今天我在上网本上安装了 64 位 Ubuntu。当上网本启动时，出现错误报告。我认为分区有问题。
Gave up waiting for root device. Common problems:
— Boot args (cat /proc/cmdline)
— Check rootdelay= (did the system wait long enough?)
— Check root= (did the system wait for the right device?)
— Missing modules (cat /proc/modules; ls /dev)
ALERT! /dev/mapper/ubuntu--vg-root does not exist. Dropping to a shell!
BusyBox v.1.21.1 (Ubuntu 1:1.21.1-1ubuntu1) built-in shell (ash)
Enter 'help' for list of built-in commands.
(initramfs)
按要求输出 lsblk：
$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda …