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[lkp] [ext4] dfbd72d0d6: -100.0% xfstests.ext4.001.seconds

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FYI, we noticed the below changes on

https://github.com/0day-ci/linux Jan-Kara/ext4-Fix-races-between-page-faults-and-hole-punching/20151105-002716
commit dfbd72d0d6f10086064b918419fb2094ff9fbdb6 ("ext4: Fix races between page faults and hole punching")


=========================================================================================
tbox_group/testcase/rootfs/kconfig/compiler/disk/fs/test:
  vm-kbuild-2G/xfstests/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/4HDD/ext4/ext4

commit: 
  32b88194f71d6ae7768a29f87fbba454728273ee
  dfbd72d0d6f10086064b918419fb2094ff9fbdb6

32b88194f71d6ae7 dfbd72d0d6f10086064b918419 
---------------- -------------------------- 
       fail:runs  %reproduction    fail:runs
           |             |             |    
           :4          100%           4:4     last_state.xfstests.exit_code.1
           :4          100%           4:4     xfstests.ext4.001.fail
           :4          100%           4:4     xfstests.nr_fail

vm-kbuild-2G: qemu-system-x86_64 -enable-kvm -cpu Haswell,+smep,+smap
Memory: 2G

The output of xfstests is as follow:

2015-11-09 01:42:14 export TEST_DIR=/fs/vda
2015-11-09 01:42:14 export TEST_DEV=/dev/vda
2015-11-09 01:42:14 export FSTYP=ext4
2015-11-09 01:42:14 export SCRATCH_MNT=/fs/scratch
2015-11-09 01:42:14 mkdir /fs/scratch -p
2015-11-09 01:42:14 export SCRATCH_DEV=/dev/vdd
2015-11-09 01:42:14 ./check ext4/001 ext4/002 ext4/003 ext4/004 ext4/005 ext4/006 ext4/007 ext4/008 ext4/009 ext4/010 ext4/011 ext4/012 ext4/013 ext4/014 ext4/015 ext4/016 ext4/017 ext4/018 ext4/019 ext4/271 ext4/301 ext4/305 ext4/306 ext4/307 ext4/308
FSTYP         -- ext4
PLATFORM      -- Linux/x86_64 vm-kbuild-2G-3 4.3.0-rc7-00001-gdfbd72d
MKFS_OPTIONS  -- /dev/vdd
MOUNT_OPTIONS -- -o acl,user_xattr /dev/vdd /fs/scratch

ext4/001	 - output mismatch (see /lkp/benchmarks/xfstests/results//ext4/001.out.bad)
    --- tests/ext4/001.out	2015-11-04 17:39:25.000000000 +0800
    +++ /lkp/benchmarks/xfstests/results//ext4/001.out.bad	2015-11-09 01:42:55.408281000 +0800
    @@ -131,14 +131,10 @@
     2: [32..39]: hole
     daa100df6e6711906b61c9ab5aa16032
     	11. data -> hole -> data
    -0: [0..7]: data
    -1: [8..31]: unwritten
    -2: [32..39]: data
    +0: [0..39]: data
    ...
    (Run 'diff -u tests/ext4/001.out /lkp/benchmarks/xfstests/results//ext4/001.out.bad'  to see the entire diff)
ext4/002	 16s
ext4/003	 17s
ext4/004	 13s
ext4/005	 7s
ext4/006	 [not run] Couldn't find e2fuzz
ext4/007	 [not run] metadata_csum not supported by this filesystem
ext4/008	 [not run] metadata_csum not supported by this filesystem
ext4/009	 [not run] metadata_csum not supported by this filesystem
ext4/010	 [not run] metadata_csum not supported by this filesystem
ext4/011	 [not run] metadata_csum not supported by this filesystem
ext4/012	 [not run] metadata_csum not supported by this filesystem
ext4/013	 [not run] metadata_csum not supported by this filesystem
ext4/014	 [not run] metadata_csum not supported by this filesystem
ext4/015	 [not run] metadata_csum not supported by this filesystem
ext4/016	 [not run] metadata_csum not supported by this filesystem
ext4/017	 [not run] metadata_csum not supported by this filesystem
ext4/018	 [not run] metadata_csum not supported by this filesystem
ext4/019	 [not run] metadata_csum not supported by this filesystem
ext4/271	 17s
ext4/301	 114s
ext4/305	 40s
ext4/306	 18s
ext4/307	 50s
ext4/308	 22s
Ran: ext4/001 ext4/002 ext4/003 ext4/004 ext4/005 ext4/271 ext4/301 ext4/305 ext4/306 ext4/307 ext4/308
Not run: ext4/006 ext4/007 ext4/008 ext4/009 ext4/010 ext4/011 ext4/012 ext4/013 ext4/014 ext4/015 ext4/016 ext4/017 ext4/018 ext4/019
Failures: ext4/001
Failed 1 of 11 tests

To reproduce:

        git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml


Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.


Thanks,
Ying Huang

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[lkp] [ext4] dfbd72d0d6: -100.0% xfstests.ext4.001.seconds kernel test robot <ying.huang@linux.intel.com> - 2015-11-10 06:30 +0100
  Re: [lkp] [ext4] dfbd72d0d6: -100.0% xfstests.ext4.001.seconds Jan Kara <jack@suse.cz> - 2015-11-10 10:00 +0100

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