Greeting,

FYI, we noticed the following commit (built with gcc-11):

commit: 1aa91d9c993397858a50c433933ea119903fdea2 ("xfs: Add async buffered write support")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

in testcase: xfstests
version: xfstests-x86_64-c1144bf-1_20220808
with following parameters:

	disk: 4HDD
	fs: xfs
	test: generic-group-23
	ucode: 0xf0

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: 4 threads Intel(R) Xeon(R) CPU E3-1225 v5 @ 3.30GHz (Skylake) with 16G memory

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


generic/471       - output mismatch (see /lkp/benchmarks/xfstests/results//generic/471.out.bad)
     --- tests/generic/471.out	2022-08-08 17:00:46.000000000 +0000
     +++ /lkp/benchmarks/xfstests/results//generic/471.out.bad	2022-08-22 16:16:45.895663503 +0000
     @@ -2,12 +2,10 @@
      pwrite: Resource temporarily unavailable
      wrote 8388608/8388608 bytes at offset 0
      XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
     -RWF_NOWAIT time is within limits.
     +pwrite: Resource temporarily unavailable
     +(standard_in) 1: syntax error
     +RWF_NOWAIT took  seconds
     ...
     (Run 'diff -u /lkp/benchmarks/xfstests/tests/generic/471.out /lkp/benchmarks/xfstests/results//generic/471.out.bad'  to see the entire diff)


=========================================================================================
tbox_group/testcase/rootfs/kconfig/compiler/disk/fs/test/ucode:
   lkp-skl-d06/xfstests/debian-11.1-x86_64-20220510.cgz/x86_64-rhel-8.3-func/gcc-11/4HDD/xfs/generic-group-23/0xf0

commit:
   9641506b2deed1 ("xfs: Specify lockmode when calling xfs_ilock_for_iomap()")
   1aa91d9c993397 ("xfs: Add async buffered write support")

9641506b2deed1bb 1aa91d9c993397858a50c433933
---------------- ---------------------------
        fail:runs  %reproduction    fail:runs
            |             |             |
            :6           33%           2:2     xfstests.generic.471.fail


If you fix the issue, kindly add following tag
Reported-by: kernel test robot <yujie.liu@intel.com>


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.


#regzbot introduced: 1aa91d9c99

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp