Message-ID: <CAMz9Wg8kanG=2g6Y8TVcB7-=O8MgXrjgJ0YCewqa0cM51nXf=g@mail.gmail.com>
Date:   Tue, 22 Aug 2023 09:39:03 +0800
From:   AceLan Kao <acelan@...il.com>
To:     Yu Kuai <yukuai1@...weicloud.com>
Cc:     Bagas Sanjaya <bagasdotme@...il.com>,
        Christoph Hellwig <hch@....de>, Song Liu <song@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Regressions <regressions@...ts.linux.dev>,
        Linux RAID <linux-raid@...r.kernel.org>,
        "yukuai (C)" <yukuai3@...wei.com>
Subject: Re: Fwd: Infiniate systemd loop when power off the machine with
 multiple MD RAIDs

Yu Kuai <yukuai1@...weicloud.com> 於 2023年8月21日 週一 下午9:18寫道：
>
> Hi,
>
> 在 2023/08/16 17:37, Bagas Sanjaya 写道:
> > Hi,
> >
> > I notice a regression report on Bugzilla [1]. Quoting from it:
> >
> >> It needs to build at least 2 different RAIDs(eg. RAID0 and RAID10, RAID5 and RAID10) and then you will see below error repeatly(need to use serial console to see it)
> >>
> >> [ 205.360738] systemd-shutdown[1]: Stopping MD devices.
> >> [ 205.366384] systemd-shutdown[1]: sd-device-enumerator: Scan all dirs
> >> [ 205.373327] systemd-shutdown[1]: sd-device-enumerator: Scanning /sys/bus
> >> [ 205.380427] systemd-shutdown[1]: sd-device-enumerator: Scanning /sys/class
> >> [ 205.388257] systemd-shutdown[1]: Stopping MD /dev/md127 (9:127).
> >> [ 205.394880] systemd-shutdown[1]: Failed to sync MD block device /dev/md127, ignoring: Input/output error
> >> [ 205.404975] md: md127 stopped.
> >> [ 205.470491] systemd-shutdown[1]: Stopping MD /dev/md126 (9:126).
> >> [ 205.770179] md: md126: resync interrupted.
> >> [ 205.776258] md126: detected capacity change from 1900396544 to 0
> >> [ 205.783349] md: md126 stopped.
> >> [ 205.862258] systemd-shutdown[1]: Stopping MD /dev/md125 (9:125).
> >> [ 205.862435] md: md126 stopped.
> >> [ 205.868376] systemd-shutdown[1]: Failed to sync MD block device /dev/md125, ignoring: Input/output error
> >> [ 205.872845] block device autoloading is deprecated and will be removed.
> >> [ 205.880955] md: md125 stopped.
> >> [ 205.934349] systemd-shutdown[1]: Stopping MD /dev/md124p2 (259:7).
> >> [ 205.947707] systemd-shutdown[1]: Could not stop MD /dev/md124p2: Device or resource busy
> >> [ 205.957004] systemd-shutdown[1]: Stopping MD /dev/md124p1 (259:6).
> >> [ 205.964177] systemd-shutdown[1]: Could not stop MD /dev/md124p1: Device or resource busy
> >> [ 205.973155] systemd-shutdown[1]: Stopping MD /dev/md124 (9:124).
> >> [ 205.979789] systemd-shutdown[1]: Could not stop MD /dev/md124: Device or resource busy
> >> [ 205.988475] systemd-shutdown[1]: Not all MD devices stopped, 4 left.
>
> Without the problem, did the log complain about this?
>
> Could not stop MD...Device or resource busy
>
> Thanks,
> Kuai
>
> >
> > See Bugzilla for the full thread and attached full journalctl log.
> >
> > Anyway, I'm adding this regression to be tracked by regzbot:
> >
> > #regzbot introduced: 12a6caf273240a https://bugzilla.kernel.org/show_bug.cgi?id=217798
> > #regzbot title: systemd shutdown hang on machine with different RAID levels
> >
> > Thanks.
> >
> > [1]: https://bugzilla.kernel.org/show_bug.cgi?id=217798
> >
>
Hi Yu,

Everything looks normal.
I can see the MD raids stop without any warning/error messages.

$ sudo journalctl -b -2 -k -o short-monotonic | egrep md[0-9]+
[   13.418154] u-Precision-7960-Tower kernel: md/raid10:md125: active
with 4 out of 4 devices
[   13.424050] u-Precision-7960-Tower kernel: md125: detected capacity
change from 0 to 1900396544
[   13.525198] u-Precision-7960-Tower kernel: md123: detected capacity
change from 0 to 1900396544
[   13.576770] u-Precision-7960-Tower kernel: md122: detected capacity
change from 0 to 1900417024
[   13.585705] u-Precision-7960-Tower kernel:  md122: p1 p2 p3
[   14.323717] u-Precision-7960-Tower kernel: EXT4-fs (md122p3):
mounted filesystem 6d53dc8e-3f45-4efa-bc0e-4af477fac217 ro with
ordered data mode. Quota mode: none.
[   14.814365] u-Precision-7960-Tower systemd-gpt-auto-generator[587]:
md122p3: Root device /dev/md122.
[   14.829064] u-Precision-7960-Tower kernel: block md122: the
capability attribute has been deprecated.
[   18.133316] u-Precision-7960-Tower systemd[1]:
unit_file_build_name_map: normal unit file:
/lib/systemd/system/casper-md5check.service
[   20.609948] u-Precision-7960-Tower kernel: EXT4-fs (md122p3):
re-mounted 6d53dc8e-3f45-4efa-bc0e-4af477fac217 r/w. Quota mode: none.
[   39.161554] u-Precision-7960-Tower kernel: md: requested-resync of
RAID array md125
[   77.344788] u-Precision-7960-Tower systemd[1]: Got message
type=signal sender=org.freedesktop.DBus
destination=org.freedesktop.systemd1 path=/org/freedesktop/DBus int
erface=org.freedesktop.systemd1.Activator member=ActivationRequest
cookie=89 reply_cookie=0 signature=s error-name=n/a error-message=n/a
[   77.736790] u-Precision-7960-Tower systemd[1]: Sent message
type=signal sender=n/a destination=n/a path=/org/freedesktop/systemd1
interface=org.freedesktop.systemd1.M
anager member=UnitNew cookie=716 reply_cookie=0 signature=so
error-name=n/a error-message=n/a
[   77.772791] u-Precision-7960-Tower systemd[1]: Sent message
type=signal sender=n/a destination=n/a path=/org/freedesktop/systemd1
interface=org.freedesktop.systemd1.M
anager member=UnitRemoved cookie=717 reply_cookie=0 signature=so
error-name=n/a error-message=n/a
[   77.808791] u-Precision-7960-Tower systemd[1]: Sent message
type=signal sender=n/a destination=n/a path=/org/freedesktop/systemd1
interface=org.freedesktop.systemd1.M
anager member=UnitNew cookie=718 reply_cookie=0 signature=so
error-name=n/a error-message=n/a
[   77.844795] u-Precision-7960-Tower systemd[1]: Sent message
type=signal sender=n/a destination=n/a path=/org/freedesktop/systemd1
interface=org.freedesktop.systemd1.M
anager member=UnitRemoved cookie=719 reply_cookie=0 signature=so
error-name=n/a error-message=n/a
[   77.880866] u-Precision-7960-Tower systemd[1]: Sent message
type=signal sender=n/a destination=n/a path=/org/freedesktop/systemd1
interface=org.freedesktop.systemd1.M
anager member=UnitNew cookie=720 reply_cookie=0 signature=so
error-name=n/a error-message=n/a
[   77.916817] u-Precision-7960-Tower systemd[1]: Sent message
type=signal sender=n/a destination=n/a path=/org/freedesktop/systemd1
interface=org.freedesktop.systemd1.M
anager member=JobNew cookie=721 reply_cookie=0 signature=uos
error-name=n/a error-message=n/a
[   79.072786] u-Precision-7960-Tower systemd[1]: Sent message
type=signal sender=n/a destination=n/a
path=/org/freedesktop/systemd1/unit/systemd_2dlocaled_2eservice int
erface=org.freedesktop.DBus.Properties member=PropertiesChanged
cookie=724 reply_cookie=0 signature=sa{sv}as error-name=n/a
error-message=n/a
[   79.112778] u-Precision-7960-Tower systemd[1]: Sent message
type=signal sender=n/a destination=n/a
path=/org/freedesktop/systemd1/unit/systemd_2dlocaled_2eservice int
erface=org.freedesktop.DBus.Properties member=PropertiesChanged
cookie=725 reply_cookie=0 signature=sa{sv}as error-name=n/a
error-message=n/a
[   79.188801] u-Precision-7960-Tower systemd[1]: Sent message
type=signal sender=n/a destination=n/a
path=/org/freedesktop/systemd1/unit/systemd_2dlocaled_2eservice int
erface=org.freedesktop.DBus.Properties member=PropertiesChanged
cookie=726 reply_cookie=0 signature=sa{sv}as error-name=n/a
error-message=n/a
[   79.228790] u-Precision-7960-Tower systemd[1]: Sent message
type=signal sender=n/a destination=n/a
path=/org/freedesktop/systemd1/unit/systemd_2dlocaled_2eservice int
erface=org.freedesktop.DBus.Properties member=PropertiesChanged
cookie=727 reply_cookie=0 signature=sa{sv}as error-name=n/a
error-message=n/a
[   79.268794] u-Precision-7960-Tower systemd[1]: Sent message
type=signal sender=n/a destination=n/a
path=/org/freedesktop/systemd1/job/1915 interface=org.freedesktop.D
Bus.Properties member=PropertiesChanged cookie=728 reply_cookie=0
signature=sa{sv}as error-name=n/a error-message=n/a
[   81.064804] u-Precision-7960-Tower systemd[1]: Got message
type=method_call sender=:1.67 destination=org.freedesktop.systemd1
path=/org/freedesktop/systemd1 interface
=org.freedesktop.DBus.Properties member=Get cookie=31 reply_cookie=0
signature=ss error-name=n/a error-message=n/a
[  286.066341] u-Precision-7960-Tower kernel: md123: detected capacity
change from 1900396544 to 0
[  286.073500] u-Precision-7960-Tower kernel: md: md123 stopped.
[  286.175794] u-Precision-7960-Tower kernel: md: md124 stopped.


-- 
Chia-Lin Kao(AceLan)
http://blog.acelan.idv.tw/
E-Mail: acelan.kaoATcanonical.com (s/AT/@/)

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