Ubuntu 20.04.3 LTS 桌面有时会暂时卡住

Ubuntu 20.04.3 LTS 桌面有时会暂时卡住

我已经在 Windows 10 旁边安装了 Ubuntu 20.04.3 LTS 桌面。

Ubuntu 会随机瞬间卡住。有没有什么办法可以解决这个问题?

我在论坛上找不到其他人有类似的问题。可能是我表述不正确,对此我深表歉意。

谢谢。

我有 16 GB RAM,是的,我有一张专用的显卡 - NVIDIA GeForce GTX 1050。

编辑2:(根据 heynnema 的评论)

输出free -h

$ free -h
              total        used        free      shared  buff/cache   available
Mem:           15Gi       1.4Gi        12Gi        48Mi       1.3Gi        13Gi
Swap:         2.0Gi          0B       2.0Gi

输出sysctl vm.swappiness

$ sysctl vm.swappiness
vm.swappiness = 60

输出swapon -s

$ swapon -s
Filename                Type        Size    Used    Priority
/swapfile               file        2097148 0       -2

输出top

$ top

top - 09:21:12 up 14 min,  1 user,  load average: 0.43, 0.88, 0.95
Tasks: 327 total,   1 running, 326 sleeping,   0 stopped,   0 zombie
%Cpu(s):  0.6 us,  0.3 sy,  0.0 ni, 99.1 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
MiB Mem :  15889.6 total,  13029.0 free,   1483.1 used,   1377.5 buff/cache
MiB Swap:   2048.0 total,   2048.0 free,      0.0 used.  14071.3 avail Mem 

    PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND                                                                                                                
   1551 root      20   0   24.3g 123560  74008 S   8.3   0.8   0:30.02 Xorg                                                                                                                   
   3461 boosh   20   0  823580  52064  39256 S   6.6   0.3   0:02.73 gnome-terminal-                                                                                                        
   1750 boosh   20   0 4225016 297076 109712 S   5.0   1.8   0:47.69 gnome-shell                                                                                                            
   1134 root     -51   0       0      0      0 S   0.7   0.0   0:05.76 irq/142-nvidia                                                                                                         
   1136 root      20   0       0      0      0 S   0.7   0.0   0:01.14 nv_queue                                                                                                               
   1258 gdm       20   0 4114192 173864  95764 S   0.7   1.1   0:07.09 gnome-shell                                                                                                            
      1 root      20   0  167500  11592   8356 S   0.0   0.1   0:01.89 systemd                                                                                                                
      2 root      20   0       0      0      0 S   0.0   0.0   0:00.00 kthreadd                                                                                                               
      3 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 rcu_gp                                                                                                                 
      4 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 rcu_par_gp                                                                                                             
      5 root      20   0       0      0      0 I   0.0   0.0   0:00.00 kworker/0:0-mm_percpu_wq                                                                                               
      6 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 kworker/0:0H-events_highpri                                                                                            
      9 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 mm_percpu_wq                                                                                                           
     10 root      20   0       0      0      0 S   0.0   0.0   0:00.00 rcu_tasks_rude_                                                                                                        
     11 root      20   0       0      0      0 S   0.0   0.0   0:00.00 rcu_tasks_trace                                                                                                        
     12 root      20   0       0      0      0 S   0.0   0.0   0:00.02 ksoftirqd/0                                                                                                            
     13 root      20   0       0      0      0 I   0.0   0.0   0:00.44 rcu_sched                                                                                                              
     14 root      rt   0       0      0      0 S   0.0   0.0   0:00.01 migration/0                                                                                                            
     15 root     -51   0       0      0      0 S   0.0   0.0   0:00.00 idle_inject/0                                                                                                          
     16 root      20   0       0      0      0 S   0.0   0.0   0:00.00 cpuhp/0                                                                                                                
     17 root      20   0       0      0      0 S   0.0   0.0   0:00.00 cpuhp/1                                                                                                                
     18 root     -51   0       0      0      0 S   0.0   0.0   0:00.00 idle_inject/1                                                                                                          
     19 root      rt   0       0      0      0 S   0.0   0.0   0:00.16 migration/1                                                                                                            
     20 root      20   0       0      0      0 S   0.0   0.0   0:00.02 ksoftirqd/1                                                                                                            
     22 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 kworker/1:0H-events_highpri                                                                                            
     23 root      20   0       0      0      0 S   0.0   0.0   0:00.00 cpuhp/2                                                                                                                
     24 root     -51   0       0      0      0 S   0.0   0.0   0:00.00 idle_inject/2                                                                                                          
     25 root      rt   0       0      0      0 S   0.0   0.0   0:00.16 migration/2                                                                                                            
     26 root      20   0       0      0      0 S   0.0   0.0   0:00.01 ksoftirqd/2                                                                                                            
     28 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 kworker/2:0H-events_highpri                                                                                            
     29 root      20   0       0      0      0 S   0.0   0.0   0:00.00 cpuhp/3                                                                                                                
     30 root     -51   0       0      0      0 S   0.0   0.0   0:00.00 idle_inject/3                                                                                                          
     31 root      rt   0       0      0      0 S   0.0   0.0   0:00.16 migration/3                                                                                                            
     32 root      20   0       0      0      0 S   0.0   0.0   0:00.02 ksoftirqd/3                                                                                                            
     34 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 kworker/3:0H-events_highpri                                                                                            
     35 root      20   0       0      0      0 S   0.0   0.0   0:00.00 cpuhp/4                                                                                                                
     36 root     -51   0       0      0      0 S   0.0   0.0   0:00.00 idle_inject/4                                                                                                          
     37 root      rt   0       0      0      0 S   0.0   0.0   0:00.17 migration/4                                                                                                            
     38 root      20   0       0      0      0 S   0.0   0.0   0:00.01 ksoftirqd/4                                                                                                            
     40 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 kworker/4:0H-kblockd

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