2440文件系统起不来

linux启动串口信息，起不来一直重启，能帮忙看看是哪里的问题吗？
load Image of Linux...Uncompressing Linux........................................................................................................... done, booting the kernel.
Linux version 2.6.32.2-GatewayARM (root@ReneSola) (gcc version 4.3.3 (Sourcery G++ Lite 2009q1-176) ) 04 Thu May 16 09:26:36 CST 2013
CPU: ARM920T [41129200] revision 0 (ARMv4T), cr=c0007177
CPU: VIVT data cache, VIVT instruction cache
Machine: FriendlyARM Mini2440 development board
Converting old-style param struct to taglist
ATAG_INITRD is deprecated; please update your bootloader.
Memory policy: ECC disabled, Data cache writeback
On node 0 totalpages: 16384
free_area_init_node: node 0, pgdat c0344dd8, node_mem_map c0378000
  Normal zone: 128 pages used for memmap
  Normal zone: 0 pages reserved
  Normal zone: 16256 pages, LIFO batch:3
CPU S3C2440A (id 0x32440001)
S3C24XX Clocks, (c) 2004 Simtec Electronics
S3C244X: core 405.000 MHz, memory 101.250 MHz, peripheral 50.625 MHz
CLOCK: Slow mode (1.500 MHz), fast, MPLL on, UPLL on
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 16256
Kernel command line: noinitrd root=/dev/mtdblock3 init=/linuxrc console=ttySAC0
PID hash table entries: 256 (order: -2, 1024 bytes)
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory: 64MB = 64MB total
Memory: 61364KB available (3056K code, 345K data, 112K init, 0K highmem)
SLUB: Genslabs=11, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Hierarchical RCU implementation.
NR_IRQS:85
irq: clearing subpending status 00000002
timer tcon=00000000, tcnt 20f4, tcfg 00000200,00000000, usec 00001e57
Console: colour dummy device 80x30
console [ttySAC0] enabled
Calibrating delay loop... 200.70 BogoMIPS (lpj=100352)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
NET: Registered protocol family 16
S3C2440: Initialising architecture
S3C2440: IRQ Support
S3C24XX DMA Driver, (c) 2003-2004,2006 Simtec Electronics
DMA channel 0 at c4808000, irq 33
DMA channel 1 at c4808040, irq 34
DMA channel 2 at c4808080, irq 35
DMA channel 3 at c48080c0, irq 36
S3C244X: Clock Support, DVS off
bio: create slab <bio-0> at 0
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 2048 (order: 2, 16384 bytes)
TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
TCP: Hash tables configured (established 2048 bind 2048)
TCP reno registered
NET: Registered protocol family 1
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
NetWinder Floating Point Emulator V0.97 (double precision)
yaffs May 16 2013 09:22:44 Installing.
msgmni has been set to 119
alg: No test for stdrng (krng)
io scheduler noop registered (default)
s3c2410fb: devinit
s3c2410fb: got and enabled clock
s3c2410fb: map_video_memory(fbi=c3876a50) map_size 262144
s3c2410fb: map_video_memory: clear ffc00000:00040000
s3c2410fb: map_video_memory: dma=338c0000 cpu=ffc00000 size=00040000
s3c2410fb: got video memory
s3c2410fb: LPCSEL    = 0x00000f82
s3c2410fb: replacing TPAL 00000000
s3c2410fb: check_var(var=c3876820, info=c3876800)
s3c2410fb: pixclk 100000, divisor is 10
s3c2410fb: s3c2410fb_activate_var: var->xres  = 480
s3c2410fb: s3c2410fb_activate_var: var->yres  = 272
s3c2410fb: s3c2410fb_activate_var: var->bpp   = 16
s3c2410fb: setting vert: up=2, low=6, sync=2
s3c2410fb: setting horz: lft=20, rt=37, sync=6
s3c2410fb: new register set:
s3c2410fb: lcdcon[1] = 0x00000478
s3c2410fb: lcdcon[2] = 0x0143c141
s3c2410fb: lcdcon[3] = 0x0121df13
s3c2410fb: lcdcon[4] = 0x00000005
s3c2410fb: lcdcon[5] = 0x00000b09
s3c2410fb: LCDSADDR1 = 0x19c60000
s3c2410fb: LCDSADDR2 = 0x19c7fe00
s3c2410fb: LCDSADDR3 = 0x000001e0
Console: switching to colour frame buffer device 60x17
fb0: s3c2410fb frame buffer device
backlightinitialized
buttonsinitialized
adcinitialized
s3c2440-uart.0: s3c2410_serial0 at MMIO 0x50000000 (irq = 70) is a S3C2440
s3c2440-uart.1: s3c2410_serial1 at MMIO 0x50004000 (irq = 73) is a S3C2440
s3c2440-uart.2: s3c2410_serial2 at MMIO 0x50008000 (irq = 76) is a S3C2440
loop: module loaded
S3C24XX NAND Driver, (c) 2004 Simtec Electronics
s3c24xx-nand s3c2440-nand: Tacls=3, 29ns Twrph0=7 69ns, Twrph1=3 29ns
s3c24xx-nand s3c2440-nand: NAND soft ECC
NAND device: Manufacturer ID: 0xec, Chip ID: 0xda (Samsung NAND 256MiB 3,3V 8-bit)
Scanning device for bad blocks
Bad eraseblock 666 at 0x000005340000
。。。
Bad eraseblock 1018 at 0x000007f40000
Creating 5 MTD partitions on "NAND 256MiB 3,3V 8-bit":
0x000000000000-0x000000040000 : "supervivi"
0x000000040000-0x000000060000 : "param"
0x000000060000-0x000000560000 : "Kernel"
0x000000560000-0x000040560000 : "root"
mtd: partition "root" extends be
yaffs_read_super: isCheckpointed 0
VFS: Mounted root (yaffs filesystem) on device 31:3.
Freeing init memory: 112K
Failed to execute /linuxrc.  Attempting defaults...
Kernel panic - not syncing: No init found.  Try passing init= option to kernel.
Backtrace:
[<c00291e8>] (dump_backtrace+0x0/0x10c) from [<c025b000>] (dump_stack+0x18/0x1c)
r7:00000000 r6:c0345c90 r5:c0345420 r4:c03241a0
[<c025afe8>] (dump_stack+0x0/0x1c) from [<c025b050>] (panic+0x4c/0x12c)
[<c025b004>] (panic+0x0/0x12c) from [<c002459c>] (init_post+0xec/0x178)
r3:00000000 r2:c3869c00 r1:c0378000 r0:c02dabbc
[<c00244b0>] (init_post+0x0/0x178) from [<c00084c4>] (kernel_init+0xf4/0x124)
r5:c001d5d4 r4:c001d5d4
[<c00083d0>] (kernel_init+0x0/0x124) from [<c0040ef4>] (do_exit+0x0/0x62c)
r7:00000000 r6:00000000 r5:00000000 r4:00000000

文件系统制作不对“Failed to execute /linuxrc.  Attempting defaults.”

我知道是文件系统不对，具体哪里不对，要怎么改？