我们使用的是DM368 自己的板子，nandflash有变动，但与参考设计的DM368的nandflash基本移植，文件系统ubifs的页、块不用变
然后我使用5.1安装目录中的内核、文件系统通过旧的uboot tftp烧写进板子，第一次可以启动，但是重启之后就启动不了。
打印的信息为
Starting kernel ...
[ 0.913426] Error: Driver 'davinci-mcbsp' is already registered, aborting...
[ 1.078283] UBI error: ubi_io_read: error -74 (ECC error) while reading 126976 bytes from PEB 3:4096, read 126976 bytes
[ 1.105206] UBI error: ubi_io_read: error -74 (ECC error) while reading 126976 bytes from PEB 4:4096, read 126976 bytes
[ 1.118579] UBI error: ubi_io_read: error -74 (ECC error) while reading 11 bytes from PEB 9:6144, read 11 bytes
[ 1.141275] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
[ 1.149546] Backtrace:
[ 1.152108] Function entered at [<c002f518>] from [<c0347940>]
[ 1.157950] r7:00008000 r6:c2813000 r5:c002549c r4:c03f5100
[ 1.163745] Function entered at [<c0347928>] from [<c03479ac>]
[ 1.169587] Function entered at [<c0347944>] from [<c0008fc8>]
[ 1.175484] r3:00000000 r2:00000000 r1:c2825f78 r0:c036cf95
[ 1.181261] Function entered at [<c0008de4>] from [<c0009174>]
[ 1.187154] Function entered at [<c00090e0>] from [<c00084b4>]
[ 1.193059] r5:c0024c38 r4:c03f4918
[ 1.196666] Function entered at [<c00083a4>] from [<c00443e0>]
[ 1.202550] r5:c00083a4 r4:00000000
使用源代码通过make clean make 等自己编译的内核和文件系统烧写进板子第一次就启动不了，打印的信息为
[ 0.677274] UBI error: process_eb: bad image sequence number 114512382 in PEB 16, expected 997000216
[ 0.687044] UBI error: ubi_init: cannot attach mtd3
[ 0.773474] Error: Driver 'davinci-mcbsp' is already registered, aborting...
[ 0.921863] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
[ 0.930220] Backtrace:
[ 0.932697] Function entered at [<c002f518>] from [<c0347940>]
[ 0.938537] r7:00008000 r6:c2813000 r5:c002549c r4:c03f5100
[ 0.944320] Function entered at [<c0347928>] from [<c03479ac>]
[ 0.950210] Function entered at [<c0347944>] from [<c0008fc8>]
[ 0.956053] r3:00000000 r2:00000000 r1:c2825f78 r0:c036cf95
[ 0.961903] Function entered at [<c0008de4>] from [<c0009174>]
[ 0.967744] Function entered at [<c00090e0>] from [<c00084b4>]
[ 0.973625] r5:c0024c38 r4:c03f4918
[ 0.977227] Function entered at [<c00083a4>] from [<c00443e0>]
[ 0.983106] r5:c00083a4 r4:00000000
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