Ok , some good news for me, the computer started this morning ???
I am sure I tried several times after the upgrade and it was shutting down after the grub screen.
Anyway, I post here the bootscript result in case somebody find something strange.
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> Grub 2 is installed in the MBR of /dev/sda and looks for b2d.
sda1: __________________________________________________ _______________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Ubuntu 11.04
Boot files/dirs: /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img
sda2: __________________________________________________ _______________________
File system: Extended Partition
Boot sector type: -
Boot sector info:
sda5: __________________________________________________ _______________________
File system: swap
Boot sector type: -
Boot sector info:
=========================== Drive/Partition Info: =============================
Drive: sda ___________________ __________________________________________________ ___
Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders, total 312581808 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 * 2,048 299,808,767 299,806,720 83 Linux
/dev/sda2 299,810,814 312,580,095 12,769,282 5 Extended
/dev/sda5 299,810,816 312,580,095 12,769,280 82 Linux swap / Solaris
blkid -c /dev/null: __________________________________________________ __________
Device UUID TYPE LABEL
/dev/sda1 0d4aa058-216d-4535-80c9-305a83ae2ff1 ext4
/dev/sda2: PTTYPE="dos"
/dev/sda5 82111733-3d7a-44c6-8275-446001c69c9a swap
/dev/sda: PTTYPE="dos"
============================ "mount | grep ^/dev output: ===========================
Device Mount_Point Type Options
/dev/sda1 / ext4 (rw,errors=remount-ro,commit=600)
=========================== sda1/boot/grub/grub.cfg: ===========================
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
set have_grubenv=true
load_env
fi
set default="0"
if [ "${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 "${boot_once}" ]; then save_env recordfail; fi; fi
}
function load_video {
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
}
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos1)'
search --no-floppy --fs-uuid --set=root 0d4aa058-216d-4535-80c9-305a83ae2ff1
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=auto
load_video
insmod gfxterm
fi
terminal_output gfxterm
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos1)'
search --no-floppy --fs-uuid --set=root 0d4aa058-216d-4535-80c9-305a83ae2ff1
set locale_dir=($root)/boot/grub/locale
set lang=en_US
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
if background_color 44,0,30; then
clear
fi
### END /etc/grub.d/05_debian_theme ###
### BEGIN /etc/grub.d/10_linux ###
if [ ${recordfail} != 1 ]; then
if [ -e ${prefix}/gfxblacklist.txt ]; then
if hwmatch ${prefix}/gfxblacklist.txt 3; then
if [ ${match} = 0 ]; then
set linux_gfx_mode=keep
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=keep
fi
else
set linux_gfx_mode=text
fi
export linux_gfx_mode
if [ "$linux_gfx_mode" != "text" ]; then load_video; fi
menuentry 'Ubuntu, with Linux 2.6.38-8-generic' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
set gfxpayload=$linux_gfx_mode
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos1)'
search --no-floppy --fs-uuid --set=root 0d4aa058-216d-4535-80c9-305a83ae2ff1
linux /boot/vmlinuz-2.6.38-8-generic root=UUID=0d4aa058-216d-4535-80c9-305a83ae2ff1 ro quiet splash vt.handoff=7
initrd /boot/initrd.img-2.6.38-8-generic
}
menuentry 'Ubuntu, with Linux 2.6.38-8-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
set gfxpayload=$linux_gfx_mode
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos1)'
search --no-floppy --fs-uuid --set=root 0d4aa058-216d-4535-80c9-305a83ae2ff1
echo 'Loading Linux 2.6.38-8-generic ...'
linux /boot/vmlinuz-2.6.38-8-generic root=UUID=0d4aa058-216d-4535-80c9-305a83ae2ff1 ro single
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-2.6.38-8-generic
}
submenu "Previous Linux versions" {
menuentry 'Ubuntu, with Linux 2.6.35-28-generic' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
set gfxpayload=$linux_gfx_mode
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos1)'
search --no-floppy --fs-uuid --set=root 0d4aa058-216d-4535-80c9-305a83ae2ff1
linux /boot/vmlinuz-2.6.35-28-generic root=UUID=0d4aa058-216d-4535-80c9-305a83ae2ff1 ro quiet splash vt.handoff=7
initrd /boot/initrd.img-2.6.35-28-generic
}
menuentry 'Ubuntu, with Linux 2.6.35-28-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
set gfxpayload=$linux_gfx_mode
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos1)'
search --no-floppy --fs-uuid --set=root 0d4aa058-216d-4535-80c9-305a83ae2ff1
echo 'Loading Linux 2.6.35-28-generic ...'
linux /boot/vmlinuz-2.6.35-28-generic root=UUID=0d4aa058-216d-4535-80c9-305a83ae2ff1 ro single
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-2.6.35-28-generic
}
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+)" {
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos1)'
search --no-floppy --fs-uuid --set=root 0d4aa058-216d-4535-80c9-305a83ae2ff1
linux16 /boot/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos1)'
search --no-floppy --fs-uuid --set=root 0d4aa058-216d-4535-80c9-305a83ae2ff1
linux16 /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
if [ "x${timeout}" != "x-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 ###
### BEGIN /etc/grub.d/41_custom ###
if [ -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
=============================== sda1/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/sda1 during installation
UUID=0d4aa058-216d-4535-80c9-305a83ae2ff1 / ext4 errors=remount-ro 0 1
# swap was on /dev/sda5 during installation
UUID=82111733-3d7a-44c6-8275-446001c69c9a none swap sw 0 0
=================== sda1: Location of files loaded by Grub: ===================
19.4GB: boot/grub/core.img
55.0GB: boot/grub/grub.cfg
70.4GB: boot/initrd.img-2.6.35-28-generic
2.1GB: boot/initrd.img-2.6.38-8-generic
70.3GB: boot/vmlinuz-2.6.35-28-generic
59.7GB: boot/vmlinuz-2.6.38-8-generic
2.1GB: initrd.img
70.4GB: initrd.img.old
59.7GB: vmlinuz
70.3GB: vmlinuz.old
=============================== StdErr Messages: ===============================
No volume groups found