Download and extract the attached boot-info script to your home folder. Make it executable, run it (read it first to make sure I'm not a black-hat) and post the output here.
sudo chmod +x boot_info_script055.sh && sudo ./boot_info_script055.sh
Wow - that is quite a script. Here is the output:
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> Grub 2 is installed in the MBR of /dev/sda and looks on the same drive in
partition #6 for /boot/grub.
sda1: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Windows XP
Boot sector info: No errors found in the Boot Parameter Block.
Operating System: Windows XP
Boot files/dirs: /boot.ini /ntldr /NTDETECT.COM
sda2: __________________________________________________ _______________________
File system: Extended Partition
Boot sector type: -
Boot sector info:
sda5: __________________________________________________ _______________________
File system: swap
Boot sector type: -
Boot sector info:
sda6: __________________________________________________ _______________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Ubuntu 10.04 LTS
Boot files/dirs: /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img
=========================== Drive/Partition Info: =============================
Drive: sda ___________________ __________________________________________________ ___
Disk /dev/sda: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders, total 625142448 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start End Size Id System
/dev/sda1 * 63 163,846,934 163,846,872 7 HPFS/NTFS
/dev/sda2 163,848,190 625,141,759 461,293,570 5 Extended
/dev/sda5 609,517,568 625,141,759 15,624,192 82 Linux swap / Solaris
/dev/sda6 163,848,192 609,517,567 445,669,376 83 Linux
blkid -c /dev/null: __________________________________________________ __________
Device UUID TYPE LABEL
/dev/sda1 4294449E94449677 ntfs
/dev/sda2: PTTYPE="dos"
/dev/sda5 f93caf98-78e0-4b3e-821e-6e0a9fa41e28 swap
/dev/sda6 2f689b9c-f305-4a59-bacf-93097abc94e8 ext4
/dev/sda: PTTYPE="dos"
============================ "mount | grep ^/dev output: ===========================
Device Mount_Point Type Options
/dev/sda6 / ext4 (rw,errors=remount-ro)
================================ sda1/boot.ini: ================================
[boot loader]
timeout=2
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOW S
[operating systems]
C:\CMDCONS\BOOTSECT.DAT="Microsoft Windows Recovery Console" /cmdcons
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional" /fastdetect /NoExecute=OptIn
=========================== sda6/boot/grub/grub.cfg: ===========================
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by /usr/sbin/grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
load_env
fi
set default="0"
if [ ${prev_saved_entry} ]; then
set saved_entry=${prev_saved_entry}
save_env saved_entry
set prev_saved_entry=
save_env prev_saved_entry
set boot_once=true
fi
function savedefault {
if [ -z ${boot_once} ]; then
saved_entry=${chosen}
save_env saved_entry
fi
}
function recordfail {
set recordfail=1
if [ -n ${have_grubenv} ]; then if [ -z ${boot_once} ]; then save_env recordfail; fi; fi
}
insmod ext2
set root='(hd0,6)'
search --no-floppy --fs-uuid --set 2f689b9c-f305-4a59-bacf-93097abc94e8
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=640x480
insmod gfxterm
insmod vbe
if terminal_output gfxterm ; then true ; else
# For backward compatibility with versions of terminal.mod that don't
# understand terminal_output
terminal gfxterm
fi
fi
insmod ext2
set root='(hd0,6)'
search --no-floppy --fs-uuid --set 2f689b9c-f305-4a59-bacf-93097abc94e8
set locale_dir=($root)/boot/grub/locale
set lang=en
insmod gettext
if [ ${recordfail} = 1 ]; then
set timeout=-1
else
set timeout=10
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
### END /etc/grub.d/05_debian_theme ###
### BEGIN /etc/grub.d/10_linux ###
menuentry 'Ubuntu, with Linux 2.6.32-23-generic' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod ext2
set root='(hd0,6)'
search --no-floppy --fs-uuid --set 2f689b9c-f305-4a59-bacf-93097abc94e8
linux /boot/vmlinuz-2.6.32-23-generic root=UUID=2f689b9c-f305-4a59-bacf-93097abc94e8 ro quiet splash
initrd /boot/initrd.img-2.6.32-23-generic
}
menuentry 'Ubuntu, with Linux 2.6.32-23-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod ext2
set root='(hd0,6)'
search --no-floppy --fs-uuid --set 2f689b9c-f305-4a59-bacf-93097abc94e8
echo 'Loading Linux 2.6.32-23-generic ...'
linux /boot/vmlinuz-2.6.32-23-generic root=UUID=2f689b9c-f305-4a59-bacf-93097abc94e8 ro single
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-2.6.32-23-generic
}
menuentry 'Ubuntu, with Linux 2.6.32-21-generic' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod ext2
set root='(hd0,6)'
search --no-floppy --fs-uuid --set 2f689b9c-f305-4a59-bacf-93097abc94e8
linux /boot/vmlinuz-2.6.32-21-generic root=UUID=2f689b9c-f305-4a59-bacf-93097abc94e8 ro quiet splash
initrd /boot/initrd.img-2.6.32-21-generic
}
menuentry 'Ubuntu, with Linux 2.6.32-21-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod ext2
set root='(hd0,6)'
search --no-floppy --fs-uuid --set 2f689b9c-f305-4a59-bacf-93097abc94e8
echo 'Loading Linux 2.6.32-21-generic ...'
linux /boot/vmlinuz-2.6.32-21-generic root=UUID=2f689b9c-f305-4a59-bacf-93097abc94e8 ro single
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-2.6.32-21-generic
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+)" {
insmod ext2
set root='(hd0,6)'
search --no-floppy --fs-uuid --set 2f689b9c-f305-4a59-bacf-93097abc94e8
linux16 /boot/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
insmod ext2
set root='(hd0,6)'
search --no-floppy --fs-uuid --set 2f689b9c-f305-4a59-bacf-93097abc94e8
linux16 /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Microsoft Windows XP Professional (on /dev/sda1)" {
insmod ntfs
set root='(hd0,1)'
search --no-floppy --fs-uuid --set 4294449e94449677
drivemap -s (hd0) ${root}
chainloader +1
}
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###
=============================== sda6/etc/fstab: ===============================
# /etc/fstab: static file system information.
#
# Use 'blkid -o value -s UUID' to print the universally unique identifier
# for a device; this may be used with UUID= as a more robust way to name
# devices that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc nodev,noexec,nosuid 0 0
# / was on /dev/sda6 during installation
UUID=2f689b9c-f305-4a59-bacf-93097abc94e8 / ext4 errors=remount-ro 0 1
# swap was on /dev/sda5 during installation
UUID=f93caf98-78e0-4b3e-821e-6e0a9fa41e28 none swap sw 0 0
/dev/scd0 /media/floppy0 auto rw,user,noauto,exec,utf8 0 0
=================== sda6: Location of files loaded by Grub: ===================
142.0GB: boot/grub/core.img
146.5GB: boot/grub/grub.cfg
142.0GB: boot/initrd.img-2.6.32-21-generic
142.1GB: boot/initrd.img-2.6.32-23-generic
118.5GB: boot/vmlinuz-2.6.32-21-generic
142.0GB: boot/vmlinuz-2.6.32-23-generic
142.1GB: initrd.img
142.0GB: initrd.img.old
142.0GB: vmlinuz
118.5GB: vmlinuz.old
ooc - why bother chmod'ing +x?