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[Ubuntu SRU Bot <2111480@xxxxxxxxxxxxxxxxxx>]

All autopkgtests for the newly accepted wayland-protocols (1.38-1~ubuntu0.24.04.1) for noble have finished running.
The following regressions have been reported in tests triggered by the package:

gtk4/unknown (amd64)


Please visit the excuses page listed below and investigate the failures, proceeding afterwards as per the StableReleaseUpdates policy regarding autopkgtest regressions [1].

https://people.canonical.com/~ubuntu-archive/proposed-
migration/noble/update_excuses.html#wayland-protocols

[1] https://wiki.ubuntu.com/StableReleaseUpdates#Autopkgtest_Regressions

Thank you!

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https://bugs.launchpad.net/bugs/2111480

Title:
  Backport packages for 24.04.3 HWE stack

Status in directx-headers package in Ubuntu:
  Invalid
Status in llvm-toolchain-20 package in Ubuntu:
  Invalid
Status in mesa package in Ubuntu:
  Invalid
Status in spirv-headers package in Ubuntu:
  Invalid
Status in spirv-llvm-translator-20 package in Ubuntu:
  Invalid
Status in spirv-tools package in Ubuntu:
  Invalid
Status in wayland-protocols package in Ubuntu:
  Invalid
Status in directx-headers source package in Noble:
  In Progress
Status in llvm-toolchain-20 source package in Noble:
  Deferred
Status in mesa source package in Noble:
  In Progress
Status in spirv-headers source package in Noble:
  In Progress
Status in spirv-llvm-translator-20 source package in Noble:
  Deferred
Status in spirv-tools source package in Noble:
  In Progress
Status in wayland-protocols source package in Noble:
  Fix Committed

Bug description:
  [Impact]
  The graphics HWE stack from plucky needs to be backported for 24.04.3

  directx-headers
  - backport from plucky
  - bumped build-dep of mesa

  spirv-headers
  - backport from plucky
  - build-dep of new spirv-tools

  spirv-tools
  - backport from plucky
  - has a bugfix that the intel shader compiler needs
  - NOTE! the current version in noble FTBFS even without any updates enabled, but this version builds, hence the full backport instead of just patching the current one

  wayland-protocols
  - bumped build-dep of mesa
  - note: this is NOT the version from plucky, which would require a newer wayland
    as well, but instead the oldest update to make mesa happy

  mesa
  - new major release, last of the series (25.0.7) so it has accumulated all
    the fixes upstream considered worthy for it
  - new HW support, bugfixes

  [Test case]

  We want to cover at least 2-3 different, widely used and already previously supported GPU generations from both AMD and Intel which are supported by this release, as those are the ones that cover most bases; nouveau users tend to switch to the NVIDIA driver after installation. No need to test ancient GPU's supported by mesa-amber. And best to focus on the newer generations (~5y and newer) as the older ones are less likely to break at this point.
  - AMD: Vega, Navi1x (RX5000*), Navi2x (RX6000*), Navi3x (RX7000*)
  - Intel: gen9 (SKL/APL/KBL/CFL/WHL/CML), gen11 (ICL), gen12 (TGL/ADL/RKL/RPL/DG2)

  Install the new packages and run some tests:
  - check that the desktop is still using hw acceleration and hasn't fallen back to swrast/llvmpipe
  - run freely available benchmarks that torture the GPU (Unigine Heaven/Valley/Superposition)
  - run some games from Steam if possible

  and in each case check that there is no gfx corruption happening or
  worse.

  Note that upstream releases have already been tested for OpenGL and
  Vulkan conformance by their CI.

  [Where things could go wrong]
  This is a major update of Mesa, there could be regressions but we'll try to catch any with testing. And since it shares bugs with plucky, we'd already know if there are serious issues.

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