我启动了我的旧 Ubuntu 系统，它询问我是否要更新。我更新了。启动时，它显示红屏，然后只显示下面的屏幕。这台电脑是戴尔 Inspiron 530，也有 Windows Vista 作为备用启动项。
mount: mounting /dev/loop0 on /root failed: Invalid argument
mount: mounting /dev on /root/dev failed: No such file or directory
mount: mounting /sys on /root/sys failed: No such file or directory
mount: mounting /proc on /root/proc failed: No such file or directory
Target filesystem doesn't have requested /sbin/init.
No init found. Try passing init= bootarg.
Busybox v1.21.1 (Ubuntu 1:1.21.0-1ubuntu1) built-in shell(ash)
Enter 'help' for a list of built-in commands.
(initramfs) _