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Date: Tue, 21 May 2024 11:01:56 +0800
From: Oliver Sang <oliver.sang@intel.com>
To: Yu Kuai <yukuai1@huaweicloud.com>
CC: <oe-lkp@lists.linux.dev>, <lkp@intel.com>, <linux-raid@vger.kernel.org>,
	<agk@redhat.com>, <snitzer@kernel.org>, <mpatocka@redhat.com>,
	<song@kernel.org>, <xni@redhat.com>, <dm-devel@lists.linux.dev>,
	<linux-kernel@vger.kernel.org>, <yi.zhang@huawei.com>,
	<yangerkun@huawei.com>, "yukuai (C)" <yukuai3@huawei.com>
Subject: Re: [PATCH md-6.10 5/9] md: replace sysfs api sync_action with new
 helpers
Message-ID: <ZkwOpD8rjYeb+4eT@xsang-OptiPlex-9020>
References: <202405202204.4e3dc662-oliver.sang@intel.com>
 <c9406496-7b97-a3c5-b48c-32f8248cee39@huaweicloud.com>
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hi, Yu Kuai,

On Tue, May 21, 2024 at 10:20:54AM +0800, Yu Kuai wrote:
> Hi,
> 
> 在 2024/05/20 23:01, kernel test robot 写道:
> > 
> > 
> > Hello,
> > 
> > kernel test robot noticed "mdadm-selftests.07reshape5intr.fail" on:
> > 
> > commit: 18effaab5f57ef44763e537c782f905e06f6c4f5 ("[PATCH md-6.10 5/9] md: replace sysfs api sync_action with new helpers")
> > url: https://github.com/intel-lab-lkp/linux/commits/Yu-Kuai/md-rearrange-recovery_flage/20240509-093248
> > base: https://git.kernel.org/cgit/linux/kernel/git/device-mapper/linux-dm.git for-next
> > patch link: https://lore.kernel.org/all/20240509011900.2694291-6-yukuai1@huaweicloud.com/
> > patch subject: [PATCH md-6.10 5/9] md: replace sysfs api sync_action with new helpers
> > 
> > in testcase: mdadm-selftests
> > version: mdadm-selftests-x86_64-5f41845-1_20240412
> > with following parameters:
> > 
> > 	disk: 1HDD
> > 	test_prefix: 07reshape5intr
> > 
> > 
> > 
> > compiler: gcc-13
> > test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4790T CPU @ 2.70GHz (Haswell) with 16G memory
> > 
> > (please refer to attached dmesg/kmsg for entire log/backtrace)
> > 
> > 
> > 
> > 
> > If you fix the issue in a separate patch/commit (i.e. not just a new version of
> > the same patch/commit), kindly add following tags
> > | Reported-by: kernel test robot <oliver.sang@intel.com>
> > | Closes: https://lore.kernel.org/oe-lkp/202405202204.4e3dc662-oliver.sang@intel.com
> > 
> > 2024-05-14 21:36:26 mkdir -p /var/tmp
> > 2024-05-14 21:36:26 mke2fs -t ext3 -b 4096 -J size=4 -q /dev/sda1
> > 2024-05-14 21:36:57 mount -t ext3 /dev/sda1 /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-6.9.0-rc2-00012-g18effaab5f57 kernel
> > /lkp/benchmarks/mdadm-selftests/tests/07reshape5intr... FAILED - see /var/tmp/07reshape5intr.log and /var/tmp/fail07reshape5intr.log for detail
> [root@fedora mdadm]# ./test --dev=loop --tests=07reshape5intr
> test: skipping tests for multipath, which is removed in upstream 6.8+
> kernels
> test: skipping tests for linear, which is removed in upstream 6.8+ kernels
> Testing on linux-6.9.0-rc2-00023-gf092583596a2 kernel
> /root/mdadm/tests/07reshape5intr... FAILED - see /var/tmp/07reshape5intr.log
> and /var/tmp/fail07reshape5intr.log for details
>   (KNOWN BROKEN TEST: always fails)
> 
> So, since this test is marked BROKEN.
> 
> Please share the whole log, and is it possible to share the two logs?


we only captured one log as attached log-18effaab5f.
also attached parent log FYI.


> 
> Thanks,
> Kuai
> 
> > 
> > 
> > 
> > The kernel config and materials to reproduce are available at:
> > https://download.01.org/0day-ci/archive/20240520/202405202204.4e3dc662-oliver.sang@intel.com
> > 
> > 
> > 
> 

--f8HxJDUHT0YS5Psl
Content-Type: text/plain; charset="us-ascii"
Content-Disposition: attachment; filename="log-18effaab5f"

+ . /lkp/benchmarks/mdadm-selftests/tests/07reshape5intr
++ set -x
++ devs=/dev/loop1
++ st=UU
++ for disks in 2 3 4 5
++ eval 'devs="/dev/loop1' '$dev2"'
+++ devs='/dev/loop1 /dev/loop2'
++ st=UUU
++ for d in $devs
++ dd if=/dev/urandom of=/dev/loop1 bs=1024
dd: error writing '/dev/loop1': No space left on device
20001+0 records in
20000+0 records out
20480000 bytes (20 MB, 20 MiB) copied, 0.909885 s, 22.5 MB/s
++ true
++ for d in $devs
++ dd if=/dev/urandom of=/dev/loop2 bs=1024
dd: error writing '/dev/loop2': No space left on device
20001+0 records in
20000+0 records out
20480000 bytes (20 MB, 20 MiB) copied, 0.633683 s, 32.3 MB/s
++ true
++ case $disks in
++ chunk=1024
++ mdadm -CR /dev/md0 -amd -l5 -c 1024 -n2 --assume-clean /dev/loop1 /dev/loop2
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ for args in $*
++ [[ -CR =~ /dev/ ]]
++ for args in $*
++ [[ /dev/md0 =~ /dev/ ]]
++ [[ /dev/md0 =~ md ]]
++ for args in $*
++ [[ -amd =~ /dev/ ]]
++ for args in $*
++ [[ -l5 =~ /dev/ ]]
++ for args in $*
++ [[ -c =~ /dev/ ]]
++ for args in $*
++ [[ 1024 =~ /dev/ ]]
++ for args in $*
++ [[ -n2 =~ /dev/ ]]
++ for args in $*
++ [[ --assume-clean =~ /dev/ ]]
++ for args in $*
++ [[ /dev/loop1 =~ /dev/ ]]
++ [[ /dev/loop1 =~ md ]]
++ /lkp/benchmarks/mdadm-selftests/mdadm --zero /dev/loop1
mdadm: Unrecognised md component device - /dev/loop1
++ for args in $*
++ [[ /dev/loop2 =~ /dev/ ]]
++ [[ /dev/loop2 =~ md ]]
++ /lkp/benchmarks/mdadm-selftests/mdadm --zero /dev/loop2
mdadm: Unrecognised md component device - /dev/loop2
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet -CR /dev/md0 -amd -l5 -c 1024 -n2 --assume-clean /dev/loop1 /dev/loop2 --auto=yes
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
++ return 0
++ mdadm /dev/md0 --add /dev/loop6
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet /dev/md0 --add /dev/loop6
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
++ return 0
++ echo 20
++ echo 20
++ mdadm --grow /dev/md0 -n 3
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet --grow /dev/md0 -n 3
++ rv=1
++ case $* in
++ cat /var/tmp/stderr
mdadm: Failed to initiate reshape!
++ return 1
++ check reshape
++ case $1 in
++ cnt=5
++ grep -sq reshape /proc/mdstat
++ '[' 5 -gt 0 ']'
++ grep -v idle /sys/block/md0/md/sync_action
++ die 'no reshape happening'
++ echo -e '\n\tERROR: no reshape happening \n'

	ERROR: no reshape happening 

++ save_log fail
++ status=fail
++ logfile=fail07reshape5intr.log
++ cat /var/tmp/stderr
++ cp /var/tmp/log /var/tmp/07reshape5intr.log
++ echo '## lkp-hsw-d05: saving dmesg.'
++ dmesg -c
++ echo '## lkp-hsw-d05: saving proc mdstat.'
++ cat /proc/mdstat
++ array=($(mdadm -Ds | cut -d' ' -f2))
+++ mdadm -Ds
+++ rm -f /var/tmp/stderr
+++ cut '-d ' -f2
+++ case $* in
+++ case $* in
+++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet -Ds
+++ rv=0
+++ case $* in
+++ cat /var/tmp/stderr
+++ return 0
++ '[' fail == fail ']'
++ echo 'FAILED - see /var/tmp/07reshape5intr.log and /var/tmp/fail07reshape5intr.log for details'
FAILED - see /var/tmp/07reshape5intr.log and /var/tmp/fail07reshape5intr.log for details
++ '[' loop == lvm ']'
++ '[' loop == loop -o loop == disk ']'
++ '[' '!' -z /dev/md0 -a 1 -ge 1 ']'
++ echo '## lkp-hsw-d05: mdadm -D /dev/md0'
++ /lkp/benchmarks/mdadm-selftests/mdadm -D /dev/md0
++ cat /proc/mdstat
++ grep -q 'linear\|external'
++ md_disks=($($mdadm -D -Y ${array[@]} | grep "/dev/" | cut -d'=' -f2))
+++ /lkp/benchmarks/mdadm-selftests/mdadm -D -Y /dev/md0
+++ grep /dev/
+++ cut -d= -f2
++ cat /proc/mdstat
++ grep -q bitmap
++ '[' 1 -eq 0 ']'
++ exit 2

--f8HxJDUHT0YS5Psl
Content-Type: text/plain; charset="us-ascii"
Content-Disposition: attachment; filename="log-parent"

+ . /lkp/benchmarks/mdadm-selftests/tests/07reshape5intr
++ set -x
++ devs=/dev/loop1
++ st=UU
++ for disks in 2 3 4 5
++ eval 'devs="/dev/loop1' '$dev2"'
+++ devs='/dev/loop1 /dev/loop2'
++ st=UUU
++ for d in $devs
++ dd if=/dev/urandom of=/dev/loop1 bs=1024
dd: error writing '/dev/loop1': No space left on device
20001+0 records in
20000+0 records out
20480000 bytes (20 MB, 20 MiB) copied, 0.860819 s, 23.8 MB/s
++ true
++ for d in $devs
++ dd if=/dev/urandom of=/dev/loop2 bs=1024
dd: error writing '/dev/loop2': No space left on device
20001+0 records in
20000+0 records out
20480000 bytes (20 MB, 20 MiB) copied, 0.648983 s, 31.6 MB/s
++ true
++ case $disks in
++ chunk=1024
++ mdadm -CR /dev/md0 -amd -l5 -c 1024 -n2 --assume-clean /dev/loop1 /dev/loop2
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ for args in $*
++ [[ -CR =~ /dev/ ]]
++ for args in $*
++ [[ /dev/md0 =~ /dev/ ]]
++ [[ /dev/md0 =~ md ]]
++ for args in $*
++ [[ -amd =~ /dev/ ]]
++ for args in $*
++ [[ -l5 =~ /dev/ ]]
++ for args in $*
++ [[ -c =~ /dev/ ]]
++ for args in $*
++ [[ 1024 =~ /dev/ ]]
++ for args in $*
++ [[ -n2 =~ /dev/ ]]
++ for args in $*
++ [[ --assume-clean =~ /dev/ ]]
++ for args in $*
++ [[ /dev/loop1 =~ /dev/ ]]
++ [[ /dev/loop1 =~ md ]]
++ /lkp/benchmarks/mdadm-selftests/mdadm --zero /dev/loop1
mdadm: Unrecognised md component device - /dev/loop1
++ for args in $*
++ [[ /dev/loop2 =~ /dev/ ]]
++ [[ /dev/loop2 =~ md ]]
++ /lkp/benchmarks/mdadm-selftests/mdadm --zero /dev/loop2
mdadm: Unrecognised md component device - /dev/loop2
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet -CR /dev/md0 -amd -l5 -c 1024 -n2 --assume-clean /dev/loop1 /dev/loop2 --auto=yes
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
++ return 0
++ mdadm /dev/md0 --add /dev/loop6
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet /dev/md0 --add /dev/loop6
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
++ return 0
++ echo 20
++ echo 20
++ mdadm --grow /dev/md0 -n 3
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet --grow /dev/md0 -n 3
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
++ return 0
++ check reshape
++ case $1 in
++ cnt=5
++ grep -sq reshape /proc/mdstat
++ '[' 5 -gt 0 ']'
++ grep -v idle /sys/block/md0/md/sync_action
++ sleep 0.5
++ cnt=4
++ grep -sq reshape /proc/mdstat
++ check state UUU
++ case $1 in
++ grep -sq 'blocks.*\[UUU\]$' /proc/mdstat
++ sleep 0.5
++ mdadm --stop /dev/md0
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet --stop /dev/md0
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
++ return 0
++ mdadm --assemble /dev/md0 /dev/loop1 /dev/loop2 /dev/loop6
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet --assemble /dev/md0 /dev/loop1 /dev/loop2 /dev/loop6
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
++ return 0
++ check reshape
++ case $1 in
++ cnt=5
++ grep -sq reshape /proc/mdstat
++ echo 1000
++ echo 2000
++ check wait
++ case $1 in
+++ cat /proc/sys/dev/raid/speed_limit_max
++ p=2000
++ echo 2000000
++ sleep 0.1
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ grep -v idle /sys/block/md0/md/sync_action
++ echo 2000
++ echo check
++ check wait
++ case $1 in
+++ cat /proc/sys/dev/raid/speed_limit_max
++ p=2000
++ echo 2000000
++ sleep 0.1
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ grep -v idle /sys/block/md0/md/sync_action
++ echo 2000
+++ cat /sys/block/md0/md/mismatch_cnt
++ mm=0
++ '[' 0 -gt 0 ']'
++ mdadm -S /dev/md0
++ rm -f /var/tmp/stderr
++ case $* in
++ udevadm settle
+++ cat /proc/sys/dev/raid/speed_limit_max
++ p=2000
++ echo 20000
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet -S /dev/md0
++ rv=0
++ case $* in
++ udevadm settle
++ echo 2000
++ cat /var/tmp/stderr
++ return 0
++ for disks in 2 3 4 5
++ eval 'devs="/dev/loop1' /dev/loop2 '$dev3"'
+++ devs='/dev/loop1 /dev/loop2 /dev/loop3'
++ st=UUUU
++ for d in $devs
++ dd if=/dev/urandom of=/dev/loop1 bs=1024
dd: error writing '/dev/loop1': No space left on device
20001+0 records in
20000+0 records out
20480000 bytes (20 MB, 20 MiB) copied, 0.430464 s, 47.6 MB/s
++ true
++ for d in $devs
++ dd if=/dev/urandom of=/dev/loop2 bs=1024
dd: error writing '/dev/loop2': No space left on device
20001+0 records in
20000+0 records out
20480000 bytes (20 MB, 20 MiB) copied, 0.44228 s, 46.3 MB/s
++ true
++ for d in $devs
++ dd if=/dev/urandom of=/dev/loop3 bs=1024
dd: error writing '/dev/loop3': No space left on device
20001+0 records in
20000+0 records out
20480000 bytes (20 MB, 20 MiB) copied, 0.442369 s, 46.3 MB/s
++ true
++ case $disks in
++ chunk=1024
++ mdadm -CR /dev/md0 -amd -l5 -c 1024 -n3 --assume-clean /dev/loop1 /dev/loop2 /dev/loop3
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ for args in $*
++ [[ -CR =~ /dev/ ]]
++ for args in $*
++ [[ /dev/md0 =~ /dev/ ]]
++ [[ /dev/md0 =~ md ]]
++ for args in $*
++ [[ -amd =~ /dev/ ]]
++ for args in $*
++ [[ -l5 =~ /dev/ ]]
++ for args in $*
++ [[ -c =~ /dev/ ]]
++ for args in $*
++ [[ 1024 =~ /dev/ ]]
++ for args in $*
++ [[ -n3 =~ /dev/ ]]
++ for args in $*
++ [[ --assume-clean =~ /dev/ ]]
++ for args in $*
++ [[ /dev/loop1 =~ /dev/ ]]
++ [[ /dev/loop1 =~ md ]]
++ /lkp/benchmarks/mdadm-selftests/mdadm --zero /dev/loop1
mdadm: Unrecognised md component device - /dev/loop1
++ for args in $*
++ [[ /dev/loop2 =~ /dev/ ]]
++ [[ /dev/loop2 =~ md ]]
++ /lkp/benchmarks/mdadm-selftests/mdadm --zero /dev/loop2
mdadm: Unrecognised md component device - /dev/loop2
++ for args in $*
++ [[ /dev/loop3 =~ /dev/ ]]
++ [[ /dev/loop3 =~ md ]]
++ /lkp/benchmarks/mdadm-selftests/mdadm --zero /dev/loop3
mdadm: Unrecognised md component device - /dev/loop3
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet -CR /dev/md0 -amd -l5 -c 1024 -n3 --assume-clean /dev/loop1 /dev/loop2 /dev/loop3 --auto=yes
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
++ return 0
++ mdadm /dev/md0 --add /dev/loop6
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet /dev/md0 --add /dev/loop6
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
++ return 0
++ echo 20
++ echo 20
++ mdadm --grow /dev/md0 -n 4
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet --grow /dev/md0 -n 4
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
mdadm: Need to backup 6144K of critical section..
++ return 0
++ check reshape
++ case $1 in
++ cnt=5
++ grep -sq reshape /proc/mdstat
++ '[' 5 -gt 0 ']'
++ grep -v idle /sys/block/md0/md/sync_action
++ sleep 0.5
++ cnt=4
++ grep -sq reshape /proc/mdstat
++ check state UUUU
++ case $1 in
++ grep -sq 'blocks.*\[UUUU\]$' /proc/mdstat
++ sleep 0.5
++ mdadm --stop /dev/md0
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet --stop /dev/md0
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
++ return 0
++ mdadm --assemble /dev/md0 /dev/loop1 /dev/loop2 /dev/loop3 /dev/loop6
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet --assemble /dev/md0 /dev/loop1 /dev/loop2 /dev/loop3 /dev/loop6
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
++ return 0
++ check reshape
++ case $1 in
++ cnt=5
++ grep -sq reshape /proc/mdstat
++ echo 1000
++ echo 2000
++ check wait
++ case $1 in
+++ cat /proc/sys/dev/raid/speed_limit_max
++ p=2000
++ echo 2000000
++ sleep 0.1
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ grep -v idle /sys/block/md0/md/sync_action
++ echo 2000
++ echo check
++ check wait
++ case $1 in
+++ cat /proc/sys/dev/raid/speed_limit_max
++ p=2000
++ echo 2000000
++ sleep 0.1
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ grep -v idle /sys/block/md0/md/sync_action
++ echo 2000
+++ cat /sys/block/md0/md/mismatch_cnt
++ mm=0
++ '[' 0 -gt 0 ']'
++ mdadm -S /dev/md0
++ rm -f /var/tmp/stderr
++ case $* in
++ udevadm settle
+++ cat /proc/sys/dev/raid/speed_limit_max
++ p=2000
++ echo 20000
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet -S /dev/md0
++ rv=0
++ case $* in
++ udevadm settle
++ echo 2000
++ cat /var/tmp/stderr
++ return 0
++ for disks in 2 3 4 5
++ eval 'devs="/dev/loop1' /dev/loop2 /dev/loop3 '$dev4"'
+++ devs='/dev/loop1 /dev/loop2 /dev/loop3 /dev/loop4'
++ st=UUUUU
++ for d in $devs
++ dd if=/dev/urandom of=/dev/loop1 bs=1024
dd: error writing '/dev/loop1': No space left on device
20001+0 records in
20000+0 records out
20480000 bytes (20 MB, 20 MiB) copied, 0.406947 s, 50.3 MB/s
++ true
++ for d in $devs
++ dd if=/dev/urandom of=/dev/loop2 bs=1024
dd: error writing '/dev/loop2': No space left on device
20001+0 records in
20000+0 records out
20480000 bytes (20 MB, 20 MiB) copied, 0.415534 s, 49.3 MB/s
++ true
++ for d in $devs
++ dd if=/dev/urandom of=/dev/loop3 bs=1024
dd: error writing '/dev/loop3': No space left on device
20001+0 records in
20000+0 records out
20480000 bytes (20 MB, 20 MiB) copied, 0.474736 s, 43.1 MB/s
++ true
++ for d in $devs
++ dd if=/dev/urandom of=/dev/loop4 bs=1024
dd: error writing '/dev/loop4': No space left on device
20001+0 records in
20000+0 records out
20480000 bytes (20 MB, 20 MiB) copied, 0.467228 s, 43.8 MB/s
++ true
++ case $disks in
++ chunk=512
++ mdadm -CR /dev/md0 -amd -l5 -c 512 -n4 --assume-clean /dev/loop1 /dev/loop2 /dev/loop3 /dev/loop4
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ for args in $*
++ [[ -CR =~ /dev/ ]]
++ for args in $*
++ [[ /dev/md0 =~ /dev/ ]]
++ [[ /dev/md0 =~ md ]]
++ for args in $*
++ [[ -amd =~ /dev/ ]]
++ for args in $*
++ [[ -l5 =~ /dev/ ]]
++ for args in $*
++ [[ -c =~ /dev/ ]]
++ for args in $*
++ [[ 512 =~ /dev/ ]]
++ for args in $*
++ [[ -n4 =~ /dev/ ]]
++ for args in $*
++ [[ --assume-clean =~ /dev/ ]]
++ for args in $*
++ [[ /dev/loop1 =~ /dev/ ]]
++ [[ /dev/loop1 =~ md ]]
++ /lkp/benchmarks/mdadm-selftests/mdadm --zero /dev/loop1
mdadm: Unrecognised md component device - /dev/loop1
++ for args in $*
++ [[ /dev/loop2 =~ /dev/ ]]
++ [[ /dev/loop2 =~ md ]]
++ /lkp/benchmarks/mdadm-selftests/mdadm --zero /dev/loop2
mdadm: Unrecognised md component device - /dev/loop2
++ for args in $*
++ [[ /dev/loop3 =~ /dev/ ]]
++ [[ /dev/loop3 =~ md ]]
++ /lkp/benchmarks/mdadm-selftests/mdadm --zero /dev/loop3
mdadm: Unrecognised md component device - /dev/loop3
++ for args in $*
++ [[ /dev/loop4 =~ /dev/ ]]
++ [[ /dev/loop4 =~ md ]]
++ /lkp/benchmarks/mdadm-selftests/mdadm --zero /dev/loop4
mdadm: Unrecognised md component device - /dev/loop4
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet -CR /dev/md0 -amd -l5 -c 512 -n4 --assume-clean /dev/loop1 /dev/loop2 /dev/loop3 /dev/loop4 --auto=yes
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
++ return 0
++ mdadm /dev/md0 --add /dev/loop6
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet /dev/md0 --add /dev/loop6
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
++ return 0
++ echo 20
++ echo 20
++ mdadm --grow /dev/md0 -n 5
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet --grow /dev/md0 -n 5
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
mdadm: Need to backup 6144K of critical section..
++ return 0
++ check reshape
++ case $1 in
++ cnt=5
++ grep -sq reshape /proc/mdstat
++ '[' 5 -gt 0 ']'
++ grep -v idle /sys/block/md0/md/sync_action
++ sleep 0.5
++ cnt=4
++ grep -sq reshape /proc/mdstat
++ check state UUUUU
++ case $1 in
++ grep -sq 'blocks.*\[UUUUU\]$' /proc/mdstat
++ sleep 0.5
++ mdadm --stop /dev/md0
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet --stop /dev/md0
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
++ return 0
++ mdadm --assemble /dev/md0 /dev/loop1 /dev/loop2 /dev/loop3 /dev/loop4 /dev/loop6
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet --assemble /dev/md0 /dev/loop1 /dev/loop2 /dev/loop3 /dev/loop4 /dev/loop6
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
++ return 0
++ check reshape
++ case $1 in
++ cnt=5
++ grep -sq reshape /proc/mdstat
++ echo 1000
++ echo 2000
++ check wait
++ case $1 in
+++ cat /proc/sys/dev/raid/speed_limit_max
++ p=2000
++ echo 2000000
++ sleep 0.1
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ grep -v idle /sys/block/md0/md/sync_action
++ echo 2000
++ echo check
++ check wait
++ case $1 in
+++ cat /proc/sys/dev/raid/speed_limit_max
++ p=2000
++ echo 2000000
++ sleep 0.1
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ grep -v idle /sys/block/md0/md/sync_action
++ echo 2000
+++ cat /sys/block/md0/md/mismatch_cnt
++ mm=0
++ '[' 0 -gt 0 ']'
++ mdadm -S /dev/md0
++ rm -f /var/tmp/stderr
++ case $* in
++ udevadm settle
+++ cat /proc/sys/dev/raid/speed_limit_max
++ p=2000
++ echo 20000
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet -S /dev/md0
++ rv=0
++ case $* in
++ udevadm settle
++ echo 2000
++ cat /var/tmp/stderr
++ return 0
++ for disks in 2 3 4 5
++ eval 'devs="/dev/loop1' /dev/loop2 /dev/loop3 /dev/loop4 '$dev5"'
+++ devs='/dev/loop1 /dev/loop2 /dev/loop3 /dev/loop4 /dev/loop5'
++ st=UUUUUU
++ for d in $devs
++ dd if=/dev/urandom of=/dev/loop1 bs=1024
dd: error writing '/dev/loop1': No space left on device
20001+0 records in
20000+0 records out
20480000 bytes (20 MB, 20 MiB) copied, 0.579398 s, 35.3 MB/s
++ true
++ for d in $devs
++ dd if=/dev/urandom of=/dev/loop2 bs=1024
dd: error writing '/dev/loop2': No space left on device
20001+0 records in
20000+0 records out
20480000 bytes (20 MB, 20 MiB) copied, 0.459501 s, 44.6 MB/s
++ true
++ for d in $devs
++ dd if=/dev/urandom of=/dev/loop3 bs=1024
dd: error writing '/dev/loop3': No space left on device
20001+0 records in
20000+0 records out
20480000 bytes (20 MB, 20 MiB) copied, 0.460076 s, 44.5 MB/s
++ true
++ for d in $devs
++ dd if=/dev/urandom of=/dev/loop4 bs=1024
dd: error writing '/dev/loop4': No space left on device
20001+0 records in
20000+0 records out
20480000 bytes (20 MB, 20 MiB) copied, 0.468438 s, 43.7 MB/s
++ true
++ for d in $devs
++ dd if=/dev/urandom of=/dev/loop5 bs=1024
dd: error writing '/dev/loop5': No space left on device
20001+0 records in
20000+0 records out
20480000 bytes (20 MB, 20 MiB) copied, 0.443522 s, 46.2 MB/s
++ true
++ case $disks in
++ chunk=256
++ mdadm -CR /dev/md0 -amd -l5 -c 256 -n5 --assume-clean /dev/loop1 /dev/loop2 /dev/loop3 /dev/loop4 /dev/loop5
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ for args in $*
++ [[ -CR =~ /dev/ ]]
++ for args in $*
++ [[ /dev/md0 =~ /dev/ ]]
++ [[ /dev/md0 =~ md ]]
++ for args in $*
++ [[ -amd =~ /dev/ ]]
++ for args in $*
++ [[ -l5 =~ /dev/ ]]
++ for args in $*
++ [[ -c =~ /dev/ ]]
++ for args in $*
++ [[ 256 =~ /dev/ ]]
++ for args in $*
++ [[ -n5 =~ /dev/ ]]
++ for args in $*
++ [[ --assume-clean =~ /dev/ ]]
++ for args in $*
++ [[ /dev/loop1 =~ /dev/ ]]
++ [[ /dev/loop1 =~ md ]]
++ /lkp/benchmarks/mdadm-selftests/mdadm --zero /dev/loop1
mdadm: Unrecognised md component device - /dev/loop1
++ for args in $*
++ [[ /dev/loop2 =~ /dev/ ]]
++ [[ /dev/loop2 =~ md ]]
++ /lkp/benchmarks/mdadm-selftests/mdadm --zero /dev/loop2
mdadm: Unrecognised md component device - /dev/loop2
++ for args in $*
++ [[ /dev/loop3 =~ /dev/ ]]
++ [[ /dev/loop3 =~ md ]]
++ /lkp/benchmarks/mdadm-selftests/mdadm --zero /dev/loop3
mdadm: Unrecognised md component device - /dev/loop3
++ for args in $*
++ [[ /dev/loop4 =~ /dev/ ]]
++ [[ /dev/loop4 =~ md ]]
++ /lkp/benchmarks/mdadm-selftests/mdadm --zero /dev/loop4
mdadm: Unrecognised md component device - /dev/loop4
++ for args in $*
++ [[ /dev/loop5 =~ /dev/ ]]
++ [[ /dev/loop5 =~ md ]]
++ /lkp/benchmarks/mdadm-selftests/mdadm --zero /dev/loop5
mdadm: Unrecognised md component device - /dev/loop5
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet -CR /dev/md0 -amd -l5 -c 256 -n5 --assume-clean /dev/loop1 /dev/loop2 /dev/loop3 /dev/loop4 /dev/loop5 --auto=yes
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
++ return 0
++ mdadm /dev/md0 --add /dev/loop6
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet /dev/md0 --add /dev/loop6
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
++ return 0
++ echo 20
++ echo 20
++ mdadm --grow /dev/md0 -n 6
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet --grow /dev/md0 -n 6
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
mdadm: Need to backup 5120K of critical section..
++ return 0
++ check reshape
++ case $1 in
++ cnt=5
++ grep -sq reshape /proc/mdstat
++ '[' 5 -gt 0 ']'
++ grep -v idle /sys/block/md0/md/sync_action
++ sleep 0.5
++ cnt=4
++ grep -sq reshape /proc/mdstat
++ check state UUUUUU
++ case $1 in
++ grep -sq 'blocks.*\[UUUUUU\]$' /proc/mdstat
++ sleep 0.5
++ mdadm --stop /dev/md0
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet --stop /dev/md0
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
++ return 0
++ mdadm --assemble /dev/md0 /dev/loop1 /dev/loop2 /dev/loop3 /dev/loop4 /dev/loop5 /dev/loop6
++ rm -f /var/tmp/stderr
++ case $* in
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet --assemble /dev/md0 /dev/loop1 /dev/loop2 /dev/loop3 /dev/loop4 /dev/loop5 /dev/loop6
mdadm: restoring critical section
++ rv=0
++ case $* in
++ cat /var/tmp/stderr
++ return 0
++ check reshape
++ case $1 in
++ cnt=5
++ grep -sq reshape /proc/mdstat
++ echo 1000
++ echo 2000
++ check wait
++ case $1 in
+++ cat /proc/sys/dev/raid/speed_limit_max
++ p=2000
++ echo 2000000
++ sleep 0.1
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ grep -v idle /sys/block/md0/md/sync_action
++ echo 2000
++ echo check
++ check wait
++ case $1 in
+++ cat /proc/sys/dev/raid/speed_limit_max
++ p=2000
++ echo 2000000
++ sleep 0.1
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ sleep 0.5
++ grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat
++ grep -v idle /sys/block/md0/md/sync_action
++ echo 2000
+++ cat /sys/block/md0/md/mismatch_cnt
++ mm=0
++ '[' 0 -gt 0 ']'
++ mdadm -S /dev/md0
++ rm -f /var/tmp/stderr
++ case $* in
++ udevadm settle
+++ cat /proc/sys/dev/raid/speed_limit_max
++ p=2000
++ echo 20000
++ case $* in
++ /lkp/benchmarks/mdadm-selftests/mdadm --quiet -S /dev/md0
++ rv=0
++ case $* in
++ udevadm settle
++ echo 2000
++ cat /var/tmp/stderr
++ return 0

--f8HxJDUHT0YS5Psl--