大家好，我在做文件系统时，碰到个问题，板子是Tiny6410的，启动时出现以下提示：
UBIFS: mounted UBI device 0, volume 0, name "FriendlyARM-root"
UBIFS: file system size: 253919232 bytes (247968 KiB, 242 MiB, 1968 LEBs)
UBIFS: journal size: 9033728 bytes (8822 KiB, 8 MiB, 71 LEBs)
UBIFS: media format: w4/r0 (latest is w4/r0)
UBIFS: default compressor: lzo
UBIFS: reserved for root: 0 bytes (0 KiB)
switch_root: bad init /linuxrc: Permission denied
Kernel panic - not syncing: Attempted to kill init!
[<c0177c44>] (unwind_backtrace+0x0/0xe4) from [<c04ed1c8>] (panic+0x58/0x174)
[<c04ed1c8>] (panic+0x58/0x174) from [<c0189e48>] (do_exit+0x68/0x5e4)
[<c0189e48>] (do_exit+0x68/0x5e4) from [<c018a688>] (do_group_exit+0x90/0xc4)
[<c018a688>] (do_group_exit+0x90/0xc4) from [<c018a6cc>] (sys_exit_group+0x10/0x18)
[<c018a6cc>] (sys_exit_group+0x10/0x18) from [<c01725e0>] (ret_fast_syscall+0x0/0x30)
我有执行过chmod 777 linuxrc，不知为何会出现这样的问题？
