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

[ChristianEhrhardt]

I was asked to also recheck:
Working on artful for me as well:

<get the tests to build>
<setup as described 2x2G is enough>

[...]
root at cpaelzer-artful:/home/ubuntu/xfstests-dev# ./check tests/xfs/073
FSTYP         -- xfs (non-debug)
PLATFORM      -- Linux/ppc64le cpaelzer-artful 4.11.0-10-generic
MKFS_OPTIONS  -- -f -bsize=4096 /dev/loop1
MOUNT_OPTIONS -- /dev/loop1 /mnt/scratch

xfs/073  4s
Ran: xfs/073
Passed all 1 tests

xfsprogs                       4.9.0+nmu1ubuntu1    ppc64el

---

Comparing Xenial:
./check tests/xfs/073
FSTYP         -- xfs (non-debug)
PLATFORM      -- Linux/ppc64le cpaelzer-xenial 4.4.0-92-generic
MKFS_OPTIONS  -- -f -bsize=4096 /dev/loop1
MOUNT_OPTIONS -- /dev/loop1 /mnt/scratch

xfs/073  [failed, exit status 1] - output mismatch (see /home/ubuntu/xfstests-dev/results//xfs/073.out.bad)
    --- tests/xfs/073.out       2017-08-31 08:53:15.888003364 +0000
    +++ /home/ubuntu/xfstests-dev/results//xfs/073.out.bad      2017-08-31 08:59:47.111628779 +0000
    @@ -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
    ...
    (Run 'diff -u tests/xfs/073.out /home/ubuntu/xfstests-dev/results//xfs/073.out.bad'  to see the entire diff)
Ran: xfs/073
Failures: xfs/073
Failed 1 of 1 tests

xfsprogs    4.3.0+nmu1ubuntu1

---

@bdmurray - I left you two KVM guests that are set up with that on Diamond and imported your keys there, ping me if you need help to access (but vorlon can help as well if I'm out of reach).
- cpaelzer-artful
- cpaelzer-xenial

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https://bugs.launchpad.net/bugs/1696102

Title:
  xfs/073 test fails with Metadata corruption detected on xfs file
  system (xfsprogs)

Status in The Ubuntu-power-systems project:
  Fix Released
Status in linux package in Ubuntu:
  Invalid
Status in xfsprogs package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Invalid
Status in xfsprogs source package in Xenial:
  Triaged
Status in linux source package in Zesty:
  Invalid
Status in xfsprogs source package in Zesty:
  Triaged

Bug description:
  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

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