大家好！我使用的是IPNC V5.1软件包，为什么我解压出来的根文件系统的软链接指向的是绝对路径？有没有利用NFS挂载根文件系统的，能否为小弟解答一下，非常感谢！！！！！！！
IPNC V5.1 适配DM36x
IPNC V3.8 适配DM38x 以及 DM812x
另外解压IPNC v5.1跟文件系统没有遇到类似问题。下图是在ubuntu服务器中所看到的情况，你是在板子上看的还是在服务器上看的？
另外，你在实际NFS运行中是否有遇到什么问题或困难呢？
你好！
这是我的ubuntu下的截图：
实际使用NFS挂载文件系统运行的时候，是这样的：
Starting kernel ...
Linux version 2.6.37_IPNC_DM365EVM_5.1.0 (longwei@123456) (gcc version 4.3.3 (G5
CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177
CPU: VIVT data cache, VIVT instruction cache
Machine: DaVinci DM36x EVM
Memory policy: ECC disabled, Data cache writeback
DaVinci dm36x_rev1.2 variant 0x8
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 12192
Kernel command line: mem=48M console=ttyS0,115200n8 noinitrd rw ip=dhcp root=/df
TI DaVinci EMAC: kernel boot params Ethernet address: 00:0e:99:02:c0:cf
PID hash table entries: 256 (order: -2, 1024 bytes)
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: 43740k/43740k available, 5412k reserved, 0K highmem
Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)
DMA : 0xff000000 - 0xffe00000 ( 14 MB)
vmalloc : 0xc3800000 - 0xfea00000 ( 946 MB)
lowmem : 0xc0000000 - 0xc3000000 ( 48 MB)
modules : 0xbf000000 - 0xc0000000 ( 16 MB)
.init : 0xc0008000 - 0xc002d000 ( 148 kB)
.text : 0xc002d000 - 0xc0475000 (4384 kB)
.data : 0xc0476000 - 0xc04a7000 ( 196 kB)
SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Preemptable hierarchical RCU implementation.
RCU-based detection of stalled CPUs is disabled.
Verbose stalled-CPUs detection is disabled.
NR_IRQS:245
Console: colour dummy device 80x30
Calibrating delay loop (skipped) preset value.. 147.86 BogoMIPS (lpj=739328)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
DaVinci: 8 gpio irqs
NET: Registered protocol family 16
EVM: HD imager video input
bio: create slab <bio-0> at 0
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
vpss vpss: dm365_vpss vpss probed
vpss vpss: dm365_vpss vpss probe success
Advanced Linux Sound Architecture Driver Version 1.0.23.
cfg80211: Calling CRDA to update world regulatory domain
Switching to clocksource timer0_1
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 2048 (order: 2, 16384 bytes)
TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
TCP: Hash tables configured (established 2048 bind 2048)
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.
Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
JFFS2 version 2.2. (NAND) �© 2001-2006 Red Hat, Inc.
msgmni has been set to 85
io scheduler noop registered (default)
CSL: Module install successful, device major num = 254
CSL: Module version 0.10.00, built on Jun 23 2015 15:59:09
I2C: Module install successful, device major num = 253
DMA: Module install successful, device major num = 252
EVM: switch to tvp5146 SD video input
DRV: Sensor interface selected on DM365 EVM
DRV: Module install successful
DRV: Module built on Jun 23 2015 15:59:10
DRV: EDMACC.QUEPRI = 00002777
DRV: SYSTEM.MSTPRI0 = 00440011
DRV: SYSTEM.MSTPRI1 = 00000444
DRV: ISP.BCR = 00000002
DRV: SYSTEM.MISC = 00000399
EDMAK module: built on Jun 23 2015 at 15:58:46
Reference Linux version 2.6.37
File /home/longwei/working/IPNC_RDK_DM36x_V5.1.0/Source/dvsdk_ipnctools/linuxc
IRQK module: built on Jun 23 2015 at 15:58:45
Reference Linux version 2.6.37
File /home/longwei/working/IPNC_RDK_DM36x_V5.1.0/Source/dvsdk_ipnctools/linuxc
irqk initialized
CMEMK module: built on Jun 23 2015 at 15:58:43
Reference Linux version 2.6.37
File /home/longwei/working/IPNC_RDK_DM36x_V5.1.0/Source/dvsdk_ipnctools/linuxc
allocated heap buffer 0xc4000000 of size 0x5000000
CMEM Range Overlaps Kernel Physical - allowing overlap
CMEM phys_start (0x1000) overlaps kernel (0x80000000 -> 0x83000000)
cmemk initialized
Serial: 8250/16550 driver, 2 ports, IRQ sharing disabled
serial8250.0: ttyS0 at MMIO 0x1c20000 (irq = 40) is a 16550A
console [ttyS0] enabled
serial8250 serial8250.0: unable to register port at index 1 (IO0 MEM1d06000 IRQ2
brd: module loaded
at24 1-0050: 32768 byte 24c256 EEPROM (writable)
Read MAC addr from EEPROM: 00:0e:99:02:cf:a8
NAND device: Manufacturer ID: 0x2c, Chip ID: 0xd3 (Micron )
2 NAND chips detected
Creating 12 MTD partitions on "davinci_nand.0":
0x000000000000-0x000000700000 : "bootloader"
0x000000700000-0x000000780000 : "descriptions"
0x000000780000-0x000000800000 : "parameters"
0x000000800000-0x000000a00000 : "system_file"
0x000000a00000-0x000000e00000 : "safe_kernel"
0x000000e00000-0x000002e00000 : "safe_rootfs"
0x000002e00000-0x000003200000 : "kernel"
0x000003200000-0x000005200000 : "rootfs"
0x000005200000-0x000005a00000 : "opt"
0x000005a00000-0x000005e00000 : "log"
0x000005e00000-0x000006000000 : "cfg"
0x000006000000-0x000008000000 : "data"
davinci_nand davinci_nand.0: controller rev. 2.3
spi_davinci spi_davinci.0: Controller at 0xfec66000
davinci_mdio davinci_mdio.0: davinci mdio revision 1.4
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
console [netcon0] enabled
netconsole: network logging started
mice: PS/2 mouse device common for all mice
tsc2004: probe of 1-0049 failed with error -121
input: DM365 EVM Controls as /devices/platform/i2c_davinci.1/i2c-1/1-0025/input0
i2c /dev entries driver
Linux media interface: v0.10
lirc_dev: IR Remote Control driver registered, major 246
IR NEC protocol handler initialized
IR RC5(x) protocol handler initialized
IR RC6 protocol handler initialized
IR JVC protocol handler initialized
IR Sony protocol handler initialized
IR RC5 (streamzap) protocol handler initialized
IR LIRC bridge handler initialized
Linux video capture interface: v2.00
vpbe-osd vpbe-osd: OSD sub device probe success
vpbe-venc vpbe-venc: VENC sub device probe success
vpbe-v4l2 vpbe-v4l2: vpbe v4l2 device registered
ths7303 1-002c: chip found @ 0x58 (DaVinci I2C adapter)
write byte data failed
vpbe-v4l2 vpbe-v4l2: v4l2 sub device ths7303 registered
Setting default output to Composite
Setting default mode to ntsc
vpbe-v4l2 vpbe-v4l2: Trying to register VPBE display device.
vpbe-v4l2 vpbe-v4l2: layer=c29b5800,layer->video_dev=c29b58f4
vpbe-v4l2 vpbe-v4l2: Trying to register VPBE display device.
vpbe-v4l2 vpbe-v4l2: layer=c29b5a00,layer->video_dev=c29b5af4
watchdog watchdog: heartbeat 60 sec
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
asoc: tlv320aic3x-hifi <-> davinci-mcbsp mapping ok
ALSA device list:
#0: DaVinci DM365 EVM
TCP cubic registered
NET: Registered protocol family 17
lib80211: common routines for IEEE802.11 drivers
net eth0: attached PHY driver [Generic PHY] (mii_bus:phy_addr=0:01, id=221613)
Sending DHCP requests .
PHY: 0:01 - Link is Up - 100/Full
., OK
IP-Config: Got DHCP answer from 0.0.0.0, my address is 192.168.1.41
IP-Config: Complete:
device=eth0, addr=192.168.1.41, mask=255.255.255.0, gw=192.168.1.1,
host=192.168.1.41, domain=, nis-domain=(none),
bootserver=0.0.0.0, rootserver=192.168.1.100, rootpath=
VFS: Mounted root (nfs filesystem) on device 0:13.
Freeing init memory: 148K
INIT: version 2.86 booting
mknod: /dev/spidev0.0: File exists
Starting mounting local filesystems: mount Creat queue id:0
queue id:0
FileMngThread created
Creat queue id:32769
queue id:32769
queue id:32769
AlramThread created
Share memory init success
Creat queue id:65538
queue id:65538
Creat queue id:98307
queue id:98307
IPNC_DM365EVM_5.1.0 (longwei@123456) (gcc version 4.3.3 (GCC) ) #3 PREEMPT Thu
queue id:65538
net_search_gateway:eth0, 1A8C0, 0, 1
CPU is DM365
Check_device_version : DEVICE VER = 0 !!
*****************************************************************
IPNC BUILD VERSION: DM365 IPNC RDK V5.10.00.02
*****************************************************************
Error: SemWait: Invalid Semaphore handler
Error: SemRelease: Invalid Semaphore handler
./av_server.out DM365 NTSC TI2A AEWB 720P H264 4000000 VBR AUTO MENUOFF &
nfs: server 192.168.1.100 not responding, still trying
nfs: server 192.168.1.100 not responding, still trying
nfs: server 192.168.1.100 not responding, still trying
nfs: server 192.168.1.100 not responding, still trying
nfs: server 192.168.1.100 not responding, still trying
INFO: task mount:1081 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
mount D c036eb94 0 1081 1080 0x00000000
Backtrace:
[<c036e834>] (schedule+0x0/0x3f8) from [<c036f270>] (schedule_timeout+0x24/0x21)
[<c036f24c>] (schedule_timeout+0x0/0x214) from [<c036f0b4>] (wait_for_common+0x)
r7:7fffffff r6:c2b63f54 r5:00000000 r4:00000000
[<c036efbc>] (wait_for_common+0x0/0x1bc) from [<c036f220>] (wait_for_completion)
[<c036f208>] (wait_for_completion+0x0/0x1c) from [<c0042734>] (do_fork+0x280/0x)
[<c00424b4>] (do_fork+0x0/0x2cc) from [<c0031108>] (sys_vfork+0x34/0x40)
[<c00310d4>] (sys_vfork+0x0/0x40) from [<c002e020>] (ret_fast_syscall+0x0/0x2c)
INFO: task mount:1081 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
mount D c036eb94 0 1081 1080 0x00000000
Backtrace:
[<c036e834>] (schedule+0x0/0x3f8) from [<c036f270>] (schedule_timeout+0x24/0x21)
[<c036f24c>] (schedule_timeout+0x0/0x214) from [<c036f0b4>] (wait_for_common+0x)
r7:7fffffff r6:c2b63f54 r5:00000000 r4:00000000
[<c036efbc>] (wait_for_common+0x0/0x1bc) from [<c036f220>] (wait_for_completion)
[<c036f208>] (wait_for_completion+0x0/0x1c) from [<c0042734>] (do_fork+0x280/0x)
[<c00424b4>] (do_fork+0x0/0x2cc) from [<c0031108>] (sys_vfork+0x34/0x40)
[<c00310d4>] (sys_vfork+0x0/0x40) from [<c002e020>] (ret_fast_syscall+0x0/0x2c)
INFO: task mount:1081 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
mount D c036eb94 0 1081 1080 0x00000000
Backtrace:
[<c036e834>] (schedule+0x0/0x3f8) from [<c036f270>] (schedule_timeout+0x24/0x21)
[<c036f24c>] (schedule_timeout+0x0/0x214) from [<c036f0b4>] (wait_for_common+0x)
r7:7fffffff r6:c2b63f54 r5:00000000 r4:00000000
[<c036efbc>] (wait_for_common+0x0/0x1bc) from [<c036f220>] (wait_for_completion)
[<c036f208>] (wait_for_completion+0x0/0x1c) from [<c0042734>] (do_fork+0x280/0x)
[<c00424b4>] (do_fork+0x0/0x2cc) from [<c0031108>] (sys_vfork+0x34/0x40)
[<c00310d4>] (sys_vfork+0x0/0x40) from [<c002e020>] (ret_fast_syscall+0x0/0x2c)
