On 13.08.19 г. 11:33 ч., David Goodwin wrote:
> 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
> ....
This has likely been fixed in 5.0 by Josef's introduction of delayed
refs reservation rework.
>
>
>
> Hope it's of use to someone.
>
> David.
>
>
> (Hopefully Thunderbird behaved and sent this as plain text)
>
>
