[Bug 2028306] Re: Upgrade from 18.04 to 20.04 installs gke kernel

[Steve Langasek]

https://launchpadlibrarian.net/678177756/VarLogDistupgradeAptlog.txt
shows the user did have the correct metapackage installed prior to
upgrade.

MarkInstall linux-generic-hwe-18.04:amd64 < 5.4.0.150.167~18.04.121 -> 5.4.0.153.150 @ii umU Ib > FU=0
  Installing linux-generic as Depends of linux-generic-hwe-18.04
    MarkInstall linux-generic:amd64 < none -> 5.4.0.153.150 @un uN > FU=0

https://launchpadlibrarian.net/678177763/VarLogDistupgradeMainlog.txt
shows that u-r-u is pulling in linux-gke anyway:

2023-07-20 19:50:06,656 INFO installing linux metapackage: linux-gke
2023-07-20 19:50:06,656 DEBUG Installing 'linux-gke' (linux metapackage may have been accidentally uninstalled)

This is because there were gke packages present on the system before the
upgrade.

  MarkPurge linux-modules-5.3.0-1045-gke:amd64 < 5.3.0-1045.48 @ii mK > FU=1
Starting pkgProblemResolver with broken count: 1
Starting 2 pkgProblemResolver with broken count: 1
Investigating (0) linux-image-unsigned-5.3.0-1045-gke:amd64 < 5.3.0-1045.48 @ii mK Ib >
Broken linux-image-unsigned-5.3.0-1045-gke:amd64 Depends on linux-modules-5.3.0-1045-gke:amd64 < 5.3.0-1045.48 @ii pmP >
  Considering linux-modules-5.3.0-1045-gke:amd64 10001 as a solution to linux-image-unsigned-5.3.0-1045-gke:amd64 -2
  Removing linux-image-unsigned-5.3.0-1045-gke:amd64 rather than change linux-modules-5.3.0-1045-gke:amd64
  MarkDelete linux-image-unsigned-5.3.0-1045-gke:amd64 < 5.3.0-1045.48 @ii mK Ib > FU=0
Done

u-r-u tries to make sure that the metapackage for the "most recent"
kernel is present.

It seems to figure this wrong because it doesn't know how to handle the
hwe-named metapackages, where the hwe-* suffix doesn't match the per-ABI
package name pattern.

So it appears to be the combination of having a stale gke kernel
installed (5.3, which is newer than the version in Ubuntu 18.04 LTS but
older than the version in Ubuntu 20.04 LTS), plus the use of an HWE
kernel, that triggers this.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Triaged

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https://bugs.launchpad.net/bugs/2028306

Title:
  Upgrade from 18.04 to 20.04 installs gke kernel

Status in ubuntu-release-upgrader package in Ubuntu:
  Triaged

Bug description:
  - Upgraded 18.04 to 20.04 using the graphical upgrader
  - Upgrade seems to have installed the gke kernel, thus wrong graphics driver and no Wifi connectivity
  - Upon removing the gke kernel, system runs as expected

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.41
  ProcVersionSignature: Ubuntu 5.4.0-153.170-generic 5.4.235
  Uname: Linux 5.4.0-153-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.27
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Jul 20 21:48:09 2023
  InstallationDate: Installed on 2020-02-05 (1261 days ago)
  InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2023-07-20 (0 days ago)
  VarLogDistupgradeTermlog:

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