[Bug 1696102] [NEW] xfs/073 test fails with Metadata corruption detected on xfs file system (xfsprogs)

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Problem Description
--------------------------------
xfs/073 test fails with Metadata corruption detected on xfs file system. Test fails with _check_xfs_filesystem: filesystem on /mnt/test/84004.image2 is inconsistent.

# diff -u tests/xfs/073.out /root/xfstests-dev/results//xfs/073.out.bad
--- tests/xfs/073.out	2017-03-23 12:13:05.288877197 +0530
+++ /root/xfstests-dev/results//xfs/073.out.bad	2017-03-27 11:11:43.023059702 +0530
@@ -59,8 +59,7 @@
 comparing new image geometry to old
 unmounting and removing new image
 checking new image
-mounting new image on loopback
-comparing new image files to old
-comparing new image directories to old
-comparing new image geometry to old
-unmounting and removing new image
+_check_xfs_filesystem: filesystem on /mnt/test/15413.image2 is inconsistent (c)
+(see /root/xfstests-dev/results//xfs/073.full for details)
+_check_xfs_filesystem: filesystem on /mnt/test/15413.image2 is inconsistent (r)
+(see /root/xfstests-dev/results//xfs/073.full for details)

Metadata corruption detected at xfs_agf block 0x1/0x200

# uname -a
Linux ltc-tuleta12 4.10.0-21-generic #23~16.04.1-Ubuntu SMP Tue May 2 12:54:57 UTC 2017 ppc64le ppc64le ppc64le GNU/Linux

Steps to reproduce:
----------------------------------------
1. Create a loop device with xfs filesystem
2. git clone git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git; cd xfstests-dev
3. make
4. Create a local.conf for running with created loop device
5.. Run xfstests-dev test  : ./check tests/xfs/073

Full log is attached.

== Comment: #2 - Harish Sriram <hasriram at in.ibm.com> - 2017-05-31 01:22:11 ==
(In reply to comment #1)
> Hi Harish,
> Can you share the steps used in creating the loop device with xfs filesystem
> ?
> 
> Thank you.

Create loop device:
# mkdir /mnt/loop-device /mnt/test /mnt/scratch

# for i in $(seq 0 1); do fallocate -o 0 -l 5GiB /mnt/loop-device/file-$i.img; done
# for i in $(seq 0 1); do losetup /dev/loop$i /mnt/loop-device/file-$i.img; done

Create File system:
# for i in $(seq 0 1); do mkfs.ext4 -F /dev/loop$i; done

# cat local.config
export TEST_DEV=/dev/loop0
export TEST_DIR=/mnt/test
export SCRATCH_DEV=/dev/loop1
export SCRATCH_MNT=/mnt/scratch

** Affects: xfsprogs (Ubuntu)
     Importance: Undecided
     Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage)
         Status: New


** Tags: architecture-ppc64le bugnameltc-155129 severity-high targetmilestone-inin16043
-- 
xfs/073 test fails with Metadata corruption detected on xfs file system (xfsprogs)
https://bugs.launchpad.net/bugs/1696102
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