[Bug 1858506] Re: package linux-firmware 1.175.6 failed to install/upgrade: installed linux-firmware package post-installation script subprocess returned error exit status 1

[Ubuntu Foundations Team Bug Bot]

Thank you for taking the time to report this bug and helping to make
Ubuntu better.  The version of update-initramfs that you likely have
installed is unable to work on a persistent usb stick.  You can resolve
this issue by upgrading the version of casper on your system. This can
be done via the commands:

sudo apt-get update; sudo apt-get install casper

Then performing the software update or installation that you were
originally trying.  If this does not resolve your bug please set its
status back to New.  Thanks in advance!

** Tags added: needs-new-casper

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

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https://bugs.launchpad.net/bugs/1858506

Title:
  package linux-firmware 1.175.6 failed to install/upgrade: installed
  linux-firmware package post-installation script subprocess returned
  error exit status 1

Status in initramfs-tools package in Ubuntu:
  Invalid

Bug description:
  trying to upgrade ubuntu on a usb stick.

  Description:	Ubuntu 18.10
  Release:	18.10

  linux-firmware:
    Installed: 1.175.6
    Candidate: 1.175.6
    Version table:
   *** 1.175.6 500
          500 http://security.ubuntu.com/ubuntu cosmic-security/main amd64 Packages
          500 http://archive.ubuntu.com/ubuntu cosmic-updates/main amd64 Packages
          100 /var/lib/dpkg/status
       1.175 500
          500 http://archive.ubuntu.com/ubuntu cosmic/main amd64 Packages

  I expected the package to upgrade
  I received an error message saying the package failed to install

  ProblemType: Package
  DistroRelease: Ubuntu 18.10
  Package: linux-firmware 1.175.6
  ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
  Uname: Linux 4.18.0-10-generic x86_64
  ApportVersion: 2.20.10-0ubuntu13.4
  Architecture: amd64
  CasperVersion: 1.399
  Date: Mon Jan  6 22:31:46 2020
  Dependencies:
   
  ErrorMessage: installed linux-firmware package post-installation script subprocess returned error exit status 1
  LiveMediaBuild: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3)
  PackageArchitecture: all
  Python3Details: /usr/bin/python3.6, Python 3.6.8, python3-minimal, 3.6.7-1~18.10
  PythonDetails: N/A
  RelatedPackageVersions:
   dpkg 1.19.0.5ubuntu5
   apt  1.7.5
  SourcePackage: initramfs-tools
  Title: package linux-firmware 1.175.6 failed to install/upgrade: installed linux-firmware package post-installation script subprocess returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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