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2012-Linux->18(1_20 error)->2 <do u know reasons?>

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NAND: NAND_ECC_NONE selected byboard driver. This is not recommended !!256 MiBIn: serialOut: serialErr: serialNet: dm9000Hit any key to stop autoboot: 0 dm9000 i/o: 0x20000300, id: 0x90000a46 DM9000: running in 16 bit modeMAC: 08:00:3e:26:0
NAND:  NAND_ECC_NONE selected byboard driver. This is not recommended !!
256 MiB
In:    serial
Out:   serial
Err:   serial
Net:   dm9000
Hit any key to stop autoboot:  0 
dm9000 i/o: 0x20000300, id: 0x90000a46 
DM9000: running in 16 bit mode
MAC: 08:00:3e:26:0a:5b
operating at unknown: 0 mode
Using dm9000 device
TFTP from server 192.168.10.124; our IP address is 192.168.10.126
Filename 'zImage'.
Load address: 0x33000000
Loading: T T #################################################################
        #################################################################
        ################################
done
Bytes transferred = 2371720 (243088 hex)
## Starting application at 0x33000000 ...
Uncompressing Linux... done, booting the kernel.
Linux version 2.6.35 (root@ubuntu) (gcc version 4.3.2(crosstool-NG-1.8.1-farsight) ) #25 Fri Jan 20 22:14:01 CST 2012
CPU: ARM920T [41129200] revision 0 (ARMv4T), cr=c0007177
CPU: VIVT data cache, VIVT instruction cache
Machine: SMDK2410
Warning: bad configuration page, trying to continue
Memory policy: ECC disabled, Data cache writeback
CPU S3C2440A (id 0x32440001)
S3C24XX Clocks, Copyright 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 off.  Total pages: 4064
Kernel command line: root=/dev/hda1 ro init=/bin/bash console=ttySAC0
PID hash table entries: 64 (order: -4, 256 bytes)
Dentry cache hash table entries: 2048 (order: 1, 8192 bytes)
Inode-cache hash table entries: 1024 (order: 0, 4096 bytes)
Memory: 16MB = 16MB total
Memory: 11340k/11340k available, 5044k reserved, 0K highmem
Virtual kernel memory layout:
    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
    fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
    DMA     : 0xffc00000 - 0xffe00000   (   2MB)
    vmalloc : 0xc1800000 -0xe0000000   ( 488 MB)
    lowmem  : 0xc0000000 - 0xc1000000   (  16MB)
    modules : 0xbf000000 -0xc0000000   (  16 MB)
      .init : 0xc0108000 -0xc0133000   ( 172 kB)
      .text : 0xc0133000 -0xc0547000   (4176 kB)
      .data : 0xc0566000 -0xc059b820   ( 215 kB)
Hierarchical RCU implementation.
        RCU-based detection ofstalled CPUs is disabled.
        Verbose stalled-CPUsdetection is disabled.
NR_IRQS:99
irq: clearing subpending status 00000002
Console: colour dummy device 80x30
console [ttySAC0] enabled
Calibrating delay loop... 201.93 BogoMIPS (lpj=504832)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
NET: Registered protocol family 16
S3C Power Management, Copyright 2004 Simtec Electronics
S3C2440: Initialising architecture
S3C2440: IRQ Support
S3C24XX DMA Driver, Copyright 2003-2006 Simtec Electronics
DMA channel 0 at c1808000, irq 33
DMA channel 1 at c1808040, irq 34
DMA channel 2 at c1808080, irq 35
DMA channel 3 at c18080c0, irq 36
S3C244X: Clock Support, DVS off
s3c-adc s3c24xx-adc: attached adc driver
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
Advanced Linux Sound Architecture Driver Version 1.0.23.
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 512 (order: 0, 4096 bytes)
TCP bind hash table entries: 512 (order: -1, 2048 bytes)
TCP: Hash tables configured (established 512 bind 512)
TCP reno registered
UDP hash table entries: 256 (order: 0, 4096 bytes)
UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
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.
yaffs Dec 16 2011 11:24:11 Installing. 
msgmni has been set to 22
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
Console: switching to colour frame buffer device 30x40
fb0: s3c2410fb frame buffer device
lp: driver loaded but no devices found
ppdev: user-space parallel port driver
Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
s3c2440-uart.0: s3c2410_serial0 at MMIO 0x50000000 (irq = 70) is aS3C2440
s3c2440-uart.1: s3c2410_serial1 at MMIO 0x50004000 (irq = 73) is aS3C2440
s3c2440-uart.2: s3c2410_serial2 at MMIO 0x50008000 (irq = 76) is aS3C2440
brd: module loaded
loop: module loaded
Uniform Multi-Platform E-IDE driver
ide-gd driver 1.18
ide-cd driver 5.00
SCSI Media Changer driver v0.25 
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 256MiB3,3V 8-bit)
Scanning device for bad blocks
Bad eraseblock 0 at 0x000000000000
Creating 5 MTD partitions on "NAND 256MiB 3,3V 8-bit":
0x000000000000-0x000000040000 : "supervivi"(但我nand放的是uboot丫)
mtd: partition "supervivi" doesn't end on an erase block --force read-only
0x000000040000-0x000000060000 : "param"
mtd: partition "param" doesn't start on an erase blockboundary -- force read-only
0x000000060000-0x000000560000 : "Kernel"
mtd: partition "Kernel" doesn't start on an erase blockboundary -- force read-only
0x000000560000-0x000040560000 : "root"
mtd: partition "root" extends beyond the end of device"NAND 256MiB 3,3V 8-bit" -- size truncated to 0xfaa0000
mtd: partition "root" doesn't start on an erase blockboundary -- force read-only
0x000000000000-0x000040000000 : "nand"
mtd: partition "nand" extends beyond the end of device"NAND 256MiB 3,3V 8-bit" -- size truncated to 0x10000000
dm9000 Ethernet Driver, V1.31
Cirrus Logic CS8900A driver for Linux (Modified for SMDK2410)
eth0: incorrect signature 0x0000
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 number1
s3c2410-ohci s3c2410-ohci: irq 42, io mem 0x49000000
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 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: v1.6.0: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
IR NEC protocol handler initialized
IR RC5(x) protocol handler initialized
IR RC6 protocol handler initialized
IR JVC protocol handler initialized
IR Sony protocol handler initialized
Linux video capture interface: v2.00
zc0301: V4L2 driver for ZC0301[P] Image Processor and Control Chipv1:1.10
usbcore: registered new interface driver zc0301
s3c-sdi s3c2440-sdi: powered down.
s3c-sdi s3c2440-sdi: mmc0 - using pio, sw SDIO IRQ
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
drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
Root-NFS: No NFS server available, giving up.
VFS: Unable to mount root fs via NFS, trying floppy.
VFS: Cannot open root device "hda1" or unknown-block(2,0)
Please append a correct "root=" boot option; here are theavailable partitions:
1f00             256 mtdblock0(driver?)
1f01             128 mtdblock1(driver?)
1f02            5120 mtdblock2(driver?)
1f03          256640 mtdblock3 (driver?)
1f04          262144 mtdblock4(driver?)
Kernel panic - not syncing: VFS: Unable to mount root fs onunknown-block(2,0)
[<c013940c>] (unwind_backtrace+0x0/0xec) from [<c0435b74>](panic+0x4c/0xdc)
[<c0435b74>] (panic+0x4c/0xdc) from [<c01090f8>](mount_block_root+0x1d4/0x21c)
[<c01090f8>] (mount_block_root+0x1d4/0x21c) from[<c01093a8>] (prepare_namespace+0x164/0x1c8)
[<c01093a8>] (prepare_namespace+0x164/0x1c8) from[<c0108618>] (kernel_init+0x10c/0x150)
[<c0108618>] (kernel_init+0x10c/0x150) from [<c0134e9c>](kernel_thread_exit+0x0/0x8)
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