Ubuntu 20.04 사용자 공간 부팅 시간이 느림

Ubuntu 20.04 사용자 공간 부팅 시간이 느림

저는 Thinkpad t470에 512GB SSD와 Windows 듀얼 부팅을 사용하고 있는데 며칠 전부터 부팅 속도가 느려졌습니다. 무엇이 문제일까요?

❯ systemd-analyze time
Startup finished in 6.112s (firmware) + 7.896s (loader) + 2.188s (kernel) + 32.111s (userspace) = 48.309s 
graphical.target reached after 32.060s in userspace

❯ systemd-analyze blame
28.501s plymouth-quit-wait.service                           
 2.612s fwupd-refresh.service                                
 1.833s dev-loop11.device                                    
 1.831s dev-loop12.device                                    
 1.827s dev-loop9.device                                     
 1.827s dev-loop13.device                                    
 1.710s dev-loop8.device                                     
 1.667s dev-loop15.device                                    
 1.654s dev-loop10.device                                    
 1.611s ua-timer.service                                     
 1.583s dev-loop14.device                                    
 1.547s dev-loop16.device                                    
 1.506s dev-nvme0n1p5.device                                 
 1.446s dev-loop7.device                                     
 1.260s fwupd.service                                        
  982ms systemd-rfkill.service                               
  819ms apport.service                                       
  689ms accounts-daemon.service                              
  653ms avahi-daemon.service                                 
  595ms snapd.service                                        
  539ms NetworkManager.service                               
  475ms systemd-logind.service                               
  472ms apport-autoreport.service                            
  438ms networkd-dispatcher.service                          
  372ms dev-loop2.device                                     
  368ms dev-loop1.device                                     
  365ms dev-loop3.device                                     
  363ms dev-loop0.device                                     
  361ms systemd-resolved.service                             
  356ms udisks2.service                                      
  344ms e2scrub_reap.service                                 
  326ms snapd.apparmor.service                               
  321ms dev-loop6.device                                     
  319ms gpu-manager.service                                  
  305ms grub-common.service                                  
  301ms systemd-udev-trigger.service                         
  290ms systemd-journal-flush.service                        
  280ms snap-bare-5.mount                                    
  268ms snap-core20-1695.mount                               
  264ms snap-gnome\x2d3\x2d28\x2d1804-161.mount              
  262ms snap-gnome\x2d3\x2d38\x2d2004-115.mount              
  260ms apparmor.service                                     
  259ms dev-loop4.device                                     
  257ms snap-gnome\x2d3\x2d38\x2d2004-119.mount              
  249ms snap-gnome\x2d42\x2d2204-29.mount                    
  248ms polkit.service                                       
  247ms snap-gtk\x2dcommon\x2dthemes-1535.mount              
  247ms systemd-timesyncd.service                            
  243ms snap-postman-184.mount                               
  241ms snap-snap\x2dstore-558.mount                         
  241ms dev-loop5.device                                     
  240ms snap-snap\x2dstore-599.mount                         
  238ms snap-snapd-16292.mount                               
  237ms snap-snapd-17336.mount                               
lines 1-54

답변1

아마도 몇 가지 애플리케이션이 스냅으로 설치되어 있고 각 애플리케이션에 대해 루프 장치가 마운트되어 있을 것입니다.

1.833s dev-loop11.device
1.831s dev-loop12.device
1.827s dev-loop9.device
1.827s dev-loop13.device
1.710s dev-loop8.device
1.667s dev-loop15.device
1.654s dev-loop10.device

사용하지 않는 스냅을 제거할 수 있습니다.

관련 정보