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chip->ecc.mode = NAND_ECC_SOFT; 修改为：
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chip->ecc.mode = NAND_ECC_NONE; 这就是当我们不选中的时候，不是使用NAND的软件ECC，而是不使用NAND的ECC。再次编译内核，烧写后正常运行，打印的信息如下：
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Starting kernel ... Uncompressing Linux... done, booting the kernel. Booting Linux on physical CPU 0 Linux version 3.3.0-rc3 (chenlong12580@chenlong12580) (gcc version 4.3.2 (Sourcery G++ Lite 2008q3-72) ) #4 Mon Feb 13 14:58:00 CST 2012 CPU: ARMv6-compatible processor [410fb766] revision 6 (ARMv7), cr=00c5387d CPU: PIPT / VIPT nonaliasing data cache, VIPT nonaliasing instruction cache Machine: JFJ6410 Memory policy: ECC disabled, Data cache writeback CPU S3C6410 (id 0x36410101) S3C24XX Clocks, Copyright 2004 Simtec Electronics camera: no parent clock specified S3C64XX: PLL settings, A=532000000, M=532000000, E=24000000 S3C64XX: HCLK2=266000000, HCLK=133000000, PCLK=66500000 mout_apll: source is fout_apll (1), rate is 532000000 mout_epll: source is epll (1), rate is 24000000 mout_mpll: source is mpll (1), rate is 532000000 usb-bus-host: source is clk_48m (0), rate is 48000000 audio-bus: source is mout_epll (0), rate is 24000000 audio-bus: source is mout_epll (0), rate is 24000000 audio-bus: source is mout_epll (0), rate is 24000000 irda-bus: source is mout_epll (0), rate is 24000000 camera: no parent clock specified CPU: found DTCM0 8k @ 00000000, not enabled CPU: moved DTCM0 8k to fffe8000, enabled CPU: found DTCM1 8k @ 00000000, not enabled CPU: moved DTCM1 8k to fffea000, enabled CPU: found ITCM0 8k @ 00000000, not enabled CPU: moved ITCM0 8k to fffe0000, enabled CPU: found ITCM1 8k @ 00000000, not enabled CPU: moved ITCM1 8k to fffe2000, enabled Built 1 zonelists in Zone order, mobility grouping on. Total pages: 65024 Kernel command line: root=/dev/mtdblock2 rootfstype=cramfs console=ttySAC0,115200 PID hash table entries: 1024 (order: 0, 4096 bytes) Dentry cache hash table entries: 32768 (order: 5, 131072 bytes) Inode-cache hash table entries: 16384 (order: 4, 65536 bytes) Memory: 256MB256MB = 256MB total Memory: 257500k/257500k available, 4644k reserved, 0K highmem Virtual kernel memory layout: vector : 0xffff0000 - 0xffff1000 ( 4 kB) DTCM : 0xfffe8000 - 0xfffec000 ( 16 kB) ITCM : 0xfffe0000 - 0xfffe4000 ( 16 kB) fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) vmalloc : 0xd0800000 - 0xff000000 ( 744 MB) lowmem : 0xc0000000 - 0xd0000000 ( 256 MB) modules : 0xbf000000 - 0xc0000000 ( 16 MB) .text : 0xc0008000 - 0xc01d90b8 (1861 kB) .init : 0xc01da000 - 0xc01f5000 ( 108 kB) .data : 0xc01f6000 - 0xc0216a40 ( 131 kB) .bss : 0xc0217024 - 0xc0246c58 ( 192 kB) SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 NR_IRQS:246 VIC @f6000000: id 0x00041192, vendor 0x41 VIC @f6010000: id 0x00041192, vendor 0x41 Console: colour dummy device 80x30 Calibrating delay loop... 528.79 BogoMIPS (lpj=2643968) pid_max: default: 32768 minimum: 301 Mount-cache hash table entries: 512 CPU: Testing write buffer coherency: ok Setting up static identity map for 0x5015e320 - 0x5015e37c gpiochip_add: registered GPIOs 38 to 53 on device: GPF gpiochip_add: registered GPIOs 74 to 89 on device: GPI gpiochip_add: registered GPIOs 91 to 102 on device: GPJ gpiochip_add: registered GPIOs 161 to 176 on device: GPO gpiochip_add: registered GPIOs 178 to 192 on device: GPP gpiochip_add: registered GPIOs 194 to 202 on device: GPQ gpiochip_add: registered GPIOs 144 to 159 on device: GPN gpiochip_add: registered GPIOs 0 to 7 on device: GPA gpiochip_add: registered GPIOs 9 to 15 on device: GPB gpiochip_add: registered GPIOs 17 to 24 on device: GPC gpiochip_add: registered GPIOs 26 to 30 on device: GPD gpiochip_add: registered GPIOs 32 to 36 on device: GPE gpiochip_add: registered GPIOs 55 to 61 on device: GPG gpiochip_add: registered GPIOs 137 to 142 on device: GPM gpiochip_add: registered GPIOs 63 to 72 on device: GPH gpiochip_add: registered GPIOs 104 to 119 on device: GPK gpiochip_add: registered GPIOs 121 to 135 on device: GPL jfj6410: Option string jfj6410=0 jfj6410: selected LCD display is 480x272 S3C6410: Initialising architecture bio: create slab <bio-0> at 0 io scheduler noop registered io scheduler deadline registered io scheduler cfq registered (default) start plist test end plist test Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled s3c6400-uart.0: ttySAC0 at MMIO 0x7f005000 (irq = 69) is a S3C6400/10 console [ttySAC0] enabled s3c6400-uart.1: ttySAC1 at MMIO 0x7f005400 (irq = 70) is a S3C6400/10 s3c6400-uart.2: ttySAC2 at MMIO 0x7f005800 (irq = 71) is a S3C6400/10 s3c6400-uart.3: ttySAC3 at MMIO 0x7f005c00 (irq = 72) is a S3C6400/10 brd: module loaded loop: module loaded S3C24XX NAND Driver, (c) 2004 Simtec Electronics s3c24xx-nand s3c6400-nand: Tacls=4, 30ns Twrph0=8 60ns, Twrph1=6 45ns s3c24xx-nand s3c6400-nand: System booted from NAND s3c24xx-nand s3c6400-nand: NAND ECC disabled NAND device: Manufacturer ID: 0xec, Chip ID: 0xda (Samsung NAND 256MiB 3,3V 8-bit) NAND_ECC_NONE selected by board driver. This is not recommended! Scanning device for bad blocks Bad eraseblock 1050 at 0x000008340000 Bad eraseblock 1076 at 0x000008680000 Bad eraseblock 1211 at 0x000009760000 Bad eraseblock 1949 at 0x00000f3a0000 Creating 4 MTD partitions on "nand": 0x000000000000-0x000000100000 : "Bootloader" 0x000000100000-0x000000600000 : "Kernel" 0x000000600000-0x000007e00000 : "User" 0x000007e00000-0x000010000000 : "File System" mousedev: PS/2 mouse device common for all mice VFP support v0.3: implementor 41 architecture 1 part 20 variant b rev 5 VFS: Mounted root (cramfs filesystem) readonly on device 31:2. Freeing init memory: 108K mount: mounting none on /proc/bus/usb failed: No such file or directory hwclock: can't open '/dev/misc/rtc': No such file or directory depmod: chdir(3.3.0-rc3): No such file or directory [01/Jan/1970:00:00:07 +0000] boa.c:173 - unable to create socket: Function not implemented open device leds: No such file or directory /usr/sbin/alsactl: load_state:1610: No soundcards found... ifconfig: socket: Function not implemented Try to bring eth0 interface up......cat: can't open '/sys/class/net/eth0/address': No such file or directory ifconfig: socket: Function not implemented route: socket: Function not implemented /etc/init.d/ifconfig-eth0: line 6: can't create /etc/resolv.conf: Read-only file system Done Please press Enter to activate this console. [root@JFJ6410 /]# ls bin etc lib mnt proc sbin tmp var dev home linuxrc opt root sys usr www [root@ /]#