub: finished on devid 2 with status: 0
[ 3371.210725] BTRFS info (device dm-6): disk space caching is enabled
[ 3371.211118] BTRFS info (device dm-6): has skinny extents
[ 3371.330072] BTRFS info (device dm-6): dev_replace from /dev/mapper/vg0-lv6 (devid 1) to /dev/mapper/vg0-lv9 started
[ 3397.618244] BTRFS info (device dm-6): dev_replace from /dev/mapper/vg0-lv6 (devid 1) to /dev/mapper/vg0-lv9 finished
[ 3407.838601] BTRFS info (device dm-6): scrub: started on devid 1
[ 3407.838842] BTRFS info (device dm-6): scrub: started on devid 3
[ 3407.844079] BTRFS info (device dm-6): scrub: started on devid 2
[ 3414.440837] BTRFS info (device dm-6): scrub: finished on devid 1 with status: 0
[ 3414.531336] BTRFS info (device dm-6): scrub: finished on devid 2 with status: 0
[ 3414.582082] BTRFS info (device dm-6): scrub: finished on devid 3 with status: 0
[ 3414.884739] BTRFS info (device dm-9): disk space caching is enabled
[ 3414.885123] BTRFS info (device dm-9): has skinny extents
[ 3415.501358] BTRFS: device fsid e4ed43ba-6696-41ea-a6f9-18fcfd7e7557 devid 1 transid 5 /dev/dm-9 scanned by systemd-udevd (245677)
[ 3415.512695] BTRFS: device fsid e4ed43ba-6696-41ea-a6f9-18fcfd7e7557 devid 2 transid 5 /dev/dm-8 scanned by systemd-udevd (245677)
[ 3415.523337] BTRFS: device fsid e4ed43ba-6696-41ea-a6f9-18fcfd7e7557 devid 3 transid 5 /dev/dm-7 scanned by systemd-udevd (245677)
[ 3415.528127] BTRFS: device fsid e4ed43ba-6696-41ea-a6f9-18fcfd7e7557 devid 4 transid 5 /dev/mapper/vg0-lv6 scanned by mkfs.btrfs (245692)
[ 3415.537036] BTRFS info (device dm-9): disk space caching is enabled
[ 3415.537435] BTRFS info (device dm-9): has skinny extents
[ 3415.537740] BTRFS info (device dm-9): flagging fs with big metadata feature
[ 3415.551448] BTRFS info: devid 3 device path /dev/mapper/vg0-lv7 changed to /dev/dm-7 scanned by systemd-udevd (245677)
[ 3415.552953] BTRFS info: devid 2 device path /dev/mapper/vg0-lv8 changed to /dev/dm-8 scanned by systemd-udevd (245639)
[ 3415.553553] BTRFS info: devid 3 device path /dev/dm-7 changed to /dev/mapper/vg0-lv7 scanned by systemd-udevd (245677)
[ 3415.554196] BTRFS info: devid 2 device path /dev/dm-8 changed to /dev/mapper/vg0-lv8 scanned by systemd-udevd (245639)
[ 3415.557991] BTRFS info (device dm-9): devid 1 device path /dev/mapper/vg0-lv9 changed to /dev/dm-9 scanned by systemd-udevd (245683)
[ 3415.559357] BTRFS info (device dm-9): devid 1 device path /dev/dm-9 changed to /dev/mapper/vg0-lv9 scanned by systemd-udevd (245683)
[ 3415.563464] BTRFS info (device dm-9): checking UUID tree
[ 3448.209799] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv5 started
[ 3454.531099] BTRFS info (device dm-9): dev_replace from /dev/mapper/vg0-lv9 (devid 1) to /dev/mapper/vg0-lv5 finished
[ 3456.965796] BTRFS info (device dm-9): scrub: started on devid 1
[ 3456.965884] BTRFS info (device dm-9): scrub: started on devid 3
[ 3456.966772] BTRFS info (device dm-9): scrub: started on devid 4
[ 3456.967297] BTRFS info (device dm-9): scrub: started on devid 2
[ 3457.975218] BTRFS info (device dm-9): scrub: finished on devid 2 with status: 0
[ 3458.146600] BTRFS info (device dm-9): scrub: finished on devid 4 with status: 0
[ 3458.229552] BTRFS info (device dm-9): scrub: finished on devid 3 with status: 0
[ 3458.239096] BTRFS info (device dm-9): scrub: finished on devid 1 with status: 0
[ 3458.455120] BTRFS info (device dm-5): disk space caching is enabled
[ 3458.455503] BTRFS info (device dm-5): has skinny extents
[ 3458.545628] BTRFS info (device dm-5): dev_replace from /dev/mapper/vg0-lv5 (devid 1) to /dev/mapper/vg0-lv9 started
[ 3466.208825] BTRFS info (device dm-5): dev_replace from /dev/mapper/vg0-lv5 (devid 1) to /dev/mapper/vg0-lv9 finished
[ 3468.849303] BTRFS info (device dm-5): scrub: started on devid 1
[ 3468.849329] BTRFS info (device dm-5): scrub: started on devid 3
[ 3468.850379] BTRFS info (device dm-5): scrub: started on devid 2
[ 3468.850399] BTRFS info (device dm-5): scrub: started on devid 4
[ 3470.067179] BTRFS info (device dm-5): scrub: finished on devid 2 with status: 0
[ 3470.129524] BTRFS info (device dm-5): scrub: finished on devid 1 with status: 0
[ 3470.235329] BTRFS info (device dm-5): scrub: finished on devid 4 with status: 0
[ 3470.276367] BTRFS info (device dm-5): scrub: finished on devid 3 with status: 0
[ 3470.486342] BTRFS info (device dm-9): disk space caching is enabled
[ 3470.486737] BTRFS info (device dm-9): has skinny extents