//YZC 发表于 2013-9-16 11:43   
内核使用了Software ECC?烧写UBIFS时是否通过Uboot?Uboot是否用的Software ECC?Uboot的Software ECC算法 ...  
Starting kernel ... 
 
Uncompressing Linux... done, booting the kernel. 
Linux version 2.6.38 (root@ubuntu) (gcc version 4.5.2 (Sourcery G++ Lite 2011.03 
-41) ) #2 Tue Sep 17 00:20:50 PDT 2013 
CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177 
CPU: VIVT data cache, VIVT instruction cache 
Machine: Atmel AT91SAM9260-EK 
Memory policy: ECC disabled, Data cache writeback 
Clocks: CPU 200 MHz, master 100 MHz, main 12.000 MHz 
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 16256 
Kernel command line: console=ttyS0,115200 root=ubi0:rootfs mtdparts=atmel_nand:1 
28k(bootstrap)ro,256k(uboot)ro,128k(env1)ro,128k(env2)ro,2M(linux),-(rootfs) rw 
rootfstype=ubifs 
PID 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: 61896k/61896k available, 3640k reserved, 0K highmem 
Virtual kernel memory layout: 
    vector  : 0xffff0000 - 0xffff1000   (   4 kB) 
    fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB) 
    DMA     : 0xffc00000 - 0xffe00000   (   2 MB) 
    vmalloc : 0xc4800000 - 0xfee00000   ( 934 MB) 
    lowmem  : 0xc0000000 - 0xc4000000   (  64 MB) 
    modules : 0xbf000000 - 0xc0000000   (  16 MB) 
      .init : 0xc0008000 - 0xc0024000   ( 112 kB) 
      .text : 0xc0024000 - 0xc02c685c   (2699 kB) 
      .data : 0xc02c8000 - 0xc02e6000   ( 120 kB) 
NR_IRQS:192 
AT91: 96 gpio irqs in 3 banks 
Console: colour dummy device 80x30 
console [ttyS0] enabled 
Calibrating delay loop... 99.73 BogoMIPS (lpj=498688) 
pid_max: default: 32768 minimum: 301 
Mount-cache hash table entries: 512 
CPU: Testing write buffer coherency: ok 
NET: Registered protocol family 16 
max706: Work on CS_PIN:105  DI_PIN:100 -1070798512 
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 
i2c-gpio i2c-gpio: using pins 55 (SDA) and 56 (SCL) 
Switching to clocksource pit 
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 
UDP hash table entries: 256 (order: 0, 4096 bytes) 
UDP-Lite hash table entries: 256 (order: 0, 4096 bytes) 
NET: Registered protocol family 1 
NetWinder Floating Point Emulator V0.97 (double precision) 
JFFS2 version 2.2. (NAND) 漏 2001-2006 Red Hat, Inc. 
msgmni has been set to 120 
io scheduler noop registered (default) 
atmel_usart.0: ttyS0 at MMIO 0xfefff200 (irq = 1) is a ATMEL_SERIAL 
atmel_usart.1: ttyS1 at MMIO 0xfffb0000 (irq = 6) is a ATMEL_SERIAL 
atmel_usart.2: ttyS2 at MMIO 0xfffb4000 (irq = 7) is a ATMEL_SERIAL 
atmel_usart.3: ttyS3 at MMIO 0xfffb8000 (irq = 8) is a ATMEL_SERIAL 
atmel_usart.4: ttyS4 at MMIO 0xfffd0000 (irq = 23) is a ATMEL_SERIAL 
GPIO: PB17 PB18 PB19 
NAND device: Manufacturer ID: 0xec, Chip ID: 0x76 (Samsung NAND 64MiB 3,3V 8-bit 
) 
AT91 NAND: 8-bit, No ECC 
NAND_ECC_NONE selected by board driver. This is not recommended !! 
Scanning device for bad blocks 
6 cmdlinepart partitions found on MTD device atmel_nand 
Creating 6 MTD partitions on "atmel_nand": 
0x000000000000-0x000000020000 : "bootstrap" 
0x000000020000-0x000000060000 : "uboot" 
0x000000060000-0x000000080000 : "env1" 
0x000000080000-0x0000000a0000 : "env2" 
0x0000000a0000-0x0000002a0000 : "linux" 
0x0000002a0000-0x000004000000 : "rootfs" 
MACB_mii_bus: probed 
eth0: Atmel MACB at 0xfffc4000 irq 21 (20:00:00:00:00:00) 
eth0: attached PHY driver [LXT971] (mii_bus:phy_addr=ffffffff:01, irq=-1) 
usbmon: debugfs is not available 
ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver 
at91_ohci at91_ohci: AT91 OHCI 
at91_ohci at91_ohci: new USB bus registered, assigned bus number 1 
at91_ohci at91_ohci: irq 20, io mem 0x00500000 
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. 
udc: at91_udc version 3 May 2006 
mousedev: PS/2 mouse device common for all mice 
rtc-pcf8563 0-0051: chip found, driver version 0.4.3 
rtc-pcf8563 0-0051: rtc core: registered rtc-pcf8563 as rtc0 
i2c /dev entries driver 
Max706 Watchdog Timer (timeout = 1sec,, nowayout) 
TCP cubic registered 
NET: Registered protocol family 17 
rtc-pcf8563 0-0051: pcf8563_get_datetime: read error 
rtc-pcf8563 0-0051: hctosys: unable to read the hardware clock 
VFS: Cannot open root device "ubi0:rootfs" or unknown-block(0,0) 
Please append a correct "root=" boot option; here are the available partitions: 
1f00             128 mtdblock0  (driver?) 
1f01             256 mtdblock1  (driver?) 
1f02             128 mtdblock2  (driver?) 
1f03             128 mtdblock3  (driver?) 
1f04            2048 mtdblock4  (driver?) 
1f05           62848 mtdblock5  (driver?) 
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) 
[<c002f0dc>] (unwind_backtrace+0x0/0xe0) from [<c0214d8c>] (panic+0x50/0x174) 
[<c0214d8c>] (panic+0x50/0x174) from [<c0008ec0>] (mount_block_root+0x234/0x284) 
 
[<c0008ec0>] (mount_block_root+0x234/0x284) from [<c0008ff8>] (prepare_namespace 
+0x88/0x180) 
[<c0008ff8>] (prepare_namespace+0x88/0x180) from [<c0008b48>] (kernel_init+0x108 
/0x148) 
[<c0008b48>] (kernel_init+0x108/0x148) from [<c002accc>] (kernel_thread_exit+0x0 
/0x8) 
 
 
去掉ECC后
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