Kernel 에서 NFS 로 넘어갈 때 질문입니다.

안녕하세요. 처음으로 질문을 올리는 것 같습니다.

기존에 잘 되던 시스템에서 Kernel만 2.6.29->2.6.39로 업그레이드 하고 있습니다.
현재는 NFS로 부팅하는 것을 확인하고 있는데요.
기존 2.6.29 커널은 정상적으로 /sbin/init을 잘 실행시킵니다.
그런데 수정한 2.6.39 커널은 /sbin/init 에서 한참 머뭇거리다 에러가 납니다.
문제 해결이 잘 안되네요. 도움을 부탁드립니다.

커널 부팅로그를 첨부해 봅니다.

1. 잘 되는 로그 linux-2.6.29
--------------------------------------------------------------------------------------------------------------------
CPU: ARMv6-compatible processor [410fb766] revision 6 (ARMv7), cr=00c5387f
CPU: VIPT nonaliasing data cache, VIPT nonaliasing instruction cache
Machine: SMDK6410
Memory policy: ECC disabled, Data cache writeback
CPU S3C6410 (id 0x36410101)
S3C24XX Clocks, (c) 2004 Simtec Electronics
S3C64XX: PLL settings, A=532000000, M=532000000, E=24000000
S3C64XX: HCLK2=266000000, HCLK=133000000, PCLK=66500000
mout_apll: source is fout_apll (1), rate is 532000000
mout_epll: source is fout_epll (1), rate is 24000000
mout_mpll: source is mpll (1), rate is 532000000
mmc_bus: source is mout_epll (0), rate is 24000000
mmc_bus: source is mout_epll (0), rate is 24000000
mmc_bus: source is mout_epll (0), rate is 24000000
usb-bus-host: source is mout_epll (0), rate is 24000000
uclk1: source is dout_mpll (1), rate is 66500000
spi-bus: source is mout_epll (0), rate is 24000000
spi-bus: source is mout_epll (0), rate is 24000000
audio-bus: source is mout_epll (0), rate is 24000000
audio-bus: source is mout_epll (0), rate is 24000000
irda-bus: source is mout_epll (0), rate is 24000000
camif: source is hclk (0), rate is 133000000
camera: source is hclk2 (0), rate is 266000000
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32512
Kernel command line: root=/dev/nfs rw nfsroot=192.168.2.17:/home/auksinblue/work/uRSE/rootfs ip=192.168.2.98:192.168.2.17:192.168.2.1:255.255.255.0::eth0:off console=ttySAC1,115200n81
PID hash table entries: 512 (order: 9, 2048 bytes)
Console: colour dummy device 80x30
console [ttySAC1] enabled
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
Memory: 128MB = 128MB total
Memory: 124856KB available (3300K code, 1454K data, 112K init)
SLUB: Genslabs=12, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Calibrating delay loop... 530.84 BogoMIPS (lpj=2654208)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
net_namespace: 520 bytes
NET: Registered protocol family 16
s3c64xx_dma_init: Registering DMA channels
s3c64xx_dma_init1: registering DMA 0 (c8808100)
s3c64xx_dma_init1: registering DMA 1 (c8808120)
s3c64xx_dma_init1: registering DMA 2 (c8808140)
s3c64xx_dma_init1: registering DMA 3 (c8808160)
s3c64xx_dma_init1: registering DMA 4 (c8808180)
s3c64xx_dma_init1: registering DMA 5 (c88081a0)
s3c64xx_dma_init1: registering DMA 6 (c88081c0)
s3c64xx_dma_init1: registering DMA 7 (c88081e0)
PL080: IRQ 73, at c8808000
s3c64xx_dma_init1: registering DMA 8 (c880c100)
s3c64xx_dma_init1: registering DMA 9 (c880c120)
s3c64xx_dma_init1: registering DMA 10 (c880c140)
s3c64xx_dma_init1: registering DMA 11 (c880c160)
s3c64xx_dma_init1: registering DMA 12 (c880c180)
s3c64xx_dma_init1: registering DMA 13 (c880c1a0)
s3c64xx_dma_init1: registering DMA 14 (c880c1c0)
s3c64xx_dma_init1: registering DMA 15 (c880c1e0)
PL080: IRQ 74, at c880c000
S3C6410: Initialising architecture
bio: create slab at 0
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
NET: Registered protocol family 1
ashmem: initialized
JFFS2 version 2.2. (NAND) ⓒ 2001-2006 Red Hat, Inc.
yaffs May 17 2016 09:58:50 Installing.
msgmni has been set to 244
alg: No test for stdrng (krng)
io scheduler noop registered
io scheduler cfq registered (default)
Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
s3c6400-uart.0: s3c2410_serial0 at MMIO 0x7f005000 (irq = 16) is a S3C6400/10
s3c6400-uart.1: s3c2410_serial1 at MMIO 0x7f005400 (irq = 20) is a S3C6400/10
s3c6400-uart.2: s3c2410_serial2 at MMIO 0x7f005800 (irq = 24) is a S3C6400/10
s3c6400-uart.3: s3c2410_serial3 at MMIO 0x7f005c00 (irq = 28) is a S3C6400/10
brd: module loaded
loop: module loaded
smsc911x: Driver version 2008-10-21.
s3c_irq_eint_set_type: irq 112, offs 11, type 8, addr 0xf4500900, value 0x00000000
smsc911x-mdio: probed
eth0: attached PHY driver [Generic PHY] (mii_bus:phy_addr=ffffffff:01, irq=-1)
net eth0: MAC Address: 1e:63:59:09:a2:69
S3C NAND Driver, (c) 2008 Samsung Electronics
S3C NAND Driver is using hardware ECC.
NAND device: Manufacturer ID: 0xec, Chip ID: 0xda (Samsung NAND 256MiB 3,3V 8-bit)
Creating 4 MTD partitions on "NAND 256MiB 3,3V 8-bit":
0x000000000000-0x000000040000 : "Bootloader"
0x000000040000-0x000000400000 : "Kernel"
0x000000400000-0x000004400000 : "Rootfs"
0x000004400000-0x000010000000 : "File System"
mice: PS/2 mouse device common for all mice
s3c_irq_eint_set_type: irq 110, offs 9, type 1, addr 0xf4500900, value 0x00040000
TCP cubic registered
NET: Registered protocol family 17
NET: Registered protocol family 15
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
VFP support v0.3: implementor 41 architecture 1 part 20 variant b rev 5
net eth0: SMSC911x/921x identified at 0xc8a00000, IRQ: 112
IP-Config: Complete:
device=eth0, addr=192.168.2.98, mask=255.255.255.0, gw=192.168.2.1,
host=192.168.2.98, domain=, nis-domain=(none),
bootserver=192.168.2.17, rootserver=192.168.2.17, rootpath=
Looking up port of RPC 100003/2 on 192.168.2.17
Looking up port of RPC 100005/1 on 192.168.2.17
VFS: Mounted root (nfs filesystem) on device 0:12.
Freeing init memory: 112K
INIT: version 2.86 booting
Setting hostname localhost
Remounting root filesystem in read-write mode
mount: can't find / in /etc/fstab
INIT: Entering runlevel: 3

[ generic rootfs v 1.0 ]
localhost login:
-----------------------------------------------------------------------------------------------------

2. 잘 안되는 로그 linux-2.6.39
-----------------------------------------------------------------------------------------------------
CPU: ARMv6-compatible processor [410fb766] revision 6 (ARMv7), cr=00c5387f
CPU: VIPT nonaliasing data cache, VIPT nonaliasing instruction cache
Machine: SMDK6410
Memory policy: ECC disabled, Data cache writeback
CPU S3C6410 (id 0x36410101)
S3C24XX Clocks, Copyright 2004 Simtec Electronics
camera: no parent clock specified
S3C64XX: PLL settings, A=532000000, M=532000000, E=24000000
S3C64XX: HCLK2=266000000, HCLK=133000000, PCLK=66500000
mout_apll: source is fout_apll (1), rate is 532000000
mout_epll: source is epll (1), rate is 24000000
mout_mpll: source is mpll (1), rate is 532000000
mmc_bus: source is mout_epll (0), rate is 24000000
mmc_bus: source is mout_epll (0), rate is 24000000
mmc_bus: source is mout_epll (0), rate is 24000000
usb-bus-host: source is clk_48m (0), rate is 48000000
uclk1: source is dout_mpll (1), rate is 66500000
spi-bus: source is mout_epll (0), rate is 24000000
spi-bus: source is mout_epll (0), rate is 24000000
audio-bus: source is mout_epll (0), rate is 24000000
audio-bus: source is mout_epll (0), rate is 24000000
audio-bus: source is mout_epll (0), rate is 24000000
irda-bus: source is mout_epll (0), rate is 24000000
camera: no parent clock specified
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32512
Kernel command line: root=/dev/nfs rw nfsroot=192.168.2.17:/home/auksinblue/work/uRSE/rootfs ip=192.168.2.98:192.168.2.17:192.168.2.1:255.255.255.0::eth0:off console=ttySAC1,115200n81
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: 128MB = 128MB total
Memory: 125468k/125468k available, 5604k reserved, 0K highmem
Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)
DMA : 0xff600000 - 0xffe00000 ( 8 MB)
vmalloc : 0xc8800000 - 0xf6000000 ( 728 MB)
lowmem : 0xc0000000 - 0xc8000000 ( 128 MB)
pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
.init : 0xc0008000 - 0xc0028000 ( 128 kB)
.text : 0xc0028000 - 0xc03ea460 (3850 kB)
.data : 0xc03ec000 - 0xc0415480 ( 166 kB)
SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
NR_IRQS:246
VIC @f6000000: id 0x00041192, vendor 0x41
VIC @f6010000: id 0x00041192, vendor 0x41
Console: colour dummy device 80x30
console [ttySAC1] enabled
Calibrating delay loop... 528.79 BogoMIPS (lpj=2643968)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
hw perfevents: enabled with v6 PMU driver, 3 counters available
print_constraints: dummy:
NET: Registered protocol family 16
hw-breakpoint: found 6 breakpoint and 1 watchpoint registers.
hw-breakpoint: maximum watchpoint size is 4 bytes.
s3c64xx_dma_init: Registering DMA channels
PL080: IRQ 73, at c8808000, channels 0..8
PL080: IRQ 74, at c880c000, channels 8..16
S3C6410: Initialising architecture
bio: create slab at 0
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
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: 4, 81920 bytes)
TCP: Hash tables configured (established 4096 bind 4096)
TCP reno registered
UDP hash table entries: 128 (order: 0, 6144 bytes)
UDP-Lite hash table entries: 128 (order: 0, 6144 bytes)
NET: Registered protocol family 1
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
JFFS2 version 2.2. (NAND) ⓒ 2001-2006 Red Hat, Inc.
ROMFS MTD (C) 2007 Red Hat, Inc.
msgmni has been set to 245
io scheduler noop registered
io scheduler cfq registered (default)
start plist test
end plist test
s3c6400-uart.0: ttySAC0 at MMIO 0x7f005000 (irq = 16) is a S3C6400/10
s3c6400-uart.1: ttySAC1 at MMIO 0x7f005400 (irq = 20) is a S3C6400/10
s3c6400-uart.2: ttySAC2 at MMIO 0x7f005800 (irq = 24) is a S3C6400/10
s3c6400-uart.3: ttySAC3 at MMIO 0x7f005c00 (irq = 28) is a S3C6400/10
brd: module loaded
loop: module loaded
S3C24XX NAND Driver, (c) 2004 Simtec Electronics
s3c24xx-nand s3c6400-nand: Tacls=4, 30ns Twrph0=8 60ns, Twrph1=6 45ns
s3c24xx-nand s3c6400-nand: System booted from NAND
s3c24xx-nand s3c6400-nand: NAND hardware ECC
NAND device: Manufacturer ID: 0xec, Chip ID: 0xda (Samsung NAND 256MiB 3,3V 8-bit)
Scanning device for bad blocks
Bad eraseblock 352 at 0x000002c00000
Bad eraseblock 1109 at 0x000008aa0000
Bad eraseblock 1976 at 0x00000f700000
Creating 4 MTD partitions on "nand":
0x000000000000-0x000000040000 : "uboot"
0x000000040000-0x000000400000 : "kernel"
0x000000400000-0x000004400000 : "rootfs"
0x000004400000-0x000010000000 : "File System"
s3c24xx-nand s3c6400-nand: clock idle support enabled
smsc911x: Driver version 2008-10-21.
smsc911x smsc911x: eth0: Features changed: 0x00004800 -> 0x00004000
smsc911x-mdio: probed
eth0: attached PHY driver [Generic PHY] (mii_bus:phy_addr=ffffffff:01, irq=-1)
net eth0: MAC Address: 7e:11:b5:95:60:51
usbcore: registered new interface driver usbserial
usbserial: USB Serial Driver core
mousedev: PS/2 mouse device common for all mice
cpuidle: using governor ladder
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
TCP cubic registered
NET: Registered protocol family 17
NET: Registered protocol family 15
VFP support v0.3: implementor 41 architecture 1 part 20 variant b rev 5
net eth0: SMSC911x/921x identified at 0xc8880000, IRQ: 112
IP-Config: Complete:
device=eth0, addr=192.168.2.98, mask=255.255.255.0, gw=192.168.2.1,
host=192.168.2.98, domain=, nis-domain=(none),
bootserver=192.168.2.17, rootserver=192.168.2.17, rootpath=
VFS: Mounted root (nfs filesystem) on device 0:12.
Freeing init memory: 128K
nfs: server 192.168.2.17 not responding, still trying
nfs: server 192.168.2.17 not responding, still trying

확인 부탁드립니다. 꾸벅..