[Bug 1914217] Re: 20.04.2 studio images FTBFS: "No kernel output for lowlatency-hwe-20.04!"

[Łukasz Zemczak]

As this is a bin-copy from the Bileto PPA, I managed to verify the fix
before accepting the package into focal-proposed (2.664.15). The
following ubuntustudio-dvd build passed:

https://launchpad.net/~sil2100/+livefs/ubuntu/focal/ubuntu-
mate/+build/258632

(ignore the livefs name, the project has been overriden to
'ubuntustudio-dvd)

** Tags removed: verification-needed verification-needed-focal
** Tags added: verification-done verification-done-focal

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https://bugs.launchpad.net/bugs/1914217

Title:
  20.04.2 studio images FTBFS: "No kernel output for lowlatency-
  hwe-20.04!"

Status in livecd-rootfs package in Ubuntu:
  Opinion
Status in livecd-rootfs source package in Focal:
  Fix Committed

Bug description:
  [Impact]

  Studio images for 20.04.2 FTBFS, this is due to us not really
  supporting hwe lowlatency kernels in livecd-rootfs (we never enabled
  studio for hwe before it seems?).

  [Test Case]

  Start a livefs ubuntustudio build with the proposed livecd-rootfs and
  make sure that it's built correctly. Make sure that the HWE kernel is
  present in the manifest file as expected.

  [Where problems can occur]

  It's a rather self contained fix, but a typo or similar can cause
  build failures for other flavours or (almost impossible) other
  flavours getting the wrong kernels pulled into their livefs.

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