Re: [md] e1a86dbbbd: mdadm-selftests.enchmarks/mdadm-selftests/tests/07layouts.fail

[Junxiao Bi]

This issue had been fixed. I send the following patch in another thread. 
Please take a look. Thank you.

[PATCH] md: get sysfs entry after redundancy attr group create

Thanks,

Junxiao.

On 8/3/20 9:00 AM, Junxiao Bi wrote:
> Hi Song,
>
> I am working on setup an env to reproduce, will update soon.
>
> Thanks,
>
> Junxiao.
>
> On 8/2/20 10:52 PM, Song Liu wrote:
> > > On Jul 29, 2020, at 2:04 AM, kernel test robot 
> > > <rong.a.chen@xxxxxxxxx> wrote:
> > >
> > > Greeting,
> > >
> > > FYI, we noticed the following commit (built with gcc-9):
> > >
> > > commit: e1a86dbbbd6a77f73c3d099030495fa31f181e2f ("md: fix deadlock 
> > > causing by sysfs_notify")
> > > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
> > >
> > >
> > > in testcase: mdadm-selftests
> > > with following parameters:
> > >
> > >     disk: 1HDD
> > >     test_prefix: 07layout
> > >     ucode: 0x21
> > >
> > >
> > >
> > > on test machine: 4 threads Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz 
> > > with 4G 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 <rong.a.chen@xxxxxxxxx>
> > >
> > >
> > >
> > > 2020-07-29 01:06:34 mkdir -p /var/tmp
> > > 2020-07-29 01:06:34 mke2fs -t ext3 -b 4096 -J size=4 -q /dev/sda3
> > > 2020-07-29 01:07:36 mount -t ext3 /dev/sda3 /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-5.8.0-rc4-00129-ge1a86dbbbd6a7 kernel
> > > /lkp/benchmarks/mdadm-selftests/tests/07layouts... FAILED - see 
> > > /var/tmp/07layouts.log and /var/tmp/fail07layouts.log for details
> > > 07layouts TIMEOUT
> > >
> > >
> > >
> > > 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 run     job.yaml
> > >
> > >
> > >
> > > Thanks,
> > > Rong Chen
> > >
> > > <config-5.8.0-rc4-00129-ge1a86dbbbd6a7><job-script.txt><kmsg.xz><mdadm-selftests.txt><job.yaml><reproduce.txt><07layouts.log> 
> > Hi Junxiao,
> >
> > Could you please look into this issue?
> >
> > Thanks,
> > Song