Xen users - Feb 2008 - Problem - Boot Xen 3.0.1 Guest using NFS

I have been trying to boot Xen guest (Fedora Core 6 -
linux version 2.6.18) from NFS server but I kept
encountering a problem despite using ramdisk or not.

Key items in my config file are as follows:

================================================kernel
"/root/Xen/xen-3.1.0-src/linux-2.6.18-xenU2/vmlinuz"

# Optional ramdisk.
# ramdisk = "/boot/initrd-2.6.18-xenU2.img"
#root/Xen/xen-3.1.0-src/linux-2.6.18-xenU2/init.img"

memory = 128

name = "Fedora2"
vcpus = 1
vif = [ ''mac=00:16:3e:24:2D:c7, bridge=xenbr0'' ]
ip = ''192.168.23.232'' netmask =
''255.255.255.0''
gateway = ''192.168.0.1''
hostname = ''Fedora2'' #"vm%d" % vmid
broadcast = ''192.168.23.255''

root = ''/dev/nfs''
nfs_server = ''192.168.23.252''
nfs_root   = ''/root/Desktop/FC6''

# Sets runlevel 4.
extra = "4"
===============================================
and THE ERROR I ENCOUNTERED ARE AS FOLLOWS - (see at
the end of the output .. )

...............
............ 
..............
waiting for link... 0 seconds.
Sending request for IP information through eth0
Listening on LPF/eth0/00:16:3e:24:2d:c7
Sending on   LPF/eth0/00:16:3e:24:2d:c7
Sending on   Socket/fallback
DHCPDISCOVER on eth0 to 255.255.255.255 port 67
interval 3
DHCPOFFER from 192.168.23.10
DHCPREQUEST on eth0 to 255.255.255.255 port 67
DHCPACK from 192.168.23.10
bound to 192.168.23.241 -- renewal in 9660 seconds.
DHCPv4 eth0 - obtained lease 192.168.23.241
DHCPv4 eth0 - option subnet-mask: 255.255.255.0
DHCPv4 eth0 - option subnet-mask - prefix_len: 24
broadcast: 192.168.23.255
DHCPv4 eth0 - option routers:
Scanning logical volumes
  Reading all physical volumes.  This may take a
while...
  No volume groups found
Activating logical volumes
  Volume group "VolGroup00" not found
Creating root device.
Mounting root filesystem.
Setting up other filesystems.
Setting up new root fs
no fstab.sys, mounting internal defaults
Copying DHCP lease
Switching to new root and running init.
unmounting old /dev
unmounting old /proc
unmounting old /sys
modprobe: FATAL: Could not load
/lib/modules/2.6.18/modules.dep: No such file or
directory

modprobe: FATAL: Could not load
/lib/modules/2.6.18/modules.dep: No such file or
directory

INIT: version 2.86 booting
                Welcome to Fedora Core
                Press ''I'' to enter interactive
startup.
Setting clock : Wed Feb 20 02:00:56 EST 2008 [  OK  ]
Setting hostname fc6_pristine:  [  OK  ]
Setting up Logical Volume Management:   No volume
groups found
[  OK  ]
Checking filesystems
Checking all file systems.
[  OK  ]
Remounting root filesystem in read-write mode:  [  OK 
]
Mounting local filesystems:  [  OK  ]
Enabling /etc/fstab swaps:  [  OK  ]
modprobe: FATAL: Could not load
/lib/modules/2.6.18/modules.dep: No such file or
directory

INIT: Entering runlevel: 4
Entering non-interactive startup
Bringing up loopback interface:  ./network-functions:
line 166: cd: /var/run/netreport: No such file or
directory
[  OK  ]
Bringing up interface eth0:  
Determining IP information for eth0... done.
./network-functions: line 390: /dev/null: Network is
unreachable
./network-functions: line 390: grep: command not found
/etc/sysconfig/network-scripts/ifup-eth: line 295: ip:
command not found
/etc/sysconfig/network-scripts/ifup-eth: line 312:
/etc/sysconfig/network-scripts/ifup-post: Network is
unreachable
/etc/sysconfig/network-scripts/ifup-eth: line 312:
exec: /etc/sysconfig/network-scripts/ifup-post: cannot
execute: Network is unreachable
[FAILED]
/etc/rc4.d/S10network: line 165: /dev/null: Network is
unreachable
/etc/rc4.d/S10network: line 167: touch: command not
found
/etc/rc.d/rc: line 90: rm: command not found


WHAT DO YOU THING IS THE PROBLEM HERE?? 
THANKS A MILLION IN ADVANCE FOR ANY HELP OR LEADS.

Regards,
Pushkar.

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I''m no expert here, but it looks like your initrd is incorrect. Where 
did you get the DomU kernel and initrd? Does the DomU kernel have 
built-in drivers? If it doesn''t, then you need the (correct) initrd. 
You''ll probably have to rebuild it.

You''ve also got some interesting syntax in your config file - 
''broadcast'' isn''t mentioned in the 3.0
user''s manual, or any of the
XenSource docs I''ve seen - where did you find it?

Evan


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