Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) 解决方法之一

在uboot设置如下即可
setenv bootargs 'console=ttymxc0,115200 root=/dev/mmcblk1p2 rootwait rw'
setenv bootcmd 'tftp 80800000 zImage; tftp 83000000 imx6ull-alientek-emmc.dtb; bootz 80800000 - 83000000'
saveenv