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RÉSOLU Demarrage Ubuntu 20.04 long

globule64

Bonjour,

J'utilise depuis quelques temps Ubuntu 20.04 LTS sur un Eeepc 1015BX.
IL me semble vriment très long a démarrer sans que je ne puisse en déterminer la cause.
Je serais curieux de comprendre pourquoi.

Merci a toute bonne ame

xubu1957

Bonjour,

Ton ordi a combien de RAM ?

Montre, en te servant du Retour utilisable de commande :

free -m

uname -a

systemd-analyze time

systemd-analyze blame

systemd-analyze critical-chain

globule64

Ok merci pour ton aide

free -m
              total       utilisé      libre     partagé tamp/cache   disponible
Mem:           3538        1183         595           8        1759        2109
Partition d'échange:        3817           0        3817

globule64

uname -a
Linux globule-1015BX 5.4.0-58-generic #64-Ubuntu SMP Wed Dec 9 08:16:25 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

systemd-analyze time
Startup finished in 6.654s (kernel) + 1min 19.528s (userspace) = 1min 26.183s 
graphical.target reached after 1min 16.437s in userspace

globule64

 systemd-analyze blame
34.260s plymouth-quit-wait.service                           
23.094s snapd.service                                        
21.288s networkd-dispatcher.service                          
20.050s dev-sda2.device                                      
15.376s udisks2.service                                      
15.352s NetworkManager-wait-online.service                   
13.098s accounts-daemon.service                              
12.429s dev-loop8.device                                     
11.562s NetworkManager.service                               
 9.760s dev-loop4.device                                     
 9.674s dev-loop0.device                                     
 9.667s dev-loop7.device                                     
 9.594s dev-loop6.device                                     
 9.395s dev-loop3.device                                     
 9.269s polkit.service                                       
 9.235s dev-loop5.device                                     
 9.205s dev-loop1.device                                     
 9.186s avahi-daemon.service                                 
 9.010s dev-loop2.device                                     
 7.925s switcheroo-control.service                           
 7.866s thermald.service                                     
 7.837s systemd-logind.service                               
 7.803s wpa_supplicant.service                               
 6.549s ModemManager.service                                 
 5.677s systemd-journal-flush.service                        
 4.988s gpu-manager.service                                  
 4.912s zram-config.service                                  
 4.845s apport.service                                       
 4.559s grub-common.service                                  
 3.909s systemd-udevd.service                                
 3.708s systemd-resolved.service                             
 3.593s rsyslog.service                                      
 3.488s e2scrub_reap.service                                 
 3.264s apport-autoreport.service                            
 3.243s gdm.service                                          
 3.011s tlp.service                                          
 2.747s user@1000.service                                    
 2.457s apparmor.service                                     
 2.150s upower.service                                       
 1.614s grub-initrd-fallback.service                         
 1.491s systemd-tmpfiles-setup.service                       
 1.489s lm-sensors.service                                   
 1.377s systemd-modules-load.service                         
 1.338s systemd-timesyncd.service                            
 1.232s fstrim.service                                       
 1.100s snapd.seeded.service                                 
 1.086s snapd.apparmor.service                               
 1.084s systemd-journald.service                             
 1.060s systemd-random-seed.service                          
 1.029s swapfile.swap                                        
  997ms systemd-sysusers.service                             
  970ms systemd-tmpfiles-setup-dev.service                   
  939ms colord.service                                       
  923ms systemd-udev-trigger.service                         
  899ms systemd-sysctl.service                               
  828ms pppd-dns.service                                     
  798ms keyboard-setup.service                               
  735ms geoclue.service                                      
  657ms modprobe@drm.service                                 
  602ms snap-core18-1932.mount                               
  597ms snap-core18-1944.mount                               
  569ms snap-gnome\x2d3\x2d34\x2d1804-24.mount               
  508ms hddtemp.service                                      
  504ms snap-gnome\x2d3\x2d34\x2d1804-60.mount               
  428ms ufw.service                                          
  420ms kerneloops.service                                   
  411ms systemd-backlight@backlight:acpi_video0.service      
  405ms snap-gtk\x2dcommon\x2dthemes-1506.mount              
  397ms snap-gtk\x2dcommon\x2dthemes-1514.mount              
  388ms snap-snap\x2dstore-498.mount                         
  337ms dev-hugepages.mount                                  
  333ms dev-mqueue.mount                                     
  328ms sys-kernel-debug.mount                               
  322ms sys-kernel-tracing.mount                             
  296ms systemd-tmpfiles-clean.service                       
  284ms kmod-static-nodes.service                            
  264ms systemd-remount-fs.service                           
  221ms snap-snapd-10492.mount                               
  214ms systemd-fsck@dev-disk-by\x2duuid-50DE\x2dAD8D.service
  207ms console-setup.service                                
  204ms snap-snapd-10238.mount                               
  184ms systemd-update-utmp.service                          
  176ms openvpn.service                                      
  173ms plymouth-start.service                               
  165ms user-runtime-dir@1000.service                        
  135ms systemd-update-utmp-runlevel.service                 
  107ms rtkit-daemon.service                                 
   97ms setvtrgb.service                                     
   97ms plymouth-read-write.service                          
   85ms boot-efi.mount                                       
   65ms systemd-backlight@backlight:radeon_bl0.service       
   57ms alsa-restore.service                                 
   51ms systemd-user-sessions.service                        
   30ms sys-kernel-config.mount                              
   19ms sys-fs-fuse-connections.mount                        
   13ms snapd.socket                                         
lines 74-96/96 (END)

globule64

systemd-analyze critical-chain
The time when unit became active or started is printed after the "@" character.
The time the unit took to start is printed after the "+" character.

graphical.target @1min 16.437s
└─multi-user.target @1min 16.432s
  └─kerneloops.service @57.549s +420ms
    └─network-online.target @57.327s
      └─NetworkManager-wait-online.service @41.960s +15.352s
        └─NetworkManager.service @30.384s +11.562s
          └─dbus.service @30.346s
            └─basic.target @30.116s
              └─sockets.target @30.116s
                └─snapd.socket @30.101s +13ms
                  └─sysinit.target @29.895s
                    └─snapd.apparmor.service @28.808s +1.086s
                      └─apparmor.service @26.344s +2.457s
                        └─local-fs.target @26.337s
                          └─run-user-1000-gvfs.mount @1min 3.516s
                            └─run-user-1000.mount @52.589s
                              └─local-fs-pre.target @8.185s
                                └─systemd-tmpfiles-setup-dev.service @7.214s +9>
                                  └─systemd-sysusers.service @6.210s +997ms
                                    └─systemd-remount-fs.service @5.794s +264ms
                                      └─systemd-journald.socket @5.485s
                                        └─system.slice @5.466s
                                          └─-.slice @5.466s

globule64

voila je crois que j'ai réussi ...😛

xubu1957

Tente :

Le 27/12/2019, f.x0 a écritRefais

sudo systemctl disable plymouth-quit-wait.service

sudo systemctl mask plymouth-quit-wait.service

redémarres le pc, et postes le retour de

systemd-analyze

systemd-analyze blame

> [RESOLU] Démarrage très lent

globule64

systemd-analyze
Startup finished in 6.580s (kernel) + 1min 7.011s (userspace) = 1min 13.592s 
graphical.target reached after 53.032s in userspace

globule64

 systemd-analyze blame
20.906s snapd.service                                        
20.362s dev-sda2.device                                      
18.047s networkd-dispatcher.service                          
14.250s apport-autoreport.service                            
12.704s dev-loop8.device                                     
12.125s udisks2.service                                      
12.011s accounts-daemon.service                              
11.140s NetworkManager-wait-online.service                   
10.610s NetworkManager.service                               
10.260s dev-loop7.device                                     
 9.985s dev-loop5.device                                     
 9.982s dev-loop6.device                                     
 9.842s dev-loop4.device                                     
 9.322s dev-loop0.device                                     
 9.257s dev-loop3.device                                     
 9.168s dev-loop1.device                                     
 8.956s dev-loop2.device                                     
 8.760s polkit.service                                       
 7.608s avahi-daemon.service                                 
 6.689s switcheroo-control.service                           
 6.617s thermald.service                                     
 6.597s systemd-logind.service                               
 6.582s wpa_supplicant.service                               
 5.301s systemd-journal-flush.service                        
 5.080s ModemManager.service                                 
 4.362s gpu-manager.service                                  
 4.316s fwupd.service                                        
 4.045s zram-config.service                                  
 4.021s rsyslog.service                                      
 4.020s systemd-udevd.service                                
 3.855s apport.service                                       
 3.694s grub-common.service                                  
 3.547s systemd-resolved.service                             
 3.402s tlp.service                                          
 2.738s user@1000.service                                    
 2.651s lm-sensors.service                                   
 2.561s apparmor.service                                     
 2.313s gdm.service                                          
 2.191s e2scrub_reap.service                                 
 1.661s upower.service                                       
 1.479s systemd-tmpfiles-setup.service                       
 1.448s systemd-sysctl.service                               
 1.402s packagekit.service                                   
 1.361s grub-initrd-fallback.service                         
 1.332s systemd-journald.service                             
 1.294s systemd-timesyncd.service                            
 1.265s keyboard-setup.service                               
 1.242s systemd-udev-trigger.service                         
 1.202s snapd.apparmor.service                               
 1.177s systemd-modules-load.service                         
 1.071s swapfile.swap                                        
  907ms systemd-random-seed.service                          
  871ms geoclue.service                                      
  815ms systemd-tmpfiles-setup-dev.service                   
  810ms colord.service                                       
  726ms openvpn.service                                      
  692ms systemd-sysusers.service                             
  683ms modprobe@drm.service                                 
  679ms pppd-dns.service                                     
  583ms snap-core18-1932.mount                               
  578ms snap-core18-1944.mount                               
  548ms systemd-backlight@backlight:acpi_video0.service      
  505ms snap-gnome\x2d3\x2d34\x2d1804-24.mount               
  466ms snapd.seeded.service                                 
  445ms setvtrgb.service                                     
  440ms snap-gnome\x2d3\x2d34\x2d1804-60.mount               
  374ms snap-gtk\x2dcommon\x2dthemes-1506.mount              
  368ms snap-gtk\x2dcommon\x2dthemes-1514.mount              
  362ms snap-snap\x2dstore-498.mount                         
  336ms ufw.service                                          
  323ms kerneloops.service                                   
  276ms snap-snapd-10492.mount                               
  272ms dev-hugepages.mount                                  
  271ms systemd-remount-fs.service                           
  267ms dev-mqueue.mount                                     
  262ms sys-kernel-debug.mount                               
  256ms sys-kernel-tracing.mount                             
  234ms kmod-static-nodes.service                            
  227ms systemd-fsck@dev-disk-by\x2duuid-50DE\x2dAD8D.service
  208ms hddtemp.service                                      
  182ms systemd-update-utmp.service                          
  173ms snap-snapd-10238.mount                               
  168ms plymouth-start.service                               
  166ms systemd-update-utmp-runlevel.service                 
  127ms user-runtime-dir@1000.service                        
  118ms rtkit-daemon.service                                 
  112ms systemd-user-sessions.service                        
  100ms plymouth-read-write.service                          
   98ms console-setup.service                                
   86ms boot-efi.mount                                       
   78ms sys-fs-fuse-connections.mount                        
   62ms alsa-restore.service                                 
   52ms systemd-backlight@backlight:radeon_bl0.service       
   50ms sys-kernel-config.mount                              
   14ms snapd.socket                                         
lines 73-95/95 (END)

xubu1957

Montre d'éventuels paquets cassés :

dpkg -l | grep -v ^ii

globule64

voila pour les paquets

dpkg -l | grep -v ^ii
Souhait=inconnU/Installé/suppRimé/Purgé/H=à garder
| État=Non/Installé/fichier-Config/dépaqUeté/échec-conFig/H=semi-installé/W=attend-traitement-déclenchements
|/ Err?=(aucune)/besoin Réinstallation (État,Err: majuscule=mauvais)
||/ Nom                                        Version                                    Architecture Description
+++-==========================================-==========================================-============-=======================================================================================================================
rc  linux-image-5.4.0-26-generic               5.4.0-26.30                                amd64        Signed kernel image generic
rc  linux-modules-5.4.0-26-generic             5.4.0-26.30                                amd64        Linux kernel extra modules for version 5.4.0 on 64 bit x86 SMP
rc  linux-modules-extra-5.4.0-26-generic       5.4.0-26.30                                amd64        Linux kernel extra modules for version 5.4.0 on 64 bit x86 SMP

xubu1957

Pour nettoyer :

Le 11/02/2017, moko138 a écritPour supprimer les fichiers de configuration devenus sans objets et marqués "rc", et uniquement ces fichiers, exécute :

dpkg -l | awk '/^rc/{print $2}' | xargs -r sudo dpkg -P

Montre aussi :

snap list --all

globule64

Voila pour "snap list"

snap list --all
Nom                Version             Révision  Suivi            Éditeur     Notes
core18             20201210            1944      latest/stable    canonical✓  base
core18             20200929            1932      latest/stable    canonical✓  base,désactivé
gnome-3-34-1804    0+git.2c86692       24        latest/stable/…  canonical✓  désactivé
gnome-3-34-1804    0+git.3556cb3       60        latest/stable/…  canonical✓  -
gtk-common-themes  0.1-36-gc75f853     1506      latest/stable/…  canonical✓  désactivé
gtk-common-themes  0.1-50-gf7627e4     1514      latest/stable/…  canonical✓  -
snap-store         3.38.0-55-geb45541  498       latest/stable/…  canonical✓  -
snapd              2.48                10238     latest/stable    canonical✓  snapd,désactivé
snapd              2.48.1              10492     latest/stable    canonical✓  snapd

xubu1957

Passe aussi :

snap list --all | awk '/désactivé|disabled/{print $1, $3}' | while read snapname revision; do sudo snap remove "$snapname" --revision="$revision"; done

globule64

C'est passé

 snap list --all | awk '/désactivé|disabled/{print $1, $3}' | while read snapname revision; do sudo snap remove "$snapname" --revision="$revision"; done
core18 (révision 1932) supprimé
gnome-3-34-1804 (révision 24) supprimé
gtk-common-themes (révision 1506) supprimé
snapd (révision 10238) supprimé

xubu1957

Redémarre l'ordi et redonne :

systemd-analyze time

systemd-analyze blame

globule64

systemd-analyze time
Startup finished in 6.638s (kernel) + 1min 20.638s (userspace) = 1min 27.277s 
graphical.target reached after 1min 7.226s in userspace

globule64

systemd-analyze blame
27.475s NetworkManager-wait-online.service                   
20.827s snapd.service                                        
20.027s dev-sda2.device                                      
18.476s networkd-dispatcher.service                          
13.783s udisks2.service                                      
13.770s apport-autoreport.service                            
12.573s accounts-daemon.service                              
11.485s dev-loop4.device                                     
10.455s dev-loop1.device                                     
10.240s dev-loop2.device                                     
10.148s dev-loop0.device                                     
 9.956s dev-loop3.device                                     
 9.316s polkit.service                                       
 8.989s avahi-daemon.service                                 
 8.956s NetworkManager.service                               
 8.002s switcheroo-control.service                           
 7.915s thermald.service                                     
 7.896s systemd-logind.service                               
 7.880s wpa_supplicant.service                               
 7.503s fwupd.service                                        
 6.461s systemd-journal-flush.service                        
 5.185s systemd-udevd.service                                
 4.944s gpu-manager.service                                  
 4.941s apport.service                                       
 4.800s grub-common.service                                  
 4.630s rsyslog.service                                      
 4.371s ModemManager.service                                 
 4.008s zram-config.service                                  
 3.771s gdm.service                                          
 3.667s systemd-resolved.service                             
 3.285s tlp.service                                          
 3.078s e2scrub_reap.service                                 
 2.718s apparmor.service                                     
 2.304s user@1000.service                                    
 1.727s lm-sensors.service                                   
 1.720s upower.service                                       
 1.689s packagekit.service                                   
 1.472s systemd-journald.service                             
 1.470s systemd-tmpfiles-setup.service                       
 1.466s grub-initrd-fallback.service                         
 1.214s keyboard-setup.service                               
 1.202s systemd-udev-trigger.service                         
 1.105s systemd-timesyncd.service                            
 1.097s systemd-modules-load.service                         
 1.065s snapd.apparmor.service                               
 1.064s colord.service                                       
 1.051s swapfile.swap                                        
  849ms pppd-dns.service                                     
  795ms systemd-sysctl.service                               
  758ms systemd-sysusers.service                             
  736ms geoclue.service                                      
  712ms systemd-random-seed.service                          
  678ms modprobe@drm.service                                 
  602ms plymouth-start.service                               
  573ms openvpn.service                                      
  568ms systemd-user-sessions.service                        
  544ms systemd-tmpfiles-setup-dev.service                   
  540ms setvtrgb.service                                     
  491ms systemd-backlight@backlight:acpi_video0.service      
  478ms ufw.service                                          
  414ms snap-core18-1944.mount                               
  405ms snap-gnome\x2d3\x2d34\x2d1804-60.mount               
  405ms kerneloops.service                                   
  371ms snap-snapd-10492.mount                               
  336ms snapd.seeded.service                                 
  286ms dev-hugepages.mount                                  
  281ms dev-mqueue.mount                                     
  277ms sys-kernel-debug.mount                               
  263ms sys-kernel-tracing.mount                             
  258ms systemd-remount-fs.service                           
  248ms snap-gtk\x2dcommon\x2dthemes-1514.mount              
  237ms snap-snap\x2dstore-498.mount                         
  236ms kmod-static-nodes.service                            
  210ms hddtemp.service                                      
  202ms systemd-fsck@dev-disk-by\x2duuid-50DE\x2dAD8D.service
  189ms rtkit-daemon.service                                 
  170ms console-setup.service                                
  170ms systemd-update-utmp.service                          
  159ms user-runtime-dir@1000.service                        
  138ms alsa-restore.service                                 
  138ms plymouth-read-write.service                          
  105ms sys-fs-fuse-connections.mount                        
  103ms systemd-update-utmp-runlevel.service                 
   89ms sys-kernel-config.mount                              
   86ms boot-efi.mount                                       
   42ms systemd-backlight@backlight:radeon_bl0.service       
   10ms snapd.socket                                         
lines 65-87/87 (END)

globule64

OK. Je n'ai rien compris a ce que j'ai fait mais je te remercie pour ton aide

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