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

[Axel Beckert]

It's not aptitude's fault if purging _any_ package breaks the system.
Reassigning to xserver-xorg-lts-utopic as closest package which may have
been the cause.

P.S.: Purging all removed but not purged packages should always be used
with care.

** Package changed: aptitude (Ubuntu) => xorg-lts-utopic (Ubuntu)

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

Status in xorg-lts-utopic 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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