[Bug 1977764] Re: kernel modules "zstd" and "z3fold" missing.

[Dave Jones]

Doh -- that one's my fault; included it in the kernel command line and
completely forgot to include a patch in ubuntu-raspi-settings to add it
to the set of modules for initramfs-tools to include in the initrd.

The workaround for now:

$ sudo -i
# echo zstd >> /etc/initramfs-tools/modules
# echo z3fold >> /etc/initramfs-tools/modules
# update-initramfs -u

I'll try and get this added to ubuntu-raspi-settings shortly.

** Also affects: initramfs-tools (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: initramfs-tools (Ubuntu Kinetic)
   Importance: Undecided
       Status: New

** Also affects: linux-raspi (Ubuntu Kinetic)
   Importance: Undecided
       Status: New

** Also affects: initramfs-tools (Ubuntu Jammy)
   Importance: Undecided
       Status: New

** Also affects: linux-raspi (Ubuntu Jammy)
   Importance: Undecided
       Status: New

** Changed in: initramfs-tools (Ubuntu Kinetic)
     Assignee: (unassigned) => Dave Jones (waveform)

** Changed in: initramfs-tools (Ubuntu Jammy)
     Assignee: (unassigned) => Dave Jones (waveform)

** Also affects: ubuntu-settings (Ubuntu)
   Importance: Undecided
       Status: New

** No longer affects: initramfs-tools (Ubuntu)

** No longer affects: initramfs-tools (Ubuntu Kinetic)

** No longer affects: initramfs-tools (Ubuntu Jammy)

** Changed in: ubuntu-settings (Ubuntu Jammy)
     Assignee: (unassigned) => Dave Jones (waveform)

** Changed in: ubuntu-settings (Ubuntu Kinetic)
     Assignee: (unassigned) => Dave Jones (waveform)

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https://bugs.launchpad.net/bugs/1977764

Title:
  kernel modules "zstd" and "z3fold" missing.

Status in linux-raspi package in Ubuntu:
  New
Status in ubuntu-settings package in Ubuntu:
  New
Status in linux-raspi source package in Jammy:
  New
Status in ubuntu-settings source package in Jammy:
  New
Status in linux-raspi source package in Kinetic:
  New
Status in ubuntu-settings source package in Kinetic:
  New

Bug description:
  The modules "zstd" and "z3fold" are missing despite being configured
  for zswap in "/boot/firmware/cmdline.txt." Messages appear on boot
  display that state they do not exist and so instead use compressor
  "lzo" and pool "zbud".

  Ubuntu version is 22.04 LTS flashed from the official image.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: linux-image-5.15.0-1008-raspi 5.15.0-1008.8
  ProcVersionSignature: Ubuntu 5.15.0-1008.8-raspi 5.15.30
  Uname: Linux 5.15.0-1008-raspi aarch64
  ApportVersion: 2.20.11-0ubuntu82.1
  Architecture: arm64
  CasperMD5CheckResult: unknown
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Jun  6 17:29:00 2022
  ImageMediaBuild: 20220419
  SourcePackage: linux-raspi
  UpgradeStatus: No upgrade log present (probably fresh install)

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