帮看看 Am335x Boot from Nand 这个问题
VFS: Cannot open root device "ubi0:rootfs" or unknown-block(0,0)
[ 3.833060] Please append a correct "root=" boot option; here are the available partitions:
[ 3.841809] 1f00 128 mtdblock0 (driver?)
[ 3.847093] 1f01 128 mtdblock1 (driver?)
[ 3.852374] 1f02 128 mtdblock2 (driver?)
[ 3.857647] 1f03 128 mtdblock3 (driver?)
[ 3.862925] 1f04 1920 mtdblock4 (driver?)
[ 3.868195] 1f05 128 mtdblock5 (driver?)
[ 3.873475] 1f06 5120 mtdblock6 (driver?)
[ 3.878744] 1f07 254464 mtdblock7 (driver?)
[ 3.884023] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
[ 3.892644] Backtrace:
[ 3.895232] [<c0017990>] (dump_backtrace+0x0/0x110) from [<c03e6c7c>] (dump_stack+0x18/0x1c)
[ 3.904038] r6:cf99f000 r5:c055e9a4 r4:c05c3da0 r3:c058e250
[ 3.909961] [<c03e6c64>] (dump_stack+0x0/0x1c) from [<c03e6cec>] (panic+0x6c/0x1a0)
[ 3.917962] [<c03e6c80>] (panic+0x0/0x1a0) from [<c0534cb4>] (mount_block_root+0x184/0x228)
[ 3.926675] r3:c058e250 r2:00000000 r1:cf81bf78 r0:c04adf70
[ 3.932594] r7:00008000
[ 3.935240] [<c0534b30>] (mount_block_root+0x0/0x228) from [<c0534fd0>] (prepare_namespace+0xac/0x1dc)
[ 3.944956] [<c0534f24>] (prepare_namespace+0x0/0x1dc) from [<c053490c>] (kernel_init+0x124/0x130)
[ 3.954302] r5:c056ca28 r4:c056ca28
[ 3.958053] [<c05347e8>] (kernel_init+0x0/0x130) from [<c004076c>] (do_exit+0x0/0x6a0)
[ 3.966320] r5:c05347e8 r4:00000000
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