Le noyau s'interrompt trop rapidement, à la reprise, suspend les tâches

Mise à jour du 29 juin 2019

De la réponse supprimée ci-dessous (l'affiche n'avait pas assez de points de réputation pour poster un commentaire), un rapport de bug a été déposé dans Kernel.org Bugzilla :

• Bogue 203791 - s2idle se produit avant le gel des processus de l'espace utilisateur

Un autre rapport de bug a été déposé dans Launchpad :

• Décharge de la batterie pendant le sommeil. Système suspendu avant que le noyau n'interrompe toutes les tâches

Mise à jour du 21 octobre 2018

Le problème est toujours là et peu importe la quantité de recherches que j'ai faites (surtout en répétant des recherches précédentes), une solution n'est pas plus proche. Un autre utilisateur a signalé le même problème aujourd'hui: le mode veille décharge la batterie très rapidement

En bref, vous pouvez voir mon journalctl -xejournal:

Oct 21 16:12:28 alien kernel: PM: Syncing filesystems ... done.
Oct 21 16:12:28 alien kernel: PM: Preparing system for sleep (mem)
Oct 21 16:12:29 alien whoopsie[1129]: [16:12:29] Cannot reach: https://daisy.ubuntu.com
Oct 21 16:12:29 alien whoopsie[1129]: [16:12:29] Cannot reach: https://daisy.ubuntu.com
Oct 21 16:12:29 alien nm-dispatcher[14659]: req:2 'down' [enp59s0]: start running ordered scripts...
Oct 21 16:13:14 alien kernel: Freezing user space processes ... (elapsed 0.002 seconds) done.

• Au 16:12:28système commence à suspendre.
• Le 16:13:14système reprend mais la suspension se poursuit en gelant les tâches

Mise à jour du 25 février 2018

Lorsque cette question a été publiée à l'origine, j'avais un ordinateur portable qui a été mis à niveau du 14.04 au 16.04. Depuis lors, j'ai un nouvel ordinateur portable avec une nouvelle installation 16.04. Le problème demeure cependant:

    (... Feb 24/2018 laptop lid closed system suspends ...)
Feb 24 23:20:39 alien systemd[1]: Starting TLP suspend/resume...
Feb 24 23:20:39 alien systemd[1]: Started TLP suspend/resume.
Feb 24 23:20:39 alien systemd[1]: Reached target Sleep.
Feb 24 23:20:39 alien systemd[1]: Starting Suspend...
Feb 24 23:20:39 alien systemd-sleep[9105]: /lib/systemd/system-sleep/sound: Going to suspend...
Feb 24 23:20:39 alien systemd-sleep[9105]: /lib/systemd/system-sleep/display-auto-brightness: Going to suspend...
Feb 24 23:20:39 alien systemd-sleep[9105]: Failed to connect to non-global ctrl_ifname: (nil)  error: No such file or directory
Feb 24 23:20:39 alien systemd-sleep[9106]: /lib/systemd/system-sleep/wpasupplicant failed with error code 255.
Feb 24 23:20:39 alien root: /lib/systemd/system-sleep/r8169-reset case=[ pre ]
Feb 24 23:20:40 alien systemd-sleep[9105]: Suspending system...
Feb 24 23:20:40 alien kernel: [32114.051624] PM: suspend entry (deep)
    (... Feb 25/2018 laptop lid open system resumes and immediately sleeps ...)
Feb 25 07:40:14 alien kernel: [32114.051627] PM: Syncing filesystems ... done.
Feb 25 07:40:14 alien kernel: [32114.071584] Freezing user space processes ... (elapsed 0.001 seconds) done.
Feb 25 07:40:14 alien kernel: [32114.073493] OOM killer disabled.
Feb 25 07:40:14 alien kernel: [32114.073494] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
Feb 25 07:40:14 alien kernel: [32114.074945] Suspending console(s) (use no_console_suspend to debug)
Feb 25 07:40:14 alien kernel: [32114.075534] sd 2:0:0:0: [sdb] Synchronizing SCSI cache
Feb 25 07:40:14 alien kernel: [32114.076006] sd 1:0:0:0: [sda] Synchronizing SCSI cache
Feb 25 07:40:14 alien kernel: [32114.076471] sd 1:0:0:0: [sda] Stopping disk
Feb 25 07:40:14 alien kernel: [32116.375342] ACPI: Preparing to enter system sleep state S3
Feb 25 07:40:14 alien kernel: [32116.376678] ACPI: EC: event blocked
Feb 25 07:40:14 alien kernel: [32116.376679] ACPI: EC: EC stopped
Feb 25 07:40:14 alien kernel: [32116.376680] PM: Saving platform NVS memory
Feb 25 07:40:14 alien kernel: [32116.376821] Disabling non-boot CPUs ...
Feb 25 07:40:14 alien kernel: [32116.394624] smpboot: CPU 1 is now offline
Feb 25 07:40:14 alien kernel: [32116.413577] IRQ 137: no longer affine to CPU2
Feb 25 07:40:14 alien kernel: [32116.414597] smpboot: CPU 2 is now offline
Feb 25 07:40:14 alien kernel: [32116.437543] IRQ 127: no longer affine to CPU3
Feb 25 07:40:14 alien kernel: [32116.438566] smpboot: CPU 3 is now offline
Feb 25 07:40:14 alien kernel: [32116.461504] IRQ 122: no longer affine to CPU4
Feb 25 07:40:14 alien kernel: [32116.461511] IRQ 124: no longer affine to CPU4
Feb 25 07:40:14 alien kernel: [32116.463298] smpboot: CPU 4 is now offline
Feb 25 07:40:14 alien kernel: [32116.486420] smpboot: CPU 5 is now offline
Feb 25 07:40:14 alien kernel: [32116.509384] IRQ 123: no longer affine to CPU6
Feb 25 07:40:14 alien kernel: [32116.510409] smpboot: CPU 6 is now offline
Feb 25 07:40:14 alien kernel: [32116.533331] IRQ 1: no longer affine to CPU7
Feb 25 07:40:14 alien kernel: [32116.533337] IRQ 8: no longer affine to CPU7
Feb 25 07:40:14 alien kernel: [32116.533341] IRQ 9: no longer affine to CPU7
Feb 25 07:40:14 alien kernel: [32116.533345] IRQ 12: no longer affine to CPU7
Feb 25 07:40:14 alien kernel: [32116.534378] smpboot: CPU 7 is now offline
    (... Feb 25/2018 suspend started last night now complete, system resumes ...)

Feb 25 07:40:14 alien kernel: [32116.537314] ACPI: Low-level resume complete
Feb 25 07:40:14 alien kernel: [32116.537405] ACPI: EC: EC started
Feb 25 07:40:14 alien kernel: [32116.537406] PM: Restoring platform NVS memory
Feb 25 07:40:14 alien kernel: [32116.538161] Enabling non-boot CPUs ...
Feb 25 07:40:14 alien kernel: [32116.538217] x86: Booting SMP configuration:
Feb 25 07:40:14 alien kernel: [32116.538218] smpboot: Booting Node 0 Processor 1 APIC 0x2
Feb 25 07:40:14 alien kernel: [32116.539597]  cache: parent cpu1 should not be sleeping
Feb 25 07:40:14 alien kernel: [32116.539750] CPU1 is up
Feb 25 07:40:14 alien kernel: [32116.539773] smpboot: Booting Node 0 Processor 2 APIC 0x4
Feb 25 07:40:14 alien kernel: [32116.541154]  cache: parent cpu2 should not be sleeping
Feb 25 07:40:14 alien kernel: [32116.541312] CPU2 is up
    (... SNIP ....)
Feb 25 07:40:15 alien systemd[1]: Started Daily apt upgrade and clean activities.
Feb 25 07:40:16 alien systemd[1]: Started Suspend.
Feb 25 07:40:16 alien systemd[1]: sleep.target: Unit not needed anymore. Stopping.
Feb 25 07:40:16 alien systemd[1]: Stopped target Sleep.
Feb 25 07:40:16 alien systemd[1]: tlp-sleep.service: Unit not needed anymore. Stopping.
Feb 25 07:40:16 alien systemd[1]: Stopping TLP suspend/resume...
Feb 25 07:40:16 alien systemd[1]: Reached target Suspend.
Feb 25 07:40:16 alien systemd[1]: suspend.target: Unit is bound to inactive unit systemd-suspend.service. Stopping, too.
Feb 25 07:40:16 alien systemd[1]: Stopped target Suspend.
Feb 25 07:40:16 alien systemd[1]: Started Run anacron jobs at resume.
Feb 25 07:40:16 alien NetworkManager[904]: <info>  [1519569616.5268] manager: wake requested (sleeping: yes  enabled: yes)
Feb 25 07:40:16 alien NetworkManager[904]: <info>  [1519569616.5268] manager: waking up...
Feb 25 07:40:16 alien NetworkManager[904]: <info>  [1519569616.5269] device (enp59s0): state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
Feb 25 07:40:16 alien NetworkManager[904]: <info>  [1519569616.5283] device (wlp60s0): state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
Feb 25 07:40:16 alien kernel: [32122.065301] IPv6: ADDRCONF(NETDEV_UP): enp59s0: link is not ready
Feb 25 07:40:16 alien kernel: [32122.065783] IPv6: ADDRCONF(NETDEV_UP): enp59s0: link is not ready
Feb 25 07:40:16 alien kernel: [32122.066900] alx 0000:3b:00.0 enp59s0: NIC Up: 1 Gbps Full
Feb 25 07:40:16 alien kernel: [32122.067126] IPv6: ADDRCONF(NETDEV_CHANGE): enp59s0: link becomes ready
Feb 25 07:40:16 alien kernel: [32122.067303] IPv6: ADDRCONF(NETDEV_UP): wlp60s0: link is not ready
Feb 25 07:40:16 alien systemd[1]: Started Run anacron jobs.
Feb 25 07:40:16 alien anacron[9772]: Anacron 2.3 started on 2018-02-25
Feb 25 07:40:16 alien anacron[9772]: Will run job `cron.daily' in 5 min.
Feb 25 07:40:16 alien anacron[9772]: Will run job `cron.weekly' in 10 min.

Remarquez comment le système est suspendu le 24 février à 23h30 puis repris le 25 février à 7h40. En reprenant, le système se met immédiatement en «veille» puis «se réveille».

Contexte

REMARQUE: Dans Ubuntu 16.04, les paramètres d'alimentation de la fermeture du couvercle sont définis sur "Suspendre" pour la batterie et la connexion.

Dans /etc/systemd/logind.confles valeurs par défaut "ignorer" ont été remplacés par HandleLidSwitch=suspendet HandleLidSwitchDocked=suspend. La raison étant qu'un téléviseur externe HDMI est connecté et si l'une de ces options (ou les paramètres d'alimentation Ubuntu) est définie sur "ignorer" ou "ne rien faire", le système continue de fonctionner lorsque le couvercle est fermé mais le téléviseur s'éteint. Sous Ubuntu 14.04 (sans systemd), la suspension lorsque le couvercle était fermé fonctionnait comme prévu.

Il y a eu beaucoup de bricolages historiques des événements acpi, pm-utils, gnome - ??? et peut-être dbus - ???. Expérimenter également diverses méthodes de suspension et de gel de la mémoire.

Honnêtement, je ne me souviens pas de toutes les différentes choses essayées, mais il semble que j'ai tout cherché sous le soleil.

Contenu pertinent de / var / log / syslog

À /var/log/syslog5 h 05, le système a été suspendu (par systemd?). À 16 h 46 (16 h 46), systemd a repris, mais le noyau a mis l'ordinateur portable en veille et le réveil immédiat. Il y a beaucoup de messages étranges tels que "le CPU parent ne doit pas dormir ".

Ma préoccupation est que d'autres choses commencent à se casser 6 mois après la publication de cette question en octobre 2016. Par exemple, Ethernet ne se reconnecte pas au réveil de la suspension et le wifi prend le relais. J'ai rétrogradé le pilote r8169 en r8168 mais cela n'a pas aidé les choses. J'ai configuré le redémarrage du réseau mais cela n'a pas aidé les choses, en effet parfois le DNS se perd.

Voici pertinent /var/log/syslog:

Apr 11 05:05:47 dell NetworkManager[21298]: <info>  [1491908747.8097] manager: sleep requested (sleeping: no  enabled: yes)
Apr 11 05:05:47 dell NetworkManager[21298]: <info>  [1491908747.8098] manager: sleeping...
Apr 11 05:05:47 dell NetworkManager[21298]: <info>  [1491908747.8100] device (18:4F:32:8D:AA:98): state change: disconnected -> unmanaged (reason 'sleeping') [30 10 37]
Apr 11 05:05:47 dell NetworkManager[21298]: <info>  [1491908747.8104] manager: NetworkManager state is now ASLEEP
Apr 11 05:05:47 dell NetworkManager[21298]: <info>  [1491908747.8110] device (wlan0): state change: activated -> deactivating (reason 'sleeping') [100 110 37]
Apr 11 05:05:47 dell whoopsie[1081]: [05:05:47] offline
Apr 11 05:05:47 dell NetworkManager[21298]: <info>  [1491908747.8159] device (eth0): state change: activated -> deactivating (reason 'sleeping') [100 110 37]
Apr 11 05:05:47 dell NetworkManager[21298]: <info>  [1491908747.8236] device (wlan0): state change: deactivating -> disconnected (reason 'sleeping') [110 30 37]
Apr 11 05:05:47 dell avahi-daemon[1169]: Withdrawing address record for 2001:56a:f114:bf00:9466:976d:8bf9:9cc2 on wlan0.
Apr 11 05:05:47 dell avahi-daemon[1169]: Leaving mDNS multicast group on interface wlan0.IPv6 with address 2001:56a:f114:bf00:9466:976d:8bf9:9cc2.
Apr 11 05:05:47 dell avahi-daemon[1169]: Joining mDNS multicast group on interface wlan0.IPv6 with address fe80::6d92:f19f:f5c3:f173.
Apr 11 05:05:47 dell avahi-daemon[1169]: Registering new address record for fe80::6d92:f19f:f5c3:f173 on wlan0.*.
Apr 11 05:05:47 dell avahi-daemon[1169]: Withdrawing address record for fe80::6d92:f19f:f5c3:f173 on wlan0.
Apr 11 05:05:47 dell gnome-session[2394]: (deja-dup-monitor:11605): GLib-CRITICAL **: Source ID 957 was not found when attempting to remove it
Apr 11 05:05:47 dell NetworkManager[21298]: <info>  [1491908747.8266] dhcp4 (wlan0): canceled DHCP transaction, DHCP client pid 21469
Apr 11 05:05:47 dell avahi-daemon[1169]: Leaving mDNS multicast group on interface wlan0.IPv6 with address fe80::6d92:f19f:f5c3:f173.
Apr 11 05:05:47 dell NetworkManager[21298]: <info>  [1491908747.8267] dhcp4 (wlan0): state changed bound -> done
Apr 11 05:05:47 dell avahi-daemon[1169]: Interface wlan0.IPv6 no longer relevant for mDNS.
Apr 11 05:05:47 dell NetworkManager[21298]: <info>  [1491908747.8273] dhcp6 (wlan0): canceled DHCP transaction
Apr 11 05:05:47 dell kernel: [17371.316039] wlan0: deauthenticating from 70:f1:96:42:5f:02 by local choice (Reason: 3=DEAUTH_LEAVING)
Apr 11 05:05:47 dell wpa_supplicant[1631]: wlan0: CTRL-EVENT-DISCONNECTED bssid=70:f1:96:42:5f:02 reason=3 locally_generated=1
Apr 11 05:05:47 dell avahi-daemon[1169]: Withdrawing address record for 192.168.1.68 on wlan0.
Apr 11 05:05:47 dell avahi-daemon[1169]: Leaving mDNS multicast group on interface wlan0.IPv4 with address 192.168.1.68.
Apr 11 05:05:47 dell avahi-daemon[1169]: Interface wlan0.IPv4 no longer relevant for mDNS.
Apr 11 05:05:47 dell NetworkManager[21298]: <info>  [1491908747.8572] dns-mgr: Writing DNS information to /sbin/resolvconf
Apr 11 05:05:47 dell dnsmasq[21738]: setting upstream servers from DBus
Apr 11 05:05:47 dell dnsmasq[21738]: using nameserver 2001:568:ff09:10c::53#53(via eth0)
Apr 11 05:05:47 dell dnsmasq[21738]: using nameserver 2001:568:ff09:10b::122#53(via eth0)
Apr 11 05:05:47 dell dnsmasq[21738]: using nameserver 2001:568:ff09:10c::53#53(via wlan0)
Apr 11 05:05:47 dell dnsmasq[21738]: using nameserver 2001:568:ff09:10b::122#53(via wlan0)
Apr 11 05:05:47 dell wpa_supplicant[1631]: wlan0: CTRL-EVENT-REGDOM-CHANGE init=CORE type=WORLD
Apr 11 05:05:47 dell kernel: [17371.351376] cfg80211: World regulatory domain updated:
Apr 11 05:05:47 dell kernel: [17371.351381] cfg80211:  DFS Master region: unset
Apr 11 05:05:47 dell kernel: [17371.351383] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
Apr 11 05:05:47 dell kernel: [17371.351388] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
Apr 11 05:05:47 dell kernel: [17371.351391] cfg80211:   (2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
Apr 11 05:05:47 dell kernel: [17371.351394] cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (N/A, 2000 mBm), (N/A)
Apr 11 05:05:47 dell kernel: [17371.351398] cfg80211:   (5170000 KHz - 5250000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (N/A)
Apr 11 05:05:47 dell kernel: [17371.351402] cfg80211:   (5250000 KHz - 5330000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (0 s)
Apr 11 05:05:47 dell kernel: [17371.351406] cfg80211:   (5490000 KHz - 5730000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s)
Apr 11 05:05:47 dell kernel: [17371.351409] cfg80211:   (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A)
Apr 11 05:05:47 dell kernel: [17371.351413] cfg80211:   (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm), (N/A)
Apr 11 05:05:47 dell NetworkManager[21298]: <info>  [1491908747.8990] dns-mgr: Writing DNS information to /sbin/resolvconf
Apr 11 05:05:47 dell dnsmasq[21738]: setting upstream servers from DBus
Apr 11 05:05:47 dell dnsmasq[21738]: using nameserver 2001:568:ff09:10c::53#53(via eth0)
Apr 11 05:05:47 dell dnsmasq[21738]: using nameserver 2001:568:ff09:10b::122#53(via eth0)
Apr 11 05:05:47 dell NetworkManager[21298]: <info>  [1491908747.9082] device (eth0): state change: deactivating -> disconnected (reason 'sleeping') [110 30 37]
Apr 11 05:05:47 dell dbus[1234]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service'
Apr 11 05:05:47 dell avahi-daemon[1169]: Withdrawing address record for 2001:56a:f114:bf00:1513:4a3e:2ff6:2764 on eth0.
Apr 11 05:05:47 dell avahi-daemon[1169]: Withdrawing address record for 2001:56a:f114:bf00:1baa:569:8a37:6121 on eth0.
Apr 11 05:05:47 dell NetworkManager[21298]: <info>  [1491908747.9130] dns-mgr: Writing DNS information to /sbin/resolvconf
Apr 11 05:05:47 dell avahi-daemon[1169]: Registering new address record for 2001:56a:f114:bf00:9e2a:fb78:b1f:606 on eth0.*.
Apr 11 05:05:47 dell NetworkManager[21298]: <warn>  [1491908747.9273] sup-iface[0x275ac00,wlan0]: connection disconnected (reason -3)
Apr 11 05:05:47 dell avahi-daemon[1169]: Registering new address record for fe80::44a5:819f:4f44:182d on eth0.*.
Apr 11 05:05:47 dell NetworkManager[21298]: <info>  [1491908747.9274] device (wlan0): supplicant interface state: completed -> disconnected
Apr 11 05:05:47 dell avahi-daemon[1169]: Withdrawing address record for 2001:56a:f114:bf00:9e2a:fb78:b1f:606 on eth0.
Apr 11 05:05:47 dell systemd[1]: Starting Network Manager Script Dispatcher Service...
Apr 11 05:05:47 dell avahi-daemon[1169]: Leaving mDNS multicast group on interface eth0.IPv6 with address 2001:56a:f114:bf00:9e2a:fb78:b1f:606.
Apr 11 05:05:47 dell avahi-daemon[1169]: Joining mDNS multicast group on interface eth0.IPv6 with address fe80::44a5:819f:4f44:182d.
Apr 11 05:05:47 dell avahi-daemon[1169]: Withdrawing address record for fe80::44a5:819f:4f44:182d on eth0.
Apr 11 05:05:47 dell avahi-daemon[1169]: Leaving mDNS multicast group on interface eth0.IPv6 with address fe80::44a5:819f:4f44:182d.
Apr 11 05:05:47 dell avahi-daemon[1169]: Interface eth0.IPv6 no longer relevant for mDNS.
Apr 11 05:05:47 dell dnsmasq[21738]: setting upstream servers from DBus
Apr 11 05:05:47 dell dbus[1234]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'
Apr 11 05:05:47 dell nm-dispatcher: req:1 'down' [wlan0]: new request (2 scripts)
Apr 11 05:05:47 dell nm-dispatcher: req:1 'down' [wlan0]: start running ordered scripts...
Apr 11 05:05:47 dell systemd[1]: Started Network Manager Script Dispatcher Service.
Apr 11 05:05:47 dell nm-dispatcher: req:2 'down' [eth0]: new request (2 scripts)
Apr 11 05:05:47 dell NetworkManager[21298]: <info>  [1491908747.9503] device (wlan0): state change: disconnected -> unmanaged (reason 'sleeping') [30 10 37]
Apr 11 05:05:48 dell rtkit-daemon[1815]: Supervising 1 threads of 1 processes of 1 users.
Apr 11 05:05:48 dell rtkit-daemon[1815]: Successfully made thread 6828 of process 2517 (n/a) owned by '1000' RT at priority 5.
Apr 11 05:05:48 dell rtkit-daemon[1815]: Supervising 2 threads of 1 processes of 1 users.
Apr 11 05:05:48 dell NetworkManager[21298]: <info>  [1491908748.4032] device (eth0): state change: disconnected -> unmanaged (reason 'sleeping') [30 10 37]
Apr 11 05:05:48 dell wpa_supplicant[1631]: nl80211: deinit ifname=wlan0 disabled_11b_rates=0
Apr 11 05:05:48 dell NetworkManager[21298]: <info>  [1491908748.4417] device (eth0): link disconnected
Apr 11 05:05:48 dell systemd[1]: Starting TLP suspend/resume...
Apr 11 05:05:48 dell nm-dispatcher: req:2 'down' [eth0]: start running ordered scripts...
Apr 11 05:05:48 dell systemd[1]: Started TLP suspend/resume.
Apr 11 05:05:48 dell systemd[1]: Reached target Sleep.
Apr 11 05:05:48 dell systemd[1]: Starting Suspend...
Apr 11 05:05:48 dell systemd-sleep[7020]: /lib/systemd/system-sleep/sound: Going to suspend...
Apr 11 05:05:48 dell systemd-sleep[7020]: Failed to connect to non-global ctrl_ifname: (nil)  error: No such file or directory
Apr 11 05:05:48 dell systemd-sleep[7022]: /lib/systemd/system-sleep/wpasupplicant failed with error code 255.
Apr 11 05:05:49 dell systemd-sleep[7020]: Suspending system...
Apr 11 16:46:51 dell kernel: [17373.370197] PM: Syncing filesystems ... done.
Apr 11 16:46:51 dell kernel: [17373.391541] PM: Preparing system for sleep (mem)
Apr 11 16:46:51 dell kernel: [17373.391987] Freezing user space processes ... (elapsed 0.003 seconds) done.
Apr 11 16:46:51 dell kernel: [17373.395058] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
Apr 11 16:46:51 dell kernel: [17373.396500] PM: Suspending system (mem)
Apr 11 16:46:51 dell kernel: [17373.396521] Suspending console(s) (use no_console_suspend to debug)
Apr 11 16:46:51 dell kernel: [17373.398621] sd 2:0:0:0: [sdc] Synchronizing SCSI cache
Apr 11 16:46:51 dell kernel: [17373.398748] sd 1:0:0:0: [sdb] Synchronizing SCSI cache
Apr 11 16:46:51 dell kernel: [17373.398842] sd 0:0:0:0: [sda] Synchronizing SCSI cache
Apr 11 16:46:51 dell kernel: [17373.398999] sd 1:0:0:0: [sdb] Stopping disk
Apr 11 16:46:51 dell kernel: [17373.399653] sd 0:0:0:0: [sda] Stopping disk
Apr 11 16:46:51 dell kernel: [17373.400760] sd 2:0:0:0: [sdc] Stopping disk
Apr 11 16:46:51 dell kernel: [17373.782939] PM: suspend of devices complete after 386.188 msecs
Apr 11 16:46:51 dell kernel: [17373.798944] PM: late suspend of devices complete after 15.999 msecs
Apr 11 16:46:51 dell kernel: [17373.800622] ehci-pci 0000:00:1d.0: System wakeup enabled by ACPI
Apr 11 16:46:51 dell kernel: [17373.800930] ehci-pci 0000:00:1a.0: System wakeup enabled by ACPI
Apr 11 16:46:51 dell kernel: [17373.800980] xhci_hcd 0000:00:14.0: System wakeup enabled by ACPI
Apr 11 16:46:51 dell kernel: [17373.815056] PM: noirq suspend of devices complete after 16.108 msecs
Apr 11 16:46:51 dell kernel: [17373.815505] ACPI: Preparing to enter system sleep state S3
Apr 11 16:46:51 dell kernel: [17373.827032] ACPI : EC: EC stopped
Apr 11 16:46:51 dell kernel: [17373.827033] PM: Saving platform NVS memory
Apr 11 16:46:51 dell kernel: [17373.827039] Disabling non-boot CPUs ...
Apr 11 16:46:51 dell kernel: [17373.827534] Broke affinity for irq 23
Apr 11 16:46:51 dell kernel: [17373.828570] smpboot: CPU 1 is now offline
Apr 11 16:46:51 dell kernel: [17373.839988] Broke affinity for irq 23
Apr 11 16:46:51 dell kernel: [17373.839993] Broke affinity for irq 30
Apr 11 16:46:51 dell kernel: [17373.841017] smpboot: CPU 2 is now offline
Apr 11 16:46:51 dell kernel: [17373.851875] Broke affinity for irq 16
Apr 11 16:46:51 dell kernel: [17373.851879] Broke affinity for irq 23
Apr 11 16:46:51 dell kernel: [17373.851882] Broke affinity for irq 30
Apr 11 16:46:51 dell kernel: [17373.852900] smpboot: CPU 3 is now offline
Apr 11 16:46:51 dell kernel: [17373.863836] Broke affinity for irq 16
Apr 11 16:46:51 dell kernel: [17373.863841] Broke affinity for irq 23
Apr 11 16:46:51 dell kernel: [17373.863845] Broke affinity for irq 30
Apr 11 16:46:51 dell kernel: [17373.864873] smpboot: CPU 4 is now offline
Apr 11 16:46:51 dell kernel: [17373.875982] Broke affinity for irq 16
Apr 11 16:46:51 dell kernel: [17373.875987] Broke affinity for irq 23
Apr 11 16:46:51 dell kernel: [17373.875990] Broke affinity for irq 30
Apr 11 16:46:51 dell kernel: [17373.877020] smpboot: CPU 5 is now offline
Apr 11 16:46:51 dell kernel: [17373.891692] Broke affinity for irq 16
Apr 11 16:46:51 dell kernel: [17373.891700] Broke affinity for irq 23
Apr 11 16:46:51 dell kernel: [17373.891707] Broke affinity for irq 27
Apr 11 16:46:51 dell kernel: [17373.891710] Broke affinity for irq 30
Apr 11 16:46:51 dell kernel: [17373.892762] smpboot: CPU 6 is now offline
Apr 11 16:46:51 dell kernel: [17373.907749] Broke affinity for irq 1
Apr 11 16:46:51 dell kernel: [17373.907759] Broke affinity for irq 9
Apr 11 16:46:51 dell kernel: [17373.907764] Broke affinity for irq 12
Apr 11 16:46:51 dell kernel: [17373.907769] Broke affinity for irq 16
Apr 11 16:46:51 dell kernel: [17373.907774] Broke affinity for irq 23
Apr 11 16:46:51 dell kernel: [17373.907777] Broke affinity for irq 25
Apr 11 16:46:51 dell kernel: [17373.907779] Broke affinity for irq 27
Apr 11 16:46:51 dell kernel: [17373.907781] Broke affinity for irq 28
Apr 11 16:46:51 dell kernel: [17373.907783] Broke affinity for irq 30
Apr 11 16:46:51 dell kernel: [17373.908817] smpboot: CPU 7 is now offline
Apr 11 16:46:51 dell kernel: [17373.924754] ACPI: Low-level resume complete
Apr 11 16:46:51 dell kernel: [17373.924793] ACPI : EC: EC started
Apr 11 16:46:51 dell kernel: [17373.924794] PM: Restoring platform NVS memory
Apr 11 16:46:51 dell kernel: [17373.925803] microcode: CPU0 microcode updated early to revision 0x1c, date = 2015-02-26
Apr 11 16:46:51 dell kernel: [17373.925825] Enabling non-boot CPUs ...
Apr 11 16:46:51 dell kernel: [17373.944779] x86: Booting SMP configuration:
Apr 11 16:46:51 dell kernel: [17373.944780] smpboot: Booting Node 0 Processor 1 APIC 0x1
Apr 11 16:46:51 dell kernel: [17373.948142]  cache: parent cpu1 should not be sleeping
Apr 11 16:46:51 dell kernel: [17373.948292] CPU1 is up
Apr 11 16:46:51 dell kernel: [17373.964863] smpboot: Booting Node 0 Processor 2 APIC 0x2
Apr 11 16:46:51 dell kernel: [17373.965785] microcode: CPU2 microcode updated early to revision 0x1c, date = 2015-02-26
Apr 11 16:46:51 dell kernel: [17373.968640]  cache: parent cpu2 should not be sleeping
Apr 11 16:46:51 dell kernel: [17373.968795] CPU2 is up
Apr 11 16:46:51 dell kernel: [17373.988826] smpboot: Booting Node 0 Processor 3 APIC 0x3
Apr 11 16:46:51 dell kernel: [17373.992163]  cache: parent cpu3 should not be sleeping
Apr 11 16:46:51 dell kernel: [17373.992310] CPU3 is up
Apr 11 16:46:51 dell kernel: [17374.008879] smpboot: Booting Node 0 Processor 4 APIC 0x4
Apr 11 16:46:51 dell kernel: [17374.009697] microcode: CPU4 microcode updated early to revision 0x1c, date = 2015-02-26
Apr 11 16:46:51 dell kernel: [17374.012573]  cache: parent cpu4 should not be sleeping
Apr 11 16:46:51 dell kernel: [17374.012722] CPU4 is up
Apr 11 16:46:51 dell kernel: [17374.033044] smpboot: Booting Node 0 Processor 5 APIC 0x5
Apr 11 16:46:51 dell kernel: [17374.036644]  cache: parent cpu5 should not be sleeping
Apr 11 16:46:51 dell kernel: [17374.036796] CPU5 is up
Apr 11 16:46:51 dell kernel: [17374.073039] smpboot: Booting Node 0 Processor 6 APIC 0x6
Apr 11 16:46:51 dell kernel: [17374.073925] microcode: CPU6 microcode updated early to revision 0x1c, date = 2015-02-26
Apr 11 16:46:51 dell kernel: [17374.076895]  cache: parent cpu6 should not be sleeping
Apr 11 16:46:51 dell kernel: [17374.077046] CPU6 is up
Apr 11 16:46:51 dell kernel: [17374.101162] smpboot: Booting Node 0 Processor 7 APIC 0x7
Apr 11 16:46:51 dell kernel: [17374.104861]  cache: parent cpu7 should not be sleeping
Apr 11 16:46:51 dell kernel: [17374.105012] CPU7 is up
Apr 11 16:46:51 dell kernel: [17374.111893] ACPI: Waking up from system sleep state S3
Apr 11 16:46:51 dell kernel: [17374.169369] ehci-pci 0000:00:1d.0: System wakeup disabled by ACPI
Apr 11 16:46:51 dell kernel: [17374.170294] ehci-pci 0000:00:1a.0: System wakeup disabled by ACPI
Apr 11 16:46:51 dell kernel: [17374.170310] xhci_hcd 0000:00:14.0: System wakeup disabled by ACPI
Apr 11 16:46:51 dell kernel: [17374.170418] PM: noirq resume of devices complete after 17.795 msecs

Est-ce normal? (Notez que la fermeture du couvercle fait la même chose, sauf que systemd suspend plus rapidement et effectue moins de tâches).

Après avoir examiné toutes les informations que je peux trouver, je suis arrivé à la conclusion que vous êtes affecté par ce bogue du noyau. qui a affecté de nombreux systèmes, notamment Asus, Dell, HP, Lenovo, etc. les gens en ce moment. Je vous recommande de vous y abonner et de fournir toutes les informations liées au noyau que vous pouvez pour aider à clarifier le problème afin qu'il reste ouvert et que les développeurs puissent l'écraser.

Une solution de contournement probable consiste à mettre à niveau / revenir au noyau 4.4.8 comme indiqué ici et confirmé ici et ici.

Un travail a été demandé pour inverser la bissectrice du noyau, mais le bogue est actuellement expiré, il semble donc que les développeurs n'aient pas obtenu toute l'aide dont ils avaient besoin pour déterminer la cause première de ce comportement. D'après ce que je peux dire en parcourant le rapport de bogue, ce problème est apparu dans le noyau 4.4.0, a été résolu dans 4.4.8 puis est réapparu aux alentours de 4.5.2 mais je ne prétendrai pas en être certain.

Une autre solution de contournement possible pour la mise à niveau du noyau a été signalée ici, même si je n'ai pas trouvé de confirmation à ce sujet.

Si vous utilisez un noyau à partir du référentiel, il pourrait être utile de lancer à ubuntu-bug linuxpartir du terminal pour créer un nouveau rapport de bogue fournissant des informations spécifiques concernant votre noyau / problème.

Vous souhaiterez peut-être également exclure l'exécution dans le désordre en tant que coupable. Vous devriez pouvoir accomplir cela en désactivant tout sauf CPU0 comme:

for x in /sys/devices/system/cpu/cpu*/online; do
  echo 0 >"$x"
done

Vous pouvez également trouver ces informations utiles pour rechercher la cause première de ce problème.

Sources:

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1574125/

/unix/145645/disabling-cpu-cores-on-quad-core-processor-on-linux

C'est le problème spécifique qui apparaît dans dmesg:

PM: Preparing system for sleep (mem)
[...]
PM: Suspending system (mem)

Essayez d'abord de faire:

sudo -H gedit /etc/default/grub

et définissez la ligne:

GRUB_CMDLINE_LINUX_DEFAULT="acpi_backlight=vendor"

D'autres paramètres qui existaient auparavant dans cette ligne peuvent rester inchangés, c'est-à-dire, en ajoutant seulement cela parfois indiqué.

Pour que les modifications soient effectives, exécutez:

sudo update-grub

De plus, il y a le rapport d'un problème avec apt-daily.service, qui est que le service de mise à jour s'exécute au démarrage, ce qui fait que tout fonctionne indéfiniment, impossible de terminer.

Essayez de désactiver le service:

sudo apt-systemctl disable daily.service # disable run when system boot

Une autre solution de contournement qui a fonctionné raisonnablement pour moi:

sudo -H gedit /etc/systemd/system.conf

Modifiez les lignes suivantes sans commentaire et définissez une valeur qui autorise toujours le système de chargement:

# DefaultTimeoutStartSec = 90s
DefaultTimeoutStartSec = 10s
# DefaultTimeoutStopSec = 90s
DefaultTimeoutStopSec = 10s

Notez le dmesg si l'ajustement ne génère pas de défaillance de charge et, le cas échéant, ajustez la valeur.

Concernant ces commentaires:

"... Le noyau suspend partiellement le système et le met hors tension, mais à la fin du processus, suspendre avec réveil immédiat (aucun problème visible autre que dans le journal)"

et

"Exactement le même scénario avec 4.4.8 - Systemd suspend le système et au redémarrage, le noyau se met immédiatement en veille et se réveille. Personne ne saurait que cela se produit à moins d'examiner les journaux que j'ai publiés ci-dessus."

Ce n'est pas un problème réel et est purement une conséquence du moment où la sortie de la console est suspendue et reprise plus tard, mais il est certainement troublant de voir la sortie tamponnée produite pendant la suspension sortir réellement pendant la reprise.

À des fins de débogage, la suspension de la console peut être désactivée:

# echo N > /sys/module/printk/parameters/console_suspend
# cat /sys/module/printk/parameters/console_suspend
N

Déclenchez ensuite la suspension. Par exemple, par:

# echo mem > /sys/power/state

Vous devriez voir toutes les sorties de la console liées à la suspension sortir avant de reprendre exactement comme vous vous y attendez.