移植中出现的问题

本人在按照天嵌的linux移植step by step学习到第12章还没问题，接着第13章，烧写内核和文件系统到开发板，重启开发板后SecureCRT出现以下代码执行不下去。这个问题之前出现过，好像是内核的配置单上出现的问题，文件系统好像是行的，但是我按照教程重新做了两边还是存在这个问题，忘高手能指导一下，谢谢！！！

1. #####    Boot for Nor Flash Main Menu   #####
   
2. #####     EmbedSky USB download mode     #####
   
3. [8] Boot the system
   
4. Enter your selection: 8
   
5. Start Linux ...
   
6. Copy linux kernel from 0x00200000 to 0x30008000, size = 0x00300000 ... Copy Kernel to SDRAM done,NOW, Booting Linux......
   
7. Uncompressing Linux......................................................................................................................... done, booting the kernel.
   
8. Linux version 2.6.30.4-EmbedSky (root@Zhang) (gcc version 4.3.3 (Sourcery G++ Lite 2009q1-176) ) #5 Mon Oct 21 10:19:23 CST 2013
   
9. CPU: ARM920T [41129200] revision 0 (ARMv4T), cr=c0007177
   
10. CPU: VIVT data cache, VIVT instruction cache
    
11. Machine: SMDK2440
    
12. ATAG_INITRD is deprecated; please update your bootloader.
    
13. Memory policy: ECC disabled, Data cache writeback
    
14. CPU S3C2440A (id 0x32440001)
    
15. S3C24XX Clocks, (c) 2004 Simtec Electronics
    
16. S3C244X: core 400.000 MHz, memory 100.000 MHz, peripheral 50.000 MHz
    
17. CLOCK: Slow mode (1.500 MHz), fast, MPLL on, UPLL on
    
18. Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 16256
    
19. Kernel command line: noinitrd root=/dev/mtdblock2 init=/linuxrc console=ttySAC0
    
20. NR_IRQS:85
    
21. irq: clearing pending ext status 00080000
    
22. irq: clearing subpending status 00000003
    
23. irq: clearing subpending status 00000002
    
24. PID hash table entries: 256 (order: 8, 1024 bytes)
    
25. Console: colour dummy device 80x30
    
26. console [ttySAC0] enabled
    
27. Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
    
28. Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
    
29. Memory: 64MB = 64MB total
    
30. Memory: 60876KB available (3484K code, 364K data, 112K init, 0K highmem)
    
31. SLUB: Genslabs=11, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
    
32. Calibrating delay loop... 199.47 BogoMIPS (lpj=498688)
    
33. Mount-cache hash table entries: 512
    
34. CPU: Testing write buffer coherency: ok
    
35. net_namespace: 296 bytes
    
36. NET: Registered protocol family 16
    
37. ------------[ cut here ]------------

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。。。中间省略

1. S3C2440: Initialising architecture
   
2. S3C2440: IRQ Support
   
3. S3C24XX DMA Driver, (c) 2003-2004,2006 Simtec Electronics
   
4. DMA channel 0 at c4808000, irq 33
   
5. DMA channel 1 at c4808040, irq 34
   
6. DMA channel 2 at c4808080, irq 35
   
7. DMA channel 3 at c48080c0, irq 36
   
8. S3C244X: Clock Support, DVS off
   
9. bio: create slab <bio-0> at 0
   
10. SCSI subsystem initialized
    
11. usbcore: registered new interface driver usbfs
    
12. usbcore: registered new interface driver hub
    
13. usbcore: registered new device driver usb
    
14. s3c2440-i2c s3c2440-i2c: slave address 0x10
    
15. s3c2440-i2c s3c2440-i2c: bus frequency set to 97 KHz
    
16. s3c2440-i2c s3c2440-i2c: i2c-0: S3C I2C adapter
    
17. cfg80211: Calling CRDA to update world regulatory domain
    
18. NET: Registered protocol family 2
    
19. IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
    
20. TCP established hash table entries: 2048 (order: 2, 16384 bytes)
    
21. TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
    
22. TCP: Hash tables configured (established 2048 bind 2048)
    
23. TCP reno registered
    
24. NET: Registered protocol family 1
    
25. msgmni has been set to 119
    
26. alg: No test for stdrng (krng)
    
27. io scheduler noop registered (default)
    
28. Console: switching to colour frame buffer device 30x20
    
29. fb0: s3c2410fb frame buffer device
    
30. s3c2440-uart.0: tq2440_serial0 at MMIO 0x50000000 (irq = 70) is a S3C2440
    
31. s3c2440-uart.1: tq2440_serial1 at MMIO 0x50004000 (irq = 73) is a S3C2440
    
32. s3c2440-uart.2: tq2440_serial2 at MMIO 0x50008000 (irq = 76) is a S3C2440
    
33. loop: module loaded
    
34. Driver 'sd' needs updating - please use bus_type methods
    
35. dm9000 Ethernet Driver, V1.31
    
36. Now use the default MAC address:10:23:45:67:89:ab
    
37. eth0 (dm9000): not using net_device_ops yet
    
38. eth0: dm9000e at c4810000,c4814004 IRQ 51 MAC: 10:23:45:67:89:ab (EmbedSky)
    
39. S3C24XX NAND Driver, (c) 2004 Simtec Electronics
    
40. ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
    
41. s3c2410-ohci s3c2410-ohci: S3C24XX OHCI
    
42. s3c2410-ohci s3c2410-ohci: new USB bus registered, assigned bus number 1
    
43. s3c2410-ohci s3c2410-ohci: irq 42, io mem 0x49000000
    
44. usb usb1: New USB device found, idVendor=1d6b, idProduct=0001
    
45. usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
    
46. usb usb1: Product: S3C24XX OHCI
    
47. usb usb1: Manufacturer: Linux 2.6.30.4-EmbedSky ohci_hcd
    
48. usb usb1: SerialNumber: s3c24xx
    
49. usb usb1: configuration #1 chosen from 1 choice
    
50. hub 1-0:1.0: USB hub found
    
51. hub 1-0:1.0: 2 ports detected
    
52. usbcore: registered new interface driver usbserial
    
53. usbserial: USB Serial Driver core
    
54. USB Serial support registered for pl2303
    
55. usbcore: registered new interface driver pl2303
    
56. pl2303: Prolific PL2303 USB to serial adaptor driver
    
57. s3c2410_udc: debugfs dir creation failed -19
    
58. mice: PS/2 mouse device common for all mice
    
59. S3C24XX RTC, (c) 2004,2006 Simtec Electronics
    
60. Linux video capture interface: v2.00
    
61. zc0301: V4L2 driver for ZC0301[P] Image Processor and Control Chip v1:1.10
    
62. usbcore: registered new interface driver zc0301
    
63. gspca: main v2.5.0 registered
    
64. usbcore: registered new interface driver uvcvideo
    
65. USB Video Class driver (v0.1.0)
    
66. S3C2410 Watchdog Timer, (c) 2004 Simtec Electronics
    
67. s3c2410-wdt s3c2410-wdt: watchdog inactive, reset disabled, irq enabled
    
68. usbcore: registered new interface driver usbhid
    
69. usbhid: v2.6:USB HID core driver
    
70. Advanced Linux Sound Architecture Driver Version 1.0.20.
    
71. No device for DAI UDA134X
    
72. No device for DAI s3c24xx-i2s
    
73. ALSA device list:
    
74.   No soundcards found.
    
75. TCP cubic registered
    
76. RPC: Registered udp transport module.
    
77. RPC: Registered tcp transport module.
    
78. lib80211: common routines for IEEE802.11 drivers
    
79. drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
    
80. Root-NFS: No NFS server available, giving up.
    
81. VFS: Unable to mount root fs via NFS, trying floppy.
    
82. VFS: Cannot open root device "mtdblock2" or unknown-block(2,0)
    
83. Please append a correct "root=" boot option; here are the available partitions:
    
84. Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
    
85. Backtrace:
    
86. [<c0028fd4>] (dump_backtrace+0x0/0x10c) from [<c02afb04>] (dump_stack+0x18/0x1c)
    
87. r7:c38090db r6:c03b5720 r5:c3809000 r4:c381df40
    
88. [<c02afaec>] (dump_stack+0x0/0x1c) from [<c02afb54>] (panic+0x4c/0x124)
    
89. [<c02afb08>] (panic+0x0/0x124) from [<c0008e30>] (mount_block_root+0x178/0x234)
    
90. r3:00000000 r2:c3831cec r1:c381df40 r0:c0339048
    
91. [<c0008cb8>] (mount_block_root+0x0/0x234) from [<c0008f9c>] (mount_root+0xb0/0xf4)
    
92. [<c0008eec>] (mount_root+0x0/0xf4) from [<c00090d8>] (prepare_namespace+0xf8/0x18c)
    
93. r7:c03b5104 r6:c001e83c r5:c001e83c r4:c001e84c
    
94. [<c0008fe0>] (prepare_namespace+0x0/0x18c) from [<c0008478>] (kernel_init+0xc8/0xf4)
    
95. r7:00000000 r6:c001d938 r5:c001d5d0 r4:c001d938
    
96. [<c00083b0>] (kernel_init+0x0/0xf4) from [<c0039f3c>] (do_exit+0x0/0x620)
    
97. r7:00000000 r6:00000000 r5:00000000 r4:00000000

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后面就一直卡在这里执行不下去，找不到问题出在哪里，希望能人高手指点，谢谢！！