linux-kernel - [linus:master] [btrfs] 5f58d783fd: xfstests.btrfs.172.fail

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Date:   Fri, 17 Mar 2023 09:17:46 +0800
From:   kernel test rboot <oliver.sang@...el.com>
To:     Anand Jain <anand.jain@...cle.com>
CC:     <oe-lkp@...ts.linux.dev>, <lkp@...el.com>,
        <linux-kernel@...r.kernel.org>, David Sterba <dsterba@...e.com>,
        Daan De Meyer <daandemeyer@...com>,
        "Josef Bacik" <josef@...icpanda.com>, <linux-btrfs@...r.kernel.org>
Subject: [linus:master] [btrfs]  5f58d783fd: xfstests.btrfs.172.fail


Greeting,

FYI, we noticed xfstests.btrfs.172.fail due to commit (built with gcc-11):

commit: 5f58d783fd7823b2c2d5954d1126e702f94bfc4c ("btrfs: free device in btrfs_close_devices for a single device filesystem")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

in testcase: xfstests
version: xfstests-i386-5a5e419-1_20220926
with following parameters:

	disk: 6HDD
	fs: btrfs
	test: btrfs-logwrites

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) i7-4770 CPU @ 3.40GHz (Haswell) with 8G memory

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


we did this test on i386 and we found the issue doesn't always happen,
on both this commit and v6.3-rc2, it failed in about half of tests.
however, always clean on parent commit 519b7e13b5ae8dd3.

519b7e13b5ae8dd3 5f58d783fd7823b2c2d5954d112                    v6.3-rc2
---------------- --------------------------- ---------------------------
       fail:runs  %reproduction    fail:runs  %reproduction    fail:runs
           |             |             |             |             |
           :14          23%           7:13          33%          10:19    xfstests.btrfs.172.fail
         14:14         -27%           6:13         -17%           9:19    xfstests.btrfs.172.pass



If you fix the issue, kindly add following tag
| Reported-by: kernel test robot <oliver.sang@...el.com>
| Link: https://lore.kernel.org/oe-lkp/202303170839.fdf23068-oliver.sang@intel.com

2023-03-08 04:47:50 export TEST_DIR=/fs/sdb1
2023-03-08 04:47:50 export TEST_DEV=/dev/sdb1
2023-03-08 04:47:50 export FSTYP=btrfs
2023-03-08 04:47:50 export SCRATCH_MNT=/fs/scratch
2023-03-08 04:47:50 mkdir /fs/scratch -p
2023-03-08 04:47:50 export SCRATCH_DEV_POOL="/dev/sdb2 /dev/sdb3 /dev/sdb4 /dev/sdb5 /dev/sdb6"
2023-03-08 04:47:50 export LOGWRITES_DEV=/dev/sdb2
2023-03-08 04:47:50 export SCRATCH_DEV=/dev/sdb6
2023-03-08 04:47:50 unset SCRATCH_DEV_POOL
2023-03-08 04:47:50 sed "s:^:btrfs/:" //lkp/benchmarks/xfstests/tests/btrfs-logwrites
2023-03-08 04:47:50 ./check btrfs/291 btrfs/206 btrfs/196 btrfs/192 btrfs/190 btrfs/172
FSTYP         -- btrfs
PLATFORM      -- Linux/i686 lkp-hsw-d01 6.1.0-rc8-00284-g5f58d783fd78 #1 SMP Wed Mar  8 11:05:36 CST 2023
MKFS_OPTIONS  -- /dev/sdb6
MOUNT_OPTIONS -- /dev/sdb6 /fs/scratch

btrfs/172       [failed, exit status 1]- output mismatch (see /lkp/benchmarks/xfstests/results//btrfs/172.out.bad)
    --- tests/btrfs/172.out	2022-09-26 09:38:15.000000000 +0000
    +++ /lkp/benchmarks/xfstests/results//btrfs/172.out.bad	2023-03-08 04:47:54.134026209 +0000
    @@ -1,3 +1,5 @@
     QA output created by 172
     wrote 5242880/5242880 bytes at offset 0
     XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
    +_check_btrfs_filesystem: filesystem on /dev/sdb6 is inconsistent
    +(see /lkp/benchmarks/xfstests/results//btrfs/172.full for details)
    ...
    (Run 'diff -u /lkp/benchmarks/xfstests/tests/btrfs/172.out /lkp/benchmarks/xfstests/results//btrfs/172.out.bad'  to see the entire diff)
btrfs/190        15s
btrfs/192        101s
btrfs/196        163s
btrfs/206        4s
btrfs/291       [not run] kernel btrfs isn't configured with verity support
Ran: btrfs/172 btrfs/190 btrfs/192 btrfs/196 btrfs/206 btrfs/291
Not run: btrfs/291
Failures: btrfs/172
Failed 1 of 6 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.



-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests



View attachment "config-6.1.0-rc8-00284-g5f58d783fd78" of type "text/plain" (153841 bytes)

View attachment "job-script" of type "text/plain" (5669 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (45908 bytes)

View attachment "xfstests" of type "text/plain" (1842 bytes)

View attachment "job.yaml" of type "text/plain" (4903 bytes)

View attachment "reproduce" of type "text/plain" (1059 bytes)