linux-kernel - [mm/readahead] a0b99df1aa: xfstests.xfs.421.fail

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Date:   Mon, 21 Feb 2022 16:02:18 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     lkp@...ts.01.org, lkp@...el.com,
        LKML <linux-kernel@...r.kernel.org>
Subject: [mm/readahead]  a0b99df1aa: xfstests.xfs.421.fail



Greeting,

FYI, we noticed the following commit (built with gcc-9):

commit: a0b99df1aa37d714eb80be5fb54efd56c88a3336 ("mm/readahead: Add large folio readahead")
git://git.infradead.org/users/willy/pagecache for-next

in testcase: xfstests
version: xfstests-x86_64-1de1db8-1_20220217
with following parameters:

	disk: 4HDD
	fs: xfs
	test: xfs-reflink-21
	ucode: 0x28

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: 8 threads 1 sockets Intel(R) Core(TM) i7-4790 v3 @ 3.60GHz with 6G memory

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




If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>

2022-02-20 20:34:16 export TEST_DIR=/fs/sdb1
2022-02-20 20:34:16 export TEST_DEV=/dev/sdb1
2022-02-20 20:34:16 export FSTYP=xfs
2022-02-20 20:34:16 export SCRATCH_MNT=/fs/scratch
2022-02-20 20:34:16 mkdir /fs/scratch -p
2022-02-20 20:34:16 export SCRATCH_DEV=/dev/sdb4
2022-02-20 20:34:16 export SCRATCH_LOGDEV=/dev/sdb2
2022-02-20 20:34:16 export SCRATCH_XFS_LIST_METADATA_FIELDS=u3.sfdir3.hdr.parent.i4
2022-02-20 20:34:16 export SCRATCH_XFS_LIST_FUZZ_VERBS=random
2022-02-20 20:34:16 export MKFS_OPTIONS=-mreflink=1
2022-02-20 20:34:16 sed "s:^:xfs/:" //lkp/benchmarks/xfstests/tests/xfs-reflink-21
2022-02-20 20:34:16 ./check xfs/420 xfs/421 xfs/435
FSTYP         -- xfs (debug)
PLATFORM      -- Linux/x86_64 lkp-hsw-d02 5.17.0-rc4-00174-ga0b99df1aa37 #1 SMP Mon Feb 21 03:58:09 CST 2022
MKFS_OPTIONS  -- -f -mreflink=1 /dev/sdb4
MOUNT_OPTIONS -- /dev/sdb4 /fs/scratch

xfs/420	- output mismatch (see /lkp/benchmarks/xfstests/results//xfs/420.out.bad)
    --- tests/xfs/420.out	2022-02-17 11:55:00.000000000 +0000
    +++ /lkp/benchmarks/xfstests/results//xfs/420.out.bad	2022-02-20 20:34:22.430378506 +0000
    @@ -13,9 +13,7 @@
     Seek holes and data in file2
     Whence	Result
     DATA	0
    -HOLE	131072
    -DATA	196608
    -HOLE	262144
    +HOLE	524288
    ...
    (Run 'diff -u /lkp/benchmarks/xfstests/tests/xfs/420.out /lkp/benchmarks/xfstests/results//xfs/420.out.bad'  to see the entire diff)
xfs/421	- output mismatch (see /lkp/benchmarks/xfstests/results//xfs/421.out.bad)
    --- tests/xfs/421.out	2022-02-17 11:55:00.000000000 +0000
    +++ /lkp/benchmarks/xfstests/results//xfs/421.out.bad	2022-02-20 20:34:26.538378346 +0000
    @@ -13,9 +13,7 @@
     Seek holes and data in file2
     Whence	Result
     DATA	0
    -HOLE	131072
    -DATA	196608
    -HOLE	262144
    +HOLE	524288
    ...
    (Run 'diff -u /lkp/benchmarks/xfstests/tests/xfs/421.out /lkp/benchmarks/xfstests/results//xfs/421.out.bad'  to see the entire diff)
xfs/435	 4s
Ran: xfs/420 xfs/421 xfs/435
Failures: xfs/420 xfs/421
Failed 2 of 3 tests




To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        sudo bin/lkp install job.yaml           # job file is attached in this email
        bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
        sudo bin/lkp run generated-yaml-file

        # if come across any failure that blocks the test,
        # please remove ~/.lkp and /lkp dir to run from a clean state.



---
0DAY/LKP+ Test Infrastructure                   Open Source Technology Center
https://lists.01.org/hyperkitty/list/lkp@lists.01.org       Intel Corporation

Thanks,
Oliver Sang


View attachment "config-5.17.0-rc4-00174-ga0b99df1aa37" of type "text/plain" (179025 bytes)

View attachment "job-script" of type "text/plain" (5714 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (25972 bytes)

View attachment "xfstests" of type "text/plain" (2038 bytes)

View attachment "job.yaml" of type "text/plain" (4836 bytes)

View attachment "reproduce" of type "text/plain" (903 bytes)