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Thread: Grub Broken

  1. #1
    Join Date
    Mar 2010
    Location
    Buenos Aires, Argentina
    Beans
    52
    Distro
    Kubuntu 11.04 Natty Narwhal

    Grub Broken

    Hi there,

    I upgraded to 11.04 from 10.10. On reboot, the OS wasn't booting and wasn't loading GRUB at all. Reinstalled GRUB using LiveCD, then all I was getting was the grub-rescue command line. Booted using this:

    Code:
    set root=(hdX,Y)
    linux /vmlinuz root=/dev/sdXY ro
    initrd /initrd.img
    boot
    I switched to KDE at this point (by installing plasma-desktop and KDE packages, not fresh install). After doing
    Code:
    sudo update-grub
    and reinstalling GRUB2 a few times, I can still only boot from the command line, even though the command shows that the kernels are present and menu.lst has been updated:

    Code:
    mike@Sysem76:~$ sudo update-grub
    [sudo] password for mike: 
    Searching for GRUB installation directory ... found: /boot/grub
    Searching for default file ... found: /boot/grub/default
    Testing for an existing GRUB menu.lst file ... found: /boot/grub/menu.lst
    Searching for splash image ... none found, skipping ...
    Found kernel: /boot/vmlinuz-2.6.38-9-generic
    Found kernel: /boot/vmlinuz-2.6.38-8-generic
    Found GRUB 2: /boot/grub/core.img
    Found kernel: /boot/memtest86+.bin
    Updating /boot/grub/menu.lst ... done
    Why can't I just boot normally?

    (Kubuntu 11.04 64 bit)

  2. #2
    Join Date
    May 2010
    Beans
    626
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Grub Broken

    Are you using Grub Legacy? Also, post /boot/grub/grub.cfg and /boot/grub/menu.lst (which ever you have).


    Cipherboy

  3. #3
    Join Date
    Sep 2009
    Beans
    8,874
    Distro
    Ubuntu Development Release

    Re: Grub Broken

    Quote Originally Posted by cipherboy_loc View Post
    Are you using Grub Legacy? Also, post /boot/grub/grub.cfg and /boot/grub/menu.lst (which ever you have).


    Cipherboy
    Good eye.

    So from a booted live Ubuntu cd, thumbdrive, or Ubnutu installation lets see the bootscript read out; in my signature just click on it and follow the instructions. Come back to the thread and click on the (#) in the reply panel this makes code tags paste all the text in between.





  4. #4
    Join Date
    Mar 2010
    Location
    Buenos Aires, Argentina
    Beans
    52
    Distro
    Kubuntu 11.04 Natty Narwhal

    Re: Grub Broken

    Thanks for the replies

    Looking at the package list, I have grub (legacy version) and grub-common. Here's the output:

    Code:
                   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 126092033 
        of the same hard drive for core.img, but core.img can not be found at this 
        location.
    
    sda1: _________________________________________________________________________
    
        File system:       ext4
        Boot sector type:  Unknown
        Boot sector info:  
        Operating System:  Ubuntu 11.04
        Boot files/dirs:   /boot/grub/menu.lst /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: 80.0 GB, 80026361856 bytes
    255 heads, 63 sectors/track, 9729 cylinders, total 156301488 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   145,009,765   145,009,765  83 Linux
    /dev/sda2         145,009,766   156,301,487    11,291,722   5 Extended
    /dev/sda5         145,009,767   156,301,487    11,291,721  83 Linux
    
    
    blkid -c /dev/null: ____________________________________________________________
    
    Device           UUID                                   TYPE       LABEL                         
    
    /dev/sda1        552496e2-92cc-4e0f-87c0-322edc0cb632   ext4                                     
    /dev/sda2: PTTYPE="dos" 
    /dev/sda5        5abbcc52-f627-41eb-956f-3f811627ebed   swap                                     
    /dev/sda: PTTYPE="dos" 
    
    ============================ "mount | grep ^/dev  output: ===========================
    
    Device           Mount_Point              Type       Options
    
    /dev/sda1        /                        ext4       (rw,noatime,discard,commit=600,commit=600,commit=0,commit=600,commit=0,commit=600)
    
    
    =========================== sda1/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-legacy-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		3
    
    ## 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=552496e2-92cc-4e0f-87c0-322edc0cb632 ro
    
    ## default grub root device
    ## e.g. groot=(hd0,0)
    # groot=552496e2-92cc-4e0f-87c0-322edc0cb632
    
    ## 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
    
    ## specify if running in Xen domU or have grub detect automatically
    ## update-grub will ignore non-xen kernels when running in domU and vice versa
    ## e.g. indomU=detect
    ##      indomU=true
    ##      indomU=false
    # indomU=detect
    
    ## 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 11.04, kernel 2.6.38-9-generic
    uuid		552496e2-92cc-4e0f-87c0-322edc0cb632
    kernel		/boot/vmlinuz-2.6.38-9-generic root=UUID=552496e2-92cc-4e0f-87c0-322edc0cb632 ro quiet splash 
    initrd		/boot/initrd.img-2.6.38-9-generic
    
    title		Ubuntu 11.04, kernel 2.6.38-9-generic (recovery mode)
    uuid		552496e2-92cc-4e0f-87c0-322edc0cb632
    kernel		/boot/vmlinuz-2.6.38-9-generic root=UUID=552496e2-92cc-4e0f-87c0-322edc0cb632 ro  single
    initrd		/boot/initrd.img-2.6.38-9-generic
    
    title		Ubuntu 11.04, kernel 2.6.38-8-generic
    uuid		552496e2-92cc-4e0f-87c0-322edc0cb632
    kernel		/boot/vmlinuz-2.6.38-8-generic root=UUID=552496e2-92cc-4e0f-87c0-322edc0cb632 ro quiet splash 
    initrd		/boot/initrd.img-2.6.38-8-generic
    
    title		Ubuntu 11.04, kernel 2.6.38-8-generic (recovery mode)
    uuid		552496e2-92cc-4e0f-87c0-322edc0cb632
    kernel		/boot/vmlinuz-2.6.38-8-generic root=UUID=552496e2-92cc-4e0f-87c0-322edc0cb632 ro  single
    initrd		/boot/initrd.img-2.6.38-8-generic
    
    title		Chainload into GRUB 2
    root		552496e2-92cc-4e0f-87c0-322edc0cb632
    kernel		/boot/grub/core.img
    
    title		Ubuntu 11.04, memtest86+
    uuid		552496e2-92cc-4e0f-87c0-322edc0cb632
    kernel		/boot/memtest86+.bin
    
    ### END DEBIAN AUTOMAGIC KERNELS LIST
    
    =========================== 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 552496e2-92cc-4e0f-87c0-322edc0cb632
    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 552496e2-92cc-4e0f-87c0-322edc0cb632
    set locale_dir=($root)/boot/grub/locale
    set lang=en_GB
    insmod gettext
    if [ "${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 0,71,115; 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 2.6.38-9-generic' --class ubuntu --class gnu-linux --class gnu --class os {
    	recordfail
    	set gfxpayload=$linux_gfx_mode
    	insmod part_msdos
    	insmod ext2
    	set root='(/dev/sda,msdos1)'
    	search --no-floppy --fs-uuid --set=root 552496e2-92cc-4e0f-87c0-322edc0cb632
    	linux	/boot/vmlinuz-2.6.38-9-generic root=UUID=552496e2-92cc-4e0f-87c0-322edc0cb632 ro   quiet splash vt.handoff=7
    	initrd	/boot/initrd.img-2.6.38-9-generic
    }
    menuentry 'Ubuntu, with Linux 2.6.38-9-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
    	recordfail
    	set gfxpayload=$linux_gfx_mode
    	insmod part_msdos
    	insmod ext2
    	set root='(/dev/sda,msdos1)'
    	search --no-floppy --fs-uuid --set=root 552496e2-92cc-4e0f-87c0-322edc0cb632
    	echo	'Loading Linux 2.6.38-9-generic ...'
    	linux	/boot/vmlinuz-2.6.38-9-generic root=UUID=552496e2-92cc-4e0f-87c0-322edc0cb632 ro single 
    	echo	'Loading initial ramdisk ...'
    	initrd	/boot/initrd.img-2.6.38-9-generic
    }
    submenu "Previous Linux versions" {
    menuentry 'Ubuntu, with Linux 2.6.38-8-generic' --class ubuntu --class gnu-linux --class gnu --class os {
    	recordfail
    	set gfxpayload=$linux_gfx_mode
    	insmod part_msdos
    	insmod ext2
    	set root='(/dev/sda,msdos1)'
    	search --no-floppy --fs-uuid --set=root 552496e2-92cc-4e0f-87c0-322edc0cb632
    	linux	/boot/vmlinuz-2.6.38-8-generic root=UUID=552496e2-92cc-4e0f-87c0-322edc0cb632 ro   quiet splash vt.handoff=7
    	initrd	/boot/initrd.img-2.6.38-8-generic
    }
    menuentry 'Ubuntu, with Linux 2.6.38-8-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
    	recordfail
    	set gfxpayload=$linux_gfx_mode
    	insmod part_msdos
    	insmod ext2
    	set root='(/dev/sda,msdos1)'
    	search --no-floppy --fs-uuid --set=root 552496e2-92cc-4e0f-87c0-322edc0cb632
    	echo	'Loading Linux 2.6.38-8-generic ...'
    	linux	/boot/vmlinuz-2.6.38-8-generic root=UUID=552496e2-92cc-4e0f-87c0-322edc0cb632 ro single 
    	echo	'Loading initial ramdisk ...'
    	initrd	/boot/initrd.img-2.6.38-8-generic
    }
    menuentry 'Ubuntu, with Linux 2.6.35-28-generic' --class ubuntu --class gnu-linux --class gnu --class os {
    	recordfail
    	set gfxpayload=$linux_gfx_mode
    	insmod part_msdos
    	insmod ext2
    	set root='(/dev/sda,msdos1)'
    	search --no-floppy --fs-uuid --set=root 552496e2-92cc-4e0f-87c0-322edc0cb632
    	linux	/boot/vmlinuz-2.6.35-28-generic root=UUID=552496e2-92cc-4e0f-87c0-322edc0cb632 ro   quiet splash vt.handoff=7
    	initrd	/boot/initrd.img-2.6.35-28-generic
    }
    menuentry 'Ubuntu, with Linux 2.6.35-28-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
    	recordfail
    	set gfxpayload=$linux_gfx_mode
    	insmod part_msdos
    	insmod ext2
    	set root='(/dev/sda,msdos1)'
    	search --no-floppy --fs-uuid --set=root 552496e2-92cc-4e0f-87c0-322edc0cb632
    	echo	'Loading Linux 2.6.35-28-generic ...'
    	linux	/boot/vmlinuz-2.6.35-28-generic root=UUID=552496e2-92cc-4e0f-87c0-322edc0cb632 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 552496e2-92cc-4e0f-87c0-322edc0cb632
    	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 552496e2-92cc-4e0f-87c0-322edc0cb632
    	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=552496e2-92cc-4e0f-87c0-322edc0cb632	/	ext4 noatime,discard,	errors=remount-ro	0	1	# /dev/sda1
    # swap was on /dev/sda5 during installation
    UUID=5abbcc52-f627-41eb-956f-3f811627ebed	none	swap	sw	0	0	# /dev/sda5
    
    =================== sda1: Location of files loaded by Grub: ===================
    
    
      64.5GB: boot/grub/core.img
      34.5GB: boot/grub/grub.cfg
      23.5GB: boot/grub/menu.lst
      37.0GB: boot/initrd.img-2.6.38-8-generic
      37.1GB: boot/initrd.img-2.6.38-9-generic
      23.3GB: boot/vmlinuz-2.6.38-8-generic
      36.4GB: boot/vmlinuz-2.6.38-9-generic
      37.1GB: initrd.img
      37.0GB: initrd.img.old
      36.4GB: vmlinuz
      23.3GB: vmlinuz.old
    =========================== Unknown MBRs/Boot Sectors/etc =======================
    
    Unknown BootLoader  on sda1
    
    00000000  eb 63 90 00 00 00 00 00  00 00 00 00 00 00 00 00  |.c..............|
    00000010  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
    *
    00000050  00 00 00 00 00 00 00 00  00 00 00 80 19 06 84 07  |................|
    00000060  00 00 00 00 ff fa 90 90  f6 c2 80 74 05 f6 c2 70  |...........t...p|
    00000070  74 02 b2 80 ea 79 7c 00  00 31 c0 8e d8 8e d0 bc  |t....y|..1......|
    00000080  00 20 fb a0 64 7c 3c ff  74 02 88 c2 52 bb 17 04  |. ..d|<.t...R...|
    00000090  80 27 03 74 06 be 88 7d  e8 17 01 be 05 7c b4 41  |.'.t...}.....|.A|
    000000a0  bb aa 55 cd 13 5a 52 72  3d 81 fb 55 aa 75 37 83  |..U..ZRr=..U.u7.|
    000000b0  e1 01 74 32 31 c0 89 44  04 40 88 44 ff 89 44 02  |..t21..D.@.D..D.|
    000000c0  c7 04 10 00 66 8b 1e 5c  7c 66 89 5c 08 66 8b 1e  |....f..\|f.\.f..|
    000000d0  60 7c 66 89 5c 0c c7 44  06 00 70 b4 42 cd 13 72  |`|f.\..D..p.B..r|
    000000e0  05 bb 00 70 eb 76 b4 08  cd 13 73 0d f6 c2 80 0f  |...p.v....s.....|
    000000f0  84 d0 00 be 93 7d e9 82  00 66 0f b6 c6 88 64 ff  |.....}...f....d.|
    00000100  40 66 89 44 04 0f b6 d1  c1 e2 02 88 e8 88 f4 40  |@f.D...........@|
    00000110  89 44 08 0f b6 c2 c0 e8  02 66 89 04 66 a1 60 7c  |.D.......f..f.`||
    00000120  66 09 c0 75 4e 66 a1 5c  7c 66 31 d2 66 f7 34 88  |f..uNf.\|f1.f.4.|
    00000130  d1 31 d2 66 f7 74 04 3b  44 08 7d 37 fe c1 88 c5  |.1.f.t.;D.}7....|
    00000140  30 c0 c1 e8 02 08 c1 88  d0 5a 88 c6 bb 00 70 8e  |0........Z....p.|
    00000150  c3 31 db b8 01 02 cd 13  72 1e 8c c3 60 1e b9 00  |.1......r...`...|
    00000160  01 8e db 31 f6 bf 00 80  8e c6 fc f3 a5 1f 61 ff  |...1..........a.|
    00000170  26 5a 7c be 8e 7d eb 03  be 9d 7d e8 34 00 be a2  |&Z|..}....}.4...|
    00000180  7d e8 2e 00 cd 18 eb fe  47 52 55 42 20 00 47 65  |}.......GRUB .Ge|
    00000190  6f 6d 00 48 61 72 64 20  44 69 73 6b 00 52 65 61  |om.Hard Disk.Rea|
    000001a0  64 00 20 45 72 72 6f 72  0d 0a 00 bb 01 00 b4 0e  |d. Error........|
    000001b0  cd 10 ac 3c 00 75 f4 c3  00 00 00 00 00 00 00 00  |...<.u..........|
    000001c0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
    *
    000001f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 55 aa  |..............U.|
    00000200

  5. #5
    Join Date
    May 2010
    Beans
    626
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Grub Broken

    I would recommend updating to Grub2 and seeing if that fixes your issues. Also, is grub-common for grub2? Or did it also exist for Grub-Legacy (and thus was updated with Grub2)?


    Cipherboy

  6. #6
    Join Date
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    Ubuntu Development Release

    Re: Grub Broken

    @Mike Loubet you need to purge all of the grubs and install one or the other. Your set up will not work with both in the same OS.
    http://ubuntuforums.org/showthread.php?t=1581099

    Notice that the thread has two methods one from inside the OS and one chrooting from a live cd,. If you use a live cd use only one the same as the install. Personally I find grub2 much easier to deal with.





  7. #7
    Join Date
    Mar 2010
    Location
    Buenos Aires, Argentina
    Beans
    52
    Distro
    Kubuntu 11.04 Natty Narwhal

    Re: Grub Broken

    @Cipherboy - I really don't know. I had thought I had Grub2 installed. Although, when I purged, grub-efi-amd64 had appeared... It may have been from when I was trying different options when I couldn't get the OS to boot normally.

    @wilee-nilee - I am now at step 4, and get the option to install GRUB on two devices. When this option came up when doing the update to 11.04, I installed on both, but I would like to consult before choosing the device:

    Code:
    Package configuration                                                           
                                                                                    
                                                                                    
                                                                                    
                                                                                    
                                                                                    
     ┌──────────────────────────┤ Configuring grub-pc ├──────────────────────────┐  
     │ The grub-pc package is being upgraded. This menu allows you to select     │  
     │ which devices you'd like grub-install to be automatically run for, if     │  
     │ any.                                                                      │  
     │                                                                           │  
     │ Running grub-install automatically is recommended in most situations, to  │  
     │ prevent the installed GRUB core image from getting out of sync with GRUB  │  
     │ modules or grub.cfg.                                                      │  
     │                                                                           │  
     │ If you're unsure which drive is designated as boot drive by your BIOS,    │  
     │ it is often a good idea to install GRUB to all of them.                   │  
     │                                                                           │  
     │ Note: it is possible to install GRUB to partition boot records as well,   │  
     │ and some appropriate partitions are offered here. However, this forces    │  
     │ GRUB to use the blocklist mechanism, which makes it less reliable, and    │  
     │ therefore is not recommended.                                             │  
     │                                                                           │  
     │ GRUB install devices:                                                     │  
     │                                                                           │  
     │    [ ] /dev/sda (80026 MB; INTEL_SSDSA2CW080G3)                           │  
     │    [ ] - /dev/sda1 (74244 MB; /)                                          │  
     │                                                                           │  
     │                                                                           │  
     │                                  <Ok>                                     │  
     │                                                                           │  
     └───────────────────────────────────────────────────────────────────────────┘

  8. #8
    Join Date
    Sep 2009
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    8,874
    Distro
    Ubuntu Development Release

    Re: Grub Broken

    sda is where it goes the mbr.





  9. #9
    Join Date
    Mar 2010
    Location
    Buenos Aires, Argentina
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    52
    Distro
    Kubuntu 11.04 Natty Narwhal

    Re: Grub Broken

    When i select SDA, I get this:

    "You chose not to install GRUB to any devices. If you continue, the boot │
    │ loader may not be properly configured, and when this computer next │
    │ starts up it will use whatever was previously in the boot sector. If │
    │ there is an earlier version of GRUB 2 in the boot sector, it may be │
    │ unable to load modules or handle the current configuration file. │
    │ │
    │ If you are already using a different boot loader and want to carry on │
    │ doing so, or if this is a special environment where you do not need a │
    │ boot loader, then you should continue anyway. Otherwise, you should │
    │ install GRUB somewhere. │
    │ "

  10. #10
    Join Date
    Sep 2009
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    8,874
    Distro
    Ubuntu Development Release

    Re: Grub Broken

    Quote Originally Posted by Mike Loubet View Post
    When i select SDA, I get this:

    "You chose not to install GRUB to any devices. If you continue, the boot │
    │ loader may not be properly configured, and when this computer next │
    │ starts up it will use whatever was previously in the boot sector. If │
    │ there is an earlier version of GRUB 2 in the boot sector, it may be │
    │ unable to load modules or handle the current configuration file. │
    │ │
    │ If you are already using a different boot loader and want to carry on │
    │ doing so, or if this is a special environment where you do not need a │
    │ boot loader, then you should continue anyway. Otherwise, you should │
    │ install GRUB somewhere. │
    │ "
    Did you hit the tab to actually mark the sda install...if so, your okay. Reboot if you don't get the grub menu, run the bootscript again, and post it.





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