[Bug 1617448] Re: HWE upgrade to lts-xenial stack fails if fglrx is installed

[Steve Langasek]

Hello IbraM, or anyone else affected,

Accepted update-manager into trusty-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/update-
manager/1:0.196.21 in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: update-manager (Ubuntu Trusty)
       Status: In Progress => Fix Committed

** Tags added: verification-needed

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https://bugs.launchpad.net/bugs/1617448

Title:
  HWE upgrade to lts-xenial stack fails if fglrx is installed

Status in update-manager package in Ubuntu:
  Invalid
Status in xorg-server-lts-xenial package in Ubuntu:
  Invalid
Status in update-manager source package in Trusty:
  Fix Committed
Status in xorg-server-lts-xenial source package in Trusty:
  Fix Committed

Bug description:
  Trying to upgrade from the lts-vivid, lts-utopic, or lts-wily stack to
  the lts-xenial stack as recommended by hwe-support-status creates a
  situation the apt problem resolver can not sort out due to fglrx being
  deprecated in 16.04.  update-manager should notify you that fglrx is
  no longer supported, and xserver-xorg-core-lts-xenial should conflict
  with fglrx packages so the upgrade can succeed.

  Test Case
  ---------
  1) Install fglrx on a 14.04 system
  2) Install the lts-wily hwe stack
  3) Run sudo apt-get install $(hwe-support-status --show-replacements)

  You'll encounter an error message like the following:

  The following packages have unmet dependencies:
   libgl1-mesa-glx-lts-xenial : Depends: libglapi-mesa-lts-xenial (= 11.2.0-1ubuntu2~trusty1) but it is not going to be installed
   xserver-xorg-lts-xenial : Recommends: xserver-xorg-input-all-lts-xenial but it is not going to be installed
                             Recommends: xserver-xorg-video-all-lts-xenial but it is not going to be installed
                             Recommends: libgles2-mesa-lts-xenial but it is not going to be installed
                             Recommends: libgles1-mesa-lts-xenial but it is not going to be installed
                             Conflicts: libglapi-mesa (>= 0~)
                             Conflicts: libgles2-mesa (>= 0~)

  With the version of xserver-xorg-core-lts-xenial the upgrade should be
  calculated.  Additionally, "hwe-support-status --show-all-unsupported"
  should list the fglrx that are installed.  The messaging from hwe-
  suuport-status should also mention that the fglrx driver is
  deprecated.

  Original Description
  -------------------

  The bug is described on the ubuntu forum =>
  https://ubuntuforums.org/showthread.php?t=2333884&p=13536493

  ProblemType: BugDistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.16.0-77.99~14.04.1-generic 3.16.7-ckt27
  Uname: Linux 3.16.0-77-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.14.1-0ubuntu3.21
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: XFCE
  Date: Fri Aug 26 23:28:52 2016
  InstallationDate: Installed on 2015-07-05 (417 days ago)
  InstallationMedia: Xubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  PackageArchitecture: allSourcePackage: ubuntu-release-upgrader
  Symptom: dist-upgrade
  UpgradeStatus: No upgrade log present (probably fresh install)
  mtime.conffile..etc.update.manager.release.upgrades: 2016-08-09T22:23:11.744680

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