将Qtopia-2.2.0加载到NFS网络文件系统

用TQ2440 参照“天嵌科技出品--Qt程序开发完全手册之24小时超级版本_V2.5_20120106”这个文档操作，将Qtopia-2.2.0加载到NFS文件系统后，启动开发板无法进入QT界面，只显示了一个logo界面。启动开发板后 secureCRT 界面的
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
s3c2440-i2c s3c2440-i2c: slave address 0x10
s3c2440-i2c s3c2440-i2c: bus frequency set to 97 KHz
s3c2440-i2c s3c2440-i2c: i2c-0: S3C I2C adapter
cfg80211: Calling CRDA to update world regulatory domain
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
Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
yaffs Apr 29 2015 11:07:38 Installing.
msgmni has been set to 116
alg: No test for stdrng (krng)
io scheduler noop registered (default)
Console: switching to colour frame buffer device 60x17
fb0: s3c2410fb frame buffer device
bkl initialized
led initialized
beep initialized
adc initialized
s3c2440-uart.0: ttySAC0 at MMIO 0x50000000 (irq = 70) is a S3C2440
s3c2440-uart.1: ttySAC1 at MMIO 0x50004000 (irq = 73) is a S3C2440
s3c2440-uart.2: ttySAC2 at MMIO 0x50008000 (irq = 76) is a S3C2440
loop: module loaded
Driver 'sd' needs updating - please use bus_type methods
PPP generic driver version 2.4.2
PPP Deflate Compression module registered
PPP BSD Compression module registered
PPP MPPE Compression module registered
NET: Registered protocol family 24
PPPoL2TP kernel driver, V1.0
dm9000 Ethernet Driver, V1.31
dm9000_set_io byte_width 4
dm9000_set_io byte_width 2
dm9000 revision 0x01  io_mode 00
Now use the default MAC address: 10:23:45:67:89:ab
eth0 (dm9000): not using net_device_ops yet
eth0: dm9000e at c4818000,c481c004 IRQ 51 MAC: 10:23:45:67:89:ab (EmbedSky)
S3C24XX NAND Driver, (c) 2004 Simtec Electronics
s3c2440-nand s3c2440-nand: Tacls=2, 20ns Twrph0=3 30ns, Twrph1=2 20ns
NAND device: Manufacturer ID: 0x01, Chip ID: 0xda (AMD NAND 256MiB 3,3V 8-bit)
NAND_ECC_NONE selected by board driver. This is not recommended !!
Scanning device for bad blocks
Creating 3 MTD partitions on "NAND 256MiB 3,3V 8-bit":
0x000000000000-0x000000040000 : "EmbedSky_Board_uboot"
0x000000200000-0x000000500000 : "EmbedSky_Board_kernel"
0x000000500000-0x000010000000 : "EmbedSky_Board_yaffs2"
ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) 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: New USB device found, idVendor=1d6b, idProduct=0001
usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb1: Product: S3C24XX OHCI
usb usb1: Manufacturer: Linux 2.6.30.4-EmbedSky ohci_hcd
usb usb1: SerialNumber: s3c24xx
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.
usbcore: registered new interface driver usbserial
usbserial: USB Serial Driver core
USB Serial support registered for pl2303
usbcore: registered new interface driver pl2303
pl2303: Prolific PL2303 USB to serial adaptor driver
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
input: tq2440-keys as /devices/platform/tq2440-keys/input/input0
TQ2440 TouchScreen successfully loaded
input: TQ2440 TouchScreen as /devices/virtual/input/input1
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
Linux video capture interface: v2.00
initializing s3c2440 camera interface......
s3c2440 camif init done
Loading cam-dev driver.........
ov9650 address 0x60, manufacture ID 0xFFFF, expect 0x7FA2
SAA7113 address 0x4A, manufacture 0xFF, expect 0x11
unreconize id found!show ID
ov9650 address 0x60, product ID 0xFF, expect 0x7FA2
ov9650 init done!
version=1
cx231xx v4l2 driver loaded.
usbcore: registered new interface driver cx231xx
usbcore: registered new interface driver usbvision
USBVision USB Video Device Driver for Linux : 0.9.10
usbcore: registered new interface driver ov511
ov511: v1.64 for Linux 2.5:ov511 USB Camera Driver
SE401 usb camera driver version 0.24 registering
usbcore: registered new interface driver se401
usbcore: registered new interface driver stv680
stv680 [usb_stv680_init:1550]
STV(i): usb camera driver version v0.25 registering<6>stv680: v0.25:STV0680 USB Camera Driver
w9968cf: V4L driver for W996[87]CF JPEG USB Dual Mode Camera Chip 1:1.34-basic
usbcore: registered new interface driver w9968cf
usbcore: registered new interface driver zr364xx
zr364xx: Zoran 364xx
usbcore: registered new interface driver stkwebcam
sn9c102: V4L2 driver for SN9C1xx PC Camera Controllers v1:1.47pre49
usbcore: registered new interface driver sn9c102
et61x251: V4L2 driver for ET61X[12]51 PC Camera Controllers v1:1.09
usbcore: registered new interface driver et61x251
pwc: Philips webcam module version 10.0.13 loaded.
pwc: Supports Philips PCA645/646, PCVC675/680/690, PCVC720[40]/730/740/750 & PCVC830/840.
pwc: Also supports the Askey VC010, various Logitech Quickcams, Samsung MPC-C10 and MPC-C30,
pwc: the Creative WebCam 5 & Pro Ex, SOTEC Afina Eye and Visionite VCS-UC300 and VCS-UM100.
usbcore: registered new interface driver Philips webcam
zc0301: V4L2 driver for ZC0301[P] Image Processor and Control Chip v1:1.10
usbcore: registered new interface driver zc0301
gspca: main v2.5.0 registered
usbcore: registered new interface driver conex
conex: registered
usbcore: registered new interface driver etoms
etoms: registered
usbcore: registered new interface driver finepix
finepix: registered
usbcore: registered new interface driver mars
mars: registered
usbcore: registered new interface driver mr97310a
mr97310a: registered
usbcore: registered new interface driver ov519
ov519: registered
usbcore: registered new interface driver ov534
ov534: registered
usbcore: registered new interface driver pac207
pac207: registered
usbcore: registered new interface driver pac7311
pac7311: registered
usbcore: registered new interface driver sonixb
sonixb: registered
usbcore: registered new interface driver sonixj
sonixj: registered
usbcore: registered new interface driver spca500
spca500: registered
usbcore: registered new interface driver spca501
spca501: registered
usbcore: registered new interface driver spca505
spca505: registered
usbcore: registered new interface driver spca506
spca506: registered
usbcore: registered new interface driver spca508
spca508: registered
usbcore: registered new interface driver spca561
spca561: registered
usbcore: registered new interface driver sq905
sq905: registered
usbcore: registered new interface driver sq905c
sq905c: registered
usbcore: registered new interface driver sunplus
sunplus: registered
usbcore: registered new interface driver stk014
stk014: registered
usbcore: registered new interface driver t613
t613: registered
usbcore: registered new interface driver tv8532
tv8532: registered
usbcore: registered new interface driver vc032x
vc032x: registered
usbcore: registered new interface driver zc3xx
zc3xx: registered
usbcore: registered new interface driver ALi m5602
ALi m5602: registered
usbcore: registered new interface driver STV06xx
STV06xx: registered
usbcore: registered new interface driver ibmcam
usbcore: registered new interface driver ultracam
konicawc: v1.4:Konica Webcam driver
usbcore: registered new interface driver konicawc
usbcore: registered new interface driver vicam
quickcam_messenger: v0.01:Logitech Quickcam Messenger USB
usbcore: registered new interface driver QCM
usbcore: registered new interface driver s2255
usbcore: registered new interface driver uvcvideo
USB Video Class driver (v0.1.0)
mapped channel 0 to 0
s3c2440-sdi s3c2440-sdi: powered down.
s3c2440-sdi s3c2440-sdi: initialisation done.
usbcore: registered new interface driver usbhid
usbhid: v2.6:USB HID core driver
Advanced Linux Sound Architecture Driver Version 1.0.18a.
No device for DAI UDA134X
No device for DAI s3c24xx-i2s
S3C24XX_UDA134X SoC Audio driver
UDA134X SoC Audio Codec
asoc: UDA134X <-> s3c24xx-i2s mapping ok
ALSA device list:
  #0: S3C24XX_UDA134X (UDA134X)
TCP cubic registered
NET: Registered protocol family 17
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
lib80211: common routines for IEEE802.11 drivers
s3c2410-rtc s3c2410-rtc: setting system clock to 2150-03-02 00:32:50 UTC (1390500274)
s3c2440-sdi s3c2440-sdi: powered down.
eth0: link down
IP-Config: Complete:
     device=eth0, addr=192.168.1.110, mask=255.255.255.0, gw=192.168.1.1,
     host=192.168.1.110, domain=, nis-domain=(none),
     bootserver=192.168.1.118, rootserver=192.168.1.118, rootpath=
Looking up port of RPC 100003/2 on 192.168.1.118
eth0: link up, 100Mbps, full-duplex, lpa 0xC1E1
Looking up port of RPC 100005/1 on 192.168.1.118
VFS: Mounted root (nfs filesystem) on device 0:11.
Freeing init memory: 236K
Start Qtopia-2.2.0

Processing /etc/profile... Done

这问题困惑了好久，为什么文档里又可以运行？？？？？