Default Comment by Bridge

** Attachment added: "Test full log"

** Changed in: ubuntu
     Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage 

** Package changed: ubuntu => linux (Ubuntu)

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  xfstest sanity checks 17 fails on  data-hole-data inside page

Status in linux package in Ubuntu:

Bug description:
  Problem Description
  xfstests fails with Metadata corruption at leaf on ext4 filesystem

  Kernel Build:  4.12.1-041201-generic
  System Name : ltc-test-ci2
  Model  : 8247-22L
  Platform    :  PowerNV ( P8 )
  Issue observed in P9 also.

  Uname output
  # uname -a
  Linux ltc-test-ci2 4.12.1-041201-generic #201707121132 SMP Wed Jul 12 
17:03:25 UTC 2017 ppc64le ppc64le ppc64le GNU/Linux

  Steps to reproduce:
  1. Create a loop device with ext4 filesystem
  2. git clone git://; cd 
  3. make
  4. Create a local.config for running with created loop device
  5. Run xfstests-dev test  : ./check tests/ext4/445

  generic/445      [failed, exit status 1] - output mismatch (see 
      --- tests/generic/445.out   2017-07-13 06:04:36.244322946 -0400
      +++ /root/harish/xfstests-dev/results//generic/445.out.bad  2017-07-14 
02:49:06.540352923 -0400
      @@ -1,2 +1,3 @@
       QA output created by 445
      -Silence is golden
      +seek sanity check failed!
      +(see /root/harish/xfstests-dev/results//generic/445.full for details)
      (Run 'diff -u tests/generic/445.out 
/root/harish/xfstests-dev/results//generic/445.out.bad'  to see the entire diff)

  Nothing observed in dmesg.

  Full log is attached.

  Note: Issue is also observed on distro kernel - 4.11.0-10-generic.

  It needs to have two disks you run the test on. Make sure you create
  those directories before running the test.

  # 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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