HI i have excatly the same problem and i have tried both desktop and server edition of ubuntu 10.4 lts.
Here is the result from the boot info script
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> Grub 2 is installed in the MBR of /dev/sda and looks at sector 2048 of the
same hard drive for core.img, but core.img can not be found at this
location.
=> No boot loader is installed in the MBR of /dev/sdb
=> No boot loader is installed in the MBR of /dev/sdc
sda1: __________________________________________________ _______________________
File system: Bios Boot Partition
Boot sector type: Unknown
Boot sector info:
sda2: __________________________________________________ _______________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Ubuntu 10.04.2 LTS
Boot files/dirs: /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img
sda3: __________________________________________________ _______________________
File system: swap
Boot sector type: -
Boot sector info:
sdc1: __________________________________________________ _______________________
File system:
Boot sector type: -
Boot sector info:
Mounting failed:
mount: unknown filesystem type ''
sdc2: __________________________________________________ _______________________
File system:
Boot sector type: -
Boot sector info:
Mounting failed:
mount: unknown filesystem type ''
mount: unknown filesystem type ''
sdc3: __________________________________________________ _______________________
File system: LVM2_member
Boot sector type: -
Boot sector info:
sdd: __________________________________________________ _______________________
File system: vfat
Boot sector type: Fat32
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs:
=========================== Drive/Partition Info: =============================
Drive: sda ___________________ __________________________________________________ ___
Disk /dev/sda: 2000.4 GB, 2000398934016 bytes
255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 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 1 3,907,029,167 3,907,029,167 ee GPT
GUID Partition Table detected.
Partition Start End Size System
/dev/sda1 2,048 4,095 2,048 Bios Boot Partition
/dev/sda2 4,096 3,887,372,287 3,887,368,192 Linux or Data
/dev/sda3 3,887,372,288 3,907,028,991 19,656,704 Linux Swap
Drive: sdb ___________________ __________________________________________________ ___
Disk /dev/sdb: 2000.4 GB, 2000398934016 bytes
255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start End Size Id System
Invalid MBR Signature found
Drive: sdc ___________________ __________________________________________________ ___
Disk /dev/sdc: 2000.4 GB, 2000398934016 bytes
255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start End Size Id System
/dev/sdc1 1 3,907,029,167 3,907,029,167 ee GPT
GUID Partition Table detected.
Partition Start End Size System
/dev/sdc1 2,048 4,095 2,048 Linux or Data
/dev/sdc2 4,096 503,807 499,712 Linux or Data
/dev/sdc3 503,808 3,907,028,991 3,906,525,184 LVM
blkid -c /dev/null: __________________________________________________ __________
Device UUID TYPE LABEL
/dev/loop0 squashfs
/dev/sda2 1b8e699d-62e8-4fec-b646-add741e37b3e ext4
/dev/sda3 403c2c36-09c0-48ff-ae77-c79e1528a019 swap
/dev/sda: PTTYPE="gpt"
/dev/sdc3 uTo4jG-GfL3-zX0s-MZyd-96EB-l08C-lez563 LVM2_member
/dev/sdc: PTTYPE="gpt"
/dev/sdd 1D0D-2D22 vfat PENDRIVE
============================ "mount | grep ^/dev output: ===========================
Device Mount_Point Type Options
aufs / aufs (rw)
/dev/sdd /cdrom vfat (rw,relatime,fmask=0022,dmask=0022,codepage=cp437, iocharset=iso8859-1,shortname=mixed,errors=remount-ro)
/dev/loop0 /rofs squashfs (ro,noatime)
=========================== sda2/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 ${boot_once} ]; then save_env recordfail; fi; fi
}
insmod ext2
set root='(hd0,2)'
search --no-floppy --fs-uuid --set 1b8e699d-62e8-4fec-b646-add741e37b3e
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=640x480
insmod gfxterm
insmod vbe
if terminal_output gfxterm ; then true ; else
# For backward compatibility with versions of terminal.mod that don't
# understand terminal_output
terminal gfxterm
fi
fi
insmod ext2
set root='(hd0,2)'
search --no-floppy --fs-uuid --set 1b8e699d-62e8-4fec-b646-add741e37b3e
set locale_dir=($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 2.6.32-29-generic-pae' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod ext2
set root='(hd0,2)'
search --no-floppy --fs-uuid --set 1b8e699d-62e8-4fec-b646-add741e37b3e
linux /boot/vmlinuz-2.6.32-29-generic-pae root=UUID=1b8e699d-62e8-4fec-b646-add741e37b3e ro quiet splash
initrd /boot/initrd.img-2.6.32-29-generic-pae
}
menuentry 'Ubuntu, with Linux 2.6.32-29-generic-pae (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod ext2
set root='(hd0,2)'
search --no-floppy --fs-uuid --set 1b8e699d-62e8-4fec-b646-add741e37b3e
echo 'Loading Linux 2.6.32-29-generic-pae ...'
linux /boot/vmlinuz-2.6.32-29-generic-pae root=UUID=1b8e699d-62e8-4fec-b646-add741e37b3e ro single
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-2.6.32-29-generic-pae
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+)" {
insmod ext2
set root='(hd0,2)'
search --no-floppy --fs-uuid --set 1b8e699d-62e8-4fec-b646-add741e37b3e
linux16 /boot/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
insmod ext2
set root='(hd0,2)'
search --no-floppy --fs-uuid --set 1b8e699d-62e8-4fec-b646-add741e37b3e
linux16 /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
if [ ${timeout} != -1 ]; then
if keystatus; then
if keystatus --shift; then
set timeout=-1
else
set timeout=0
fi
else
if sleep --interruptible 3 ; then
set timeout=0
fi
fi
fi
### 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 ###
=============================== sda2/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/sda2 during installation
UUID=1b8e699d-62e8-4fec-b646-add741e37b3e / ext4 errors=remount-ro 0 1
# swap was on /dev/sda3 during installation
UUID=403c2c36-09c0-48ff-ae77-c79e1528a019 none swap sw 0 0
=================== sda2: Location of files loaded by Grub: ===================
1030.9GB: boot/grub/core.img
406.0GB: boot/grub/grub.cfg
1030.9GB: boot/initrd.img-2.6.32-29-generic-pae
1030.9GB: boot/vmlinuz-2.6.32-29-generic-pae
1030.9GB: initrd.img
1030.9GB: vmlinuz
=========================== Unknown MBRs/Boot Sectors/etc =======================
Unknown BootLoader on sda1
00000000 52 e8 28 01 74 08 56 be 33 81 e8 4c 01 5e bf f4 |R.(.t.V.3..L.^..|
00000010 81 66 8b 2d 83 7d 08 00 0f 84 e9 00 80 7c ff 00 |.f.-.}.......|..|
00000020 74 46 66 8b 1d 66 8b 4d 04 66 31 c0 b0 7f 39 45 |tFf..f.M.f1...9E|
00000030 08 7f 03 8b 45 08 29 45 08 66 01 05 66 83 55 04 |....E.)E.f..f.U.|
00000040 00 c7 04 10 00 89 44 02 66 89 5c 08 66 89 4c 0c |......D.f.\.f.L.|
00000050 c7 44 06 00 70 50 c7 44 04 00 00 b4 42 cd 13 0f |.D..pP.D....B...|
00000060 82 bb 00 bb 00 70 eb 68 66 8b 45 04 66 09 c0 0f |.....p.hf.E.f...|
00000070 85 a3 00 66 8b 05 66 31 d2 66 f7 34 88 54 0a 66 |...f..f1.f.4.T.f|
00000080 31 d2 66 f7 74 04 88 54 0b 89 44 0c 3b 44 08 0f |1.f.t..T..D.;D..|
00000090 8d 83 00 8b 04 2a 44 0a 39 45 08 7f 03 8b 45 08 |.....*D.9E....E.|
000000a0 29 45 08 66 01 05 66 83 55 04 00 8a 54 0d c0 e2 |)E.f..f.U...T...|
000000b0 06 8a 4c 0a fe c1 08 d1 8a 6c 0c 5a 52 8a 74 0b |..L......l.ZR.t.|
000000c0 50 bb 00 70 8e c3 31 db b4 02 cd 13 72 50 8c c3 |P..p..1.....rP..|
000000d0 8e 45 0a 58 c1 e0 05 01 45 0a 60 1e c1 e0 03 89 |.E.X....E.`.....|
000000e0 c1 31 ff 31 f6 8e db fc f3 a5 1f e8 3e 00 74 06 |.1.1........>.t.|
000000f0 be 3b 81 e8 63 00 61 83 7d 08 00 0f 85 1d ff 83 |.;..c.a.}.......|
00000100 ef 0c e9 0f ff e8 24 00 74 06 be 3d 81 e8 49 00 |......$.t..=..I.|
00000110 5a ea 00 82 00 00 be 40 81 e8 3d 00 eb 06 be 45 |Z......@..=....E|
00000120 81 e8 35 00 be 4a 81 e8 2f 00 eb fe bb 17 04 80 |..5..J../.......|
00000130 27 03 c3 6c 6f 61 64 69 6e 67 00 2e 00 0d 0a 00 |'..loading......|
00000140 47 65 6f 6d 00 52 65 61 64 00 20 45 72 72 6f 72 |Geom.Read. Error|
00000150 00 bb 01 00 b4 0e cd 10 46 8a 04 3c 00 75 f2 c3 |........F..<.u..|
00000160 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
000001f0 00 00 00 00 01 08 00 00 00 00 00 00 2f 00 20 08 |............/. .|
00000200