Public bug reported:
Systemd boots degraded because of the invalid content of /etc/fstab:
$ lxc shell gg-test
root@gg-test:~# systemctl is-system-running
degraded
root@gg-test:~# systemctl list-units --failed
UNIT LOAD ACTIVE SUB DESCRIPTION
● systemd-remount-fs.service loaded failed failed Remount Root and Kernel File
Systems
LOAD = Reflects whether the unit definition was properly loaded.
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
SUB = The low-level unit activation state, values depend on unit type.
1 loaded units listed.
root@gg-test:~# cat /etc/fstab
LABEL=cloudimg-rootfs / ext4 defaults 0 0
root@gg-test:~# echo "" > /etc/fstab
root@gg-test:~# reboot
Session terminated, killing shell... ...killed.
rbalint@yogi:~$ lxc shell gg-test
root@gg-test:~# systemctl is-system-running
running
root@gg-test:~# systemctl list-units --failed
UNIT LOAD ACTIVE SUB DESCRIPTION
0 loaded units listed.
Not shipping is also fixing the issue, but some programs (such as systemd
autopkgtes) reads fstab and a missing fstab should be special-cased, thus that
would cause more breakages.
** Affects: livecd-rootfs (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1877078
Title:
Please ship empty /etc/fstab in LXD images
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