[Bug 1942703] Re: Remove-Unused-Kernel-Packages leaves unused linux-hwe-.*-headers-.* packages around

[Jarno Suni]

** Bug watch added: github.com/mvo5/unattended-upgrades/issues #302
   https://github.com/mvo5/unattended-upgrades/issues/302

** Also affects: unattended-upgrades via
   https://github.com/mvo5/unattended-upgrades/issues/302
   Importance: Unknown
       Status: Unknown

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Title:
  Remove-Unused-Kernel-Packages leaves unused linux-hwe-.*-headers-.*
  packages around

Status in unattended-upgrades:
  Unknown
Status in unattended-upgrades package in Ubuntu:
  New

Bug description:
  If user has linux-generic-hwe-18.04 installed, versioned linux-headers
  packages depend on versioned linux-hwe-5.4-headers packages that will
  not get removed. Consequently in time there will be hundreds of
  thousands of unused files under /usr/src. For example I have about
  450000 totalling 1.4 GB. The number of inodes may be bigger issue,
  because file systems have some limitations.

  I noted the issue when using my linux-purge tool. It is supposed to be
  able to remove kernels, even if the file system runs out of inodes.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: unattended-upgrades 1.1ubuntu1.18.04.14
  ProcVersionSignature: Ubuntu 5.4.0-81.91~18.04.1-generic 5.4.128
  Uname: Linux 5.4.0-81-generic i686
  ApportVersion: 2.20.9-0ubuntu7.24
  Architecture: i386
  Date: Sun Sep  5 14:38:49 2021
  InstallationDate: Installed on 2016-09-05 (1826 days ago)
  InstallationMedia: Mythbuntu 16.04.1 LTS "Xenial Xerus" - Release i386 (20160719)
  PackageArchitecture: all
  SourcePackage: unattended-upgrades
  UpgradeStatus: Upgraded to bionic on 2019-04-06 (882 days ago)
  modified.conffile..etc.apt.apt.conf.d.10periodic: [modified]
  mtime.conffile..etc.apt.apt.conf.d.10periodic: 2018-03-26T11:42:30.041160

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