Hi,
Kernel 4.19.59.
% btrfs fi us /backups/
Overall:
Device size: 4.00TiB
Device allocated: 3.44TiB
* Device unallocated: 572.95GiB*
Device missing: 0.00B
Used: 3.43TiB
* Free (estimated): 576.36GiB (min: 576.36GiB)*
Data ratio: 1.00
Metadata ratio: 1.00
Global reserve: 512.00MiB (used: 0.00B)
Data,single: Size:3.30TiB, Used:3.29TiB
/dev/xvdg 3.30TiB
Metadata,single: Size:148.01GiB, Used:141.79GiB
/dev/xvdg 148.01GiB
System,single: Size:32.00MiB, Used:384.00KiB
/dev/xvdg 32.00MiB
Unallocated:
/dev/xvdg 572.95GiB
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: CPU: 0 PID: 1013 at fs/btrfs/extent-tree.c:6803
__btrfs_free_extent.isra.70+0x23d/0xb70
Modules linked in: dm_mod dax ipt_REJECT nf_reject_ipv4 ipt_MASQUERADE
iptable_nat nf_nat_ipv4 nf_nat_ftp nf_conntrack_ftp nf_nat nf_conntrack
nf_defrag_ipv6 nf_defrag_ipv4 nfsv3 xt_multiport iptable_filter
ip_tables x_tables autofs4 nfsd auth_rpcgss nfs_acl nfs lockd grace
fscache sunrpc intel_rapl crct10dif_pclmul crc32_pclmul crc32c_intel
ghash_clmulni_intel pcbc evdev snd_pcsp snd_pcm aesni_intel aes_x86_64
snd_timer crypto_simd snd cryptd soundcore glue_helper xen_netfront
xen_blkfront
CPU: 0 PID: 1013 Comm: btrfs-transacti Tainted: G W 4.19.59-dg1 #1
RIP: e030:__btrfs_free_extent.isra.70+0x23d/0xb70
Code: 24 48 8b 40 50 f0 48 0f ba a8 08 17 00 00 02 72 1b 41 83 fd fb 0f
84 7c 03 00 00 44 89 ee 48 c7 c7 e0 91 d9 81 e8 23 e3 d3 ff <0f> 0b 48
8b 3c 24 44 89 e9 ba 93 1a 00 00 48 c7 c6 c0 16 c3 81 e8
RSP: e02b:ffffc9004333bc80 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 000002f601a84000 RCX: 0000000000000006
RDX: 0000000000000007 RSI: 0000000000000001 RDI: ffff88839a8165d0
RBP: 0000000000000000 R08: 0000000000000001 R09: 00000000000008e4
R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880744b7690
R13: 00000000ffffffe4 R14: 0000000000000000 R15: 0000000000000002
FS: 0000000000000000(0000) GS:ffff88839a800000(0000) knlGS:0000000000000000
CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f34c6100330 CR3: 0000000317972000 CR4: 0000000000000660
Call Trace:
? btrfs_merge_delayed_refs+0xa7/0x360
__btrfs_run_delayed_refs+0x81d/0x11b0
? __btrfs_run_delayed_items+0x5b1/0x650
btrfs_run_delayed_refs+0xed/0x1b0
btrfs_commit_transaction+0x2e7/0x840
? wait_woken+0x80/0x80
transaction_kthread+0x157/0x180
kthread+0xf8/0x130
? btrfs_cleanup_transaction+0x580/0x580
? kthread_create_worker_on_cpu+0x70/0x70
ret_from_fork+0x35/0x40
---[ end trace 1924458bab785ce7 ]---
BTRFS: error (device xvdg) in __btrfs_free_extent:6803: errno=-28 No
space left
BTRFS info (device xvdg): forced readonly
BTRFS: error (device xvdg) in btrfs_run_delayed_refs:2935: errno=-28 No
space left
BTRFS warning (device xvdg): Skipping commit of aborted transaction.
BTRFS: error (device xvdg) in cleanup_transaction:1846: errno=-28 No
space left
BTRFS error (device xvdg): parent transid verify failed on 3785613344768
wanted 463116 found 463109
BTRFS info (device xvdg): no csum found for inode 31686701 start 0
BTRFS warning (device xvdg): csum failed root 258 ino 31686701 off 0
csum 0x6c824720 expected csum 0x00000000 mirror 1
BTRFS error (device xvdg): parent transid verify failed on 3785613344768
wanted 463116 found 463109
BTRFS info (device xvdg): no csum found for inode 31686701 start 4096
BTRFS error (device xvdg): parent transid verify failed on 3785613344768
wanted 463116 found 463109
BTRFS info (device xvdg): no csum found for inode 31686701 start 8192
BTRFS error (device xvdg): parent transid verify failed on 3785613344768
wanted 463116 found 463109
BTRFS info (device xvdg): no csum found for inode 31686701 start 12288
BTRFS error (device xvdg): parent transid verify failed on 3785613344768
wanted 463116 found 463109
....
Hope it's of use to someone.
David.
(Hopefully Thunderbird behaved and sent this as plain text)
