我编译内核后下载到开发板后 提示这些信息,
VFS: Cannot open root device "mtdblock2" or unknown-block(0,0)
Please append a correct "root=" boot option; here are the available partitions:
1f00 65536 mtdblock0 (driver?)
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
Backtrace:
[<c0024428>] (dump_backtrace+0x0/0x10c) from [<c01cba64>] (dump_stack+0x18/0x1c)
r6:c001a83c r5:c0290f84 r4:c0291780 r3:80000013
[<c01cba4c>] (dump_stack+0x0/0x1c) from [<c01cbab4>] (panic+0x4c/0x110)
[<c01cba68>] (panic+0x0/0x110) from [<c0008d24>] (mount_block_root+0x1dc/0x29c)
r3:00000001 r2:00000000 r1:c381df60 r0:c02375cc
r7:00008000
[<c0008b48>] (mount_block_root+0x0/0x29c) from [<c0008e38>] (mount_root+0x54/0x6c)
[<c0008de4>] (mount_root+0x0/0x6c) from [<c0008f78>] (prepare_namespace+0x128/0x180)
r5:c001a851 r4:c0290f84
[<c0008e50>] (prepare_namespace+0x0/0x180) from [<c00089c4>] (kernel_init+0xbc/0xe8)
r5:c0019800 r4:c0019800
[<c0008908>] (kernel_init+0x0/0xe8) from [<c0044f10>] (do_exit+0x0/0x638)
r5:00000000 r4:00000000