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dm368 sd卡启动第二次失败



ti的专家们好,dm368用sd卡烧写成功后用nandflash启动系统,第一次启动系统正常,但是重启后系统就报错:
[    1.408836] UBI error: ubi_io_read: error -74 (ECC error) while reading 126976 bytes from PEB 3:4096, read 126976 bytes
[    1.446611] UBI error: ubi_io_read: error -74 (ECC error) while reading 126976 bytes from PEB 4:4096, read 126976 bytes
[    1.460594] UBI error: ubi_io_read: error -74 (ECC error) while reading 11 bytes from PEB 9:6144, read 11 bytes
[    1.491225] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
[    1.499495] Backtrace:
[    1.502077] Function entered at [<c0040500>] from [<c030be38>]
[    1.507919]  r7:00008000 r6:c2814000 r5:c0023db8 r4:c03ed140
[    1.513715] Function entered at [<c030be20>] from [<c030bea4>]
[    1.519577] Function entered at [<c030be3c>] from [<c0008fc0>]
[    1.525476]  r3:00000000 r2:00000000 r1:c2825f70 r0:c03743ee
[    1.531249] Function entered at [<c0008d5c>] from [<c0009118>]
[    1.537109] Function entered at [<c0009084>] from [<c00084d4>]
[    1.543003]  r5:c0023554 r4:c03ec9b8
[    1.546607] Function entered at [<c00083a4>] from [<c00552bc>]
[    1.552502]  r5:c00083a4 r4:00000000
然后再也起不来了,请问这是什么问题啊?我用的烧写工具是在网上下载的dm3xx_sd_boot-6_leopart.tgz