[Bug 1658352] Re: package initramfs-tools 0.103ubuntu4.7 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1.

[Steve Beattie]

>From the dpkg terminal log, the error that's occurring is:

  Processing triggers for initramfs-tools (0.103ubuntu4.7) ...
  update-initramfs: Generating /boot/initrd.img-3.13.0-108-generic
  E: /usr/share/initramfs-tools/hooks/casper-memdisk failed with return 1.
  update-initramfs: failed for /boot/initrd.img-3.13.0-108-generic with 1.
  dpkg: error processing package initramfs-tools (--configure):
   subprocess installed post-installation script returned error exit status 1

The casper-memdisk bit should not be necessary; it's likely that issuing
the following commands will resolve the problem you're seeing:

sudo dpkg -P casper-memdisk
sudo apt-get install -f
sudo update-grub

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https://bugs.launchpad.net/bugs/1658352

Title:
  package initramfs-tools 0.103ubuntu4.7 failed to install/upgrade:
  subprocess installed post-installation script returned error exit
  status 1.

Status in initramfs-tools package in Ubuntu:
  New

Bug description:
  whenever i try to upgrade my operating system from ubuntu 14.04 to
  16.04 error show "could not install initramfs-tools", "could not
  install linux-firmware" and "could not install linux-
  image-4.4.0-59-generic" and te upgrade is failed show could not
  install upgrade

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: initramfs-tools 0.103ubuntu4.7
  ProcVersionSignature: Ubuntu 3.13.0-108.155-generic 3.13.11-ckt39
  Uname: Linux 3.13.0-108-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.23
  Architecture: amd64
  Date: Sat Jan 21 23:52:45 2017
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-trusty-amd64-20140620-0
  DuplicateSignature: package:initramfs-tools:0.103ubuntu4.7:subprocess installed post-installation script returned error exit status 1
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  InstallationDate: Installed on 2017-01-14 (7 days ago)
  InstallationMedia: Ubuntu 14.04 "Trusty" - Build amd64 LIVE Binary 20140620-04:25
  PackageArchitecture: all
  RelatedPackageVersions:
   dpkg 1.17.5ubuntu5.7
   apt  1.0.1ubuntu2.17
  SourcePackage: initramfs-tools
  Title: package initramfs-tools 0.103ubuntu4.7 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
  UpgradeStatus: Upgraded to xenial on 2017-01-21 (0 days ago)

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