Sunarien
July 2nd, 2012, 03:44 PM
Hello all,
I recently installed Ubuntu 12.04 alongside Windows 7 (not Wubi, regular install). The problem is that the computer always boots into Windows 7, grub doesn't appear and so there's no possibility of starting Ubuntu.
I've got two hard disks, one of which is an SSD which has both OS on it. I don't think that grub was installed to the HDD as it doesn't boot even when I change the boot order.
I ran the boot info script, here's what I got:
Boot Info Script 0.61 [1 April 2012]
============================= Boot Info Summary: ===============================
=> Windows is installed in the MBR of /dev/sda.
=> Windows is installed in the MBR of /dev/sdb.
sda1: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows Vista/7: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files:
sda2: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows Vista/7: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files:
sdb1: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows Vista/7: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files: /bootmgr /Boot/BCD
sdb2: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows Vista/7: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System: Windows 7
Boot files: /Windows/System32/winload.exe
sdb3: __________________________________________________ ________________________
File system: Extended Partition
Boot sector type: -
Boot sector info:
sdb5: __________________________________________________ ________________________
File system: ext4
Boot sector type: Grub2 (v1.99)
Boot sector info: Grub2 (v1.99) is installed in the boot sector of sdb5
and looks at sector 193964112 of the same hard drive
for core.img. core.img is at this location and looks
for (,msdos5)/boot/grub on this drive.
Operating System: Ubuntu 12.04 LTS
Boot files: /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img
sdb6: __________________________________________________ ________________________
File system: swap
Boot sector type: -
Boot sector info:
============================ Drive/Partition Info: =============================
Drive: sda __________________________________________________ ___________________
Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start Sector End Sector # of Sectors Id System
/dev/sda1 2,048 471,042,047 471,040,000 7 NTFS / exFAT / HPFS
/dev/sda2 471,042,048 1,495,042,047 1,024,000,000 7 NTFS / exFAT / HPFS
Drive: sdb __________________________________________________ ___________________
Disk /dev/sdb: 128.0 GB, 128035676160 bytes
255 heads, 63 sectors/track, 15566 cylinders, total 250069680 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start Sector End Sector # of Sectors Id System
/dev/sdb1 * 2,048 206,847 204,800 7 NTFS / exFAT / HPFS
/dev/sdb2 206,848 163,839,999 163,633,152 7 NTFS / exFAT / HPFS
/dev/sdb3 163,842,046 250,068,991 86,226,946 5 Extended
/dev/sdb5 163,842,048 233,506,815 69,664,768 83 Linux
/dev/sdb6 233,508,864 250,068,991 16,560,128 82 Linux swap / Solaris
"blkid" output: __________________________________________________ ______________
Device UUID TYPE LABEL
/dev/loop0 squashfs
/dev/sda1 6E7226B172267E49 ntfs Programme
/dev/sda2 46662CB3662CA5A1 ntfs Daten
/dev/sdb1 88067B29067B1800 ntfs System-reserviert
/dev/sdb2 8E1E9F231E9F037F ntfs
/dev/sdb5 2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3 ext4
/dev/sdb6 5f9b74e8-71f4-4fbd-9e81-fc84a696fa81 swap
/dev/sr0 iso9660 Ubuntu 12.04 LTS amd64
================================ Mount points: =================================
Device Mount_Point Type Options
/dev/loop0 /rofs squashfs (ro,noatime)
/dev/sr0 /cdrom iso9660 (ro,noatime)
=========================== sdb5/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 "${boot_once}" ]; then save_env recordfail; fi; fi
}
function load_video {
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
}
insmod part_msdos
insmod ext2
set root='(hd1,msdos5)'
search --no-floppy --fs-uuid --set=root 2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=auto
load_video
insmod gfxterm
insmod part_msdos
insmod ext2
set root='(hd1,msdos5)'
search --no-floppy --fs-uuid --set=root 2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3
set locale_dir=($root)/boot/grub/locale
set lang=en_US
insmod gettext
fi
terminal_output gfxterm
if [ "${recordfail}" = 1 ]; then
set timeout=-1
else
set timeout=10
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
if background_color 44,0,30; then
clear
fi
### END /etc/grub.d/05_debian_theme ###
### BEGIN /etc/grub.d/10_linux ###
function gfxmode {
set gfxpayload="${1}"
if [ "${1}" = "keep" ]; then
set vt_handoff=vt.handoff=7
else
set vt_handoff=
fi
}
if [ "${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 3.2.0-23-generic' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
gfxmode $linux_gfx_mode
insmod gzio
insmod part_msdos
insmod ext2
set root='(hd1,msdos5)'
search --no-floppy --fs-uuid --set=root 2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3
linux /boot/vmlinuz-3.2.0-23-generic root=UUID=2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3 ro quiet splash $vt_handoff
initrd /boot/initrd.img-3.2.0-23-generic
}
menuentry 'Ubuntu, with Linux 3.2.0-23-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod gzio
insmod part_msdos
insmod ext2
set root='(hd1,msdos5)'
search --no-floppy --fs-uuid --set=root 2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3
echo 'Loading Linux 3.2.0-23-generic ...'
linux /boot/vmlinuz-3.2.0-23-generic root=UUID=2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3 ro recovery nomodeset
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.2.0-23-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='(hd1,msdos5)'
search --no-floppy --fs-uuid --set=root 2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3
linux16 /boot/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
insmod part_msdos
insmod ext2
set root='(hd1,msdos5)'
search --no-floppy --fs-uuid --set=root 2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3
linux16 /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Windows 7 (loader) (on /dev/sdb1)" --class windows --class os {
insmod part_msdos
insmod ntfs
set root='(hd1,msdos1)'
search --no-floppy --fs-uuid --set=root 88067B29067B1800
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 ###
### BEGIN /etc/grub.d/41_custom ###
if [ -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
--------------------------------------------------------------------------------
=============================== sdb5/etc/fstab: ================================
--------------------------------------------------------------------------------
# /etc/fstab: static file system information.
#
# Use 'blkid' 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/sdb5 during installation
UUID=2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3 / ext4 errors=remount-ro 0 1
# swap was on /dev/sdb6 during installation
UUID=5f9b74e8-71f4-4fbd-9e81-fc84a696fa81 none swap sw 0 0
--------------------------------------------------------------------------------
=================== sdb5: Location of files loaded by Grub: ====================
GiB - GB File Fragment(s)
= boot/grub/core.img 1
= boot/grub/grub.cfg 1
= boot/initrd.img-3.2.0-23-generic 1
= boot/vmlinuz-3.2.0-23-generic 1
= initrd.img 1
= vmlinuz 1
=============================== StdErr Messages: ===============================
xz: (stdin): Compressed data is corrupt
awk: cmd. line:36: Math support is not compiled in
awk: cmd. line:36: Math support is not compiled in
awk: cmd. line:36: Math support is not compiled in
awk: cmd. line:36: Math support is not compiled in
awk: cmd. line:36: Math support is not compiled in
awk: cmd. line:36: Math support is not compiled in
Can you please point me at what I need to do in order to be able to boot Ubuntu?
Thanks, Sunarien
I recently installed Ubuntu 12.04 alongside Windows 7 (not Wubi, regular install). The problem is that the computer always boots into Windows 7, grub doesn't appear and so there's no possibility of starting Ubuntu.
I've got two hard disks, one of which is an SSD which has both OS on it. I don't think that grub was installed to the HDD as it doesn't boot even when I change the boot order.
I ran the boot info script, here's what I got:
Boot Info Script 0.61 [1 April 2012]
============================= Boot Info Summary: ===============================
=> Windows is installed in the MBR of /dev/sda.
=> Windows is installed in the MBR of /dev/sdb.
sda1: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows Vista/7: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files:
sda2: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows Vista/7: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files:
sdb1: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows Vista/7: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files: /bootmgr /Boot/BCD
sdb2: __________________________________________________ ________________________
File system: ntfs
Boot sector type: Windows Vista/7: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System: Windows 7
Boot files: /Windows/System32/winload.exe
sdb3: __________________________________________________ ________________________
File system: Extended Partition
Boot sector type: -
Boot sector info:
sdb5: __________________________________________________ ________________________
File system: ext4
Boot sector type: Grub2 (v1.99)
Boot sector info: Grub2 (v1.99) is installed in the boot sector of sdb5
and looks at sector 193964112 of the same hard drive
for core.img. core.img is at this location and looks
for (,msdos5)/boot/grub on this drive.
Operating System: Ubuntu 12.04 LTS
Boot files: /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img
sdb6: __________________________________________________ ________________________
File system: swap
Boot sector type: -
Boot sector info:
============================ Drive/Partition Info: =============================
Drive: sda __________________________________________________ ___________________
Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start Sector End Sector # of Sectors Id System
/dev/sda1 2,048 471,042,047 471,040,000 7 NTFS / exFAT / HPFS
/dev/sda2 471,042,048 1,495,042,047 1,024,000,000 7 NTFS / exFAT / HPFS
Drive: sdb __________________________________________________ ___________________
Disk /dev/sdb: 128.0 GB, 128035676160 bytes
255 heads, 63 sectors/track, 15566 cylinders, total 250069680 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start Sector End Sector # of Sectors Id System
/dev/sdb1 * 2,048 206,847 204,800 7 NTFS / exFAT / HPFS
/dev/sdb2 206,848 163,839,999 163,633,152 7 NTFS / exFAT / HPFS
/dev/sdb3 163,842,046 250,068,991 86,226,946 5 Extended
/dev/sdb5 163,842,048 233,506,815 69,664,768 83 Linux
/dev/sdb6 233,508,864 250,068,991 16,560,128 82 Linux swap / Solaris
"blkid" output: __________________________________________________ ______________
Device UUID TYPE LABEL
/dev/loop0 squashfs
/dev/sda1 6E7226B172267E49 ntfs Programme
/dev/sda2 46662CB3662CA5A1 ntfs Daten
/dev/sdb1 88067B29067B1800 ntfs System-reserviert
/dev/sdb2 8E1E9F231E9F037F ntfs
/dev/sdb5 2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3 ext4
/dev/sdb6 5f9b74e8-71f4-4fbd-9e81-fc84a696fa81 swap
/dev/sr0 iso9660 Ubuntu 12.04 LTS amd64
================================ Mount points: =================================
Device Mount_Point Type Options
/dev/loop0 /rofs squashfs (ro,noatime)
/dev/sr0 /cdrom iso9660 (ro,noatime)
=========================== sdb5/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 "${boot_once}" ]; then save_env recordfail; fi; fi
}
function load_video {
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
}
insmod part_msdos
insmod ext2
set root='(hd1,msdos5)'
search --no-floppy --fs-uuid --set=root 2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=auto
load_video
insmod gfxterm
insmod part_msdos
insmod ext2
set root='(hd1,msdos5)'
search --no-floppy --fs-uuid --set=root 2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3
set locale_dir=($root)/boot/grub/locale
set lang=en_US
insmod gettext
fi
terminal_output gfxterm
if [ "${recordfail}" = 1 ]; then
set timeout=-1
else
set timeout=10
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
if background_color 44,0,30; then
clear
fi
### END /etc/grub.d/05_debian_theme ###
### BEGIN /etc/grub.d/10_linux ###
function gfxmode {
set gfxpayload="${1}"
if [ "${1}" = "keep" ]; then
set vt_handoff=vt.handoff=7
else
set vt_handoff=
fi
}
if [ "${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 3.2.0-23-generic' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
gfxmode $linux_gfx_mode
insmod gzio
insmod part_msdos
insmod ext2
set root='(hd1,msdos5)'
search --no-floppy --fs-uuid --set=root 2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3
linux /boot/vmlinuz-3.2.0-23-generic root=UUID=2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3 ro quiet splash $vt_handoff
initrd /boot/initrd.img-3.2.0-23-generic
}
menuentry 'Ubuntu, with Linux 3.2.0-23-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod gzio
insmod part_msdos
insmod ext2
set root='(hd1,msdos5)'
search --no-floppy --fs-uuid --set=root 2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3
echo 'Loading Linux 3.2.0-23-generic ...'
linux /boot/vmlinuz-3.2.0-23-generic root=UUID=2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3 ro recovery nomodeset
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.2.0-23-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='(hd1,msdos5)'
search --no-floppy --fs-uuid --set=root 2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3
linux16 /boot/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
insmod part_msdos
insmod ext2
set root='(hd1,msdos5)'
search --no-floppy --fs-uuid --set=root 2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3
linux16 /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Windows 7 (loader) (on /dev/sdb1)" --class windows --class os {
insmod part_msdos
insmod ntfs
set root='(hd1,msdos1)'
search --no-floppy --fs-uuid --set=root 88067B29067B1800
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 ###
### BEGIN /etc/grub.d/41_custom ###
if [ -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
--------------------------------------------------------------------------------
=============================== sdb5/etc/fstab: ================================
--------------------------------------------------------------------------------
# /etc/fstab: static file system information.
#
# Use 'blkid' 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/sdb5 during installation
UUID=2a9ebed6-8eca-4f26-a8d3-ba4ae58ff2e3 / ext4 errors=remount-ro 0 1
# swap was on /dev/sdb6 during installation
UUID=5f9b74e8-71f4-4fbd-9e81-fc84a696fa81 none swap sw 0 0
--------------------------------------------------------------------------------
=================== sdb5: Location of files loaded by Grub: ====================
GiB - GB File Fragment(s)
= boot/grub/core.img 1
= boot/grub/grub.cfg 1
= boot/initrd.img-3.2.0-23-generic 1
= boot/vmlinuz-3.2.0-23-generic 1
= initrd.img 1
= vmlinuz 1
=============================== StdErr Messages: ===============================
xz: (stdin): Compressed data is corrupt
awk: cmd. line:36: Math support is not compiled in
awk: cmd. line:36: Math support is not compiled in
awk: cmd. line:36: Math support is not compiled in
awk: cmd. line:36: Math support is not compiled in
awk: cmd. line:36: Math support is not compiled in
awk: cmd. line:36: Math support is not compiled in
Can you please point me at what I need to do in order to be able to boot Ubuntu?
Thanks, Sunarien