[Bug 1902244] Autopkgtest regression report (mesa/20.2.1-1~ubuntu0.20.04.1)

[Ubuntu SRU Bot]

All autopkgtests for the newly accepted mesa (20.2.1-1~ubuntu0.20.04.1) for focal have finished running.
The following regressions have been reported in tests triggered by the package:

wlroots/0.10.0-2 (s390x, arm64, armhf, amd64)
konsole/unknown (armhf)
clutter-1.0/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/focal/update_excuses.html#mesa

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

Thank you!

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https://bugs.launchpad.net/bugs/1902244

Title:
  Backport packages for 20.04.1 HWE stack

Status in libclc package in Ubuntu:
  Invalid
Status in libdrm package in Ubuntu:
  Invalid
Status in libglvnd package in Ubuntu:
  Invalid
Status in llvm-toolchain-11 package in Ubuntu:
  Invalid
Status in mesa package in Ubuntu:
  Invalid
Status in xorg-server package in Ubuntu:
  Invalid
Status in libclc source package in Focal:
  Fix Committed
Status in libdrm source package in Focal:
  Fix Committed
Status in libglvnd source package in Focal:
  Fix Committed
Status in llvm-toolchain-11 source package in Focal:
  Fix Committed
Status in mesa source package in Focal:
  Fix Committed
Status in xorg-server source package in Focal:
  Confirmed

Bug description:
  [Impact]

  These are needed for 20.04.1 images.

  [Test case]

  Boot a daily image, see that it still has the necessary stack
  installed and working.

  Check upgrade from stock bionic.

  [Regression potential]

  libdrm: very minimal chance for regressions

  llvm-11: a new package, no regression potential on it's own

  libclc: just a rebuild against the new llvm

  libglvnd: mostly just EGL headers sync from Khronos, needed by mesa

  mesa: a new major release, but we'll pull the final stable release of
  20.2.x series, so there shouldn't be any regressions left at that
  point

  xserver: a new point-release

  xorg drivers: modest updates, if any

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