请教IT工程师：BB-black板子，U盘为媒介更新映像失败

看你只更新了MLO和u-boot，没有更新uImage么？

很抱歉当时贴 打印的时候 漏掉了uImage这句，完整故障log如下，还请jian zhou帮忙看下，期待您的回复，谢谢~

root@beaglebone:/#
root@beaglebone:/# mkdir /media/sda1
root@beaglebone:/# mount /dev/sda1 /media/sda1

root@beaglebone:/# mkdir /media/mmcblk0p1
root@beaglebone:/# mount /dev/mmcblk0p1 /media/mmcblk0p1

root@beaglebone:/# cp -f /media/sda1/MLO /media/mmcblk0p1/

root@beaglebone:/# cp -f /media/sda1/u-boot.img /media/mmcblk0p1/
root@beaglebone:/# ls boot/
root@beaglebone:/#
root@beaglebone:/#
root@beaglebone:/# cp -f /media/sda1/uImage /boot/
root@beaglebone:/# ls boot/
uImage
root@beaglebone:/#
root@beaglebone:/# sync
root@beaglebone:/# reboot
Sending SIGTERM to remaining processes...
Sending SIGKILL to remaining processes...
Hardware watchdog 'OMAP Watchdog', version 0
Unmounting file systems.
Unmounting /media/mmcblk0p1.
Unmounting /media/sda1.
Unmounting /dev/mqueue.
Unmounting /sys/kernel/debug.
Unmounting /etc/machine-id.
All filesystems unmounted.
Deactivating swaps.
All swaps deactivated.
Detaching loop devices.
Detaching loopback /dev/loop7.
Detaching loopback /dev/loop6.
Detaching loopback /dev/loop5.
Detaching loopback /dev/loop4.
Detaching loopback /dev/loop3.
Detaching loopback /dev/loop2.
Detaching loopback /dev/loop1.
Detaching loopback /dev/loop0.
All loop devices detached.
Detaching DM devices.
All DM devices detached.
[ 1451.610734] (NULL device *): gadget not registered.
[ 1451.618534] Restarting system.

U-Boot SPL 2013.01.01 (Sep 28 2014 - 12:03:17)
musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
musb-hdrc: MHDRC RTL version 2.0
musb-hdrc: setup fifo_mode 4
musb-hdrc: 28/31 max ep, 16384/16384 memory
USB Peripheral mode controller at 47401000 using PIO, IRQ 0
musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
musb-hdrc: MHDRC RTL version 2.0
musb-hdrc: setup fifo_mode 4
musb-hdrc: 28/31 max ep, 16384/16384 memory
USB Host mode controller at 47401800 using PIO, IRQ 0
OMAP SD/MMC: 0
reading u-boot.img
reading u-boot.img

U-Boot 2013.01.01 (Sep 28 2014 - 12:03:17)

I2C: ready
DRAM: 512 MiB
WARNING: Caches not enabled
NAND: No NAND device found!!!
0 MiB
MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1
*** Warning - readenv() failed, using default environment

musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
musb-hdrc: MHDRC RTL version 2.0
musb-hdrc: setup fifo_mode 4
musb-hdrc: 28/31 max ep, 16384/16384 memory
USB Peripheral mode controller at 47401000 using PIO, IRQ 0
musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
musb-hdrc: MHDRC RTL version 2.0
musb-hdrc: setup fifo_mode 4
musb-hdrc: 28/31 max ep, 16384/16384 memory
USB Host mode controller at 47401800 using PIO, IRQ 0
Net: <ethaddr> not set. Validating first E-fuse MAC
cpsw, usb_ether
Hit any key to stop autoboot: 0
mmc0 is current device
SD/MMC found on device 0
reading uEnv.txt
14 bytes read in 3 ms (3.9 KiB/s)
Loaded environment from uEnv.txt
Importing environment from mmc ...
reading uImage
** Unable to read file uImage **
3330464 bytes read in 470 ms (6.8 MiB/s)
Booting from mmc ...
## Booting kernel from Legacy Image at 80007fc0 ...
Image Name: Linux-3.2.0
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 3330400 Bytes = 3.2 MiB
Load Address: 00008000
Entry Point: 00008000
Verifying Checksum ... OK
Loading Kernel Image ...                           ------挂在此处

论坛上不是有现成写好的脚本吗？你可以参考一下：

脚本文件：https://github.com/RobertCNelson/tools/blob/master/scripts/beaglebone-black-copy-microSD-to-eMMC.sh

更新例程：http://www.crashcourse.ca/wiki/index.php/BBB_software_update_process

能不能总结一下如何解决的?