altruist77
July 29th, 2010, 01:11 AM
Hi,
I am a novice in the use of Ubuntu. I am just trying to get acclimatized with it slowly. My lap top has a single physical hard drive with three partitions.
Partition C: windows 7
Partition D: Ubuntu
Partition E: Data
Yesterday, I booted into Ubuntu and found that there was an update available for Ubuntu 10.4. I was very excited and clicked on the update.
The update was installing and in the process there was a window mentioning about Grub and I just clicked Okay to install.
Later after the update was completed, I restarted the computer. The computer won't boot up. After the preliminary memory check, instead of giving me the boot up screen to chose between windows 7 and Ubuntu, I was presented with a screen and following commands
Error: no such device: 080a3315-8550-40d4-9f88-c814aec24172
grub rescue>:
I was dumbstruck as I have no background training in computers and don't know to play with the command prompt.
After a whole day of searching on the internet for similar cases, I found that most of the similar problems were addressed through a series of command prompt scripts and some choices.
I was unable to choose a right solution as no one mentioned the exact error as above.
I did download bootscript info.
The results.txt was as follows
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 #256 for /boot/grub.
=> No boot loader? is installed in the MBR of /dev/sdb
sda1: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Windows Vista/7
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs: /bootmgr /Boot/BCD /ntldr /NTDETECT.COM
/boot/grub/core.img
sda2: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Windows XP
Boot sector info: No errors found in the Boot Parameter Block.
Operating System: Windows 7
Boot files/dirs: /Windows/System32/winload.exe /wubildr.mbr /wubildr
sda3: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Windows Vista/7
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs: /ubuntu/winboot/wubildr.mbr /ubuntu/winboot/wubildr
/ubuntu/disks/root.disk /ubuntu/disks/swap.disk
sda3/Wubi: __________________________________________________ _______________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Ubuntu 10.04.1 LTS
Boot files/dirs: /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img
sda4: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Windows Vista/7
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs:
sdb1: __________________________________________________ _______________________
File system: vfat
Boot sector type: MSWIN4.1: Fat 32
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs:
=========================== Drive/Partition Info: =============================
Drive: sda ___________________ __________________________________________________ ___
Disk /dev/sda: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders, total 488397168 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0xa76b87b2
Partition Boot Start End Size Id System
/dev/sda1 * 2,048 206,847 204,800 7 HPFS/NTFS
/dev/sda2 206,848 123,852,799 123,645,952 7 HPFS/NTFS
/dev/sda3 123,852,800 226,252,799 102,400,000 7 HPFS/NTFS
/dev/sda4 226,252,800 488,394,751 262,141,952 7 HPFS/NTFS
Drive: sdb ___________________ __________________________________________________ ___
Disk /dev/sdb: 4078 MB, 4078960640 bytes
16 heads, 32 sectors/track, 15560 cylinders, total 7966720 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0x00000000
Partition Boot Start End Size Id System
/dev/sdb1 * 32 7,966,719 7,966,688 c W95 FAT32 (LBA)
blkid -c /dev/null: __________________________________________________ __________
Device UUID TYPE LABEL
/dev/loop0 squashfs
/dev/loop1 080a3315-8550-40d4-9f88-c814aec24172 ext4
/dev/sda1 98BA9834BA98113C ntfs System Reserved
/dev/sda2 18386F06386EE26C ntfs
/dev/sda3 6224446724443FF1 ntfs
/dev/sda4 FA18C24E18C20A19 ntfs
/dev/sdb1 46A8-262C vfat KINGSTON
============================ "mount | grep ^/dev output: ===========================
Device Mount_Point Type Options
aufs / aufs (rw)
/dev/sr0 /cdrom iso9660 (rw)
/dev/loop0 /rofs squashfs (rw)
/dev/sda1 /media/System Reserved fuseblk (rw,nosuid,nodev,allow_other,default_permissions,b lksize=4096)
/dev/sda2 /media/18386F06386EE26C fuseblk (rw,nosuid,nodev,allow_other,default_permissions,b lksize=4096)
/dev/sda4 /media/FA18C24E18C20A19 fuseblk (rw,nosuid,nodev,allow_other,default_permissions,b lksize=4096)
/dev/sdb1 /media/KINGSTON vfat (rw,nosuid,nodev,uhelper=devkit,uid=999,gid=999,sh ortname=mixed,dmask=0077,utf8=1,flush)
=================== sda1: Location of files loaded by Grub: ===================
??GB: boot/grub/core.img
======================== sda3/Wubi/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 ${boot_once} ]; then save_env recordfail; fi; fi
}
insmod ntfs
set root='(hd0,3)'
search --no-floppy --fs-uuid --set 6224446724443ff1
loopback loop0 /ubuntu/disks/root.disk
set root=(loop0)
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=640x480
insmod gfxterm
insmod vbe
if terminal_output gfxterm ; then true ; else
# For backward compatibility with versions of terminal.mod that don't
# understand terminal_output
terminal gfxterm
fi
fi
insmod ntfs
set root='(hd0,3)'
search --no-floppy --fs-uuid --set 6224446724443ff1
loopback loop0 /ubuntu/disks/root.disk
set root=(loop0)
set locale_dir=($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 ###
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/10_lupin ###
menuentry "Ubuntu, Linux 2.6.32-24-generic" {
insmod ntfs
set root='(hd0,3)'
search --no-floppy --fs-uuid --set 6224446724443ff1
loopback loop0 /ubuntu/disks/root.disk
set root=(loop0)
linux /boot/vmlinuz-2.6.32-24-generic root=/dev/sda3 loop=/ubuntu/disks/root.disk ro quiet splash
initrd /boot/initrd.img-2.6.32-24-generic
}
menuentry "Ubuntu, Linux 2.6.32-24-generic (recovery mode)" {
insmod ntfs
set root='(hd0,3)'
search --no-floppy --fs-uuid --set 6224446724443ff1
loopback loop0 /ubuntu/disks/root.disk
set root=(loop0)
linux /boot/vmlinuz-2.6.32-24-generic root=/dev/sda3 loop=/ubuntu/disks/root.disk ro single
initrd /boot/initrd.img-2.6.32-24-generic
}
menuentry "Ubuntu, Linux 2.6.31-17-generic" {
insmod ntfs
set root='(hd0,3)'
search --no-floppy --fs-uuid --set 6224446724443ff1
loopback loop0 /ubuntu/disks/root.disk
set root=(loop0)
linux /boot/vmlinuz-2.6.31-17-generic root=/dev/sda3 loop=/ubuntu/disks/root.disk ro quiet splash
initrd /boot/initrd.img-2.6.31-17-generic
}
menuentry "Ubuntu, Linux 2.6.31-17-generic (recovery mode)" {
insmod ntfs
set root='(hd0,3)'
search --no-floppy --fs-uuid --set 6224446724443ff1
loopback loop0 /ubuntu/disks/root.disk
set root=(loop0)
linux /boot/vmlinuz-2.6.31-17-generic root=/dev/sda3 loop=/ubuntu/disks/root.disk ro single
initrd /boot/initrd.img-2.6.31-17-generic
}
### END /etc/grub.d/10_lupin ###
### BEGIN /etc/grub.d/20_memtest86+ ###
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Windows 7 (loader) (on /dev/sda1)" {
insmod ntfs
set root='(hd0,1)'
search --no-floppy --fs-uuid --set 98ba9834ba98113c
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 ###
============================= sda3/Wubi/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 defaults 0 0
/host/ubuntu/disks/root.disk / ext4 loop,errors=remount-ro 0 1
/host/ubuntu/disks/swap.disk none swap loop,sw 0 0
================= sda3/Wubi: Location of files loaded by Grub: =================
4.1GB: boot/grub/core.img
5.8GB: boot/grub/grub.cfg
.9GB: boot/initrd.img-2.6.31-17-generic
1.4GB: boot/initrd.img-2.6.32-24-generic
2.5GB: boot/vmlinuz-2.6.31-17-generic
1.5GB: boot/vmlinuz-2.6.32-24-generic
1.4GB: initrd.img
.9GB: initrd.img.old
1.5GB: vmlinuz
2.5GB: vmlinuz.old
I request the experienced users and gurus on this forum to please help me restore my computer. This is my work computer and I am really stuck without it. I forgot to back up my data. Also, I don't have the windows 7 installation disc as I misplaced my installation disc.
Thank you
Sincerely
Arul
I am a novice in the use of Ubuntu. I am just trying to get acclimatized with it slowly. My lap top has a single physical hard drive with three partitions.
Partition C: windows 7
Partition D: Ubuntu
Partition E: Data
Yesterday, I booted into Ubuntu and found that there was an update available for Ubuntu 10.4. I was very excited and clicked on the update.
The update was installing and in the process there was a window mentioning about Grub and I just clicked Okay to install.
Later after the update was completed, I restarted the computer. The computer won't boot up. After the preliminary memory check, instead of giving me the boot up screen to chose between windows 7 and Ubuntu, I was presented with a screen and following commands
Error: no such device: 080a3315-8550-40d4-9f88-c814aec24172
grub rescue>:
I was dumbstruck as I have no background training in computers and don't know to play with the command prompt.
After a whole day of searching on the internet for similar cases, I found that most of the similar problems were addressed through a series of command prompt scripts and some choices.
I was unable to choose a right solution as no one mentioned the exact error as above.
I did download bootscript info.
The results.txt was as follows
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 #256 for /boot/grub.
=> No boot loader? is installed in the MBR of /dev/sdb
sda1: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Windows Vista/7
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs: /bootmgr /Boot/BCD /ntldr /NTDETECT.COM
/boot/grub/core.img
sda2: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Windows XP
Boot sector info: No errors found in the Boot Parameter Block.
Operating System: Windows 7
Boot files/dirs: /Windows/System32/winload.exe /wubildr.mbr /wubildr
sda3: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Windows Vista/7
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs: /ubuntu/winboot/wubildr.mbr /ubuntu/winboot/wubildr
/ubuntu/disks/root.disk /ubuntu/disks/swap.disk
sda3/Wubi: __________________________________________________ _______________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Ubuntu 10.04.1 LTS
Boot files/dirs: /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img
sda4: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Windows Vista/7
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs:
sdb1: __________________________________________________ _______________________
File system: vfat
Boot sector type: MSWIN4.1: Fat 32
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs:
=========================== Drive/Partition Info: =============================
Drive: sda ___________________ __________________________________________________ ___
Disk /dev/sda: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders, total 488397168 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0xa76b87b2
Partition Boot Start End Size Id System
/dev/sda1 * 2,048 206,847 204,800 7 HPFS/NTFS
/dev/sda2 206,848 123,852,799 123,645,952 7 HPFS/NTFS
/dev/sda3 123,852,800 226,252,799 102,400,000 7 HPFS/NTFS
/dev/sda4 226,252,800 488,394,751 262,141,952 7 HPFS/NTFS
Drive: sdb ___________________ __________________________________________________ ___
Disk /dev/sdb: 4078 MB, 4078960640 bytes
16 heads, 32 sectors/track, 15560 cylinders, total 7966720 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0x00000000
Partition Boot Start End Size Id System
/dev/sdb1 * 32 7,966,719 7,966,688 c W95 FAT32 (LBA)
blkid -c /dev/null: __________________________________________________ __________
Device UUID TYPE LABEL
/dev/loop0 squashfs
/dev/loop1 080a3315-8550-40d4-9f88-c814aec24172 ext4
/dev/sda1 98BA9834BA98113C ntfs System Reserved
/dev/sda2 18386F06386EE26C ntfs
/dev/sda3 6224446724443FF1 ntfs
/dev/sda4 FA18C24E18C20A19 ntfs
/dev/sdb1 46A8-262C vfat KINGSTON
============================ "mount | grep ^/dev output: ===========================
Device Mount_Point Type Options
aufs / aufs (rw)
/dev/sr0 /cdrom iso9660 (rw)
/dev/loop0 /rofs squashfs (rw)
/dev/sda1 /media/System Reserved fuseblk (rw,nosuid,nodev,allow_other,default_permissions,b lksize=4096)
/dev/sda2 /media/18386F06386EE26C fuseblk (rw,nosuid,nodev,allow_other,default_permissions,b lksize=4096)
/dev/sda4 /media/FA18C24E18C20A19 fuseblk (rw,nosuid,nodev,allow_other,default_permissions,b lksize=4096)
/dev/sdb1 /media/KINGSTON vfat (rw,nosuid,nodev,uhelper=devkit,uid=999,gid=999,sh ortname=mixed,dmask=0077,utf8=1,flush)
=================== sda1: Location of files loaded by Grub: ===================
??GB: boot/grub/core.img
======================== sda3/Wubi/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 ${boot_once} ]; then save_env recordfail; fi; fi
}
insmod ntfs
set root='(hd0,3)'
search --no-floppy --fs-uuid --set 6224446724443ff1
loopback loop0 /ubuntu/disks/root.disk
set root=(loop0)
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=640x480
insmod gfxterm
insmod vbe
if terminal_output gfxterm ; then true ; else
# For backward compatibility with versions of terminal.mod that don't
# understand terminal_output
terminal gfxterm
fi
fi
insmod ntfs
set root='(hd0,3)'
search --no-floppy --fs-uuid --set 6224446724443ff1
loopback loop0 /ubuntu/disks/root.disk
set root=(loop0)
set locale_dir=($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 ###
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/10_lupin ###
menuentry "Ubuntu, Linux 2.6.32-24-generic" {
insmod ntfs
set root='(hd0,3)'
search --no-floppy --fs-uuid --set 6224446724443ff1
loopback loop0 /ubuntu/disks/root.disk
set root=(loop0)
linux /boot/vmlinuz-2.6.32-24-generic root=/dev/sda3 loop=/ubuntu/disks/root.disk ro quiet splash
initrd /boot/initrd.img-2.6.32-24-generic
}
menuentry "Ubuntu, Linux 2.6.32-24-generic (recovery mode)" {
insmod ntfs
set root='(hd0,3)'
search --no-floppy --fs-uuid --set 6224446724443ff1
loopback loop0 /ubuntu/disks/root.disk
set root=(loop0)
linux /boot/vmlinuz-2.6.32-24-generic root=/dev/sda3 loop=/ubuntu/disks/root.disk ro single
initrd /boot/initrd.img-2.6.32-24-generic
}
menuentry "Ubuntu, Linux 2.6.31-17-generic" {
insmod ntfs
set root='(hd0,3)'
search --no-floppy --fs-uuid --set 6224446724443ff1
loopback loop0 /ubuntu/disks/root.disk
set root=(loop0)
linux /boot/vmlinuz-2.6.31-17-generic root=/dev/sda3 loop=/ubuntu/disks/root.disk ro quiet splash
initrd /boot/initrd.img-2.6.31-17-generic
}
menuentry "Ubuntu, Linux 2.6.31-17-generic (recovery mode)" {
insmod ntfs
set root='(hd0,3)'
search --no-floppy --fs-uuid --set 6224446724443ff1
loopback loop0 /ubuntu/disks/root.disk
set root=(loop0)
linux /boot/vmlinuz-2.6.31-17-generic root=/dev/sda3 loop=/ubuntu/disks/root.disk ro single
initrd /boot/initrd.img-2.6.31-17-generic
}
### END /etc/grub.d/10_lupin ###
### BEGIN /etc/grub.d/20_memtest86+ ###
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Windows 7 (loader) (on /dev/sda1)" {
insmod ntfs
set root='(hd0,1)'
search --no-floppy --fs-uuid --set 98ba9834ba98113c
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 ###
============================= sda3/Wubi/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 defaults 0 0
/host/ubuntu/disks/root.disk / ext4 loop,errors=remount-ro 0 1
/host/ubuntu/disks/swap.disk none swap loop,sw 0 0
================= sda3/Wubi: Location of files loaded by Grub: =================
4.1GB: boot/grub/core.img
5.8GB: boot/grub/grub.cfg
.9GB: boot/initrd.img-2.6.31-17-generic
1.4GB: boot/initrd.img-2.6.32-24-generic
2.5GB: boot/vmlinuz-2.6.31-17-generic
1.5GB: boot/vmlinuz-2.6.32-24-generic
1.4GB: initrd.img
.9GB: initrd.img.old
1.5GB: vmlinuz
2.5GB: vmlinuz.old
I request the experienced users and gurus on this forum to please help me restore my computer. This is my work computer and I am really stuck without it. I forgot to back up my data. Also, I don't have the windows 7 installation disc as I misplaced my installation disc.
Thank you
Sincerely
Arul