Hi,
I am trying to boot DM368 board using nfs flash by doing the following commands as mentioned in the document
2.4.4 Booting from Flash Using NFS File System
1) Flash Linux Kernel using any of the methods mentioned above and set
bootcmd as follows:
DM368 IPNC # setenv bootcmd 'nboot 0x80700000 0
0x500000;bootm'
2) To boot from flash using NFS file system, set the following parameters
after you abort the automatic boot sequence.
DM368 IPNC # setenv nfshost <ip addr of nfs host>
DM368 IPNC # setenv rootpath <directory to mount*>
DM368 IPNC # setenv bootargs console=ttyS1,115200n8 noinitrd
rw ip=dhcp root=/dev/nfs nfsroot=$(nfshost):$(rootpath),
nolock mem=48M
DM368 IPNC # boot
but i am getting the following output:
DM368 IPNC :>
DM368 IPNC :>setenv nfshost 10.17.8.125
DM368 IPNC :>setenv rootpath /home/mayank/DM36x/ipnc/target/filesys
DM368 IPNC :>setenv bootargs console=ttyS1,115200n8 noinitrd rw ip=dhcp root=/dev/nfs nfsroot=$(nfshost):$(rootpath),nolock mem=48M
DM368 IPNC :>boot
NAND read: device 0 offset 0x700000, size 0xd00000
Skipping bad block 0x00b80000
13631488 bytes read: OK
Loading from NAND 128MiB 3,3V 8-bit, offset 0x500000
Image Name: Linux-2.6.18_pro500-davinci_IPNC
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 1818408 Bytes = 1.7 MB
Load Address: 80008000
Entry Point: 80008000
## Booting kernel from Legacy Image at 80700000 ...
Image Name: Linux-2.6.18_pro500-davinci_IPNC
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 1818408 Bytes = 1.7 MB
Load Address: 80008000
Entry Point: 80008000
Verifying Checksum ... OK
Loading Kernel Image ... OK
OK
Starting kernel ...
Linux version 2.6.18_pro500-davinci_IPNC_DM368_2.6.0 (root@localhost.localdomain) (gcc version 4.2.0 (MontaVista 4.2.0-16.0.32.0801914 2008-08-30)) #1 PREEM1
CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177
Machine: DaVinci DM368 IPNC
Memory policy: ECC disabled, Data cache writeback
DaVinci DM0365 variant 0x8
PLL0: fixedrate: 24000000, commonrate: 170000000, vpssrate: 340000000
PLL0: vencrate_sd: 75555555, ddrrate: 340000000 mmcsdrate: 48571428
PLL1: armrate: 432000000, voicerate: 20571428, vencrate_hd: 27000000
CPU0: D VIVT write-back cache
CPU0: I cache: 16384 bytes, associativity 4, 32 byte lines, 128 sets
CPU0: D cache: 8192 bytes, associativity 4, 32 byte lines, 64 sets
Built 1 zonelists. Total pages: 12288
Kernel command line: console=ttyS1,115200n8 noinitrd rw ip=dhcp root=/dev/nfs nfsroot=10.17.8.125:/home/mayank/DM36x/ipnc/target/filesys,nolock mem=48M
PID hash table entries: 256 (order: 8, 1024 bytes)
Clock event device timer0_0 configured with caps set: 07
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: 48MB = 48MB total
Memory: 44672KB available (3117K code, 647K data, 176K init)
Security Framework v1.0.0 initialized
Capability LSM initialized
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
NET: Registered protocol family 16
DaVinci: 104 gpio irqs
MUX: initialized GPIO20
MUX: initialized I2C_SCL
Generic PHY: Registered new driver
ch0 default output "COMPOSITE", mode "NTSC"
VPBE Encoder Initialized
SCSI subsystem 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: 1024 (order: 0, 4096 bytes)
TCP: Hash tables configured (established 2048 bind 1024)
TCP reno registered
***davinci_spi_board_init()!<6>
***davinci_spi_board_init_End(0)!<5>VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
squashfs: version 3.1 (2006/08/19) Phillip Lougher
JFFS2 version 2.2. (NAND) (C) 2001-2006 Red Hat, Inc.
yaffs Jun 30 2011 15:45:25 Installing.
SGI XFS with no debug enabled
Initializing Cryptographic API
io scheduler noop registered
io scheduler anticipatory registered (default)
LTT : ltt-facilities init
LTT : ltt-facility-core init in kernel
DAVINCI-WDT: DaVinci Watchdog Timer: heartbeat 60 sec
Serial: 8250/16550 driver $Revision: 1.90 $ 2 ports, IRQ sharing disabled
serial8250.0: ttyS0 at MMIO map 0x1c20000 mem 0xfbc20000 (irq = 40) is a 16550A
serial8250.0: ttyS1 at MMIO map 0x1d06000 mem 0xfbd06000 (irq = 41) is a 16550A
RAMDISK driver initialized: 1 RAM disks of 32768K size 1024 blocksize
Linux video capture interface: v2.00
Trying to register davinci display video device.
layer=c0545a00,layer->video_dev=c0545b60
Trying to register davinci display video device.
layer=c0545800,layer->video_dev=c0545960
davinci_init:DaVinci V4L2 Display Driver V1.0 loaded
i2c /dev entries driver
nand_davinci nand_davinci.0: Using 4-bit hardware ECC
NAND device: Manufacturer ID: 0xec, Chip ID: 0xf1 (Samsung NAND 128MiB 3,3V 8-bit)
Creating 7 MTD partitions on "nand_davinci.0":
0x00000000-0x00300000 : "bootloader"
0x00300000-0x00500000 : "params"
0x00500000-0x00700000 : "kernel"
0x00700000-0x02700000 : "filesystem"
0x02700000-0x02900000 : "data1"
0x02900000-0x02d00000 : "Calibration"
0x02d00000-0x08000000 : "data2"
nand_davinci nand_davinci.0: hardware revision: 2.3
MUX: initialized SPI0_SCLK
MUX: initialized SPI0_SDO)
dm_spi.0: davinci SPI Controller driver at 0xc3866000 (irq = 42) use_dma=0
rtc_davinci_dm365 rtc_davinci_dm365.0: rtc intf: proc
rtc_davinci_dm365 rtc_davinci_dm365.0: rtc intf: dev (254:0)
rtc_davinci_dm365 rtc_davinci_dm365.0: rtc core: registered rtc_davinci_dm365 as rtc0
Advanced Linux Sound Architecture Driver Version 1.0.12rc1 (Thu Jun 22 13:55:50 2006 UTC).
ASoC version 0.13.1
CQ0093 Voice Codec 0.1
asoc: cq93vc <-> davinci-vcif mapping ok
ALSA device list:
#0: On-chip voice codec (cq93vc)
IPv4 over IPv4 tunneling driver
TCP bic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
Time: timer0_1 clocksource has been installed.
Clock event device timer0_0 configured with caps set: 08
Switched to high resolution mode on CPU 0
rtc_davinci_dm365 rtc_davinci_dm365.0: setting the system clock to 2000-01-01 04:32:37 (946701157)
IP-Config: No network devices available.
Looking up port of RPC 100003/2 on 10.17.8.125
portmap: RPC call returned error 101
Root-NFS: Unable to get nfsd port number from server, using default
Looking up port of RPC 100005/1 on 10.17.8.125
portmap: RPC call returned error 101
Root-NFS: Unable to get mountd port number from server, using default
mount: RPC call returned error 101
Root-NFS: Server returned error -101 while mounting /home/mayank/DM36x/ipnc/target/filesys
VFS: Unable to mount root fs via NFS, trying floppy.
VFS: Cannot open root device "nfs" or unknown-block(2,0)
Please append a correct "root=" boot option
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0).
Please guide me how can i remove this kernel sync error.
When i boot just by pressing the reset button on the board it boots fine.Also the root path is same as /etc/exports file and
i am starting the nfs server also before booting from flash using nfs file system.
Thanks and Regards,
Mayank
