I can mount to kernel 2.6.30,which information like:
Linux version 2.6.30 (gsf@ubuntu) (gcc version 4.3.3 (Sourcery G++ Lite 2009q1-2
03) ) #7 Tue May 31 00:38:43 PDT 2011
CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177
CPU: VIVT data cache, VIVT instruction cache
Machine: Atmel AT91SAM9M10G45-EK
Memory policy: ECC disabled, Data cache writeback
Clocks: CPU 400 MHz, master 133 MHz, main 12.000 MHz
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32512
Kernel command line: console=ttyS0,115200 root=/dev/mtdblock0 mtdparts=at91_nand
:-(root) rw rootfstype=jffs2
NR_IRQS:192
AT91: 160 gpio irqs in 5 banks
PID hash table entries: 512 (order: 9, 2048 bytes)
Console: colour dummy device 80x30
console [ttyS0] enabled
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
Memory: 128MB = 128MB total
Memory: 126064KB available (3264K code, 242K data, 112K init, 0K highmem)
Calibrating delay loop... 199.47 BogoMIPS (lpj=997376)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
net_namespace: 296 bytes
NET: Registered protocol family 16
atmel_tcb: probe of atmel_tcb.0 failed with error -22
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
cfg80211: Calling CRDA to update world regulatory domain
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 4096 (order: 3, 32768 bytes)
TCP bind hash table entries: 4096 (order: 2, 16384 bytes)
TCP: Hash tables configured (established 4096 bind 4096)
TCP reno registered
NET: Registered protocol family 1
hx170dec: dec/pp kernel module. $Revision: 1.9 $
hx170dec: supports 8170 and 8190 hardware
hx170dec: base_port=0x00900000 irq=30
hx170dec: HW ID=0x81701250
hx170dec: Compatible HW found at 0x00900000
IRQ 30/hx170dec: IRQF_DISABLED is not guaranteed on shared IRQs
hx170dec: module inserted. Major = 253
memalloc: 8190 Linear Memory Allocator, $Revision: 1.1 $
memalloc: linear memory base = 0x74000000
memalloc: allocation method: MEMALLOC_BASIC
memalloc: 117727232 bytes (112MB) configured. Check RAM size!
NetWinder Floating Point Emulator V0.97 (double precision)
NTFS driver 2.1.29 [Flags: R/W DEBUG].
JFFS2 version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc.
msgmni has been set to 246
alg: No test for stdrng (krng)
io scheduler noop registered
io scheduler anticipatory registered (default)
atmel_lcdfb atmel_lcdfb.0: 255KiB frame buffer at 77980000 (mapped at ffa00000)
atmel_lcdfb atmel_lcdfb.0: fb0: Atmel LCDC at 0x00500000 (mapped at c885c000), i
rq 23
atmel_usart.0: ttyS0 at MMIO 0xfeffee00 (irq = 1) is a ATMEL_SERIAL
atmel_usart.2: ttyS2 at MMIO 0xfff90000 (irq = 8) is a ATMEL_SERIAL
brd: module loaded
loop: module loaded
Driver 'sd' needs updating - please use bus_type methods
MACB_mii_bus: probed
eth0: Atmel MACB at 0xfffbc000 irq 25 (3e:36:65:ba:6f:be)
eth0: attached PHY driver [Davicom DM9161A] (mii_bus:phy_addr=ffffffff:00, irq=-
1)
NAND device: Manufacturer ID: 0x2c, Chip ID: 0xaa (Micron NAND 256MiB 1,8V 8-bit
)
AT91 NAND: 8-bit, Software ECC
Scanning device for bad blocks
Bad eraseblock 607 at 0x000004be0000
Creating 2 MTD partitions on "atmel_nand":
0x000000000000-0x000004000000 : "Partition 1"
0x000004000000-0x000010000000 : "Partition 2"
atmel_spi atmel_spi.0: Atmel SPI Controller at 0xfffa4000 (irq 14)
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
atmel-ehci atmel-ehci: Atmel EHCI UHP HS
atmel-ehci atmel-ehci: new USB bus registered, assigned bus number 1
atmel-ehci atmel-ehci: irq 22, io mem 0x00800000
atmel-ehci atmel-ehci: USB 2.0 started, EHCI 1.00
usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb1: Product: Atmel EHCI UHP HS
usb usb1: Manufacturer: Linux 2.6.30 ehci_hcd
usb usb1: SerialNumber: atmel-ehci
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
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 2
at91_ohci at91_ohci: irq 22, io mem 0x00700000
usb usb2: New USB device found, idVendor=1d6b, idProduct=0001
usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb2: Product: AT91 OHCI
usb usb2: Manufacturer: Linux 2.6.30 ohci_hcd
usb usb2: SerialNumber: at91
usb usb2: configuration #1 chosen from 1 choice
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 2 ports detected
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
atmel_usba_udc atmel_usba_udc: MMIO registers at 0xfff78000 mapped at c8866000
atmel_usba_udc atmel_usba_udc: FIFO at 0x00600000 mapped at c8900000
mice: PS/2 mouse device common for all mice
input: gpio-keys as /class/input/input0
atmel_tsadcc atmel_tsadcc: Master clock is set at: 133333333 Hz
atmel_tsadcc atmel_tsadcc: Prescaler is set at: 82
input: atmel touch screen controller as /class/input/input1
rtc-at91sam9 at91_rtt.0: rtc core: registered at91_rtt as rtc0
IRQ 1/rtc0: IRQF_DISABLED is not guaranteed on shared IRQs
rtc-at91sam9 at91_rtt.0: rtc0: SET TIME!
i2c-gpio i2c-gpio.0: using pins 52 (SDA) and 53 (SCL)
Registered led device: d8
Registered led device: d6
Registered led device: d7
at_hdmac at_hdmac: Atmel AHB DMA Controller ( cpy slave ), 8 channels
Advanced Linux Sound Architecture Driver Version 1.0.20.
atmel_ac97c atmel_ac97c.0: Atmel AC97 controller at 0xc8880000, irq = 24
ALSA device list:
#0: Atmel AC97 controller
TCP cubic registered
NET: Registered protocol family 17
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
lib80211: common routines for IEEE802.11 drivers
rtc-at91sam9 at91_rtt.0: hctosys: unable to read the hardware clock
atmel_mci atmel_mci.0: Using dma0chan0 for DMA transfers
atmel_mci atmel_mci.0: Atmel MCI controller at 0xfff80000 irq 11, 1 slots
atmel_mci atmel_mci.1: Using dma0chan1 for DMA transfers
atmel_mci atmel_mci.1: Atmel MCI controller at 0xfffd0000 irq 29, 1 slots
Empty flash at 0x03cc56bc ends at 0x03cc5800
VFS: Mounted root (jffs2 filesystem) on device 31:0.
Freeing init memory: 112K
but when using 2.6.39,information like:
Linux version 2.6.39 (gsf@ubuntu) (gcc version 4.3.3 (Sourcery G++ Lite 2009q1-2
03) ) #9 Sun Jun 19 23:45:40 PDT 2011
CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177
CPU: VIVT data cache, VIVT instruction cache
Machine: Atmel AT91SAM9M10G45-EK
Memory policy: ECC disabled, Data cache writeback
Clocks: CPU 400 MHz, master 133 MHz, main 12.000 MHz
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32512
Kernel command line: console=ttyS0,115200 root=/dev/mtdblock0 mtdparts=at91_nand
:-(root) rw rootfstype=jffs2
PID hash table entries: 512 (order: -1, 2048 bytes)
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
Memory: 128MB = 128MB total
Memory: 126804k/126804k available, 4268k reserved, 0K highmem
Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)
DMA : 0xffa00000 - 0xffe00000 ( 4 MB)
vmalloc : 0xc8800000 - 0xfee00000 ( 870 MB)
lowmem : 0xc0000000 - 0xc8000000 ( 128 MB)
modules : 0xbf000000 - 0xc0000000 ( 16 MB)
.init : 0xc0008000 - 0xc0022000 ( 104 kB)
.text : 0xc0022000 - 0xc02ca000 (2720 kB)
.data : 0xc02ca000 - 0xc02effa0 ( 152 kB)
NR_IRQS:192
AT91: 160 gpio irqs in 5 banks
Console: colour dummy device 80x30
console [ttyS0] enabled
Calibrating delay loop... 199.06 BogoMIPS (lpj=995328)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
NET: Registered protocol family 16
AT91: Power Management
AT91: Starting after user reset
bio: create slab <bio-0> at 0
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: 4096 (order: 3, 32768 bytes)
TCP bind hash table entries: 4096 (order: 2, 16384 bytes)
TCP: Hash tables configured (established 4096 bind 4096)
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)
squashfs: version 4.0 (2009/01/31) Phillip Lougher
NTFS driver 2.1.30 [Flags: R/O].
JFFS2 version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc.
msgmni has been set to 247
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254)
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
atmel_usart.0: ttyS0 at MMIO 0xfeffee00 (irq = 1) is a ATMEL_SERIAL
atmel_usart.2: ttyS2 at MMIO 0xfff90000 (irq = 8) is a ATMEL_SERIAL
atmel_nand atmel_nand: Failed to request DMA channel
atmel_nand atmel_nand: No DMA support for NAND access.
NAND device: Manufacturer ID: 0x2c, Chip ID: 0xaa (Micron NAND 256MiB 1,8V 8-bit
)
Scanning device for bad blocks
Bad eraseblock 607 at 0x000004be0000
Creating 2 MTD partitions on "atmel_nand":
0x000000000000-0x000004000000 : "Partition 1"
0x000004000000-0x000010000000 : "Partition 2"
mousedev: PS/2 mouse device common for all mice
lirc_dev: IR Remote Control driver registered, major 253
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
IR RC5 (streamzap) protocol handler initialized
IR LIRC bridge handler initialized
Linux video capture interface: v2.00
TCP cubic registered
List of all partitions:
No filesystem could mount root, tried: jffs2
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
Backtrace:
[<c002bc10>] (dump_backtrace+0x0/0x114) from [<c021f4d8>] (dump_stack+0x18/0x1c)
r7:00008000 r6:c787c000 r5:c001f934 r4:c02f0300
[<c021f4c0>] (dump_stack+0x0/0x1c) from [<c021f53c>] (panic+0x60/0x188)
[<c021f4dc>] (panic+0x0/0x188) from [<c0009028>] (mount_block_root+0x264/0x2b4)
r3:00000000 r2:00000020 r1:c7819f60 r0:c029fd82
[<c0008dc4>] (mount_block_root+0x0/0x2b4) from [<c00090cc>] (mount_root+0x54/0x6
c)
r8:00000000 r7:00000013 r6:c003b24c r5:c029fde6 r4:00000000
[<c0009078>] (mount_root+0x0/0x6c) from [<c000921c>] (prepare_namespace+0x138/0x
190)
r5:c001f934 r4:c001f944
[<c00090e4>] (prepare_namespace+0x0/0x190) from [<c0008658>] (kernel_init+0x108/
0x144)
r5:c0008550 r4:c02effe0
[<c0008550>] (kernel_init+0x0/0x144) from [<c003b24c>] (do_exit+0x0/0x650)
r5:c0008550 r4:00000000
Why? If you know the way to solve it,pelase write to
armboy@sohu.com.Thanks for your concern.
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