I have difficulty in booting via tftp using file system. My boot configuration is as follows
bootdelay=3 baudrate=115200 netmask=255.255.255.0 rootpath=/home/kirthika/workdir/filesys bootfile=uImage gatewayip=192.168.0.1 serverip=192.168.0.185 nfshost=192.168.0.184 bootargs=console=ttyS0,115200n8 noinitrd rw ip=dhcp root=/dev/nfs nfsroot=192.16 8.0.184:/home/kirthika/workdir/filesys,nolock mem=120M ipaddr=192.168.0.188 bootcmd=dhcp;bootm stdin=serial stdout=serial stderr=serial ethaddr=00:0e:99:02:29:00 videostd=ntsc Starting kernel ... Uncompressing Linux............................................................. ........................... done, booting the.Linux version 2.6.10_mvl401-davinc i_evm ([email protected]) (gcc version 3.4.3 (MontaVista 3.4.3-25.0 .30.0501131 2005-07-23)) #6 Sun Feb 15 18:19:53 KST 2009 CPU: ARM926EJ-Sid(wb) [41069265] revision 5 (ARMv5TEJ) 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 Machine: DaVinci EVM Memory policy: ECC disabled, Data cache writeback Built 1 zonelists Kernel command line: console=ttyS0,115200n8 noinitrd rw ip=dhcp root=/dev/nfs nf sroot=192.168.0.184:/home/kirthika/workdir/filesys,nolock mem=120M PID hash table entries: 512 (order: 9, 8192 bytes) Console: colour dummy device 80x30 Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) Memory: 120MB = 120MB total Memory: 118784KB available (2311K code, 487K data, 136K init) Mount-cache hash table entries: 512 (order: 0, 4096 bytes) CPU: Testing write buffer coherency: ok spawn_desched_task(00000000) desched cpu_callback 3/00000000 ksoftirqd started up. desched cpu_callback 2/00000000 desched thread 0 started up. NET: Registered protocol family 16 Registering platform device 'nor_davinci.0'. Parent at platform Registering platform device 'nand_davinci.0'. Parent at platform Registering platform device 'musb_hdrc'. Parent at platform DaVinci I2C DEBUG: 18:17:12 Feb 15 2009 Registering platform device 'i2c'. Parent at platform usbcore: registered new driver usbfs usbcore: registered new driver hub JFFS2 version 2.2. (NAND) (C) 2001-2003 Red Hat, Inc. yaffs Feb 15 2009 18:16:41 Installing. Registering platform device 'davincifb.0'. Parent at platform Console: switching to colour frame buffer device 90x30 Serial: 8250/16550 driver $Revision: 1.90 $ 2 ports, IRQ sharing disabled Registering platform device 'serial8250'. Parent at platform ìtyS0 at MMIO 0x1c20000 (irq = 40) is a 16550A io scheduler noop registered io scheduler anticipatory registered RAMDISK driver initialized: 1 RAM disks of 32768K size 1024 blocksize Registering platform device 'ti_davinci_emac'. Parent at platform TI DaVinci EMAC: MAC address is 00:0e:99:02:29:00 TI DaVinci EMAC Linux version updated 4.0 TI DaVinci EMAC: Installed 1 instances. netconsole: not configured, aborting i2c /dev entries driver Linux video capture interface: v1.00 Registering platform device 'vpfe.1'. Parent at platform DaVinci v4l2 capture driver V1.0 loaded Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx hda: TOSHIBA MK4026GAX RoHS, ATA DISK drive elevator: using anticipatory as default io scheduler ide0 at 0xe10661f0-0xe10661f7,0xe10663f6 on irq 22 hda: max request size: 128KiB hda: 78140160 sectors (40007 MB), CHS=65535/16/63 hda: unknown partition table ide0: BM-DMA at 0xe1066000-0xe1066007, BIOS settings: hda:pio, hdb:pio mice: PS/2 mouse device common for all mice musb_hdrc: version 2.2a/db-0.4.8 [pio] [host] [debug=0] musb_hdrc: USB Host mode controller at c8060000 using PIO, IRQ 12 musb_hdrc musb_hdrc: new USB bus registered, assigned bus number 1 hub 1-0:1.0: USB hub found hub 1-0:1.0: 1 port detected Registering platform device 'davinci-audio.0'. Parent at platform NET: Registered protocol family 2 IP: routing cache hash table of 512 buckets, 4Kbytes TCP: Hash tables configured (established 8192 bind 16384) NET: Registered protocol family 1 NET: Registered protocol family 17 Sending DHCP requests ., OK IP-Config: Got DHCP answer from 192.168.0.98, my address is 0.0.0.0 IP-Config: Unable to set interface netmask (-99). Looking up port of RPC 100003/2 on 192.168.0.184 RPC: sendmsg returned error 101 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 192.168.0.184 RPC: sendmsg returned error 101 portmap: RPC call returned error 101 Root-NFS: Unable to get mountd port number from server, using default RPC: sendmsg returned error 101 mount: RPC call returned error 101 Root-NFS: Server returned error -101 while mounting /home/kirthika/workdir/files ys 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) I also confirmed that NFS is active in Linux Workstation side. Suggest me how to resolve this in DM6446.
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