文件系统挂载

lib80211: common routines for IEEE802.11 drivers
s3c2410-rtc s3c2410-rtc: setting system clock to 2008-12-06 09:28:01 UTC (1228555681)
List of all partitions:
1f00             256 mtdblock0 (driver?)
1f01            3072 mtdblock1 (driver?)
1f02          257024 mtdblock2 (driver?)
No filesystem could mount root, tried:  vfat msdos iso9660
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(31,2)
Backtrace:
[<c0048fd4>] (dump_backtrace+0x0/0x10c) from [<c0341338>] (dump_stack+0x18/0x1c)
r7:c380c0cc r6:c04ade00 r5:c380c000 r4:c381df40
[<c0341320>] (dump_stack+0x0/0x1c) from [<c0341388>] (panic+0x4c/0x124)
[<c034133c>] (panic+0x0/0x124) from [<c0008e90>] (mount_block_root+0x1d8/0x234)
r3:00000029 r2:c381df53 r1:c381df40 r0:c04092b8
[<c0008cb8>] (mount_block_root+0x0/0x234) from [<c0008f9c>] (mount_root+0xb0/0xf4)
[<c0008eec>] (mount_root+0x0/0xf4) from [<c00090d8>] (prepare_namespace+0xf8/0x18c)
r7:c04ad7e4 r6:c002083c r5:c002083c r4:c002084c
[<c0008fe0>] (prepare_namespace+0x0/0x18c) from [<c0008478>] (kernel_init+0xc8/0xf4)
r7:00000000 r6:c001faf0 r5:c001f6cc r4:c001faf0
[<c00083b0>] (kernel_init+0x0/0xf4) from [<c0059f30>] (do_exit+0x0/0x620)
r7:00000000 r6:00000000 r5:00000000 r4:00000000
*** Warning - bad CRC or NAND, using default environment
出现这样的错误 请问哪位大神知道是什么问题 我的文件系统是放在第二分区的！