[Bug 1624644] Please test proposed package
Łukasz Zemczak
1624644 at bugs.launchpad.net
Thu Dec 13 15:49:00 UTC 2018
Hello Jarno, or anyone else affected,
Accepted unattended-upgrades into xenial-proposed. The package will
build now and be available at https://launchpad.net/ubuntu/+source
/unattended-upgrades/1.1ubuntu1.18.04.7~16.04.1 in a few hours, and then
in the -proposed repository.
Please help us by testing this new package. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed. Your feedback will aid us getting this
update out to other Ubuntu users.
If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-xenial to verification-done-xenial. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-xenial. In either case, without details of
your testing we will not be able to proceed.
Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in
advance for helping!
N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.
--
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to unattended-upgrades in Ubuntu.
https://bugs.launchpad.net/bugs/1624644
Title:
By default settings unattended-upgrade does not automatically remove
packages that become unused in conjunction with updating by other
software
Status in apt package in Ubuntu:
Confirmed
Status in gnome-software package in Ubuntu:
Invalid
Status in unattended-upgrades package in Ubuntu:
Fix Released
Status in update-manager package in Ubuntu:
Fix Released
Status in unattended-upgrades source package in Xenial:
Fix Committed
Status in update-manager source package in Xenial:
Fix Released
Status in apt source package in Artful:
Confirmed
Status in gnome-software source package in Artful:
Invalid
Status in unattended-upgrades source package in Artful:
Won't Fix
Status in update-manager source package in Artful:
Fix Released
Bug description:
[Impact]
* Update-manager and unattended-upgrades install many kernel packages during the lifetime of a release but does not remove them automatically leading to those packages filling disk space potentially completely filling /boot and making the system unable to install updates or even boot.
* Stable release users are impacted by this bug for years and their systems already collected many autoremovable unused kernel packages, thus they would benefit from backporting the fix greatly.
* The bug is fixed by removing autoremovable (not currently booted) kernel packages when running unattended-upgrades or update-manager. Update manager offers the kernel removals when there are other updates to be installed.
[Test Case]
1. Install kernel packages to be removed, mark them auto-installed
and run apt's kernel hook script to make apt consider them
autoremovable:
sudo apt install -y linux-image-extra-4.4.0-92-generic linux-image-extra-4.4.0-93-generic
sudo apt-mark auto linux-image-extra-4.4.0-92-generic linux-image-extra-4.4.0-93-generic
sudo /etc/kernel/postinst.d/apt-auto-removal
2. Also downgrade a package to be upgraded:
sudo apt-get install -y --allow-downgrades ca-
certificates=20160104ubuntu1
3. (update-manager). Run update-manager and observe that kernel
packages are offered for removal in Details of updates.
sudo update-manager
4. (update-manager) Click on Install Now and observe that the kernel
packages are removed.
3. (unattended-upgrades, the fix comes in an update of u-u) Run
unattended-upgrades manually and observe the removal of the
autoremovable kernel packages:
sudo unattended-upgrade -v
[Regression Potential]
The change may cause update-manager or unattanded-upgrades to remove
used kernel packages or fail to install other package updates.
[Other Info]
The unattended-upgrades fix is uploaded with many other fixes and
those may cause regressions in other areas in unattended-upgrades.
[Original bug text]
When using default settings for unattended-upgrade i.e.
Unattended-Upgrade::Remove-Unused-Dependencies "false";
# default "false"
Unattended-Upgrade::Remove-New-Unused-Dependencies "true";
# default "true"
in configuration file /etc/apt/apt.conf.d/50unattended-upgrades,
unattended-upgrade is unable to remove packages that become unused in conjunction with updating by other software such as update-manager or apt full-upgrade. This is because unattended-upgrade compares the list of unneeded packages before and after it upgrades packages to detect which packages are new unused ones.
Consequently, if user installs new kernels using e.g. update-manager,
the excessive kernels will not be removed by unattended-upgrade, and
eventually (small) /boot will become full.
Expected behavior: handle removing of unused packages differently at
least until other package management software installed by default can
handle removing of new unused packages.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: unattended-upgrades 0.90
ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
Uname: Linux 4.4.0-36-generic i686
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: i386
CurrentDesktop: XFCE
Date: Sat Sep 17 11:28:44 2016
InstallationDate: Installed on 2016-09-05 (11 days ago)
InstallationMedia: Mythbuntu 16.04.1 LTS "Xenial Xerus" - Release i386 (20160719)
PackageArchitecture: all
SourcePackage: unattended-upgrades
UpgradeStatus: No upgrade log present (probably fresh install)
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