@daniel,
Thanks for the solution, and it sounds good, could you help make merge
request to finalrd to ask the maintainer's idea?
From my side, currently finalrd used by mdadm, I would like to remove
the dependency cause mdadm.
In systemd/mdadm.shutdown from mdadm, it also do "mdadm --wait-clean
--scan".
$ cat ./debian/mdadm.finalrd
#!/bin/sh
# SPDX-License-Identifier: GPL-3.0-only
set -e
if [ "$1" = "setup" ]
then
. /usr/share/initramfs-tools/hook-functions
copy_exec /sbin/mdadm
copy_exec /sbin/mdmon
exit 0
fi
mdmon --all --takeover
mdadm -vv --wait-clean --scan
mdadm -vv --stop --scan
Thanks!
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to systemd in Ubuntu.
https://bugs.launchpad.net/bugs/1928200
Title:
Prompt error message "Failed to unmount /oldroot" when shutdown or
reboot
Status in OEM Priority Project:
Fix Released
Status in systemd package in Ubuntu:
Fix Released
Status in systemd source package in Focal:
Fix Released
Bug description:
[impact]
root fs is not cleanly unmounted on shutdown
[test case]
create a file in /etc/binfmt.d/TestFormat.conf with the following
content:
:TestFormat:M::XX::/bin/true:F
reboot the system, and then shutdown or reboot again, and watch the
serial console for the error message:
sd-umount[1334]: Failed to unmount /oldroot: Device or resource busy
[regression potential]
any regression would likely cause problems on shutdown and/or reboot,
or may cause problems with unmounted root fs on shutdown/reboot
[scope]
this is needed only for f
this is fixed upstream with PR 15566 which is included in v246, so
this is fixed already in g and later
this isn't reproducable on b
[original description]
On ubuntu 20.04, with latest kernel and systemd, it will show error on
ThinkPad X1.
sd-umount[1334]: Failed to unmount /oldroot: Device or resource busy
systemd 245.4-4ubuntu3.6
kernel: 5.8.0-53
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