linux-kernel - [lkp] [ksm] 40e318e509: ltp.ksm01.fail

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Message-ID: <87io2ibbrh.fsf@yhuang-dev.intel.com>
Date:	Mon, 25 Jan 2016 11:04:18 +0800
From:	kernel test robot <ying.huang@...ux.intel.com>
TO:	Andrea Arcangeli <aarcange@...hat.com>
CC:	Stephen Rothwell <sfr@...b.auug.org.au>
Subject: [lkp] [ksm] 40e318e509: ltp.ksm01.fail

FYI, we noticed the below changes on

https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
commit 40e318e509d2c9f3cdb00ef32d2c14b9868af16b ("ksm: introduce ksm_max_page_sharing per page deduplication limit")

We found LKP KSM test case failed for your patch.

=========================================================================================
compiler/kconfig/rootfs/tbox_group/test/testcase:
  gcc-5/x86_64-nfsroot/debian-x86_64-2015-02-07.cgz/vm-lkp-wsx03-4G/mm_functional_positive/otc_kernel_qa-ts_ltp_ddt

commit: 
  77505a33e539477f1fbe5e6136df5b265f39cccf
  40e318e509d2c9f3cdb00ef32d2c14b9868af16b

77505a33e539477f 40e318e509d2c9f3cdb00ef32d 
---------------- -------------------------- 
       fail:runs  %reproduction    fail:runs
           |             |             |    
           :4          100%           4:4     otc_kernel_qa-ts_ltp_ddt.ksm01.fail
           :4          100%           4:4     otc_kernel_qa-ts_ltp_ddt.ksm01_1.fail


vm-lkp-wsx03-4G: qemu-system-x86_64 -enable-kvm -cpu host
Memory: 4G

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

View attachment "job.yaml" of type "text/plain" (3060 bytes)

Download attachment "reproduce.sh" of type "application/x-sh" (63 bytes)