[Bug 1438264] [NEW] 'aptitude purge ~c' breaks 14.04.2 LTS upgrade

[Gannet]

Public bug reported:

During 14.04.1 LTS --> 14.04.2 LTS upgrading I found a strange bug.

How to reproduce:

1) sudo apt-get install linux-generic-lts-utopic xserver-xorg-lts-utopic
libegl1-mesa-drivers-lts-utopic xserver-xorg-video-all-lts-utopic
xserver-xorg-input-all-lts-utopic

2) sudo aptitude purge linux-headers-3.13.0-48 linux-
headers-3.13.0-48-generic linux-image-3.13.0-48-generic linux-image-
extra-3.13.0-48-generic

3) sudo aptitude purge ~c

4) reboot

What happens:

system unable to boot graphics session and boots to VM instead.


Founded workaround:

sudo aptitude reinstall xserver-xorg-lts-utopic


So, It seems aptitude purge ~c for some reason breaks xserver package that should be reinstalled then to make system fully botable. Also I found it is reproduced on many computers.

** Affects: aptitude (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1438264

Title:
  'aptitude purge ~c' breaks 14.04.2 LTS upgrade

Status in aptitude package in Ubuntu:
  New

Bug description:
  During 14.04.1 LTS --> 14.04.2 LTS upgrading I found a strange bug.

  How to reproduce:

  1) sudo apt-get install linux-generic-lts-utopic xserver-xorg-lts-
  utopic libegl1-mesa-drivers-lts-utopic xserver-xorg-video-all-lts-
  utopic xserver-xorg-input-all-lts-utopic

  2) sudo aptitude purge linux-headers-3.13.0-48 linux-
  headers-3.13.0-48-generic linux-image-3.13.0-48-generic linux-image-
  extra-3.13.0-48-generic

  3) sudo aptitude purge ~c

  4) reboot

  What happens:

  system unable to boot graphics session and boots to VM instead.

  
  Founded workaround:

  sudo aptitude reinstall xserver-xorg-lts-utopic

  
  So, It seems aptitude purge ~c for some reason breaks xserver package that should be reinstalled then to make system fully botable. Also I found it is reproduced on many computers.

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