j’ai sauvegardé le journal dans un fichier et je vois bien que le noyau 4.18 ne se comporte pas pareil
1 - cas ok noyau 4.9
grep hostname journalctl-16h20.log
sept. 26 16:20:21 debian systemd[1]: Set hostname to <debian>.
sept. 26 16:20:36 debian dbus-daemon[556]: [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.hostname1.service' requested by ':1.11' (uid=0 pid=557 comm="/usr/sbin/NetworkManager --no-daemon ")
-- Subject: L'unité (unit) systemd-hostnamed.service a commencé à démarrer
-- L'unité (unit) systemd-hostnamed.service a commencé à démarrer.
sept. 26 16:20:37 debian dbus-daemon[556]: [system] Successfully activated service 'org.freedesktop.hostname1'
-- Subject: L'unité (unit) systemd-hostnamed.service a terminé son démarrage
-- L'unité (unit) systemd-hostnamed.service a terminé son démarrage, avec le résultat RESULT.
sept. 26 16:20:37 debian NetworkManager[557]: <info> [1537971637.8472] hostname: hostname: using hostnamed
sept. 26 16:20:37 debian NetworkManager[557]: <info> [1537971637.8473] hostname: hostname changed from (none) to "debian"
sept. 26 16:20:39 debian nm-dispatcher[691]: req:1 'hostname': new request (1 scripts)
sept. 26 16:20:39 debian nm-dispatcher[691]: req:1 'hostname': start running ordered scripts...
sept. 26 16:20:44 debian NetworkManager[557]: <info> [1537971644.8121] dhcp4 (wlp3s0b1): hostname 'debian'
sept. 26 16:25:30 debian dbus-daemon[556]: [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.hostname1.service' requested by ':1.45' (uid=1001 pid=1661 comm="/usr/lib/gnome-settings-daemon/gsd-rfkill ")
-- Subject: L'unité (unit) systemd-hostnamed.service a commencé à démarrer
-- L'unité (unit) systemd-hostnamed.service a commencé à démarrer.
-- Subject: L'unité (unit) systemd-hostnamed.service a terminé son démarrage
-- L'unité (unit) systemd-hostnamed.service a terminé son démarrage, avec le résultat RESULT.
sept. 26 16:25:31 debian dbus-daemon[556]: [system] Successfully activated service 'org.freedesktop.hostname1'
2 - cas nok noyau 4.18
grep hostname journalctl-noyau-418.log
sept. 26 16:44:29 debian systemd[1]: Set hostname to <debian>.
sept. 26 16:44:44 debian dbus-daemon[602]: [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.hostname1.service' requested by ':1.9' (uid=0 pid=604 comm="/usr/sbin/NetworkManager --no-daemon ")
-- Subject: L'unité (unit) systemd-hostnamed.service a commencé à démarrer
-- L'unité (unit) systemd-hostnamed.service a commencé à démarrer.
sept. 26 16:44:45 debian dbus-daemon[602]: [system] Successfully activated service 'org.freedesktop.hostname1'
-- Subject: L'unité (unit) systemd-hostnamed.service a terminé son démarrage
-- L'unité (unit) systemd-hostnamed.service a terminé son démarrage, avec le résultat RESULT.
sept. 26 16:44:45 debian NetworkManager[604]: <info> [1537973085.1011] hostname: hostname: using hostnamed
sept. 26 16:44:45 debian NetworkManager[604]: <info> [1537973085.1012] hostname: hostname changed from (none) to "debian"
sept. 26 16:44:46 debian nm-dispatcher[693]: req:1 'hostname': new request (1 scripts)
sept. 26 16:44:46 debian nm-dispatcher[693]: req:1 'hostname': start running ordered scripts...
sept. 26 16:44:51 debian NetworkManager[604]: <info> [1537973091.8411] dhcp4 (wlp3s0b1): hostname 'debian'
sept. 26 16:45:56 debian dbus-daemon[602]: [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.hostname1.service' requested by ':1.44' (uid=1001 pid=1773 comm="/usr/lib/gnome-settings-daemon/gsd-rfkill ")
-- Subject: L'unité (unit) systemd-hostnamed.service a commencé à démarrer
-- L'unité (unit) systemd-hostnamed.service a commencé à démarrer.
sept. 26 16:45:56 debian systemd[1809]: systemd-hostnamed.service: Failed to set up mount namespacing: Bad address
sept. 26 16:45:56 debian systemd[1809]: systemd-hostnamed.service: Failed at step NAMESPACE spawning /lib/systemd/systemd-hostnamed: Bad address
-- Subject: Le processus /lib/systemd/systemd-hostnamed n'a pas pu être exécuté
-- Le processus /lib/systemd/systemd-hostnamed n'a pas pu être exécuté, et a donc échoué.
sept. 26 16:45:56 debian systemd[1]: systemd-hostnamed.service: Main process exited, code=exited, status=226/NAMESPACE
sept. 26 16:45:56 debian systemd[1]: systemd-hostnamed.service: Failed with result 'exit-code'.
-- Subject: L'unité (unit) systemd-hostnamed.service a échoué
-- L'unité (unit) systemd-hostnamed.service a échoué, avec le résultat RESULT.
sept. 26 16:46:21 debian dbus-daemon[602]: [system] Failed to activate service 'org.freedesktop.hostname1': timed out (service_start_timeout=25000ms)
sept. 26 16:46:35 debian dbus-daemon[602]: [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.hostname1.service' requested by ':1.57' (uid=1001 pid=1769 comm="/usr/lib/gnome-settings-daemon/gsd-power ")
-- Subject: L'unité (unit) systemd-hostnamed.service a commencé à démarrer
-- L'unité (unit) systemd-hostnamed.service a commencé à démarrer.
sept. 26 16:46:35 debian systemd[2055]: systemd-hostnamed.service: Failed to set up mount namespacing: Bad address
sept. 26 16:46:35 debian systemd[2055]: systemd-hostnamed.service: Failed at step NAMESPACE spawning /lib/systemd/systemd-hostnamed: Bad address
-- Subject: Le processus /lib/systemd/systemd-hostnamed n'a pas pu être exécuté
-- Le processus /lib/systemd/systemd-hostnamed n'a pas pu être exécuté, et a donc échoué.
sept. 26 16:46:35 debian systemd[1]: systemd-hostnamed.service: Main process exited, code=exited, status=226/NAMESPACE
sept. 26 16:46:35 debian systemd[1]: systemd-hostnamed.service: Failed with result 'exit-code'.
-- Subject: L'unité (unit) systemd-hostnamed.service a échoué
-- L'unité (unit) systemd-hostnamed.service a échoué, avec le résultat RESULT.
sept. 26 16:47:00 debian dbus-daemon[602]: [system] Failed to activate service 'org.freedesktop.hostname1': timed out (service_start_timeout=25000ms)
root@debian:/var/log#
Et donc
systemctl --failed
UNIT LOAD ACTIVE SUB DESCRIPTION
● systemd-hostnamed.service loaded failed failed Hostname Service
● systemd-localed.service loaded failed failed Locale Service
● upower.service loaded failed failed Daemon for power management
● user-runtime-dir@1001.service loaded failed failed /run/user/1001 mount wrappe
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.
4 loaded units listed. Pass --all to see loaded but inactive units, too.
To show all installed unit files use 'systemctl list-unit-files'.
guy@debian:~$ df -hT
df: /run/user/1001/gvfs: Noeud final de transport n'est pas connecté
Sys. de fichiers Type Taille Utilisé Dispo Uti% Monté sur
udev devtmpfs 1,8G 0 1,8G 0% /dev
tmpfs tmpfs 370M 11M 359M 3% /run
/dev/sda1 ext4 19G 14G 4,7G 74% /
tmpfs tmpfs 1,9G 0 1,9G 0% /dev/shm
tmpfs tmpfs 5,0M 4,0K 5,0M 1% /run/lock
tmpfs tmpfs 1,9G 0 1,9G 0% /sys/fs/cgroup
tmpfs tmpfs 1,9G 0 1,9G 0% /tmp
/dev/sda6 ext4 268G 229G 26G 91% /home
tmpfs tmpfs 370M 16K 370M 1% /run/user/1001