Short reproducer:
$ lxc init ubuntu:focal/armhf focal-test
Creating focal-test
$ lxc start focal-test
$ lxc exec focal-test /bin/bash
root@focal-test:~# systemctl is-system-running
degraded
With some further diagnostics:
root@focal-test:~# systemctl list-units | grep failed
● systemd-remount-fs.service loaded failed failed Remount Root
and Kernel File Systems
root@focal-test:~# systemctl status systemd-remount-fs
● systemd-remount-fs.service - Remount Root and Kernel File Systems
Loaded: loaded (/lib/systemd/system/systemd-remount-fs.service;
enabled-runtime; vendor preset: enabled)
Active: failed (Result: exit-code) since Mon 2024-12-02 20:05:50 UTC; 3min
37s ago
Docs: man:systemd-remount-fs.service(8)
https://www.freedesktop.org/wiki/Software/systemd/APIFileSystems
Main PID: 68 (code=exited, status=1/FAILURE)
CPU: 37ms
Dec 02 20:05:50 focal-test systemd-remount-fs[73]: mount: /: can't find
LABEL=cloudimg-rootfs.
Dec 02 20:05:50 focal-test systemd-remount-fs[68]: /bin/mount for / exited with
exit status 1.
Dec 02 20:05:50 focal-test systemd[1]: systemd-remount-fs.service: Main process
exited, code=exited, status=1/FAILURE
Dec 02 20:05:50 focal-test systemd[1]: systemd-remount-fs.service: Failed with
result 'exit-code'.
Dec 02 20:05:50 focal-test systemd[1]: Failed to start Remount Root and Kernel
File Systems.
And the /etc/fstab file for posterity:
root@focal-test:~# cat /etc/fstab
LABEL=cloudimg-rootfs / ext4 defaults 0 1
Looks like this is an issue with the focal lxc image, nothing to do with
autopkgtest.
** Changed in: auto-package-testing
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/2089380
Title:
focal armhf instances boot in degraded state
Status in Auto Package Testing:
Invalid
Status in cloud-images:
New
Bug description:
Looks like Focal armhf instances boot in degraded state because the
following systemd unit fails:
root@paride-test:~# systemctl status systemd-remount-fs.service
● systemd-remount-fs.service - Remount Root and Kernel File Systems
Loaded: loaded (/lib/systemd/system/systemd-remount-fs.service;
enabled-runtime; vendor preset: enabled)
Active: failed (Result: exit-code) since Fri 2024-11-22 11:29:21 UTC;
53s ago
Docs: man:systemd-remount-fs.service(8)
https://www.freedesktop.org/wiki/Software/systemd/APIFileSystems
Process: 60 ExecStart=/lib/systemd/systemd-remount-fs (code=exited,
status=1/FAILURE)
Main PID: 60 (code=exited, status=1/FAILURE)
Nov 22 11:29:21 paride-test systemd-remount-fs[71]: mount: /: can't find
LABEL=cloudimg-rootfs.
Nov 22 11:29:21 paride-test systemd-remount-fs[60]: /bin/mount for / exited
with exit status 1.
Nov 22 11:29:21 paride-test systemd[1]: systemd-remount-fs.service: Main
process exited, code=exited, status=1/FAILURE
Nov 22 11:29:21 paride-test systemd[1]: systemd-remount-fs.service: Failed
with result 'exit-code'.
Nov 22 11:29:21 paride-test systemd[1]: Failed to start Remount Root and
Kernel File Systems.
Warning: journal has been rotated since unit was started, output may be
incomplete.
We should figure out why this happens, and make instances boot again
in 'running' state.
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