linux-kernel - [ext4] 21175ca434: mdadm-selftests.enchmarks/mdadm-selftests/tests/01r1fail.fail

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Date:   Tue, 31 Aug 2021 13:26:17 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Harshad Shirwadkar <harshadshirwadkar@...il.com>
Cc:     Theodore Ts'o <tytso@....edu>, LKML <linux-kernel@...r.kernel.org>,
        lkp@...ts.01.org, lkp@...el.com
Subject: [ext4]  21175ca434:
 mdadm-selftests.enchmarks/mdadm-selftests/tests/01r1fail.fail



Greeting,

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

commit: 21175ca434c5d49509b73cf473618b01b0b85437 ("ext4: make prefetch_block_bitmaps default")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master


in testcase: mdadm-selftests
version: mdadm-selftests-x86_64-5d518de-1_20201008
with following parameters:

	disk: 1HDD
	test_prefix: 01r1
	ucode: 0x21



on test machine: 4 threads 1 sockets Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz with 8G 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>

2021-04-26 16:59:25 mkdir -p /var/tmp
2021-04-26 16:59:25 mke2fs -t ext3 -b 4096 -J size=4 -q /dev/sda2
2021-04-26 17:00:21 mount -t ext3 /dev/sda2 /var/tmp
sed -e 's/{DEFAULT_METADATA}/1.2/g' \
-e 's,{MAP_PATH},/run/mdadm/map,g'  mdadm.8.in > mdadm.8
/usr/bin/install -D -m 644 mdadm.8 /usr/share/man/man8/mdadm.8
/usr/bin/install -D -m 644 mdmon.8 /usr/share/man/man8/mdmon.8
/usr/bin/install -D -m 644 md.4 /usr/share/man/man4/md.4
/usr/bin/install -D -m 644 mdadm.conf.5 /usr/share/man/man5/mdadm.conf.5
/usr/bin/install -D -m 644 udev-md-raid-creating.rules /lib/udev/rules.d/01-md-raid-creating.rules
/usr/bin/install -D -m 644 udev-md-raid-arrays.rules /lib/udev/rules.d/63-md-raid-arrays.rules
/usr/bin/install -D -m 644 udev-md-raid-assembly.rules /lib/udev/rules.d/64-md-raid-assembly.rules
/usr/bin/install -D -m 644 udev-md-clustered-confirm-device.rules /lib/udev/rules.d/69-md-clustered-confirm-device.rules
/usr/bin/install -D  -m 755 mdadm /sbin/mdadm
/usr/bin/install -D  -m 755 mdmon /sbin/mdmon
Testing on linux-5.12.0-rc4-00017-g21175ca434c5 kernel
/lkp/benchmarks/mdadm-selftests/tests/01r1fail... FAILED - see /var/tmp/01r1fail.log and /var/tmp/fail01r1fail.log for details



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 "job-script" of type "text/plain" (5941 bytes)

Download attachment "kmsg.xz" of type "application/x-xz" (18256 bytes)

View attachment "mdadm-selftests" of type "text/plain" (1196 bytes)

View attachment "job.yaml" of type "text/plain" (5043 bytes)

View attachment "reproduce" of type "text/plain" (98 bytes)