[ubuntu-users] Double Trouble with GRUB
Ted Hilts
thilts at mcsnet.ca
Mon Aug 24 22:21:44 UTC 2009
Please retain the square brackets because I get a lot of email and won't
find your reply if you don't include the square brackets as in
[ubuntu-users].
I have had problems booting up. I thought I only had one problem -- the
power supply. But now I am convinced there are 2 separate and unrelated
problems. The second problem is GRUB and it is that problem I want to
concentrate on. The bottom line is as follows: The computer is dual
core and is set up with dual boot. The two dual boot systems are XP and
Ubuntu and I rarely use the XP machine. There are several hard drives
that are NTFS format, one hard drive I reformatted as EXT3 and one that
has 3 partitions one of which is formatted as EXT3 and is used as the
Ubuntu Linux "/" root system.. When I installed Ubuntu, GRUB was also
installed and configured. I looked at GRUB (attached below) and
expected to see a reference to a "sd" type hard drive (all the hard
drives are "sdxx" and you can see this by looking at the System Monitor
and the Mount command as well as the "fstab" file. Copies of all 3 are
attached but the System Monitor is a screen picture and I also included
a type "xcf" file which you can view with "gimp".
I don't want to mess Ubuntu up because most of the time it boots up to
"/" (root system) and does not complain. When it does not boot up
properly it seems to be trying to boot on "hda". Ubuntu seems to be
booting from the "fstab" file definitions and not from GRUB. I cannot
figure any other explanation as there do not seem to be any references
in GRUB.which reference "sd" hard drives..
Hope someone knowledgeable about GRUB can explain this behavior and tell
me what needs to be changed in GRUB so that GRUB is doing what it
should be doing..
Sorry for all the detail but I think it is necessary if someone wants to
help me on this problem.
Thanks - Ted Hilts
File System and Boot descriptions
ted at Ubuntu:~$ mount
/dev/sde3 on / type ext3 (rw,errors=remount-ro)
proc on /proc type proc (rw,noexec,nosuid,nodev)
/sys on /sys type sysfs (rw,noexec,nosuid,nodev)
varrun on /var/run type tmpfs (rw,noexec,nosuid,nodev,mode=0755)
varlock on /var/lock type tmpfs (rw,noexec,nosuid,nodev,mode=1777)
udev on /dev type tmpfs (rw,mode=0755)
devshm on /dev/shm type tmpfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
lrm on /lib/modules/2.6.24-24-rt/volatile type tmpfs (rw)
/dev/sde1 on /media/sda1 type vfat (rw,utf8,umask=007,gid=46)
/dev/sde2 on /media/sda2 type fuseblk
(rw,nosuid,nodev,noatime,allow_other,default_permissions,blksize=4096)
/dev/sdf1 on /media/sdb1 type fuseblk
(rw,nosuid,nodev,noatime,allow_other,default_permissions,blksize=4096)
/dev/sdg1 on /media/sdc1 type ext3 (rw,errors=remount-ro)
/dev/sda1 on /media/sdd1 type fuseblk
(rw,nosuid,nodev,noatime,allow_other,default_permissions,blksize=4096)
/dev/sdb1 on /media/sde1 type fuseblk
(rw,nosuid,nodev,noatime,allow_other,default_permissions,blksize=4096)
/dev/sdc1 on /media/sdf1 type fuseblk
(rw,nosuid,nodev,noatime,allow_other,default_permissions,blksize=4096)
/dev/sdd1 on /media/sdg1 type fuseblk
(rw,nosuid,nodev,noatime,allow_other,default_permissions,blksize=4096)
securityfs on /sys/kernel/security type securityfs (rw)
capifs on /dev/capi type capifs (rw,mode=0666)
nfsd on /proc/fs/nfsd type nfsd (rw)
ted at Ubuntu:~$ ls -l /etc/fstab
-rw-r--r-- 1 root root 1458 2009-04-04 19:55 /etc/fstab
ted at Ubuntu:~$ cat /etc/fstab
# /etc/fstab: static file system information.
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
# /dev/sda3
UUID=c8f92b8f-2f46-4500-929b-ccf369500593 / ext3
defaults,errors=remount-ro 0 1
# /dev/sda1
UUID=2ED6-1123 /media/sda1 vfat defaults,utf8,umask=007,gid=46
0 1
# /dev/sda2
UUID=58BCBB80BCBB56EA /media/sda2 ntfs defaults,umask=007,gid=46
0 1
# /dev/sdb1
UUID=E83698FB3698CC46 /media/sdb1 ntfs defaults,umask=007,gid=46
0 1
# /dev/sdc1
#UUID=581CE03A1CE01532 /media/sdc1 ext3
defaults,errors=remount-ro 0 1
/dev/sdg1 /media/sdc1 ext3 defaults,errors=remount-ro 0 1
# /dev/sdd1
UUID=2018EC4E18EC248E /media/sdd1 ntfs defaults,umask=007,gid=46
0 1
# /dev/sde1
UUID=3698FF2798FEE3F1 /media/sde1 ntfs defaults,umask=007,gid=46
0 1
#UUID=3698FF2798FEE3F1 /media/sde1 ntfs
defaults,gid=ted,uid=ted,umask=007 0 1
# /dev/sdf1
UUID=8868FAEC68FAD7C0 /media/sdf1 ntfs defaults,umask=007,gid=46
0 1
# /dev/sdg1
UUID=D02C35002C34E360 /media/sdg1 ntfs defaults,umask=007,gid=46
0 1
# /dev/sda4
UUID=891e4299-a126-4f0a-9b2c-b772bb91a47c none swap
sw 0 0
/dev/scd0 /media/cdrom0 udf,iso9660 user,noauto,exec 0 0
/dev/fd0 /media/floppy0 auto rw,user,noauto,exec 0 0
ted at Ubuntu:~$
ted at Ubuntu:~$ cat /boot/grub/menu.lst
# menu.lst - See: grub(8), info grub, update-grub(8)
# grub-install(8), grub-floppy(8),
# grub-md5-crypt, /usr/share/doc/grub
# and /usr/share/doc/grub-doc/.
## default num
# Set the default entry to the entry number NUM. Numbering starts from
0, and
# the entry number 0 is the default if the command is not used.
#
# You can specify 'saved' instead of a number. In this case, the default
entry
# is the entry saved with the command 'savedefault'.
# WARNING: If you are using dmraid do not use 'savedefault' or your
# array will desync and will not let you boot your system.
default 0
## timeout sec
# Set a timeout, in SEC seconds, before automatically booting the
default entry
# (normally the first entry defined).
timeout 10
## hiddenmenu
# Hides the menu by default (press ESC to see the menu)
#hiddenmenu
# Pretty colours
#color cyan/blue white/blue
## password ['--md5'] passwd
# If used in the first section of a menu file, disable all interactive
editing
# control (menu entry editor and command-line) and entries protected by the
# command 'lock'
# e.g. password topsecret
# password --md5 $1$gLhU0/$aW78kHK1QfV3P2b2znUoe/
# password topsecret
#
# examples
#
# title Windows 95/98/NT/2000
# root (hd0,0)
# makeactive
# chainloader +1
#
# title Linux
# root (hd0,1)
# kernel /vmlinuz root=/dev/hda2 ro
#
#
# Put static boot stanzas before and/or after AUTOMAGIC KERNEL LIST
### BEGIN AUTOMAGIC KERNELS LIST
## lines between the AUTOMAGIC KERNELS LIST markers will be modified
## by the debian update-grub script except for the default options below
## DO NOT UNCOMMENT THEM, Just edit them to your needs
## ## Start Default Options ##
## default kernel options
## default kernel options for automagic boot options
## If you want special options for specific kernels use kopt_x_y_z
## where x.y.z is kernel version. Minor versions can be omitted.
## e.g. kopt=root=/dev/hda1 ro
## kopt_2_6_8=root=/dev/hdc1 ro
## kopt_2_6_8_2_686=root=/dev/hdc2 ro
# kopt=root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro
## Setup crashdump menu entries
## e.g. crashdump=1
# crashdump=0
## default grub root device
## e.g. groot=(hd0,0)
# groot=(hd0,2)
## should update-grub create alternative automagic boot options
## e.g. alternative=true
## alternative=false
# alternative=true
## should update-grub lock alternative automagic boot options
## e.g. lockalternative=true
## lockalternative=false
# lockalternative=false
## additional options to use with the default boot option, but not with the
## alternatives
## e.g. defoptions=vga=791 resume=/dev/hda5
# defoptions=quiet splash
## should update-grub lock old automagic boot options
## e.g. lockold=false
## lockold=true
# lockold=false
## Xen hypervisor options to use with the default Xen boot option
# xenhopt=
## Xen Linux kernel options to use with the default Xen boot option
# xenkopt=console=tty0
## altoption boot targets option
## multiple altoptions lines are allowed
## e.g. altoptions=(extra menu suffix) extra boot options
## altoptions=(recovery) single
# altoptions=(recovery mode) single
## controls how many kernels should be put into the menu.lst
## only counts the first occurence of a kernel, not the
## alternative kernel options
## e.g. howmany=all
## howmany=7
# howmany=all
## should update-grub create memtest86 boot option
## e.g. memtest86=true
## memtest86=false
# memtest86=true
## should update-grub adjust the value of the default booted system
## can be true or false
# updatedefaultentry=false
## should update-grub add savedefault to the default options
## can be true or false
# savedefault=false
## ## End Default Options ##
title Ubuntu 8.04, kernel 2.6.24-24-rt
root (hd0,2)
kernel /boot/vmlinuz-2.6.24-24-rt
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro quiet splash
initrd /boot/initrd.img-2.6.24-24-rt
quiet
title Ubuntu 8.04, kernel 2.6.24-24-rt (recovery mode)
root (hd0,2)
kernel /boot/vmlinuz-2.6.24-24-rt
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro single
initrd /boot/initrd.img-2.6.24-24-rt
title Ubuntu 8.04, kernel 2.6.24-24-generic
root (hd0,2)
kernel /boot/vmlinuz-2.6.24-24-generic
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro quiet splash
initrd /boot/initrd.img-2.6.24-24-generic
quiet
title Ubuntu 8.04, kernel 2.6.24-24-generic (recovery mode)
root (hd0,2)
kernel /boot/vmlinuz-2.6.24-24-generic
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro single
initrd /boot/initrd.img-2.6.24-24-generic
title Ubuntu 8.04, kernel 2.6.24-23-rt
root (hd0,2)
kernel /boot/vmlinuz-2.6.24-23-rt
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro quiet splash
initrd /boot/initrd.img-2.6.24-23-rt
quiet
title Ubuntu 8.04, kernel 2.6.24-23-rt (recovery mode)
root (hd0,2)
kernel /boot/vmlinuz-2.6.24-23-rt
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro single
initrd /boot/initrd.img-2.6.24-23-rt
title Ubuntu 8.04, kernel 2.6.24-23-generic
root (hd0,2)
kernel /boot/vmlinuz-2.6.24-23-generic
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro quiet splash
initrd /boot/initrd.img-2.6.24-23-generic
quiet
title Ubuntu 8.04, kernel 2.6.24-23-generic (recovery mode)
root (hd0,2)
kernel /boot/vmlinuz-2.6.24-23-generic
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro single
initrd /boot/initrd.img-2.6.24-23-generic
title Ubuntu 8.04, kernel 2.6.24-22-rt
root (hd0,2)
kernel /boot/vmlinuz-2.6.24-22-rt
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro quiet splash
initrd /boot/initrd.img-2.6.24-22-rt
quiet
title Ubuntu 8.04, kernel 2.6.24-22-rt (recovery mode)
root (hd0,2)
kernel /boot/vmlinuz-2.6.24-22-rt
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro single
initrd /boot/initrd.img-2.6.24-22-rt
title Ubuntu 8.04, kernel 2.6.24-22-generic
root (hd0,2)
kernel /boot/vmlinuz-2.6.24-22-generic
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro quiet splash
initrd /boot/initrd.img-2.6.24-22-generic
quiet
title Ubuntu 8.04, kernel 2.6.24-22-generic (recovery mode)
root (hd0,2)
kernel /boot/vmlinuz-2.6.24-22-generic
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro single
initrd /boot/initrd.img-2.6.24-22-generic
title Ubuntu 8.04, kernel 2.6.22-16-rt
root (hd0,2)
kernel /boot/vmlinuz-2.6.22-16-rt
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro quiet splash
initrd /boot/initrd.img-2.6.22-16-rt
quiet
title Ubuntu 8.04, kernel 2.6.22-16-rt (recovery mode)
root (hd0,2)
kernel /boot/vmlinuz-2.6.22-16-rt
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro single
initrd /boot/initrd.img-2.6.22-16-rt
title Ubuntu 8.04, kernel 2.6.22-16-generic
root (hd0,2)
kernel /boot/vmlinuz-2.6.22-16-generic
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro quiet splash
initrd /boot/initrd.img-2.6.22-16-generic
quiet
title Ubuntu 8.04, kernel 2.6.22-16-generic (recovery mode)
root (hd0,2)
kernel /boot/vmlinuz-2.6.22-16-generic
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro single
initrd /boot/initrd.img-2.6.22-16-generic
title Ubuntu 8.04, kernel 2.6.22-15-generic
root (hd0,2)
kernel /boot/vmlinuz-2.6.22-15-generic
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro quiet splash
initrd /boot/initrd.img-2.6.22-15-generic
quiet
title Ubuntu 8.04, kernel 2.6.22-15-generic (recovery mode)
root (hd0,2)
kernel /boot/vmlinuz-2.6.22-15-generic
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro single
initrd /boot/initrd.img-2.6.22-15-generic
title Ubuntu 8.04, kernel 2.6.22-14-generic
root (hd0,2)
kernel /boot/vmlinuz-2.6.22-14-generic
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro quiet splash
initrd /boot/initrd.img-2.6.22-14-generic
quiet
title Ubuntu 8.04, kernel 2.6.22-14-generic (recovery mode)
root (hd0,2)
kernel /boot/vmlinuz-2.6.22-14-generic
root=UUID=c8f92b8f-2f46-4500-929b-ccf369500593 ro single
initrd /boot/initrd.img-2.6.22-14-generic
title Ubuntu 8.04, memtest86+
root (hd0,2)
kernel /boot/memtest86+.bin
quiet
### END DEBIAN AUTOMAGIC KERNELS LIST
# This is a divider, added to separate the menu items below from the Debian
# ones.
title Other operating systems:
root
# This entry automatically added by the Debian installer for a non-linux OS
# on /dev/sda1
title Windows NT/2000/XP
root (hd0,0)
savedefault
makeactive
chainloader +1
# This entry automatically added by the Debian installer for a non-linux OS
# on /dev/sda2
title Microsoft Windows XP Home Edition
root (hd0,1)
savedefault
makeactive
chainloader +1
ted at Ubuntu:~$
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