[Bug 1597661] Re: When /boot is full, repeated mkinitramfs runs can fill up /

[Scott Emmons]

The commit for this in upstream Debian (0.123 version of initramfs-
tools) is here: https://anonscm.debian.org/cgit/kernel/initramfs-
tools.git/commit/?id=ac6d31fc2c707b72ff8af9944c9b4f8af303a6a3 - I would
be happy to make a patch for this commit to xenial (zesty and later has
0.125+, so should already include the fix).

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Title:
  When /boot is full, repeated mkinitramfs runs can fill up /

Status in One Hundred Papercuts:
  Confirmed
Status in initramfs-tools:
  Confirmed
Status in initramfs-tools package in Ubuntu:
  Confirmed
Status in initramfs-tools package in Debian:
  Fix Released

Bug description:
  My /boot partition filled up so when I (or unattended upgrades) next
  attempted to install a kernel, it failed.  On failure, mkinitramfs
  leaves a temporary directory in /var/tmp.

  If you (or unattended upgrades) do this enough times, you can end up
  with substantial, non-obvious disk usage.

  (I believe that this is fixed in Debian: https://bugs.debian.org/cgi-
  bin/bugreport.cgi?bug=814345)

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: initramfs-tools 0.122ubuntu8
  ProcVersionSignature: Ubuntu 4.4.0-28.47-generic 4.4.13
  Uname: Linux 4.4.0-28-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  Date: Thu Jun 30 09:12:45 2016
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-07-30 (700 days ago)
  InstallationMedia: Ubuntu-Server 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.3)
  PackageArchitecture: all
  SourcePackage: initramfs-tools
  UpgradeStatus: Upgraded to xenial on 2016-03-07 (114 days ago)

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