Kernel panic - while bootup

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Kernel panic - while bootup

While starting my virtual machines from domain 0 , the virtual machine startup hangs ..
I use LVM for my disks .

Here is my configuration
OS : FC4

[root@rveerach-linux2 ~]# cat /etc/xen/xen1
kernel = "/boot/vmlinuz-2.6.11-1.1369_FC4xen0"
memory = 128
name = "rveerach-xen3"
disk = [ 'phy:rveerach/root_xen1,sda1,w' , 'phy:rveerach/swap_xen1,sda2,w' , 'phy:rveerach/xenusr,sda3,w' ]
hostname = 'rveerach-xen3'
root = "/dev/sda1 ro"
extra = "4"
[root@rveerach-linux2 ~]#

[root@rveerach-linux2 ~]# /usr/sbin/xm create -c xen1
Using config file "/etc/xen/xen1".
Started domain rveerach-xen3, console on port 9604
************ REMOTE CONSOLE: CTRL-] TO QUIT ********
Linux version 2.6.11-1.1369_FC4xen0 ([hidden email]) (gcc version 4.0.0 20050525 (Red Hat 4.0.0-9)) #1 SMP Thu Jun 2 23:21:44 EDT 2005BIOS-provided physical RAM map:
 Xen: 0000000000000000 - 0000000008000000 (usable)
128MB LOWMEM available.
Using x86 segment limits to approximate NX protection
DMI not present.
IRQ lockup detection disabled
Allocating PCI resources starting at 08000000 (gap: 08000000:f8000000)
Built 1 zonelists
Kernel command line:  root=/dev/sda1 ro 4
Initializing CPU#0
PID hash table entries: 1024 (order: 10, 16384 bytes)
Xen reported: 2793.246 MHz processor.
Using tsc for high-res timesource
usbcore: registered new driver usbfs
usbcore: registered new driver hub
PCI: Probing PCI hardware
PCI: Probing PCI hardware
PCI: Probing PCI hardware (bus 00)
Grant table initialized
IA-32 Microcode Update Driver: v1.14-xen <[hidden email]>
audit: initializing netlink socket (disabled)
audit(1119442169.091:1): initialized
Total HugeTLB memory allocated, 0
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
SELinux:  Registering netfilter hooks
Initializing Cryptographic API
ksign: Installing public key data
Loading keyring
- Added public key 42BD35A990375F72
- User ID: Red Hat, Inc. (Kernel Module GPG key)
vesafb: abort, cannot reserve video memory at 0x0
vesafb: abort, cannot ioremap video memory 0x0 @ 0x0
Trying to free nonexistent resource <00000000-ffffffff>
vesafb: probe of vesafb.0 failed with error -5
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Failed to obtain physical IRQ 8
Real Time Clock Driver v1.12
Linux agpgart interface v0.101 (c) Dave Jones
PNP: No PS/2 controller found. Probing ports directly.
i8042.c: No controller found.
Unable to handle kernel NULL pointer dereference at virtual address 00000078
 printing eip:
*pde = ma 00000000 pa 55555000

-- end --

Please help ..

- ramesh
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