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Thread: Ubuntu 12.04 wubi Install not booting, Grub 2 bash command

  1. #1
    Join Date
    Feb 2014
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    Post Ubuntu 12.04 wubi Install not booting, Grub 2 bash command

    Hi, I'm new to the forums, and I've been trying so many solutions to fixing my problem, but they did not work.

    I have Windows 7 installed, and I used Wubi to install Ubuntu 12.04 inside my Windows (which seemed like a good idea at the time).

    Now when I try to boot into Ubuntu, I end up in a bash terminal for Grub 2, and can't do anything from there. I tried some commands with no luck.

    Then I tried a Usb Live CD and used boot repair with no luck. ( paste.ubuntu.com/6973163 )

    Now on the Wubi megathread, I found the Boot Info Script which gives me the following:

    Code:
     Boot Info Script 0.61      [1 April 2012]
    
    
    ============================= Boot Info Summary: ===============================
    
     => Windows is installed in the MBR of /dev/sda.
     => Syslinux MBR (4.04 and higher) 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:        /bootmgr /Boot/BCD
    
    sda2: __________________________________________________________________________
    
        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:        /bootmgr /boot/BCD /Windows/System32/winload.exe 
                           /wubildr /ubuntu/winboot/wubildr /wubildr.mbr 
                           /ubuntu/winboot/wubildr.mbr /ubuntu/disks/swap.disk
    
    sda2/Wubi: _____________________________________________________________________
    
        File system:       
        Boot sector type:  Unknown
        Boot sector info: 
        Mounting failed:   mount: unknown filesystem type ''
    
    sda3: __________________________________________________________________________
    
        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 /wubildr
    
    sda4: __________________________________________________________________________
    
        File system:       vfat
        Boot sector type:  Windows 7: FAT32
        Boot sector info:  No errors found in the Boot Parameter Block.
        Operating System:  
        Boot files:        /wubildr
    
    sdb1: __________________________________________________________________________
    
        File system:       vfat
        Boot sector type:  SYSLINUX 4.07 2013-07-25
        Boot sector info:  Syslinux looks at sector 4202784 of /dev/sdb1 for its 
                           second stage. SYSLINUX is installed in the /uui 
                           directory. The integrity check of the ADV area failed. 
                           No errors found in the Boot Parameter Block.
        Operating System:  
        Boot files:        /boot/grub/grub.cfg /efi/BOOT/grubx64.efi
    
    ============================ Drive/Partition Info: =============================
    
    Drive: sda _____________________________________________________________________
    
    Disk /dev/sda: 320.1 GB, 320072933376 bytes
    255 heads, 63 sectors/track, 38913 cylinders, total 625142448 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       409,599       407,552   7 NTFS / exFAT / HPFS
    /dev/sda2             409,600   596,209,663   595,800,064   7 NTFS / exFAT / HPFS
    /dev/sda3         596,209,664   624,928,767    28,719,104   7 NTFS / exFAT / HPFS
    /dev/sda4         624,928,768   625,140,399       211,632   c W95 FAT32 (LBA)
    
    
    Drive: sdb _____________________________________________________________________
    
    Disk /dev/sdb: 8001 MB, 8001847296 bytes
    10 heads, 10 sectors/track, 156286 cylinders, total 15628608 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    *          8,064    15,628,607    15,620,544   c W95 FAT32 (LBA)
    
    
    "blkid" output: ________________________________________________________________
    
    Device           UUID                                   TYPE       LABEL
    
    /dev/loop0                                              squashfs   
    /dev/sda1        C4B8BBCBB8BBBA6E                       ntfs       SYSTEM
    /dev/sda2        08F4F701F4F6EFB4                       ntfs       
    /dev/sda3        6C72039B72036962                       ntfs       RECOVERY
    /dev/sda4        60F5-CE32                              vfat       HP_TOOLS
    /dev/sdb1        2738-7BCA                              vfat       UUI
    
    ================================ Mount points: =================================
    
    Device           Mount_Point              Type       Options
    
    /dev/loop0       /rofs                    squashfs   (ro,noatime)
    /dev/sdb1        /cdrom                   vfat       (ro,noatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)
    
    
    =========================== sdb1/boot/grub/grub.cfg: ===========================
    
    --------------------------------------------------------------------------------
    
    if loadfont /boot/grub/font.pf2 ; then
        set gfxmode=auto
        insmod efi_gop
        insmod efi_uga
        insmod gfxterm
        terminal_output gfxterm
    fi
    
    set menu_color_normal=white/black
    set menu_color_highlight=black/light-gray
    
    menuentry "Try Ubuntu without installing" {
        set gfxpayload=keep
        linux    /casper/vmlinuz.efi  file=/cdrom/preseed/ubuntu.seed cdrom-detect/try-usb=true noprompt floppy.allowed_drive_mask=0 ignore_uuid boot=casper quiet splash --
        initrd    /casper/initrd.lz
    }
    menuentry "Install Ubuntu" {
        set gfxpayload=keep
        linux    /casper/vmlinuz.efi  file=/cdrom/preseed/ubuntu.seed cdrom-detect/try-usb=true noprompt floppy.allowed_drive_mask=0 ignore_uuid boot=casper only-ubiquity quiet splash --
        initrd    /casper/initrd.lz
    }
    menuentry "Check disc for defects" {
        set gfxpayload=keep
        linux    /casper/vmlinuz.efi  cdrom-detect/try-usb=true noprompt floppy.allowed_drive_mask=0 ignore_uuid boot=casper integrity-check quiet splash --
        initrd    /casper/initrd.lz
    }
    --------------------------------------------------------------------------------
    
    =================== sdb1: Location of files loaded by Grub: ====================
    
               GiB - GB             File                                 Fragment(s)
    
                ?? = ??             boot/grub/grub.cfg                             1
    
    ======================== Unknown MBRs/Boot Sectors/etc: ========================
    
    Unknown BootLoader on sda2/Wubi
    
    
    
    =============================== StdErr Messages: ===============================
    
    ./bootinfoscript: line 1646: [: 2.73495e+09: integer expression expected
    Can anyone help me to decipher what is going on? Any help would be highly appreciated!

    Thanks

  2. #2
    Join Date
    Jun 2009
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    Kubuntu

    Re: Ubuntu 12.04 wubi Install not booting, Grub 2 bash command

    Bootinfoscript is the first part of BootInfo report, so they are the same.
    But one boot showed flash drive as sda, and the other sdb. You will have to keep track on which is which.

    Boot-Repair seemed to have trouble mounting NTFS partition that wubi is in. Boot-Repair cannot do much for Windows fixes. Does Windows boot ok? Or you still may need chkdsk on the Windows c: drive.
    Or did you hibernate Windows, as that can also cause issues.

    https://wiki.ubuntu.com/WubiGuide
    https://help.ubuntu.com/community/Wubi

    Missing root.disk
    http://ubuntu-with-wubi.blogspot.ca/...-rootdisk.html
    http://askubuntu.com/questions/22870...disk-corrupted
    UEFI boot install & repair info - Regularly Updated :
    https://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  3. #3
    Join Date
    Feb 2014
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    2

    Post Re: Ubuntu 12.04 wubi Install not booting, Grub 2 bash command

    Hey, thanks for the quick reply. Windows works fine, but I've given up and come to the conclusion that my root.disk is corrupted as it shows as 0kb in windows.

    Is there any way I can get my documents from my ubuntu? Or was everything in my root.disk file?

    Thanks

  4. #4
    Join Date
    Jun 2009
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    Kubuntu

    Re: Ubuntu 12.04 wubi Install not booting, Grub 2 bash command

    Links above discuss the issues. It may need fsck. Or if truly 0 in size, you backups would be the only althernative.

    How-to: Recover files from Wubi install with LiveCD
    http://neosmart.net/forums/showthread.php?t=5004
    UEFI boot install & repair info - Regularly Updated :
    https://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

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