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[Ubuntu Foundations Team Bug Bot <1455287@xxxxxxxxxxxxxxxxxx>]

Thank you for taking the time to report this bug and helping to make
Ubuntu better.  It seems that there was an error on your system when
trying to install a particular package.  Please execute the following
command, as it will clear your package cache, in a terminal:

sudo apt-get clean

Then try performing the update again.  This will likely resolve your
issue, but the failure could be caused by filesystem or memory
corruption.  So please also run a fsck on your filesystem(s) and a
memory test.  Thanks in advance!

[This is an automated message.  I apologize if it reached you
inappropriately; please just reply to this message indicating so.]

** Tags added: corrupted-package

** Changed in: linux-signed (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1455287

Title:
  package linux-signed-image-3.16.0-37-generic 3.16.0-37.49 failed to
  install/upgrade: cannot copy extracted data for
  './usr/lib/linux/vmlinuz-3.16.0-37-generic.efi.signature' to
  '/usr/lib/linux/vmlinuz-3.16.0-37-generic.efi.signature.dpkg-new':
  unexpected end of file or stream

Status in linux-signed package in Ubuntu:
  Invalid

Bug description:
  Not sure what instigated this error.  Issue occurred while reading a
  web article but I have a feeling that the issue was related to a
  background software update check

  ProblemType: Package
  DistroRelease: Ubuntu 14.10
  Package: linux-signed-image-3.16.0-37-generic 3.16.0-37.49
  ProcVersionSignature: Ubuntu 3.16.0-37.49-generic 3.16.7-ckt9
  Uname: Linux 3.16.0-37-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8.4
  Architecture: amd64
  Date: Thu May 14 19:40:34 2015
  DpkgTerminalLog:
   Log started: 2015-05-05  16:18:00
   Log ended: 2015-05-05  16:20:08
   
   Log started: 2015-05-14  19:40:32
  ErrorMessage: cannot copy extracted data for './usr/lib/linux/vmlinuz-3.16.0-37-generic.efi.signature' to '/usr/lib/linux/vmlinuz-3.16.0-37-generic.efi.signature.dpkg-new': unexpected end of file or stream
  InstallationDate: Installed on 2014-10-28 (198 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  SourcePackage: linux-signed
  Title: package linux-signed-image-3.16.0-37-generic 3.16.0-37.49 failed to install/upgrade: cannot copy extracted data for './usr/lib/linux/vmlinuz-3.16.0-37-generic.efi.signature' to '/usr/lib/linux/vmlinuz-3.16.0-37-generic.efi.signature.dpkg-new': unexpected end of file or stream
  UpgradeStatus: No upgrade log present (probably fresh install)

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