[Bug 1749688] Re: 16.04 HWE -> 18.04 = xorg held back (+ partial breakage because of it)

[Timo Aaltonen]

should be fixed now with 3:14.1 in the archive

** Changed in: xorg-lts-transitional (Ubuntu Bionic)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1749688

Title:
  16.04 HWE -> 18.04 = xorg held back (+ partial breakage because of it)

Status in ubuntu-release-upgrader package in Ubuntu:
  Triaged
Status in xorg-lts-transitional package in Ubuntu:
  Fix Released
Status in ubuntu-release-upgrader source package in Bionic:
  Triaged
Status in xorg-lts-transitional source package in Bionic:
  Fix Released

Bug description:
  When upgrading from a 16.04 installation which had HWE (later point
  releases) xorg is getting held back as apt is having trouble resolving
  the path from xserver-xorg-core-hwe-16.04 to xserver-xorg-core.

  In at least one instance I've seen a system from a user POV completely
  break because of that as it failed to get any keyboard input. Forcing
  xorg to get properly installed fixes any and all issues as expected.

  - devel upgrade from xenial to bionic
  - restart
  - xorg not upgraded
  - try to get a hold of tty or repair mode
  - sudo apt install dist-upgrade && sudo apt install xorg
  - restart
  - working system

  I am going to attach logs for an ubuntu-desktop system, but I've also
  seen this with kubuntu-desktop and the derived neon-desktop. It's a
  bit unclear to me why apt is having trouble with the resolution, it
  does seem like a fairly serious problem though.

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