挂载网络文件系统不成功，可以通过网络加载内核，NFS服务也是可以用的（在ubuntu上进行了测试），但是每次启动都会出现下面的情况：
Hit any key to stop autoboot: 0 TI8168_EVM#printenv verify=yes ramdisk_file=ramdisk.gz
loadaddr=0x81000000 script_addr=0x80900000
loadbootscript=fatload mmc 0 ${script_addr} boot.scr
bootscript= echo Running bootscript from MMC/SD to set the ENV...; source ${scri pt_addr}
ethaddr=00:18:31:e7:07:76
ethact=DaVinci EMAC
bootdelay=4
baudrate=115200
oldbootargs=console=ttyO2,115200n8 rootwait rw mem=364M@0x80000000 mem=324M@0x9F 900000 root=/dev/mmcblk0p2 rootfstype=ext3 ip=off
bootargs=console=ttyO2,115200n8 rootwait rw mem=364M@0x80000000 mem=324M@0x9F900 000 root=/dev/nfs nfsroot=192.168.1.112:/root/targetfs ip=dhcp autoload=no oldserverip=192.168.1.112 serverip=192.168.1.112
oldbootfile=uImage-dm816x-evm.bin
bootfile=uImage-dm816x-evm.bin
oldbootcmd=mmc rescan 0;fatload mmc 0 0x82000000 uImage;bootm 0x82000000
bootcmd=dhcp;setenv serverip 192.168.1.112;tftpboot;bootm
ver=U-Boot 2010.06 (Apr 29 2012 - 20:28:20) Environment size: 868/8188 bytes TI8168_EVM#boot BOOTP broadcast 1 DHCP client bound to address 192.168.1.134 Using DaVinci EMAC device TFTP from server 192.168.1.112; our IP address is 192.168.1.134 Filename 'uImage-dm816x-evm.bin'. Load address: 0x81000000 Loading: ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################################## done Bytes transferred = 2563448 (271d78 hex) ## Booting kernel from Legacy Image at 81000000 ... Image Name: Arago/2.6.37-psp04.04.00.01/dm81 Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 2563384 Bytes = 2.4 MiB Load Address: 80008000 Entry Point: 80008000
Verifying Checksum ... OK
Loading Kernel Image ... OK
OK Starting kernel ... Uncompressing Linux... done, booting the kernel. Linux version 2.6.37 (x0029463@swubn01) (gcc version 4.3.3 (Sourcery G++ Lite 20 09q1-203) ) #1 Sun Apr 29 20:16:23 IST 2012 CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c53c7f CPU: VIPT nonaliasing data cache, VIPT aliasing instruction cache Machine: ti8168evm reserved size = 52428800 at 0x0 FB: Reserving 52428800 bytes SDRAM for VRAM Memory policy: ECC disabled, Data cache writeback OMAP chip is TI8168 2.0 Built 1 zonelists in Zone order, mobility grouping on. Total pages: 161670 Kernel command line: console=ttyO2,115200n8 rootwait rw mem=364M@0x80000000 mem= 324M@0x9F900000 root=/dev/nfs nfsroot=192.168.1.112:/root/targetfs ip=dhcp PID hash table entries: 4096 (order: 2, 16384 bytes) Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) Memory: 364MB 274MB = 638MB total Memory: 641464k/641464k available, 63048k reserved, 11264K highmem Virtual kernel memory layout: vector : 0xffff0000 - 0xffff1000 ( 4 kB) fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) DMA : 0xffc00000 - 0xffe00000 ( 2 MB) vmalloc : 0xf0800000 - 0xf8000000 ( 120 MB) lowmem : 0xc0000000 - 0xf0000000 ( 768 MB) pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB) modules : 0xbf000000 - 0xbfe00000 ( 14 MB) .init : 0xc0008000 - 0xc003b000 ( 204 kB) .text : 0xc003b000 - 0xc04d8000 (4724 kB) .data : 0xc04d8000 - 0xc0520f00 ( 292 kB) SLUB: Genslabs=11, HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 NR_IRQS:407 IRQ: Found an INTC at 0xfa200000 (revision 5.0) with 128 interrupts Total of 128 interrupts on 1 active controller GPMC revision 6.0 Trying to install interrupt handler for IRQ400 Trying to install interrupt handler for IRQ401 Trying to install interrupt handler for IRQ402 Trying to install interrupt handler for IRQ403 Trying to install interrupt handler for IRQ404 Trying to install interrupt handler for IRQ405 Trying to install interrupt handler for IRQ406 Trying to install type control for IRQ407 Trying to set irq flags for IRQ407 OMAP clockevent source: GPTIMER1 at 27000000 Hz Console: colour dummy device 80x30 Calibrating delay loop... 986.31 BogoMIPS (lpj=4931584) pid_max: default: 32768 minimum: 301 Security Framework initialized Mount-cache hash table entries: 512 CPU: Testing write buffer coherency: ok devtmpfs: initialized omap_voltage_early_init: voltage driver support not added regulator: core version 0.5 regulator: dummy: NET: Registered protocol family 16 omap_voltage_domain_lookup: Voltage driver init not yet happened.Faulting! omap_voltage_add_dev: VDD specified does not exist! OMAP GPIO hardware version 0.1 OMAP GPIO hardware version 0.1 omap_mux_init: Add partition: #1: core, flags: 0 _omap_mux_get_by_name: Could not find signal i2c2_scl.i2c2_scl _omap_mux_get_by_name: Could not find signal i2c2_sda.i2c2_sda NOR: Can't request GPMC CS registered ti816x_gpio_vr device registered ti816x_sr device pm_dbg_init: only OMAP3 supported registered ti81xx_vpss device registered ti81xx_vidout device registered ti81xx on-chip HDMI device registered ti81xx_fb device registered ti81xx_vin device ti81xx_pcie: Invoking PCI BIOS... ti81xx_pcie: Setting up Host Controller... ti81xx_pcie: Register base mapped @0xf0820000 ti81xx_pcie: Starting PCI scan... PCI: bus0: Fast back to back transfers enabled bio: create slab <bio-0> at 0 regulator: VFB: 800 <--> 1025 mV at 1010 mV vgaarb: loaded SCSI subsystem initialized usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb USBSS revision 4ea20809 registerd cppi-dma Intr @ IRQ 17 Cppi41 Init Done omap_i2c omap_i2c.1: bus 1 rev4.0 at 100 kHz omap_i2c omap_i2c.2: bus 2 rev4.0 at 100 kHz Advanced Linux Sound Architecture Driver Version 1.0.23. Switching to clocksource gp timer musb-hdrc: version 6.0, host, debug=0 musb-hdrc musb-hdrc.0: dma type: dma-cppi41 MUSB controller-0 revision 4ea20800 musb-hdrc musb-hdrc.0: MUSB HDRC host driver musb-hdrc musb-hdrc.0: new USB bus registered, assigned bus number 1 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: MUSB HDRC host driver usb usb1: Manufacturer: Linux 2.6.37 musb-hcd usb usb1: SerialNumber: musb-hdrc.0 hub 1-0:1.0: USB hub found hub 1-0:1.0: 1 port detected musb-hdrc musb-hdrc.0: USB Host mode controller at f081e000 using DMA, IRQ 18 musb-hdrc musb-hdrc.1: dma type: dma-cppi41 MUSB controller-1 revision 4ea20800 musb-hdrc musb-hdrc.1: MUSB HDRC host driver musb-hdrc musb-hdrc.1: new USB bus registered, assigned bus number 2 usb usb2: New USB device found, idVendor=1d6b, idProduct=0002 usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 usb usb2: Product: MUSB HDRC host driver usb usb2: Manufacturer: Linux 2.6.37 musb-hcd usb usb2: SerialNumber: musb-hdrc.1 hub 2-0:1.0: USB hub found hub 2-0:1.0: 1 port detected musb-hdrc musb-hdrc.1: USB Host mode controller at f0826800 using DMA, IRQ 19 NET: Registered protocol family 2 IP route cache hash table entries: 32768 (order: 5, 131072 bytes) TCP established hash table entries: 131072 (order: 8, 1048576 bytes) TCP bind hash table entries: 65536 (order: 6, 262144 bytes) TCP: Hash tables configured (established 131072 bind 65536) TCP reno registered UDP hash table entries: 512 (order: 1, 8192 bytes) UDP-Lite hash table entries: 512 (order: 1, 8192 bytes) NET: Registered protocol family 1 RPC: Registered udp transport module. RPC: Registered tcp transport module. RPC: Registered tcp NFSv4.1 backchannel transport module. NetWinder Floating Point Emulator V0.97 (double precision) PMU: registered new PMU device of type 0 omap-iommu omap-iommu.0: ducati registered omap-iommu omap-iommu.1: sys registered highmem bounce pool size: 64 pages JFFS2 version 2.2. (NAND) �© 2001-2006 Red Hat, Inc. msgmni has been set to 1230 io scheduler noop registered io scheduler deadline registered io scheduler cfq registered (default) Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled omap_uart.0: ttyO0 at MMIO 0x48020000 (irq = 72) is a OMAP UART0 omap_uart.1: ttyO1 at MMIO 0x48022000 (irq = 73) is a OMAP UART1 omap_uart.2: ttyO2 at MMIO 0x48024000 (irq = 74) is a OMAP UART2 console [ttyO2] enabled brd: module loaded loop: module loaded ahci ahci.0: forcing PORTS_IMPL to 0x3 ahci ahci.0: AHCI 0001.0100 32 slots 2 ports 3 Gbps 0x3 impl platform mode ahci ahci.0: flags: ncq sntf pm led clo only pmp pio slum part ccc scsi0 : ahci_platform scsi1 : ahci_platform ata1: SATA max UDMA/133 mmio [mem 0x4a140000-0x4a150fff] port 0x100 irq 16 ata2: SATA max UDMA/133 mmio [mem 0x4a140000-0x4a150fff] port 0x180 irq 16 m25p80 spi1.0: found w25q32, expected m25p80 m25p80 spi1.0: w25q32 (4096 Kbytes) Creating 4 MTD partitions on "spi_flash": 0x000000000000-0x000000040000 : "U-Boot" 0x000000040000-0x000000042000 : "U-Boot Env" 0x000000042000-0x0000002c2000 : "Kernel" 0x0000002c2000-0x000000400000 : "File System" omap2-nand driver initializing NAND device: Manufacturer ID: 0x2c, Chip ID: 0xca (Micron ) Creating 5 MTD partitions on "omap2-nand.0": 0x000000000000-0x000000260000 : "U-Boot" 0x000000260000-0x000000280000 : "U-Boot Env" 0x000000280000-0x0000006c0000 : "Kernel" 0x0000006c0000-0x00000cee0000 : "File System" 0x00000cee0000-0x000010000000 : "Reserved" davinci_mdio davinci_mdio.0: davinci mdio revision 1.6 davinci_mdio davinci_mdio.0: detected phy mask fffffff9 davinci_mdio.0: probed davinci_mdio davinci_mdio.0: phy[1]: device 0:01, driver unknown davinci_mdio davinci_mdio.0: phy[2]: device 0:02, driver unknown usbcore: registered new interface driver cdc_ether usbcore: registered new interface driver dm9601 Initializing USB Mass Storage driver... usbcore: registered new interface driver usb-storage USB Mass Storage support registered. mice: PS/2 mouse device common for all mice omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0 i2c /dev entries driver Linux video capture interface: v2.00 usbcore: registered new interface driver uvcvideo USB Video Class driver (v1.0.0) OMAP Watchdog Timer Rev 0x00: initial timeout 60 sec usb 1-1: new low speed USB device using musb-hdrc and address 2 usbcore: registered new interface driver usbhid usbhid: USB HID core driver usbcore: registered new interface driver snd-usb-audio asoc: tlv320aic3x-hifi <-> davinci-mcasp.2 mapping ok ALSA device list: #0: TI81XX EVM TCP cubic registered NET: Registered protocol family 17 VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3 omap_voltage_late_init: Voltage driver support not added Power Management for TI81XX. smartreflex smartreflex: Driver initialized omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800) ata1: SATA link down (SStatus 0 SControl 300) ata2: SATA link down (SStatus 0 SControl 300) usb 1-1: New USB device found, idVendor=046d, idProduct=c045 usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 usb 1-1: Product: USB-PS/2 Optical Mouse usb 1-1: Manufacturer: Logitech input: Logitech USB-PS/2 Optical Mouse as /devices/platform/omap/ti81xx-usbss/mu sb-hdrc.0/usb1/1-1/1-1:1.0/input/input0 generic-usb 0003:046D:C045.0001: input: USB HID v1.10 Mouse [Logitech USB-PS/2 O ptical Mouse] on usb-musb-hdrc.0-1/input0 davinci_mdio davinci_mdio.0: resetting idled controller net eth0:
attached PHY driver [Generic PHY] (mii_bus:phy_addr=0:01, id=282f014) net eth1:
attached PHY driver [Generic PHY] (mii_bus:phy_addr=0:02, id=282f014)
Sending DHCP requests
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PHY: 0:01 - Link is Up - 100/Full
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DHCP/BOOTP: Ignoring delayed packet
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DHCP/BOOTP: Ignoring delayed packet
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DHCP/BOOTP: Ignoring delayed packet
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DHCP/BOOTP: Ignoring delayed packet
