[U-Boot] Root-Filesystem ober NFS doesn't work... --> Kernel panic ---> corrupt textfile

[Michael Schmid]

I'm sorry, somehow the log.txt in my last e-mail got corrupted....

Here it is:

Uncompressing 
Linux............................................................................................... 
done, booting the kernel.
 Linux version 2.6.14-M5 (Alan at ace-yang) (gcc version 3.3.2) #837 Tue 
Aug 14 14:14:03 CST 2007
 CPU: ARM920Tid(wb) [41129200] revision 0 (ARMv4T)
 Machine: Artila M501 SOM
 Memory policy: ECC disabled, Data cache writeback
 Clocks: CPU 179 MHz, master 59 MHz, main 18.432 MHz
 CPU0: D VIVT write-back cache
 CPU0: I cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets
 CPU0: D cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets
 Built 1 zonelists
 Kernel command line: root=/dev/nfs rw nfsroot=192.168.2.40:/opt/arm 
ip=192.168.2.196:192.168.2.40:192.168.2.254:255.255.255.0:michael-laptop::off 
console=ttyS0,115200
 AT91: 128 gpio irqs in 4 banks
 PID hash table entries: 256 (order: 8, 4096 bytes)
 Console: colour dummy device 80x30
 Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
 Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
 Memory: 32MB = 32MB total
 Memory: 26824KB available (2389K code, 523K data, 104K init)
 Mount-cache hash table entries: 512
 CPU: Testing write buffer coherency: ok
 checking if image is initramfs...it isn't (no cpio magic); looks like 
an initrd
 Freeing initrd memory: 2509K
 NET: Registered protocol family 16
 SCSI subsystem initialized
 usbcore: registered new driver usbfs
 usbcore: registered new driver hub
 NetWinder Floating Point Emulator V0.97 (extended precision)
 JFFS2 version 2.2. (NAND) (C) 2001-2003 Red Hat, Inc.
 Initializing Cryptographic API
 Matrix500 RTC driver.
 Matrix500 GPIO Driver Loaded.
 AT91 SPI driver loaded
 AT91 Watchdog Timer enabled (5 seconds)
 ttyS0 at MMIO 0xfefff200 (irq = 1) is a AT91_SERIAL
 ttyS1 at MMIO 0xfefc0000 (irq = 6) is a AT91_SERIAL
 ttyS2 at MMIO 0xfefc4000 (irq = 7) is a AT91_SERIAL
 ttyS3 at MMIO 0xfefc8000 (irq = 8) is a AT91_SERIAL
 ttyS4 at MMIO 0xfefcc000 (irq = 9) is a AT91_SERIAL
 io scheduler noop registered
 io scheduler anticipatory registered
 RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize
 PPP generic driver version 2.4.2
 PPP BSD Compression module registered
 NET: Registered protocol family 24
 eth0: Link now 100-FullDuplex
 eth0: AT91 ethernet at 0xfefbc000 int=24 100-FullDuplex (00:13:48:00:77:b5)
 eth0: Davicom 9161AE PHY (Copper)
 physmap flash device: 1000000 at 10000000
 phys_mapped_flash: Found 1 x16 devices at 0x0 in 16-bit bank
  Intel/Sharp Extended Query Table at 0x010A
 Using buffer write method
 cfi_cmdset_0001: Erase suspend on write enabled
 RedBoot partition parsing not available
 block2mtd: version $Revision: 1.28 $
 at91rm9200-ohci at91rm9200-ohci: AT91RM9200 OHCI
 at91rm9200-ohci at91rm9200-ohci: new USB bus registered, assigned bus 
number 1
 at91rm9200-ohci at91rm9200-ohci: irq 23, io mem 0x00300000
 usb usb1: Product: AT91RM9200 OHCI
 usb usb1: Manufacturer: Linux 2.6.14-M5 ohci_hcd
 usb usb1: SerialNumber: at91rm9200
 hub 1-0:1.0: USB hub found
 hub 1-0:1.0: 2 ports detected
 usbcore: registered new driver cdc_acm
 drivers/usb/class/cdc-acm.c: v0.23:USB Abstract Control Model driver 
for USB modems and ISDN adapters
 usbcore: registered new driver usblp
 drivers/usb/class/usblp.c: v0.13: USB Printer Device Class driver
 Initializing USB Mass Storage driver...
 usbcore: registered new driver usb-storage
 USB Mass Storage support registered.
 rtusb init ====>
 usbcore: registered new driver rt73
 usbcore: registered new driver usbserial
 drivers/usb/serial/usb-serial.c: USB Serial support registered for Generic
 usbcore: registered new driver usbserial_generic
 drivers/usb/serial/usb-serial.c: USB Serial Driver core v2.0
 drivers/usb/serial/usb-serial.c: USB Serial support registered for FTDI 
USB Serial Device
 usbcore: registered new driver ftdi_sio
 drivers/usb/serial/ftdi_sio.c: v1.4.3:USB FTDI Serial Converters Driver
 drivers/usb/serial/usb-serial.c: USB Serial support registered for PL-2303
 usbcore: registered new driver pl2303
 drivers/usb/serial/pl2303.c: Prolific PL2303 USB to serial adaptor 
driver v0.12
 mice: PS/2 mouse device common for all mice
 i2c /dev entries driver
 Found AT91 i2c
 RTC found.
 AT91RM9200 MCI initialized
 NET: Registered protocol family 2
 IP route cache hash table entries: 512 (order: -1, 2048 bytes)
 TCP established hash table entries: 2048 (order: 1, 8192 bytes)
 TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
 TCP: Hash tables configured (established 2048 bind 2048)
 TCP reno registered
 ip_conntrack version 2.3 (256 buckets, 2048 max) - 240 bytes per conntrack
 ctnetlink v0.90: registering with nfnetlink.
 ip_tables: (C) 2000-2002 Netfilter core team
 ipt_recent v0.3.1: Stephen Frost <sfrost at snowman.net>.  
http://snowman.net/projects/ipt_recent/
 arp_tables: (C) 2002 David S. Miller
 TCP bic registered
 Netfilter messages via NETLINK v0.30.
 NET: Registered protocol family 1
 NET: Registered protocol family 17
 eth0: Link now 100-FullDuplex
 IP-Config: Complete:
       device=eth0, addr=192.168.2.196, mask=255.255.255.0, 
gw=192.168.2.254,
      host=michael-laptop, domain=, nis-domain=(none),
      bootserver=192.168.2.40, rootserver=192.168.2.40, rootpath=
 RAMDISK: Compressed image found at block 0
 VFS: Mounted root (ext2 filesystem).
 VFS: Cannot open root device "nfs" or unknown-block(0,255)
 Please append a correct "root=" boot option
 Kernel panic - not syncing: VFS: Unable to mount root fs on 
unknown-block(0,255)