linux-kernel - [block] 8dc932d3e8: xfstests.generic.106.fail

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Date:   Wed, 18 Aug 2021 22:40:41 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Maxim Mikityanskiy <maxtram95@...il.com>
Cc:     Jens Axboe <axboe@...nel.dk>, Christoph Hellwig <hch@....de>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
        lkp@...el.com
Subject: [block]  8dc932d3e8: xfstests.generic.106.fail



Greeting,

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

commit: 8dc932d3e8afb65e12eba7495f046c83884c49bf ("Revert "block: simplify set_init_blocksize" to regain lost performance")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master


in testcase: xfstests
version: xfstests-x86_64-76d2a91-1_20210804
with following parameters:

	disk: 4HDD
	fs: btrfs
	test: generic-group-05
	ucode: 0x21

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) i7-3770K CPU @ 3.50GHz with 16G 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>

2021-08-15 16:55:17 export TEST_DIR=/fs/sda1
2021-08-15 16:55:17 export TEST_DEV=/dev/sda1
2021-08-15 16:55:17 export FSTYP=btrfs
2021-08-15 16:55:17 export SCRATCH_MNT=/fs/scratch
2021-08-15 16:55:17 mkdir /fs/scratch -p
2021-08-15 16:55:17 export SCRATCH_DEV_POOL="/dev/sda2 /dev/sda3 /dev/sda4"
2021-08-15 16:55:17 sed "s:^:generic/:" //lkp/benchmarks/xfstests/tests/generic-group-05
2021-08-15 16:55:17 ./check generic/100 generic/101 generic/102 generic/103 generic/104 generic/105 generic/106 generic/107 generic/108 generic/109 generic/110 generic/111 generic/112 generic/113 generic/114 generic/115 generic/116 generic/117 generic/118 generic/119
FSTYP         -- btrfs
PLATFORM      -- Linux/x86_64 lkp-ivb-d01 5.11.0-rc1-00050-g8dc932d3e8af #1 SMP Sun Aug 15 21:33:45 CST 2021
MKFS_OPTIONS  -- /dev/sda2
MOUNT_OPTIONS -- /dev/sda2 /fs/scratch

generic/100	 9s
generic/101	 1s
generic/102	 3s
generic/103	 2s
generic/104	 1s
generic/105	 1s
generic/106	[failed, exit status 1]- output mismatch (see /lkp/benchmarks/xfstests/results//generic/106.out.bad)
    --- tests/generic/106.out	2021-08-13 12:27:40.000000000 +0000
    +++ /lkp/benchmarks/xfstests/results//generic/106.out.bad	2021-08-15 16:55:34.820819135 +0000
    @@ -1,3 +1,2 @@
     QA output created by 106
    -Entries in testdir:
    -foo
    +failed to create flakey device
    ...
    (Run 'diff -u /lkp/benchmarks/xfstests/tests/generic/106.out /lkp/benchmarks/xfstests/results//generic/106.out.bad'  to see the entire diff)
generic/107	 2s
generic/108	 1s
generic/109	 1s
generic/110	 1s
generic/111	 1s
generic/112	 69s
generic/113	 83s
generic/114	 5s
generic/115	 1s
generic/116	 1s
generic/117	 6s
generic/118	 1s
generic/119	 2s
Ran: generic/100 generic/101 generic/102 generic/103 generic/104 generic/105 generic/106 generic/107 generic/108 generic/109 generic/110 generic/111 generic/112 generic/113 generic/114 generic/115 generic/116 generic/117 generic/118 generic/119
Failures: generic/106
Failed 1 of 20 tests




To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        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
        bin/lkp run                    generated-yaml-file



---
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-5.11.0-rc1-00050-g8dc932d3e8af" of type "text/plain" (172434 bytes)

View attachment "job-script" of type "text/plain" (5661 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (6732 bytes)

View attachment "xfstests" of type "text/plain" (1999 bytes)

View attachment "job.yaml" of type "text/plain" (4752 bytes)

View attachment "reproduce" of type "text/plain" (931 bytes)