[Bug 1478518] Re: DELL XPS 13: Update-manager got locked up when the device locked

[Shih-Yuan Lee]

This should be a general issue after we modified /etc/default/grub manually.
Next time when any grub update, the update-manager needs libgtk2-perl to show the menu but it is not installed by default.

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https://bugs.launchpad.net/bugs/1478518

Title:
  DELL XPS 13: Update-manager got locked up when the device locked

Status in update-manager package in Ubuntu:
  Confirmed

Bug description:
  STEPS:
  1. Obtain XPS13
  2. Do initial update when requested by update-manager
  3. Laptop locked
  4. Upon waking the laptop update-manager was completely locked
  5. Had to reboot to regain access to apt/dpkg on reboot kernel panicked

  EXPECTED:
  I expected the update to run without a hitch

  ACTUAL:
  Part way through the install of grub the system locked the screen as expected, on waking the device I discovered the update-manager was completely unresponsive,  I forced it closed but apt and dpkg were still not available to the system.  In the end I rebooted and got a kernel panic which was not expected.

  
  WORKAROUND:
  Boot the device tap on shift until you are presented with the boot menu.  Select Advanced Settings and select the initial Kernel the device came with.  Boot into the system and run sudo dpkg --configure -a in the terminal or tty

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