linux-kernel - [linux-next:master] [blk] 84d7d462b1: mdadm-selftests.03r5assem-failed.fail

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Date:   Fri, 10 Feb 2023 16:34:34 +0800
From:   kernel test robot <yujie.liu@...el.com>
To:     Christoph Hellwig <hch@....de>
CC:     <oe-lkp@...ts.linux.dev>, <lkp@...el.com>,
        Jens Axboe <axboe@...nel.dk>,
        Andreas Herrmann <aherrmann@...e.de>,
        Tejun Heo <tj@...nel.org>, <linux-block@...r.kernel.org>,
        <cgroups@...r.kernel.org>, linux-raid <linux-raid@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-next@...r.kernel.org>
Subject: [linux-next:master] [blk] 84d7d462b1:
 mdadm-selftests.03r5assem-failed.fail

Hi Christoph,

We reported
  "[axboe-block/for-6.3/block] [blk] 84d7d462b1: mdadm-selftests.03assem-incr.fail"
at 
  https://lore.kernel.org/all/202302060916.19871c31-yujie.liu@intel.com/

We noticed this commit has been merged to linux-next, and we caught
several failed mdadm tests on it, while its parent commit is clean, so
we report again FYI and Cc linux-raid, thanks.


=========================================================================================
tbox_group/testcase/rootfs/kconfig/compiler/disk:
  lkp-hsw-d05/mdadm-selftests/debian-11.1-x86_64-20220510.cgz/x86_64-rhel-8.3-func/gcc-11/1HDD

commit:
  180b04d450a71 ("blk-cgroup: remove the !bdi->dev check in blkg_dev_name")
  84d7d462b16dd ("blk-cgroup: pin the gendisk in struct blkcg_gq")

180b04d450a71372 84d7d462b16dd5f0bf7c7ca9254
---------------- ---------------------------
       fail:runs  %reproduction    fail:runs
           |             |             |
           :6          100%           6:6     mdadm-selftests.03assem-incr.fail
           :6          100%           6:6     mdadm-selftests.03r5assem-failed.fail
           :6          100%           6:6     mdadm-selftests.04r1update.fail
           :6          100%           6:6     mdadm-selftests.04update-uuid.fail
           :6           33%           2:2     mdadm-selftests.06name.fail
           :6           33%           2:2     mdadm-selftests.06wrmostly.fail
           :6           33%           2:2     mdadm-selftests.02r1add.fail
           :6           33%           2:2     mdadm-selftests.02r1grow.fail
           :6           33%           2:2     mdadm-selftests.02r5grow.fail
           :6           33%           2:2     mdadm-selftests.02r6grow.fail


commit: 84d7d462b16dd5f0bf7c7ca9254bf81db2c952a2 ("blk-cgroup: pin the gendisk in struct blkcg_gq")
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master

in testcase: mdadm-selftests
version: mdadm-selftests-x86_64-5f41845-1_20220826

	disk: 1HDD
	test_prefix: 03

on test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4790T CPU @ 2.70GHz (Haswell) with 16G memory

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


[  128.373618][ T1704] loop0: detected capacity change from 0 to 40000
[  128.571618][ T1713] loop1: detected capacity change from 0 to 40000
[  128.767468][ T1718] loop2: detected capacity change from 0 to 40000
[  128.965651][ T1723] loop3: detected capacity change from 0 to 40000
[  129.163065][ T1728] loop4: detected capacity change from 0 to 40000
[  129.366600][ T1733] loop5: detected capacity change from 0 to 40000
[  129.566630][ T1741] loop6: detected capacity change from 0 to 40000
[  129.764382][ T1746] loop7: detected capacity change from 0 to 40000
[  130.326896][ T1751] loop8: detected capacity change from 0 to 131072
[  130.898545][ T1759] loop9: detected capacity change from 0 to 131072
[  131.469675][ T1764] loop10: detected capacity change from 0 to 131072
[  132.038384][ T1772] loop11: detected capacity change from 0 to 131072
[  132.603489][ T1780] loop12: detected capacity change from 0 to 131072
[  133.173539][ T1785] loop13: detected capacity change from 0 to 131072
[  133.192944][  T282] Testing on linux-6.2.0-rc6-00077-g84d7d462b16d kernel
[  133.192955][  T282] 
[  133.537132][  T282] /lkp/benchmarks/mdadm-selftests/tests/03r5assem-failed... FAILED - see /var/tmp/03r5assem-failed.log and /var/tmp/fail03r5assem-failed.log for details
[  133.537141][  T282] 


(03r5assem-failed.log is attached)


If you fix the issue, kindly add following tag
| Reported-by: kernel test robot <yujie.liu@...el.com>
| Link: https://lore.kernel.org/oe-lkp/202302081333.13878a2e-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.


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

View attachment "config-6.2.0-rc6-00077-g84d7d462b16d" of type "text/plain" (172226 bytes)

View attachment "job-script" of type "text/plain" (5701 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (29268 bytes)

View attachment "mdadm-selftests" of type "text/plain" (1970 bytes)

View attachment "job.yaml" of type "text/plain" (4904 bytes)

View attachment "reproduce" of type "text/plain" (97 bytes)

View attachment "03r5assem-failed.log" of type "text/plain" (3031 bytes)