Public bug reported:
We noticed a XFS metadata corruption once we ran a lot of small write
IOs on SSDs in our OpenStack swift environment:
[1468860.211158] XFS (sdax): Metadata corruption detected at
xfs_attr3_leaf_write_verify+0xd7/0xf0 [xfs], block 0x7c99480
[1468860.211195] XFS (sdax): Unmount and run xfs_repair
[1468860.211215] XFS (sdax): First 64 bytes of corrupted metadata buffer:
[1468860.211247] ffff880630f66000: 00 00 00 00 00 00 00 00 fb ee 00 00 00 00 00
00 ................
[1468860.211268] ffff880630f66010: 10 00 00 00 00 20 0f e0 00 00 00 00 00 00 00
00 ..... ..........
[1468860.211289] ffff880630f66020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 ................
[1468860.211309] ffff880630f66030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 ................
[1468860.211328] XFS (sdax): xfs_do_force_shutdown(0x8) called from line 1254
of file /build/linux-lts-xenial-7RlTta/linux-lts-xenial-4.4.0/fs/xfs/xfs_buf.c.
Return address = 0x
ffffffffc068f616
[1468860.212214] XFS (sdax): Corruption of in-memory data detected. Shutting
down filesystem
[1468860.212232] XFS (sdax): Please umount the filesystem and rectify the
problem(s)
[1468860.212323] XFS (sdax): xfs_do_force_shutdown(0x1) called from line 315 of
file
/build/linux-lts-xenial-7RlTta/linux-lts-xenial-4.4.0/fs/xfs/xfs_trans_buf.c.
Return address
= 0xffffffffc06bdda2
[1468860.261436] XFS (sdax): xfs_log_force: error -5 returned.
This error is reported with linux-generic-lts-xenial @4.4.0.22.12 on a XFS
filesystem formatted with 1024 as inode size and mounted with
rw,noatime,nodiratime,nobarrier,logbufs=8,noquota
For us this issue seems to be reproducible after several hours of stress
testing.
cat /proc/version_signature
Ubuntu 4.4.0-22.40~14.04.1-generic 4.4.8
Description: Ubuntu 14.04.3 LTS
Release: 14.04
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1596550
Title:
Metadata corruption detected at xfs_attr3_leaf_write_verify+0xd7/0xf0
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