linux-kernel - [lkp-robot] [Btrfs] 28785f70ef: xfstests.generic.273.fail

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Message-ID: <20170726062352.GC4877@yexl-desktop>
Date:   Wed, 26 Jul 2017 14:23:52 +0800
From:   kernel test robot <xiaolong.ye@...el.com>
To:     Liu Bo <bo.li.liu@...cle.com>
Cc:     David Sterba <dsterba@...e.com>,
        Nikolay Borisov <nborisov@...e.com>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [lkp-robot] [Btrfs]  28785f70ef: xfstests.generic.273.fail


FYI, we noticed the following commit:

commit: 28785f70ef882e4798cd5706066a55dbf7adf80e ("Btrfs: skip commit transaction if we don't have enough pinned bytes")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

in testcase: xfstests
with following parameters:

	disk: 4HDD
	fs: btrfs
	test: generic-mid2

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


on test machine: qemu-system-x86_64 -enable-kvm -cpu qemu64,+ssse3 -smp 4 -m 4G

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




2017-07-24 15:05:23 export TEST_DIR=/fs/vda
2017-07-24 15:05:23 export TEST_DEV=/dev/vda
2017-07-24 15:05:23 export FSTYP=btrfs
2017-07-24 15:05:23 export SCRATCH_MNT=/fs/scratch
2017-07-24 15:05:23 mkdir /fs/scratch -p
2017-07-24 15:05:23 export SCRATCH_DEV_POOL="/dev/vdb /dev/vdc /dev/vdd"
2017-07-24 15:05:23 ./check generic/224 generic/225 generic/226 generic/230 generic/232 generic/233 generic/269 generic/270 generic/273 generic/274 generic/275 generic/310 generic/324
FSTYP         -- btrfs
PLATFORM      -- Linux/x86_64 vm-kbuild-4G-4 4.12.0-rc6-00032-g28785f7
MKFS_OPTIONS  -- /dev/vdb
MOUNT_OPTIONS -- /dev/vdb /fs/scratch

generic/224	 30s
generic/225	 17s
generic/226	 22s
generic/230	 [not run] disk quotas not supported by this filesystem type: btrfs
generic/232	 [not run] disk quotas not supported by this filesystem type: btrfs
generic/233	 [not run] disk quotas not supported by this filesystem type: btrfs
generic/269	 51s
generic/270	 [not run] disk quotas not supported by this filesystem type: btrfs
generic/273	 - output mismatch (see /lkp/benchmarks/xfstests/results//generic/273.out.bad)
    --- tests/generic/273.out	2017-06-30 11:04:30.000000000 +0800
    +++ /lkp/benchmarks/xfstests/results//generic/273.out.bad	2017-07-24 15:08:37.002792866 +0800
    @@ -2,3 +2,198 @@
     ------------------------------
     start the workload
     ------------------------------
    +_porter 189 not complete
    +_porter 6 not complete
    +_porter 14 not complete
    +_porter 23 not complete
    ...
    (Run 'diff -u tests/generic/273.out /lkp/benchmarks/xfstests/results//generic/273.out.bad'  to see the entire diff)
generic/274	 265s
generic/275	 19s
generic/310	 68s
generic/324	 20s
Ran: generic/224 generic/225 generic/226 generic/269 generic/273 generic/274 generic/275 generic/310 generic/324
Not run: generic/230 generic/232 generic/233 generic/270
Failures: generic/273
Failed 1 of 9 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 "config-4.12.0-rc6-00032-g28785f7" of type "text/plain" (159283 bytes)

View attachment "job-script" of type "text/plain" (4715 bytes)

Download attachment "dmesg.xz" of type "application/octet-stream" (21456 bytes)

View attachment "xfstests" of type "text/plain" (1924 bytes)