請問各位先進們:
最近拿到dm8148 evm，跟著USER GUIDE上的設定要用NFS 把ubuntu端的資料掛載起來，但遇到一直無法掛載的問題，請問要怎麼解，我有試過在VM ubuntu 10.04下自已當nfs client掛載是可以成功的，但是dm8148evm上tftp可以下載uimage成功 NFS 就是掛不起來，以下是log，尋找高手求救，謝謝
TI8148_EVM#setenv serverip 192.168.1.112 setenv bootcmd 'dhcp;tftp 81000000 uImage_DM814X_TI_EVM;bootm'
TI8148_EVM#setenv autoload no
TI8148_EVM#setenv nfsserver 192.168.1.112
TI8148_EVM#setenv bootargs 'console=ttyO0,115200n8 root=/dev/nfs rootdelay=5 rw nfsroot=192.168.1.112:/home/neil/dvrrdk/DVRRDK_04.01.00.02/target/rfs_814x,nolock nfsrootdebug mem=128M notifyk.vpssm3_sva=0xBFD00000 earlyprintk ddr_mem=512M vram=20M'
TI8148_EVM#setenv serverip 192.168.1.112
TI8148_EVM#boot
link up on port 0, speed 100, full duplex
BOOTP broadcast 1
BOOTP broadcast 2
DHCP client bound to address 192.168.1.111
link up on port 0, speed 100, full duplex
Using cpsw device
TFTP from server 192.168.1.112; our IP address is 192.168.1.111
Filename 'uImage_DM814X_TI_EVM'.
Load address: 0x81000000
Loading: *T T T #################################################################
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##########################
done
Bytes transferred = 2794396 (0x2aa39c)
## Booting kernel from Legacy Image at 81000000 ...
Image Name: Linux-2.6.37
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 2794332 Bytes = 2.7 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 (a0393400@bangvideoapps01) (gcc version 4.5.3 20110311 (prerelease) (GCC) ) #1 Wed Oct 23 13:13:24 IST 2013
CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c53c7f
CPU: VIPT nonaliasing data cache, VIPT aliasing instruction cache
Machine: ti8148evm
bootconsole [earlycon0] enabled
vram size = 20971520 at 0x0
ti81xx_reserve: ### Reserved DDR region @87f00000
reserved size = 20971520 at 0x0
FB: Reserving 20971520 bytes SDRAM for VRAM
Memory policy: ECC disabled, Data cache writeback
OMAP chip is TI8148 2.1
SRAM: Mapped pa 0x402f1000 to va 0xfe400000 size: 0xf000
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 27136
Kernel command line: console=ttyO0,115200n8 root=/dev/nfs rootdelay=5 rw nfsroot=192.168.1.112:/home/neil/dvrrdk/DVRRDK_04.01.00.02/target/rfs_814x,nolock nfsrootdebug mem=128M notifyk.vpssm3_sva=0xBFD00000 earlyprintk ddr_mem=512M vram=20M
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: 106MB 1MB = 107MB total
Memory: 102384k/102384k available, 28688k reserved, 0K highmem
Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)
DMA : 0xffc00000 - 0xffe00000 ( 2 MB)
vmalloc : 0xc8800000 - 0xf8000000 ( 760 MB)
lowmem : 0xc0000000 - 0xc8000000 ( 128 MB)
pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
.init : 0xc0008000 - 0xc0042000 ( 232 kB)
.text : 0xc0042000 - 0xc054c000 (5160 kB)
.data : 0xc054c000 - 0xc05a2a00 ( 347 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 20000000 Hz
Console: colour dummy device 80x30
Calibrating delay loop... 719.25 BogoMIPS (lpj=3596288)
pid_max: default: 32768 minimum: 301
Security Framework initialized
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
devtmpfs: initialized
TI81XX: Map 0x87f00000 to 0xfe500000 for dram barrier
TI81XX: Map 0x40300000 to 0xfe600000 for sram barrier
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 GPIO hardware version 0.1
OMAP GPIO hardware version 0.1
omap_mux_init: Add partition: #1: core, flags: 4
NOR: Can't request GPMC CS
clk get on i2c3 fck failed
Cannot clk_get ck_32
Debugfs: Only enabling/disabling deep sleep and wakeup timer is supported now
registered ti81xx_vpss device
registered ti81xx_vidout device
registered ti81xx on-chip HDMI device
registered ti81xx_fb device
registered ti81xx_vin device
NSS Crypto DMA hardware revision 1.9 @ IRQ 116
ti81xx_pcie: Invoking PCI BIOS...
ti81xx_pcie: Setting up Host Controller...
ti81xx_pcie: Register base mapped @0xc8830000
ti81xx_pcie: forcing link width - x1
ti81xx_pcie: Starting PCI scan...
PCI: bus0: Fast back to back transfers enabled
ti81xx_pcie: PCI scan done.
bio: create slab <bio-0> at 0
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 4ea2080b
registerd cppi-dma Intr @ IRQ 17
Cppi41 Init Done
omap_i2c omap_i2c.1: bus 1 rev4.0 at 400 kHz
pcf857x 1-0021: gpios 128..143 on a pcf8575
regulator: VRTC: 1800 mV
regulator: VIO: 1500 mV
regulator: VDD1: 600 <--> 1500 mV at 1200 mV
regulator: VDD2: 600 <--> 1500 mV at 1200 mV
regulator: VDDCTRL: 600 <--> 1400 mV at 1200 mV
regulator: LDO1: 1100 <--> 3300 mV at 1800 mV
regulator: LDO2: 1100 <--> 3300 mV at 1800 mV
regulator: LDO3: 1100 <--> 3300 mV at 3300 mV
regulator: LDO4: 1100 <--> 3300 mV at 1800 mV
regulator: LDO5: 1100 <--> 3300 mV at 3300 mV
regulator: LDO6: 1100 <--> 3300 mV at 3300 mV
regulator: LDO7: 1100 <--> 3300 mV at 3300 mV
regulator: LDO8: 1100 <--> 3300 mV at 1800 mV
tps65910 1-002d: No interrupt support, no core IRQ
omap_i2c omap_i2c.3: bus 3 rev4.0 at 400 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
usb2phy: computed values rxcalib(15)DACs(28 13 12)
usb2phy: override computed values rxcalib(15)DACs(28 13 12)
usb2phy_config: musb(0) rxcalib done, rxcalib read value 6f6e5b66
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 c881e000 using DMA, IRQ 18
musb-hdrc musb-hdrc.1: dma type: dma-cppi41
MUSB controller-1 revision 4ea20800
usb2phy: computed values rxcalib(15)DACs(30 16 16)
usb2phy: override computed values rxcalib(15)DACs(30 16 16)
usb2phy_config: musb(1) rxcalib done, rxcalib read value 6f6f6186
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 c882a800 using DMA, IRQ 19
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
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
JFFS2 version 2.2. (NAND) c 2001-2006 Red Hat, Inc.
msgmni has been set to 199
alg: No test for stdrng (krng)
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
nss_rng nss_rng: NSS Random Number Generator ver. 2.0
Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
omap_uart.0: ttyO0 at MMIO 0x48020000 (irq = 72) is a OMAP UART0
console [ttyO0] enabled, bootconsole disabled
console [ttyO0] enabled, bootconsole disabled
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
omap_uart.3: ttyO3 at MMIO 0x481a6000 (irq = 44) is a OMAP UART3
omap_uart.4: ttyO4 at MMIO 0x481a8000 (irq = 45) is a OMAP UART4
omap_uart.5: ttyO5 at MMIO 0x481aa000 (irq = 46) is a OMAP UART5
brd: module loaded
loop: module loaded
ahci probe: devid name is ahci
ahci CAP register dump =0x6726ff80
Modified ahci CAP register dump =0x6f26ff80
ahci ahci.0: forcing PORTS_IMPL to 0x1
ahci: SSS flag set, parallel bus scan disabled
ahci ahci.0: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode
ahci ahci.0: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst
scsi0 : ahci_platform
ata1: SATA max UDMA/133 mmio [mem 0x4a140000-0x4a150fff] port 0x100 irq 16
omap2-nand driver initializing
davinci_mdio davinci_mdio.0: davinci mdio revision 1.6
davinci_mdio davinci_mdio.0: detected phy mask fffffffc
davinci_mdio.0: probed
davinci_mdio davinci_mdio.0: phy[0]: device 0:00, driver unknown
davinci_mdio davinci_mdio.0: phy[1]: device 0:01, driver unknown
CAN device driver interface
CAN bus driver for Bosch D_CAN controller 1.0
d_can d_can: d_can device registered (irq=52, irq_obj=53)
usbcore: registered new interface driver cdc_ether
usbcore: registered new interface driver dm9601
usbcore: registered new interface driver cdc_acm
cdc_acm: v0.26:USB Abstract Control Model driver for USB modems and ISDN adapters
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
qt602240_ts 1-004a: __qt602240_read_reg: i2c transfer failed
qt602240_ts: probe of 1-004a failed with error -5
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
nss_aes_mod_init: loading NSS AES driver
nss-aes nss-aes: NSS AES hw accel rev: 3.2 (context 0 @0x41140000)
nss-aes nss-aes: NSS AES hw accel rev: 3.2 (context 1 @0x41141000)
nss-aes nss-aes: NSS AES hw accel rev: 3.2 (context 2 @0x411a0000)
nss-aes nss-aes: NSS AES hw accel rev: 3.2 (context 3 @0x411a1000)
nss_aes_probe: probe() done
nss_des_mod_init: loading NSS DES driver
nss-des nss-des: NSS DES hw accel rev: 2.2 (context 0 @0x41160000)
nss-des nss-des: NSS DES hw accel rev: 2.2 (context 1 @0x41161000)
nss_des_probe: probe() done
nss_sham_mod_init: loading NSS SHA/MD5 driver
nss-sham nss-sham: NSS SHA/MD5 hw accel rev: 4.03 (context 0 @0x41100000)
nss-sham nss-sham: NSS SHA/MD5 hw accel rev: 4.03 (context 1 @0x41101000)
nss-sham nss-sham: NSS SHA/MD5 hw accel rev: 4.03 (context 2 @0x411c0000)
nss-sham nss-sham: NSS SHA/MD5 hw accel rev: 4.03 (context 3 @0x411c1000)
nss_sham_probe: probe() done
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
notify_init : notify drivercreated for remote proc id 2 at physical Address 0xbfd00000
usbcore: registered new interface driver snd-usb-audio
Registered tvp5158 audio codec
*** Forcing SW CTS!
asoc: tvp5158-hifi <-> davinci-mcasp.0 mapping ok
asoc: tlv320aic3x-hifi <-> davinci-mcasp.2 mapping ok
asoc: HDMI-DAI-CODEC <-> hdmi-dai mapping ok
ALSA device list:
#0: TI81XX SOUND0
#1: TI81XX SOUND1
TCP cubic registered
NET: Registered protocol family 17
can: controller area network core (rev 20090105 abi 8)
NET: Registered protocol family 29
can: raw protocol (rev 20090105)
can: broadcast manager protocol (rev 20090105 t)
Registering the dns_resolver key type
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.
Detected MACID=40:5f:c2:70:1f:d
omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:01 UTC (946684801)
Waiting 5sec before mounting root device...
ata1: SATA link down (SStatus 0 SControl 300)
mmc0: host does not support reading read-only switch. assuming write-enable.
mmc0: new high speed SDHC card at address e624
mmcblk0: mmc0:e624 SD08G 7.40 GiB
mmcblk0: p1 p2
Root-NFS: nfsroot=/home/neil/dvrrdk/DVRRDK_04.01.00.02/target/rfs_814x,nolock
NFS: nfs mount opts='nolock,nolock,addr=192.168.1.112'
NFS: parsing nfs mount option 'nolock'
NFS: parsing nfs mount option 'nolock'
NFS: parsing nfs mount option 'addr=192.168.1.112'
NFS: MNTPATH: '/home/neil/dvrrdk/DVRRDK_04.01.00.02/target/rfs_814x'
NFS: sending MNT request for 192.168.1.112:/home/neil/dvrrdk/DVRRDK_04.01.00.02/target/rfs_814x
NFS: failed to create MNT RPC client, status=-110
NFS: unable to mount server 192.168.1.112, error -110
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; here are the available partitions:
b300 7761920 mmcblk0 driver: mmcblk
b301 72261 mmcblk0p1 00000000-0000-0000-0000-000000000mmcblk0p1
b302 7687102 mmcblk0p2 00000000-0000-0000-0000-000000000mmcblk0p2
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
Backtrace:
[<c004ffc4>] (dump_backtrace+0x0/0x110) from [<c03e9ba0>] (dump_stack+0x18/0x1c)
r6:00008000 r5:c67d8000 r4:c05a3618 r3:60000013
[<c03e9b88>] (dump_stack+0x0/0x1c) from [<c03e9c00>] (panic+0x5c/0x178)
[<c03e9ba4>] (panic+0x0/0x178) from [<c0009184>] (mount_block_root+0x1c4/0x204)
r3:00000000 r2:00000000 r1:c6429f58 r0:c04be635
r7:c04be699
[<c0008fc0>] (mount_block_root+0x0/0x204) from [<c0009358>] (mount_root+0xac/0xcc)
[<c00092ac>] (mount_root+0x0/0xcc) from [<c00094e4>] (prepare_namespace+0x16c/0x1cc)
r4:c05a2a64
[<c0009378>] (prepare_namespace+0x0/0x1cc) from [<c0008d70>] (kernel_init+0x114/0x154)
r5:c002f8dc r4:c002f8dc
[<c0008c5c>] (kernel_init+0x0/0x154) from [<c0078d34>] (do_exit+0x0/0x5d0)
r5:c0008c5c r4:00000000
