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Thread: Crash during upgrade to 10.10, system unusable

  1. #1
    Join Date
    Sep 2005
    Beans
    359

    Crash during upgrade to 10.10, system unusable

    The upgrade from Ubuntu 10.04 32 bit, which was running fine, to 10.10 crashed during the installation of the packages. When I boot the computer now, I see the login screen, but neither the mouse, nor the keyboard work, no login is possible and no switching to a text login screen is possible. Power off is the only working option.

    When I boot using the safe mode, I see the boot messages and then:

    Code:
    Begin: Running /scripts/init-bottom ...
    Done.
    mountall: Keine Verbindung zu Plymouth
    After this, the system hangs and can only be powered off.
    The last message is in German because this is a German Ubuntu installation, it is equivalent to
    Code:
    mountall: Could not Connect to Plymouth
    I am very frustrated about this ... anything to save the system?

  2. #2
    Join Date
    Oct 2009
    Location
    Reykjavík, Ísland
    Beans
    13,647
    Distro
    Xubuntu

    Re: Crash during upgrade to 10.10, system unusable

    Plymouth is a central part of Ubuntu, so I don't think that it is worth the effort to rescue the system. Better to save your files and do a fresh install.

    On a working system you could try to run
    Code:
    sudo apt-get remove plymouth
    without confirming!!! to see how much depends on Plymouth.
    Bringing old hardware back to life. About problems due to upgrading.
    Please visit Quick Links -> Unanswered Posts.
    Don't use this space for a list of your hardware. It only creates false hits in the search engines.

  3. #3
    Join Date
    Apr 2009
    Location
    Rawalpindi, Pakistan
    Beans
    5,669
    Distro
    Ubuntu Gnome Development Release

    Re: Crash during upgrade to 10.10, system unusable

    Before re-installation, you can try to boot into Recovery Mode and drop to Root Shell and perform these commands.

    Connect to internet,

    Code:
    dhclient eth0
    Replace eth0 with your network interface.

    Code:
    sudo apt-get update
    Code:
    sudo apt-get upgrade
    Code:
    sudo apt-get dist-upgrade
    Code:
    sudo apt-get install -f
    Code:
    sudo dpkg --configure -a

  4. #4
    Join Date
    Sep 2005
    Beans
    359

    Re: Crash during upgrade to 10.10, system unusable

    Unfortunately, booting into recovery mode did not work either ... same lockup.

    What I ended up doing is something that was recommended on the German Ubuntu board:
    http://wiki.ubuntuusers.de/chroot/Live-CD (in German).

    It boils down to doingt this:
    * booting an Ubuntu Live CD
    * mounting all the relevant mount points in some directory of the live CD system (/mnt)
    * copying over relevant data
    * starting a chroot shell with the directory where the hard disk system is mounted as root
    * repairing the broken installtion there by repeatedly doing
    "apt-get -f install" and "apt-get upgrade" and "apt-get dist-upgrade"
    * exiting the chroot shell
    * rebooting

    After rebooting the system was usable and with some additional package updates/upgrades it now looks like new and is running 10.10

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