构建的文件系统不能正常运行

我按移植手册构建的文件系统烧到板子上系统启动时有错误，开发板的控制终端重复显示：
##### EmbedSky u-boot for TQ2440  #####
Press Space key to Download Mode !
Booting Linux ...
Copy linux kernel from 0x001f0000 to 0x30008000, size = 0x00200000 ... Copy Kernel to SDRAM done,NOW, Booting Linux......
Uncompressing Linux........................................................................................................................ done, booting the kernel.
Linux version 2.6.25.8 (root@EmbedSky) (gcc version 3.4.5) #4 Tue Apr 21 12:21:45 CST 2009
CPU: ARM920T [41129200] revision 0 (ARMv4T), cr=c0007177
Machine: SMDK2440
ATAG_INITRD is deprecated; please update your bootloader.
Memory policy: ECC disabled, Data cache writeback
CPU S3C2440A (id 0x32440001)
S3C244X: core 400.000 MHz, memory 100.000 MHz, peripheral 50.000 MHz
S3C24XX Clocks, (c) 2004 Simtec Electronics
CLOCK: Slow mode (1.500 MHz), fast, MPLL on, UPLL on
CPU0: D VIVT write-back cache
CPU0: I cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets
CPU0: D cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 16256
Kernel command line: noinitrd root=/dev/mtdblock2 init=/linuxrc console=ttySAC0
irq: clearing pending ext status 00080000
irq: clearing subpending status 00000002
PID hash table entries: 256 (order: 8, 1024 bytes)
timer tcon=00500000, tcnt a2c1, tcfg 00000200,00000000, usec 00001eb8
Console: colour dummy device 80x30
console [ttySAC0] enabled
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: 60672KB available (3304K code, 734K data, 188K init)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
net_namespace: 152 bytes
NET: Registered protocol family 16
S3C2410 Power Management, (c) 2004 Simtec Electronics
S3C2440: Initialising architecture
S3C2440: IRQ Support
S3C24XX DMA Driver, (c) 2003-2004,2006 Simtec Electronics
DMA channel 0 at c4800000, irq 33
DMA channel 1 at c4800040, irq 34
DMA channel 2 at c4800080, irq 35
DMA channel 3 at c48000c0, irq 36
S3C244X: Clock Support, DVS off
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
NetWinder Floating Point Emulator V0.97 (double precision)
fuse init (API version 7.9)
yaffs Apr 21 2009 11:35:55 Installing.
io scheduler noop registered
io scheduler deadline registered (default)
Console: switching to colour frame buffer device 40x30
fb0: s3c2410fb frame buffer device
TQ2440/SKY2440 LEDS, (c) 2008,2009 www.embedsky.net
EmbedSky-leds initialized
TQ2440/SKY2440 Beep, (c) 2008,2009 www.embedsky.net
EmbedSky-Beep initialized
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
dm9000 Ethernet Driver
eth%d: Invalid ethernet MAC address.  Please set using ifconfig
eth0: dm9000 at c480e000,c4810004 IRQ 51 MAC: ff:ff:ff:ff:ff:ff
Linux video capture interface: v2.00
usbcore: registered new interface driver gspca
drivers/media/video/gspcavl/gspca_core.c: gspca driver 01.00.20 registered
Driver 'sd' needs updating - please use bus_type methods
Driver 'sr' needs updating - please use bus_type methods
S3C24XX NAND Driver, (c) 2004 Simtec Electronics
s3c2440-nand s3c2440-nand: Tacls=2, 20ns Twrph0=3 30ns, Twrph1=2 20ns
NAND device: Manufacturer ID: 0xec, Chip ID: 0x76 (Samsung NAND 64MiB 3,3V 8-bit)
Scanning device for bad blocks
Bad eraseblock 574 at 0x008f8000
Creating 3 MTD partitions on "NAND 64MiB 3,3V 8-bit":
0x00000000-0x00040000 : "TQ2440_uboot"
0x001f0000-0x003f0000 : "TQ2440_kernel"
0x003f0000-0x03ff8000 : "TQ2440_yaffs2"
usbmon: debugfs is not available
Initial EmbedSky TWO USB HOST Driver!
s3c2410-ohci s3c2410-ohci: S3C24XX OHCI
s3c2410-ohci s3c2410-ohci: new USB bus registered, assigned bus number 1
s3c2410-ohci s3c2410-ohci: irq 42, io mem 0x49000000
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
s3c2410_udc: debugfs dir creation failed -19
s3c2440-usbgadget s3c2440-usbgadget: S3C2440: increasing FIFO to 128 bytes
mice: PS/2 mouse device common for all mice
EmbedSky TouchScreen successfully loaded
input: EmbedSky TouchScreen as /class/input/input0
S3C24XX RTC, (c) 2004,2006 Simtec Electronics
s3c2410-rtc s3c2410-rtc: rtc disabled, re-enabling
s3c2410-rtc s3c2410-rtc: rtc core: registered s3c as rtc0
i2c /dev entries driver
s3c2440-i2c s3c2440-i2c: slave address 0x10
s3c2440-i2c s3c2440-i2c: bus frequency set to 390 KHz
s3c2440-i2c s3c2440-i2c: i2c-0: S3C I2C adapter
S3C2410 Watchdog Timer, (c) 2004 Simtec Electronics
s3c2410-wdt s3c2410-wdt: starting watchdog timer
s3c2410-wdt s3c2410-wdt: watchdog active, reset abled, irq enabled
s3c2440-sdi s3c2410-sdi: unable to get DMA channel.
s3c2440-sdi s3c2410-sdi: powered down.
s3c2440-sdi s3c2410-sdi: initialisation done.
usbcore: registered new interface driver hiddev
usbcore: registered new interface driver usbhid
drivers/hid/usbhid/hid-core.c: v2.6:USB HID core driver
s3c2440-sdi s3c2410-sdi: powered down.
UDA1341 audio driver initialized
TCP cubic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
s3c2410-rtc s3c2410-rtc: setting system clock to 2009-08-27 21:04:26 UTC (1251407066)
yaffs: dev is 32505858 name is "mtdblock2"
yaffs: passed flags ""
yaffs: Attempting MTD mount on 31.2, "mtdblock2"
yaffs: block 322 is marked bad
block 323 is bad
VFS: Mounted root (yaffs filesystem).
Freeing init memory: 188K
cannot run '/etc/init.d/rcS': No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
can't open /dev/s3c2410_serial0: No such file or director
*** Warning - bad CRC or NAND, using default environment
是怎么回事？

查看rcS的权限。估计是你制作文件系统的时候，没有把rcS设置为可执行的了。。。。

针对对/init.d/rcS文件和串口驱动找问题吧 比对手册 应该能OK的

cannot run '/etc/init.d/rcS': No such file or director
检查一下rcS文件的权限，使用chmod +x rcS设置为可执行。