[Bug 1685186] Re: [SRU] Mir needs to be updated to 0.26 in 16.04LTS

Łukasz Zemczak 1685186 at bugs.launchpad.net
Fri May 12 14:26:48 UTC 2017


** Also affects: mir (Ubuntu Xenial)
   Importance: Undecided
       Status: New

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Title:
  [SRU] Mir needs to be updated to 0.26 in 16.04LTS

Status in mir package in Ubuntu:
  In Progress
Status in mir source package in Xenial:
  New

Bug description:
  [Impact]
  Snap development using Mir has been using the "stable phone overlay" PPA which is both inconvenient and a legacy of the cancelled Unity8 project.

  It would greatly simplify things if Mir were updated in the Xenial
  archive.

  [Test Case]

  Build a Mir client snap (e.g. lp:~albaguirre/+snap/mir-client-demos)
  against "Primary Ubuntu Archive" and deploy as described in
  https://developer.ubuntu.com/en/snappy/guides/mir-snaps/

  Expected: the client apps start and are visible on screen
  Actual: the client apps don't start and are not visible on screen

  [Regression Potential]
  Mir has two categories of dependent project:

    1 Unity8 and unity-system-compositor "server" packages
    2 toolkits and other "clients" of Mir

  "Server" packages from the archive will stop working in the LTS as
  they will continue using the earlier libmirserver.so.38 (from Mir
  0.21) which doesn't work with the libmirclient.so.9 from Mir 0.26.
  This is unimportant as these packages were provided as an "early
  experience", not for serious use.

  "Client" packages are dependent only on libmirclient.so.9 which is ABI
  stable. The principle type of regression would be FTBFS where APIs
  have been deprecated in 0.26. The linked 0.26.3 release has these
  deprecations disabled for 16.04.

  The packages are available in silo:
  https://bileto.ubuntu.com/#/ticket/2736

  notes:

  A recursive search or rdependencies identifies the following packages
  in category 1:

  camera-app-autopilot
  gallery-app-autopilot
  indicator-network-autopilot
  indicators-client
  qtdeclarative5-qtmir-plugin
  qtmir-android
  qtmir-desktop
  qtmir-tests
  ubuntu-desktop-mir
  ubuntu-experience-tests
  ubuntu-pocket-desktop
  ubuntu-push-autopilot
  ubuntu-touch
  ubuntu-touch-session
  unity8
  unity8-autopilot
  unity8-desktop-session-mir
  unity-scope-click-autopilot
  unity-system-compositor
  unity-system-compositor-autopilot

  Anyone wanting these packages should switch to the "unity8-desktop-
  session" preview package in 17.04 where they are far more functional.

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