[PLUG] Ubuntu 8.10 GRUB problem - only shows memtest option

[Mandar Vaze]

>
> grub> root (hd0,5)
> grub> kernel /boot/vmlinuz-2.6.27 <press tab to autocomplete>
> root=/dev/sda6 ro
> grub> initrd /boot/initrd.img-2.6.27 <press tab>
> grub> boot
>

ubuntu at ubuntu:~$ mount | grep sda6
/dev/sda6 on /media/disk type ext3 (rw,nosuid,nodev,uhelper=hal)
ubuntu at ubuntu:~$ ls -l /media/disk/boot
total 10040
-rw-r--r-- 1 root root  507665 2008-10-24 08:29 abi-2.6.27-7-generic
-rw-r--r-- 1 root root   91364 2008-10-24 08:29 config-2.6.27-7-generic
drwxr-xr-x 2 root root    4096 2009-01-07 23:06 grub
-rw-r--r-- 1 root root 8475678 2009-01-07 23:06 initrd.img-2.6.27-7-generic
-rw-r--r-- 1 root root  124152 2008-09-11 20:11 memtest86+.bin
-rw-r--r-- 1 root root 1029585 2008-10-24 08:29 System.map-2.6.27-7-generic
-rw-r--r-- 1 root root    1073 2008-10-24 08:31 vmcoreinfo-2.6.27-7-generic

There are NO /boot/vmlinuz-2.6.27* files :(
Neither on /boot of LiveCD as well (from where I started the installer)

-Mandar