嵌入式2.6.32内核挂载根文件系统root.cramfs失败

Question

Copy linux kernel from 0x00030000 to 0x30008000, size = 0x00300000 ... done
zImage magic = 0x016f2818
Setup linux parameters at 0x30000100
linux command line is: "noinitrd root=/dev/mtdblock3 init=/linuxrc
console=ttyS"MACH_TYPE = 193
NOW, Booting Linux......
Uncompressing
Linux.............................................................Linux
version 2.6.32.63 (rival@ubuntu) (gcc version 4.4.3 (ctng-1.6.1) ) #7 Sat4CPU:
ARM920T [41129200] revision 0 (ARMv4T), cr=c0007177
CPU: VIVT data cache, VIVT instruction cache
Machine: SMDK2410
ATAG_INITRD is deprecated; please update your bootloader.
Memory policy: ECC disabled, Data cache writeback
CPU S3C2410A (id 0x32410002)
S3C24XX Clocks, (c) 2004 Simtec Electronics
S3C2410: core 200.000 MHz, memory 100.000 MHz, peripheral 50.000 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=ttySAC0sPID 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: 60664KB available (3708K code, 342K data, 156K init, 0K highmem)
Hierarchical RCU implementation.
NR_IRQS:99
irq: clearing pending ext status 00080000
irq: clearing subpending status 00000002
Console: colour dummy device 80x30
console [ttySAC0] enabled
Calibrating delay loop... 99.53 BogoMIPS (lpj=248832)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
NET: Registered protocol family 16
S3C Power Management, Copyright 2004 Simtec Electronics
S3C2410: Initialising architecture
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
bio: create slab at 0
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
s3c-i2c s3c2410-i2c: slave address 0x10
s3c-i2c s3c2410-i2c: bus frequency set to 97 KHz
s3c-i2c s3c2410-i2c: i2c-0: S3C I2C adapter
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 (extended precision)
JFFS2 version 2.2. (NAND) (SUMMARY) .. 2001-2006 Red Hat, Inc.
ROMFS MTD (C) 2007 Red Hat, Inc.
msgmni has been set to 118
io scheduler noop registered
io scheduler anticipatory registered (default)
io scheduler deadline registered
io scheduler cfq registered
s3c2410-lcd s3c2410-lcd: no platform data for lcd, cannot attach
s3c2410-lcd: probe of s3c2410-lcd failed with error -22
lp: driver loaded but no devices found
ppdev: user-space parallel port driver
Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
s3c2410-uart.0: s3c2410_serial0 at MMIO 0x50000000 (irq = 70) is a S3C2410
s3c2410-uart.1: s3c2410_serial1 at MMIO 0x50004000 (irq = 73) is a S3C2410
s3c2410-uart.2: s3c2410_serial2 at MMIO 0x50008000 (irq = 76) is a S3C2410
brd: module loaded
loop: module loaded
Uniform Multi-Platform E-IDE driver
ide-gd driver 1.18
ide-cd driver 5.00
S3C24XX NAND Driver, (c) 2004 Simtec Electronics
s3c24xx-nand s3c2410-nand: Tacls=2, 20ns Twrph0=6 60ns, Twrph1=2 20ns
s3c24xx-nand s3c2410-nand: NAND ECC disabled
NAND device: Manufacturer ID: 0xec, Chip ID: 0x76 (Samsung NAND 64MiB 3,3V
8-bi)NAND_ECC_NONE selected by board driver. This is not recommended !!
Scanning device for bad blocks
Bad eraseblock 633 at 0x0000009e4000
Bad eraseblock 1824 at 0x000001c80000
Creating 6 MTD partitions on "NAND 64MiB 3,3V 8-bit":
0x000000000000-0x000000020000 : "vivi"
0x000000020000-0x000000030000 : "param"
0x000000030000-0x000000330000 : "kernel"
0x000000330000-0x000000630000 : "root"
0x000000630000-0x000003d30000 : "yaffs"
0x000003d30000-0x000003dfc000 : "ucos"
dm9000 Ethernet Driver, V1.31
usbmon: debugfs is not available
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: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
usbcore: registered new interface driver libusual
usbcore: registered new interface driver usbserial
USB Serial support registered for generic
usbcore: registered new interface driver usbserial_generic
usbserial: USB Serial Driver core
USB Serial support registered for FTDI USB Serial Device
usbcore: registered new interface driver ftdi_sio
ftdi_sio: v1.5.0:USB FTDI Serial Converters Driver
USB Serial support registered for pl2303
usbcore: registered new interface driver pl2303
pl2303: Prolific PL2303 USB to serial adaptor driver
mice: PS/2 mouse device common for all mice
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
S3C2410 Watchdog Timer, (c) 2004 Simtec Electronics
s3c2410-wdt s3c2410-wdt: watchdog inactive, reset disabled, irq enabled
Advanced Linux Sound Architecture Driver Version 1.0.21.
No device for DAI UDA134X
No device for DAI s3c24xx-i2s
ALSA device list:
No soundcards found.
TCP cubic registered
NET: Registered protocol family 17
s3c2410-rtc s3c2410-rtc: hctosys: invalid date/time
List of all partitions:
1f00 128 mtdblock0 (driver?)
1f01 64 mtdblock1 (driver?)
1f02 3072 mtdblock2 (driver?)
1f03 3072 mtdblock3 (driver?)
1f04 56320 mtdblock4 (driver?)
1f05 816 mtdblock5 (driver?)
No filesystem could mount root, tried: cramfs
Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(31,3)
Backtrace:
from r6:00008000 r5:c388b007 r4:c03f6ae4
from
from
r3:00000003 r2:80000000 r1:c381bf64 r0:c0372cc6
from from r5:c0028829 r4:c03f6234
from r5:c0027104 r4:c03f6000
from
r5:00