[Bug 1773476] Re: linux-firmware 1.157.19 attempts to generate /boot/initrd.img-4.8.0-56, /boot/initrd.img-4.8.0 when no corresponding vmlinuz present

[B. C. Schmerker]

Actually would have been a bug against either apt or dpkg, which failed
to clean up /var after Kernel package removal.  Since upgraded to ubuntu
Focal, closing Bug.


** Changed in: initramfs-tools (Ubuntu)
       Status: Confirmed => Invalid

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Title:
  linux-firmware 1.157.19 attempts to generate
  /boot/initrd.img-4.8.0-56, /boot/initrd.img-4.8.0 when no
  corresponding vmlinuz present

Status in initramfs-tools package in Ubuntu:
  Invalid

Bug description:
  With LinUX Images/-Extras 4.15.0-22-generic, 4.13.0-43-generic,
  4.8.0-58-generic, 4.8.0-56-generic, and 4.4.0-127-generic installed,
  sudo dpkg-reconfigure linux-firmware returns the following to Console:

  update-initramfs: Generating /boot/initrd.img-4.15.0-22-generic
  update-initramfs: Generating /boot/initrd.img-4.13.0-43-generic
  update-initramfs: Generating /boot/initrd.img-4.8.0-58-generic
  update-initramfs: Generating /boot/initrd.img-4.8.0-56-generic
  update-initramfs: Generating /boot/initrd.img-4.8.0-56
  WARNING: missing /lib/modules/4.8.0-56
  Ensure all necessary drivers are built into the linux image!
  depmod: ERROR: could not open directory /lib/modules/4.8.0-56: No such file or directory
  depmod: FATAL: could not search modules: No such file or directory
  depmod: WARNING: could not open /var/tmp/mkinitramfs_AlVft4/lib/modules/4.8.0-56/modules.order: No such file or directory
  depmod: WARNING: could not open /var/tmp/mkinitramfs_AlVft4/lib/modules/4.8.0-56/modules.builtin: No such file or directory
  update-initramfs: Generating /boot/initrd.img-4.8.0
  WARNING: missing /lib/modules/4.8.0
  Ensure all necessary drivers are built into the linux image!
  depmod: ERROR: could not open directory /lib/modules/4.8.0: No such file or directory
  depmod: FATAL: could not search modules: No such file or directory
  depmod: WARNING: could not open /var/tmp/mkinitramfs_OwnjIb/lib/modules/4.8.0/modules.order: No such file or directory
  depmod: WARNING: could not open /var/tmp/mkinitramfs_OwnjIb/lib/modules/4.8.0/modules.builtin: No such file or directory
  update-initramfs: Generating /boot/initrd.img-4.4.0-127-generic

  Same configuration report for "Setting up linux-firmware..." with sudo
  apt(-get) install (--reinstall) linux-firmware and sudo apt-get
  upgrade linux-firmware.  Therefore:

  Reproducible: Always
  Steps to reproduce: sudo apt install (--reinstall) linux-firmware or sudo dpkg-reconfigure linux-firmware.
  Actual results, excepting actually installed Kernel Image packages:

  update-initramfs: Generating /boot/initrd.img-4.8.0-56
  WARNING: missing /lib/modules/4.8.0-56
  Ensure all necessary drivers are built into the linux image!
  depmod: ERROR: could not open directory /lib/modules/4.8.0-56: No such file or directory
  depmod: FATAL: could not search modules: No such file or directory
  depmod: WARNING: could not open /var/tmp/mkinitramfs_AlVft4/lib/modules/4.8.0-56/modules.order: No such file or directory
  depmod: WARNING: could not open /var/tmp/mkinitramfs_AlVft4/lib/modules/4.8.0-56/modules.builtin: No such file or directory
  update-initramfs: Generating /boot/initrd.img-4.8.0
  WARNING: missing /lib/modules/4.8.0
  Ensure all necessary drivers are built into the linux image!
  depmod: ERROR: could not open directory /lib/modules/4.8.0: No such file or directory
  depmod: FATAL: could not search modules: No such file or directory
  depmod: WARNING: could not open /var/tmp/mkinitramfs_OwnjIb/lib/modules/4.8.0/modules.order: No such file or directory
  depmod: WARNING: could not open /var/tmp/mkinitramfs_OwnjIb/lib/modules/4.8.0/modules.builtin: No such file or directory

  Expected results, excepting actually installed Kernel Image packages:

  No attempt to generate /boot/initrd.img for missing kernels, thus no
  warnings, errors or fatals.

  UPDATE:  Solved via sudo rm -rf /var/lib/initramfs-tools/4.8.0 && sudo
  rm -rf /var/lib/initramfs-tools/4.8.0-56.  Recommend check for bug(s)
  in apt and dpkg of which this Bug may be a depend, as automatic
  housecleaning failed me in this specific case.

  ---
  ApportVersion: 2.20.1-0ubuntu2.17
  Architecture: amd64
  CurrentDesktop: Unity
  Dependencies:

  DistroRelease: Ubuntu 16.04
  InstallationDate: Installed on 2017-05-17 (373 days ago)
  InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
  Package: linux-firmware 1.157.19 [origin: unknown]
  PackageArchitecture: all
  ProcVersionSignature: Ubuntu 4.15.0-22.24~16.04.1-generic 4.15.17
  Tags: xenial third-party-packages
  Uname: Linux 4.15.0-22-generic x86_64
  UnreportableReason: This is not an official Ubuntu package. Please remove any third party package and try again.
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True

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