[Bug 1911614] Re: Ubuntu 20.04 and 20.04.1 images use linux-generic-hwe-20.04 instead of linux-generic

[Dave Korman]

This affected me too - it broke the Ubuntu version of Virtualbox.

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Title:
  Ubuntu 20.04 and 20.04.1 images use linux-generic-hwe-20.04 instead of
  linux-generic

Status in ubuntu-meta package in Ubuntu:
  New

Bug description:
  Just as the title says, the 20.04 and 20.04.1 images use the HWE
  version of linux-generic resulting in upgrades to the 5.8 series
  kernel. This seems to effect Ubuntu only, or I should say I checked
  the Kubuntu, Ubuntu Mate, Xubuntu, and Lubuntu iso manifests which all
  correctly list linux-generic. Also HWE is not truly complete without
  the accompanying HWE Xstack.

  I checked all the documentation I could find and this was clearly not
  intentional. In fact the manifest for Ubuntu Focal Beta still used
  linux-generic, so this got messed up some time between April 3, 2020
  and April 23, 2020. Here's just one example of the documentation for
  kernel support in Focal LTS:

  https://ubuntu.com/about/release-cycle#ubuntu-kernel-release-cycle

  Installations performed with 20.04 and 20.04.1 media were supposed to
  remain on the 5.4 series kernel throughout Focal's 5 year lifespan as
  had been the case since HWE was introduced. The first step in fixing
  this needs to be stopping fresh installs of Focal using the 20.04 and
  20.04.1 media from immediately upgrading to the 5.8 series kernel.

  It might be a little tricky to revert users from 5.8 to 5.4, but there
  have been reports of breakage, particularly concerning Broadcom wifi
  drivers and some graphics problems. But the graphics problems could
  also be exacerbated by the lack of the matching HWE Xstack? At any
  rate it's a bug.

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