我的 Linux 终端卡住了

Question

我的系统运行正常，但突然停止工作。我尝试排除故障，但无法理解问题所在。我正在使用 WSL（ubuntu）。

当我使用 cd /mnt/d 时系统卡住了

对此我感到很抱歉，我已经尝试了互联网建议的所有方法，请帮助我

ls -l
total 4168
drwxr-xr-x 2 ianke ianke    4096 Jan 16  2022

ps
  PID TTY          TIME CMD
 1690 pts/14   00:00:00 bash
 1704 pts/14   00:00:00 top
 1706 pts/14   00:00:00 ps

ls -l /bin/cd
ls: cannot access '/bin/cd': No such file or directory
ls -l /bin/cd-
cd-create-profile  cd-fix-profile     cd-iccdump         cd-it8

stat -f /mnt
  File: "/mnt"
    ID: fedc9aa3bd65bc57 Namelen: 255     Type: ext2/ext3
Block size: 4096       Fundamental block size: 4096
Blocks: Total: 65793553   Free: 64431228   Available: 61071689
Inodes: Total: 16777216   Free: 16652708

         nvram   ram2   sdc     tty11   tty22  tty33  tty44  tty55  tty9   vfio

/dev$ ls /dev/sd*

/dev/sda  /dev/sdb  /dev/sdc


:~$ sudo mount /dev/sda1 /mnt
[sudo] password for ianke:
mount: /mnt: special device /dev/sda1 does not exist.

:~$ lsblk
NAME MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda    8:0    0   256G  0 disk
sdb    8:16   0 342.4M  1 disk
sdc    8:32   0   256G  0 disk /

~$ sudo mount /dev/sda1 /mnt
mount: /mnt: special device /dev/sda1 does not exist.

~$ lsblk /dev/sda
NAME MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda    8:0    0  256G  0 disk

~$ sudo fdisk -l /dev/sda
Disk /dev/sda: 256 GiB, 274877906944 bytes, 536870912 sectors
Disk model: Virtual Disk
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes

~$ sudo fsck /dev/sda1
fsck from util-linux 2.34
e2fsck 1.45.5 (07-Jan-2020)
fsck.ext2: No such file or directory while trying to open /dev/sda1
Possibly non-existent device?