linux-kernel - [lkp-robot] [xfs] 8bbb6aa20a: xfstests.xfs.004.fail

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Date:   Wed, 18 Jan 2017 09:28:27 +0800
From:   kernel test robot <xiaolong.ye@...el.com>
To:     "Darrick J. Wong" <darrick.wong@...cle.com>
Cc:     Christoph Hellwig <hch@....de>,
        LKML <linux-kernel@...r.kernel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>, lkp@...org
Subject: [lkp-robot] [xfs]  8bbb6aa20a:  xfstests.xfs.004.fail


Greeting,

FYI, we noticed a -100.0% improvement of xfstests.xfs.004.pass due to commit:


commit: 8bbb6aa20ae7032991a4738ceb26c3672c8f607b ("xfs: bump up reserved blocks in xfs_alloc_set_aside")
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master

in testcase: xfstests
on test machine: 4 threads Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz with 6G memory
with following parameters:

	disk: 4HDD
	fs: xfs
	test: xfs-quick1

test-description: xfstests is a regression test suite for xfs and other files ystems.
test-url: git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git



Details are as below:
-------------------------------------------------------------------------------------------------->


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

testcase/path_params/tbox_group/run: xfstests/4HDD-xfs-xfs-quick1/snb-drag

ed40875dd4b4c7b5  8bbb6aa20ae7032991a4738ceb  
----------------  --------------------------  
         %stddev      change         %stddev
             \          |                \  
         1             100%          2        xfstests.time.exit_status
       fail:runs  %reproduction    fail:runs
           |             |             |    
           :4          100%           4:4     xfstests.xfs.004.fail
         1            -100%          0        xfstests.xfs.004.pass
           :4           25%           1:4     kmsg.DHCP/BOOTP:Reply_not_for_us_on_eth#,op[#]xid[ca#c3]
          2:4          -50%            :4     kmsg.DHCP/BOOTP:Reply_not_for_us_on_eth#,op[#]xid[#]
          1:4          -25%            :4     kmsg.DHCP/BOOTP:Reply_not_for_us_on_eth#,op[#]xid[#da5]


xfs/003  0s
xfs/004  [failed, exit status 1] - output mismatch (see /lkp/benchmarks/xfstests/results//xfs/004.out.bad)
    --- tests/xfs/004.out       2016-11-10 09:18:29.000000000 +0800
    +++ /lkp/benchmarks/xfstests/results//xfs/004.out.bad       2017-01-15 05:20:02.458741598 +0800
    @@ -5,5 +5,13 @@
     naming   =VERN bsize=XXX
     log      =LDEV bsize=XXX blocks=XXX
     realtime =RDEV extsz=XXX blocks=XXX, rtextents=XXX
    -Checking blocks column same as df: yes
    +Checking blocks column same as df: no (214637608960 != 214637559808)
    +Error: /dev/sda8: freesp mismatch: no (214637608960 != 214637559808)
    +xfs_db output ...
    ...
    (Run 'diff -u tests/xfs/004.out /lkp/benchmarks/xfstests/results//xfs/004.out.bad'  to see the entire diff)
xfs/005  2s


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,
Xiaolong

View attachment "config-4.10.0-rc2-00202-g8bbb6aa" of type "text/plain" (155604 bytes)

View attachment "job-script" of type "text/plain" (5033 bytes)

View attachment "job.yaml" of type "text/plain" (4228 bytes)

View attachment "reproduce" of type "text/plain" (1069 bytes)