[ 8178.403183] run fstests generic/416 at 2020-12-02 23:06:08
[ 8178.616016] BTRFS info (device dm-0): using free space tree
[ 8178.616373] BTRFS info (device dm-0): has skinny extents
[ 8178.769457] BTRFS: device fsid 27ee820e-5025-4d81-966c-754afaff2deb devid 1 transid 5 /dev/mapper/vg0-lv7 scanned by mkfs.btrfs (1917201)
[ 8178.785239] BTRFS info (device dm-7): enabling free space tree
[ 8178.785590] BTRFS info (device dm-7): using free space tree
[ 8178.785915] BTRFS info (device dm-7): has skinny extents
[ 8178.788236] BTRFS info (device dm-7): creating free space tree
[ 8178.788629] BTRFS info (device dm-7): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[ 8178.789134] BTRFS info (device dm-7): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[ 8178.799413] BTRFS info (device dm-7): cleaning free space cache v1
[ 8178.812194] BTRFS info (device dm-7): checking UUID tree
[ 8239.906796] ------------[ cut here ]------------
[ 8239.907122] BTRFS: Transaction aborted (error -28)
[ 8239.907471] WARNING: CPU: 1 PID: 1861545 at fs/btrfs/free-space-tree.c:845 remove_from_free_space_tree+0xe5/0x110
[ 8239.908122] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey loop 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 rfkill ip_set nf_tables nfnetlink xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support intel_rapl_common joydev virtio_balloon snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep snd_hda_core snd_pcm snd_timer i2c_i801 snd i2c_smbus soundcore lpc_ich zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw qxl drm_ttm_helper ttm virtio_blk drm_kms_helper cec drm qemu_fw_cfg
[ 8239.912202] CPU: 1 PID: 1861545 Comm: kworker/u4:2 Not tainted 5.10.0-rc6+ #65
[ 8239.912688] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 8239.913254] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[ 8239.913705] RIP: 0010:remove_from_free_space_tree+0xe5/0x110
[ 8239.914073] Code: 8b 45 50 f0 48 0f ba a8 d0 19 00 00 02 72 1d 41 83 fc fb 74 33 41 83 fc e2 74 2d 44 89 e6 48 c7 c7 e8 fd 60 96 e8 69 b4 6c 00 <0f> 0b 44 89 e1 ba 4d 03 00 00 48 c7 c6 70 95 27 96 48 89 ef e8 90
[ 8239.915273] RSP: 0018:ffffab2682e97c58 EFLAGS: 00010292
[ 8239.915629] RAX: 0000000000000026 RBX: 0000000000001000 RCX: 0000000000000000
[ 8239.916089] RDX: ffff89f5fbd278a0 RSI: ffff89f5fbd19110 RDI: ffff89f5fbd19110
[ 8239.916554] RBP: ffff89f594721068 R08: 0000000000000000 R09: 0000000000000000
[ 8239.917010] R10: ffffab2682e97a88 R11: ffffffff96945630 R12: 00000000ffffffe4
[ 8239.917477] R13: ffff89f5f093a700 R14: ffff89f58dba4c00 R15: ffff89f58dba4e80
[ 8239.917935] FS: 0000000000000000(0000) GS:ffff89f5fbd00000(0000) knlGS:0000000000000000
[ 8239.918466] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8239.918857] CR2: 00007fac30221429 CR3: 000000017761c001 CR4: 0000000000370ee0
[ 8239.919319] Call Trace:
[ 8239.919510] __btrfs_run_delayed_refs+0x9c3/0x11f0
[ 8239.919872] btrfs_run_delayed_refs+0x86/0x220
[ 8239.920167] flush_space+0x45f/0x620
[ 8239.920413] ? lock_release+0x1c3/0x290
[ 8239.920735] btrfs_async_reclaim_metadata_space+0xac/0x1a0
[ 8239.921098] process_one_work+0x238/0x540
[ 8239.921370] worker_thread+0x55/0x3c0
[ 8239.921624] ? process_one_work+0x540/0x540
[ 8239.921951] kthread+0x137/0x150
[ 8239.922235] ? __kthread_bind_mask+0x60/0x60
[ 8239.922558] ret_from_fork+0x1f/0x30
[ 8239.922795] irq event stamp: 0
[ 8239.922999] hardirqs last enabled at (0): [<0000000000000000>] 0x0
[ 8239.923418] hardirqs last disabled at (0): [] copy_process+0x6f0/0x1c80
[ 8239.923938] softirqs last enabled at (0): [] copy_process+0x6f0/0x1c80
[ 8239.924472] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 8239.924874] ---[ end trace 11588c44c237a49a ]---
[ 8239.925179] BTRFS: error (device dm-7) in remove_from_free_space_tree:845: errno=-28 No space left
[ 8239.925757] BTRFS info (device dm-7): forced readonly
[ 8239.926158] BTRFS: error (device dm-7) in btrfs_run_delayed_refs:2169: errno=-28 No space left
[ 8240.558624] BTRFS info (device dm-7): using free space tree
[ 8240.559006] BTRFS info (device dm-7): has skinny extents