linux-kernel - [lkp-robot] [uuid] df33767d9f: kmsg.test_uuid:failed#out

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Date:   Thu, 20 Jul 2017 09:01:19 +0800
From:   kernel test robot <xiaolong.ye@...el.com>
To:     Christoph Hellwig <hch@....de>
Cc:     Amir Goldstein <amir73il@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>, lkp@...org
Subject: [lkp-robot] [uuid]  df33767d9f: kmsg.test_uuid:failed#out_of#tests


FYI, we noticed the following commit:

commit: df33767d9fe0ca93c606cc9042df05e5045c8158 ("uuid: hoist helpers uuid_equal() and uuid_copy() from xfs")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

in testcase: boot

on test machine: qemu-system-x86_64 -enable-kvm -m 420M

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):



[   12.540000] test_uuid: cmp test #4 failed on BE data: 'c33f4995-3701-450e-9fbf-206a2e98e576'
[   12.540000] test_uuid: cmp test #4 failed on BE data: 'c33f4995-3701-450e-9fbf-206a2e98e576'
[   12.543655] test_uuid: cmp test #4 actual data: 'c33f4995-3701-450e-9fbf-206a2e98e576'
[   12.543655] test_uuid: cmp test #4 actual data: 'c33f4995-3701-450e-9fbf-206a2e98e576'
[   12.547454] test_uuid: cmp test #8 failed on BE data: '64b4371c-77c1-48f9-8221-29f054fc023b'
[   12.547454] test_uuid: cmp test #8 failed on BE data: '64b4371c-77c1-48f9-8221-29f054fc023b'
[   12.551521] test_uuid: cmp test #8 actual data: '64b4371c-77c1-48f9-8221-29f054fc023b'
[   12.551521] test_uuid: cmp test #8 actual data: '64b4371c-77c1-48f9-8221-29f054fc023b'
[   12.555092] test_uuid: cmp test #12 failed on BE data: '0cb4ddff-a545-4401-9d06-688af53e7f84'
[   12.555092] test_uuid: cmp test #12 failed on BE data: '0cb4ddff-a545-4401-9d06-688af53e7f84'
[   12.559228] test_uuid: cmp test #12 actual data: '0cb4ddff-a545-4401-9d06-688af53e7f84'
[   12.559228] test_uuid: cmp test #12 actual data: '0cb4ddff-a545-4401-9d06-688af53e7f84'
[   12.562884] test_uuid: failed 3 out of 18 tests
[   12.562884] test_uuid: failed 3 out of 18 tests




To reproduce:

        git clone https://github.com/01org/lkp-tests.git
        cd lkp-tests
        bin/lkp qemu -k <bzImage> job-script  # job-script is attached in this email



Thanks,
Xiaolong

View attachment "job-script" of type "text/plain" (4058 bytes)

Download attachment "dmesg.xz" of type "application/octet-stream" (19804 bytes)