下载 initrd
git clone https://github.com/TeeFirefly/initrd.gitmake -C initrd
然后制作成 boot.img 烧录到boot分区，，，启动，，进不了ubuntu.
Loading, please wait...
[ 7.539963] udevd[148]: starting version 175
Begin: Loading essential drivers ... FATAL: Could not load /lib/modules/3.10.0/modules.dep: No such file or directory
FATAL: Could not load /lib/modules/3.10.0/modules.dep: No such file or directory
FATAL: Could not load /lib/modules/3.10.0/modules.dep: No such file or directory
FATAL: Could not load /lib/modules/3.10.0/modules.dep: No such file or directory
done.
Begin: Running /scripts/init-premount ... done.
Begin: Mounting root file system ... Begin: Running /scripts/local-top ... done.
ext4
Begin: Running /scripts/local-premount ... FATAL: Could not load /lib/modules/3.10.0/modules.dep: No such file or directory
done.
FATAL: Could not load /lib/modules/3.10.0/modules.dep: No such file or directory
[ 8.659757] EXT4-fs (mmcblk0p5): mounted filesystem with ordered data mode. Opts: (null)
Begin: Running /scripts/local-bottom ... done.
done.
Begin: Running /scripts/init-bottom ... mount: mounting /dev on /root/dev failed: No such file or directory
done.
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.
FATAL: Could not load /lib/modules/3.10.0/modules.dep: No such file or directory
FATAL: Could not load /lib/modules/3.10.0/modules.dep: No such file or directory
/bin/sh: can't access tty; job control turned off
(initramfs) [ 11.984617] [otg id chg] last id -1 current id 1
(initramfs)