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Bug 1347719

Summary:	xfs_repair: "disconnected inode 131, would move to lost+found" after quota tests on V4 xfs
Product:	Red Hat Enterprise Linux 7	Reporter:	Eryu Guan <eguan>
Component:	xfsprogs	Assignee:	Eric Sandeen <esandeen>
Status:	CLOSED ERRATA	QA Contact:	Eryu Guan <eguan>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	7.3	Keywords:	Regression
Target Milestone:	rc
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	xfsprogs-4.5.0-4.el7	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2016-11-04 06:24:33 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Eryu Guan 2016-06-17 13:04:48 UTC

Description of problem:
Many quota related xfstests fail when test with v4 xfs. And they all fail in a similar way. e.g.

*** xfs_repair -n output ***
Phase 1 - find and verify superblock...
Phase 2 - using internal log
        - zero log...
        - scan filesystem freespace and inode maps...
        - found root inode chunk
Phase 3 - for each AG...
        - scan (but don't clear) agi unlinked lists...
        - process known inodes and perform inode discovery...
        - agno = 0
        - agno = 1
        - agno = 2
        - agno = 3
        - process newly discovered inodes...
Phase 4 - check for duplicate blocks...
        - setting up duplicate extent list...
        - check for inodes claiming duplicate blocks...
        - agno = 0
        - agno = 3
        - agno = 1
        - agno = 2
No modify flag set, skipping phase 5
Phase 6 - check inode connectivity...
        - traversing filesystem ...
        - traversal finished ...
        - moving disconnected inodes to lost+found ...
disconnected inode 131, would move to lost+found
Phase 7 - verify link counts...
No modify flag set, skipping filesystem flush and exiting.
*** end xfs_repair output

These tests are xfs/050 xfs/108 xfs/133 xfs/134 xfs/196 xfs/244 xfs/261 xfs/262 xfs/287

Version-Release number of selected component (if applicable):
xfsprogs-4.5.0-2.el7
kernel-3.10.0-439.el7

How reproducible:
always

Steps to Reproduce:
1. MKFS_OPTIONS="-m crc=0" ./check <tests listed above>
2.
3.

Actual results:


Expected results:


Additional info:
Not sure if it's an xfsprogs bug or a kernel bug, but if I downgrade xfsprogs to 3.2.2-2.el7 version, all test pass (kernel unchanged). So filing a bug against xfsprogs.

Upstream kernel and xfsprogs have the same issue, I reported this issue (along with other issues) to xfs list back in March, no response yet.

http://oss.sgi.com/archives/xfs/2016-03/msg00063.html

Comment 2 Eric Sandeen 2016-06-24 21:26:03 UTC

[PATCH] xfs_repair: don't call xfs_sb_quota_from_disk twice

Comment 4 Eryu Guan 2016-06-29 04:32:58 UTC

Verified with xfsprogs-4.5.0-4.el7, all the affected tests pass now

[root@dhcp-66-87-213 xfstests]# MKFS_OPTIONS="-m crc=0" ./check xfs/050 xfs/108 xfs/133 xfs/134 xfs/196 xfs/244 xfs/261 xfs/262 xfs/287
FSTYP         -- xfs (non-debug)
PLATFORM      -- Linux/x86_64 dhcp-66-87-213 3.10.0-450.el7.x86_64
MKFS_OPTIONS  -- -f -m crc=0 /dev/vda6
MOUNT_OPTIONS -- -o context=system_u:object_r:nfs_t:s0 /dev/vda6 /mnt/testarea/scratch

xfs/050  4s
xfs/108  1s
xfs/133  1s
xfs/134  1s
xfs/196  4s
xfs/244  0s
xfs/261  1s
xfs/262 1s ... 1s
xfs/287  1s
Ran: xfs/050 xfs/108 xfs/133 xfs/134 xfs/196 xfs/244 xfs/261 xfs/262 xfs/287
Passed all 9 tests
[root@dhcp-66-87-213 xfstests]# rpm -q xfsprogs
xfsprogs-4.5.0-4.el7.x86_64

Move to VERIFIED.

Comment 6 errata-xmlrpc 2016-11-04 06:24:33 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2016-2431.html