Boot up problem in xen

[Dan Track]

Hi

I installed rhel 3 using a cdrom in the normal way but without
installing the bootloader. The problem is that it won't boot up. Below
is the bootup messages, as you can see it only goes as far as freeing
unused memory, then it stops. Any ideas on this?

xen_blk: Initialising virtual block device driver
xen_net: Initialising virtual ethernet driver.
md: md driver 0.90.1 MAX_MD_DEVS=256, MD_SB_DISKS=27
NET: Registered protocol family 2
IP: routing cache hash table of 256 buckets, 4Kbytes
TCP established hash table entries: 4096 (order: 4, 65536 bytes)
TCP bind hash table entries: 4096 (order: 3, 49152 bytes)
TCP: Hash tables configured (established 4096 bind 4096)
Initializing IPsec netlink socket
NET: Registered protocol family 1
NET: Registered protocol family 17
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
kjournald starting.  Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
VFS: Mounted root (ext3 filesystem) readonly.
Freeing unused kernel memory: 156k freed

Thanks
Dan