无法挂载文件系统

求助 ！！！！！！！！！！！！！！！！！！

done.
ls: /dev/mmcblk*: No such file or directory
ls: /dev/mmcblk*: No such file or directory
ls: /dev/mmcblk*: No such file or directory
ls: /dev/mmcblk*: No such file or directory
ls: /dev/mmcblk*: No such file or directory
ls: /dev/mmcblk*: No such file or directory
ls: /dev/mmcblk*: No such file or directory
ls: /dev/mmcblk*: No such file or directory
ls: /dev/mmcblk*: No such file or directory
ls: /dev/mmcblk*: No such file or directory
Gave up waiting for root file system device.  Common problems:
- Boot args (cat /proc/cmdline)
   - Check rootdelay= (did the system wait long enough?)
- Missing modules (cat /proc/modules; ls /dev)
ALERT!  PARTLABEL=rootfs does not exist.  Dropping to a shell!


BusyBox v1.27.2 (Ubuntu 1:1.27.2-2ubuntu3.2) built-in shell (ash)
Enter 'help' for a list of built-in commands.

(initramfs) [  134.100012] cdn-dp fec00000.dp: [drm:cdn_dp_request_firmware] *ERROR* Timed out trying to load firmware

(initramfs)
(initramfs)
(initramfs)

无法挂载文件系统