Cannot mount root file system using nfs.

rakesh bk rakeshbk402 at
Wed Feb 13 21:56:31 EST 2008

Hi EveryOne,

   I am new to Xenomai , I have ported linux-2.6.14 to our custom board
based on IBM750Cxe Iam unable to boot my kernel cross compiled with eldk-3.0with
   enabled xenomai support.If i remove xenomai and ipipe support the kernel
boots correctly , but if i enable CONFIG_IPIPE I get stuck in the before
mounting the root file system  .

   The following patches are applied and arguements of scripts/prepare- is mentioned as follows
   Target architecture [default i686]: ppc
   Adeos patch[default linux-2.6.14/xenomai-2.2.0

## Booting image at 00800000 ...
   Image Name:   Linux-2.6.14
   Created:      2008-02-13   8:23:56 UTC
   Image Type:   PowerPC Linux Kernel Image (gzip compressed)
   Data Size:    1568257 Bytes =  1.5 MB
   Load Address: 00000000
   Entry Point:  00000000
   Verifying Checksum ... OK
   Uncompressing Kernel Image ... OK
initrd != NULL ea100000
outside initrd
root=/dev/nfs rw nfsroot= ip= c
onsole=ttyS0,9600 ip1=off
## Transferring control to Linux (at address 00000000) ...
Total memory = 128MB; using 256kB for hash table (at a03c0000)
Linux version 2.6.14 (root at localhost.localdomain) (gcc version
3.2.220030217 (Yellow Dog Linux
3.0 3.2.2-2a_1)) #38 PREEMPT
 Wed Feb 13 13:53:52 IST 2008
Kernel command line: root=/dev/nfs rw nfsroot= ip=
:ATSLinux:eth0:none console=ttyS0,9600 ip1=off
 Initializing init_irq
PID hash table entries: 1024 (order: 10, 16384 bytes)
time_init: decrementer frequency = 17.000000 MHz
Warning: real time clock seems stuck!
I-pipe 1.3-05: pipeline enabled.
Console: colour dummy device 80x25
Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
Memory: 125696k available (2588k kernel code, 960k data, 156k init, 0k
Mount-cache hash table entries: 512
softlockup thread 0 started up.
NET: Registered protocol family 16
PCI: Probing PCI hardware
Xenomai: ALTIVEC support enabled in kernel but no hardware found.
         Disable CONFIG_ALTIVEC in the kernel configuration.
Xenomai: system init failed, code -19.
Xenomai: native skin init failed, code -19.
Xenomai: starting POSIX services.
Xenomai: POSIX skin init failed, code -19.
Xenomai: RTDM skin init failed, code -19.
Installing knfsd (copyright (C) 1996 okir at
Initializing Cryptographic API
Generic RTC Driver v1.07
Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled
ttyS0 at MMIO 0x0 (irq = 85) is a 16550A
ttyS1 at MMIO 0x0 (irq = 86) is a 16550A
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
loop: loaded (max 8 devices)
nbd: registered device at major 43
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
mice: PS/2 mouse device common for all mice
NET: Registered protocol family 2
IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
TCP established hash table entries: 8192 (order: 3, 32768 bytes)
TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
TCP reno registered
TCP bic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
NET: Registered protocol family 15
gt64260_eth_open : Assigned IRQ 32 to gt64260_eth0
eth0: MII said 3, GT said 9, restarting autoneg
eth0: link state:
  GT:100: Link:HD:nFC
 mii:100: Link:FD: FC ANc:AN
IP-Config: Guessing netmask
IP-Config: Complete:
      device=eth0, addr=, mask=, gw=,
     host=ATSLinux, domain=, nis-domain=(none),
     bootserver=, rootserver=, rootpath=
Looking up port of RPC 100003/2 on
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