我正在使用 Ubuntu 20.04 LTS，并且已从 18.04 LTS 升级。当我调整 Dock 图标的大小时，我发现我的 gnome-shell 崩溃了，并且我的鼠标光标没有移动。当我想显示隐藏文件时也发生了同样的事情，现在当将鼠标放在 Dock 中时，它会显示加载图标。我该怎么办？
注意：我的码头位于底部，显示应用程序图标位于左角。
partho@Partho:~$ ls -al ~/.local/share/gnome-shell/extensions 共 16
drwxrwxr-x 4 partho partho 4096 Jun 15 20:47 .
drwx------ 4 partho partho 4096 Jun 16 22:37 ..
drwxrwxr-x 2 partho partho 4096 Jun 15 19:35 [email protected]
drwxrwxr-x 5 partho partho 4096 Jun 15 20:47 [email protected]
partho@Partho:~$ ls -al /usr/share/gnome-shell/extensions 总计 20
drwxr-xr-x 5 root root 4096 Jun 15 01:55 .
drwxr-xr-x 7 root root 4096 Jun 15 01:56 ..
drwxr-xr-x 2 root root 4096 Jun 15 01:55 desktop-icons@csoriano
drwxr-xr-x 3 root root 4096 Jun 15 01:50 [email protected]
drwxr-xr-x 3 root root 4096 Jun 15 01:52 [email protected]
partho@Partho:~$ 免费 -h
total used free shared buff/cache available
Mem: 7.7Gi 2.1Gi 4.0Gi 290Mi 1.5Gi 5.0Gi
Swap: 15Gi 0B 15Gi
partho@Partho:~$ sysctl vm.swappiness** vm.swappiness = 60
partho@Partho:~$ ls -al /var/crash
total 84272
drwxrwsrwt 2 root whoopsie 4096 Jun 16 21:47 .
drwxr-xr-x 14 root root 4096 Aug 6 2019 ..
-rw-r----- 1 partho whoopsie 42455672 Jun 16 21:47 _opt_google_chrome_chrome.1000.crash
-rw-rw-r-- 1 partho whoopsie 0 Jun 16 21:47 _opt_google_chrome_chrome.1000.upload
-rw-r----- 1 partho whoopsie 43553172 Jun 16 16:09 _usr_bin_gnome-shell.1000.crash
-rw-rw-r-- 1 partho whoopsie 0 Jun 15 03:14 _usr_bin_gnome-shell.1000.upload
-rw-r----- 1 partho whoopsie 270063 Jun 15 03:16 _usr_bin_software-properties-gtk.1000.crash
-rw-rw-r-- 1 partho whoopsie 0 Jun 15 03:16 _usr_bin_software-properties-gtk.1000.upload
partho@Partho:~$ top
top - 01:06:05 up 1:10, 1 user, load average: 0.63, 0.67, 0.69
Tasks: 255 total, 2 running, 253 sleeping, 0 stopped, 0 zombie
%Cpu(s): 1.6 us, 0.8 sy, 0.0 ni, 97.6 id, 0.1 wa, 0.0 hi, 0.0 si, 0.0 st
MiB Mem : 7848.7 total, 4367.2 free, 1765.9 used, 1715.5 buff/cache
MiB Swap: 15625.0 total, 15625.0 free, 0.0 used. 5583.1 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
2195 partho 20 0 4145112 247732 88996 R 8.6 3.1 7:09.97 gnome-shell
1967 partho 20 0 805044 59508 40540 S 4.0 0.7 2:55.32 Xorg
5963 partho 20 0 882348 48040 36928 S 1.7 0.6 0:01.75 gnome-terminal-
1 root 20 0 168032 11972 8460 S 0.7 0.1 0:05.54 systemd
266 root 20 0 0 0 0 I 0.3 0.0 0:02.57 kworker/u8:6-events_power_efficient
2665 partho 20 0 942988 328324 134800 S 0.3 4.1 2:35.87 chrome
5799 partho 20 0 4713356 192860 97576 S 0.3 2.4 0:08.31 chrome
5997 partho 20 0 12560 4240 3380 R 0.3 0.1 0:00.23 top
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
6 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 kworker/0:0H
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 0:00.17 ksoftirqd/0
11 root 20 0 0 0 0 I 0.0 0.0 0:05.06 rcu_sched
12 root rt 0 0 0 0 S 0.0 0.0 0:00.02 migration/0
13 root -51 0 0 0 0 S 0.0 0.0 0:00.00 idle_inject/0
14 root 20 0 0 0 0 S 0.0 0.0 0:00.00 cpuhp/0
15 root 20 0 0 0 0 S 0.0 0.0 0:00.00 cpuhp/1
16 root -51 0 0 0 0 S 0.0 0.0 0:00.00 idle_inject/1
17 root rt 0 0 0 0 S 0.0 0.0 0:00.13 migration/1
18 root 20 0 0 0 0 S 0.0 0.0 0:00.13 ksoftirqd/1
20 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 kworker/1:0H-kblockd
21 root 20 0 0 0 0 S 0.0 0.0 0:00.00 cpuhp/2
22 root -51 0 0 0 0 S 0.0 0.0 0:00.00 idle_inject/2
23 root rt 0 0 0 0 S 0.0 0.0 0:00.12 migration/2
24 root 20 0 0 0 0 S 0.0 0.0 0:00.13 ksoftirqd/2
26 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 kworker/2:0H-kblockd
27 root 20 0 0 0 0 S 0.0 0.0 0:00.00 cpuhp/3
28 root -51 0 0 0 0 S 0.0 0.0 0:00.00 idle_inject/3
29 root rt 0 0 0 0 S 0.0 0.0 0:00.12 migration/3
30 root 20 0 0 0 0 S 0.0 0.0 0:00.21 ksoftirqd/3
32 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 kworker/3:0H-kblockd
33 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kdevtmpfs
34 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 netns
35 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcu_tasks_kthre
36 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kauditd
38 root 20 0 0 0 0 S 0.0 0.0 0:00.00 khungtaskd
39 root 20 0 0 0 0 S 0.0 0.0 0:00.00 oom_reaper
40 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 writeback
41 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kcompactd0
42 root 25 5 0 0 0 S 0.0 0.0 0:00.00 ksmd
43 root 39 19 0 0 0 S 0.0 0.0 0:00.00 khugepaged
partho@Partho:~$ grep -i swap /etc/fstab
# swap was on /dev/sdb2 during installation
UUID=f840c88c-9b5c-406b-a600-fae7d126de3d none swap sw 0 0
partho@Partho:~$ sudo dmidecode -s bios-version F1