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Thread: Boot Repair won't work: 'File system repair requires to unmount partitions' loops

  1. #1
    Join Date
    Oct 2008
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    Boot Repair won't work: 'File system repair requires to unmount partitions' loops

    I am in the process of installing ubuntu on a Windows 8 machine. I have followed the instructions here: http://ubuntuforums.org/showthread.php?t=2108450

    I have got to the stage where I am applying Boot Repair's recommended fix.

    The problem I keep encountering is that Boot Repair keeps giving the message "Filesystem repair requires to unmount partitions. Please close all your programs. Then close this window." the only program that I have opened is boot repair. This message reappears after dismissing.

    I have got to the ubuntu install by rebooting from Windows 8, opting to load from the device "ubuntu". This is the only way I can get into my ubuntu installation.

    Here is my boot repair BootInfo summary: http://paste.ubuntu.com/6820834/
    Last edited by cpt.mayhem; January 26th, 2014 at 04:48 PM.

  2. #2
    Join Date
    Jun 2010
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    London, England
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    Ubuntu Development Release

    Re: Boot Repair won't work: 'File system repair requires to unmount partitions' loops

    Are you running boot repair from inside Ubuntu? Ubuntu is on a mounted partition and Boot Repair cannot unmount the parttition to do its stuff because that would break the loaded Ubuntu Session. This is my guess.

    I suggest that to use Boot Repair to repair what is wrong we need to run Boot Repair from a Ubuntu live session. We may need to install it first.

    Regards.
    It is a machine. It is more stupid than we are. It will not stop us from doing stupid things.
    Ubuntu user #33,200. Linux user #530,530


  3. #3
    Join Date
    Jun 2009
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    SW Forida
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    Distro
    Ubuntu 16.04 Xenial Xerus

    Re: Boot Repair won't work: 'File system repair requires to unmount partitions' loops

    It looks like you originally installed Ubuntu in BIOS boot mode as you have grub in protective MBR.
    But you now have grub in efi partition for UEFI boot.

    Since a Dell do not run the backup & rename Windows files option. Dell's boot from UEFI without the rename. The rename is only for systems that have modified UEFI to only boot Windows.

    But you modified Windows system reserved partition from unformatted to ext4? It must be unformatted and you may later have issues with Windows as it needs that space for serial numbers and hidden data. Part of the errors on type issues Boot-Repair is reporting.

    Order on drive is important: msftres
    http://en.wikipedia.org/wiki/Microso...rved_Partition

    Microsoft suggested partitions including reserved partition for gpt & UEFI:
    http://technet.microsoft.com/en-us/l...8WS.10%29.aspx

    Use gparted and change sda2 back to unformatted. Make sure flag still has msftres set.

    It looks like you should be able to boot ubuntu from UEFI, and Windows from UEFI or from grub menu.
    There is a bug in grub that if you turn secure boot on, you cannot boot Windows from grub menu.

    Is this a Dell like the first link you have?
    Many similar issues.

    Ubuntu on the Precision M3800 or XPS15 Nov 2013
    http://en.community.dell.com/techcen...ion-m3800.aspx
    https://wiki.ubuntu.com/HardwareSupport/Machines/Laptops/Dell/XPS/15z


    Dell Inspiron 3521
    http://www.everydaylinuxuser.com/2013/09/install-ubuntu-linux-alongside-windows.html

    Dell XPS13 general info mega-thread
    http://ubuntuforums.org/showthread.php?t=1932965






    For more info on UEFI boot install & repair - Regularly Updated :
    http://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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