** Description changed:
- On a fairly fresh install of 18.04 with no modifications whatsoever to
- the unattended-upgrades configuration, it decided to remove linux-image-
- generic which also removed linux-modules-extra which caused sound
- drivers to disappear, etc.
+ [Impact]
+ If a user accidentally removed linux-generic, unattended-upgrades will also
autoremove linux-image-generic, leaving them without kernel upgrades.
+
+ [Test Case]
+ 1. Remove all reverse dependencies of linux-image-generic
+ 2. Mark linux-image-generic as automatically installed
+ 3. Run unattended-upgrades -v --dry-run --debug to ensure that
linux-image-generic is not removed (after verifying that it is, with old apt)
+
+ [Regression potential]
+ This adds two regular expressions to the list of packages that must not be
automatically removed. As such, the only possible regression is that some
packages starting with linux-image, not containing any dots, are not removed
+
+ [Original bug report]
+ On a fairly fresh install of 18.04 with no modifications whatsoever to the
unattended-upgrades configuration, it decided to remove linux-image-generic
which also removed linux-modules-extra which caused sound drivers to disappear,
etc.
The relative snippet from /var/log/unattended-upgrades/unattended-
upgrades.log is:
2018-08-15 06:18:00,048 INFO Starting unattended upgrades script
2018-08-15 06:18:00,048 INFO Allowed origins are: o=Ubuntu,a=bionic,
o=Ubuntu,a=bionic-security, o=UbuntuESM,a=bionic
2018-08-15 06:18:01,552 INFO Removing unused kernel packages:
linux-headers-generic linux-image-generic linux-headers-4.15.0-32-generic
linux-headers-4.15.0-32
2018-08-15 06:18:01,588 WARNING Keeping auto-removable linux-headers-generic
package(s) because it would also remove the following packages which should be
kept in this step: libxml2 linux-image-4.15.0-32-generic
linux-modules-4.15.0-32-generic linux-modules-extra-4.15.0-32-generic
2018-08-15 06:18:09,476 INFO Packages that were successfully auto-removed:
linux-headers-4.15.0-32 linux-headers-4.15.0-32-generic linux-headers-generic
linux-image-generic
2018-08-15 06:18:09,477 INFO Packages that are kept back:
linux-headers-generic
2018-08-15 06:18:10,300 INFO Packages that will be upgraded: libxml2
linux-image-generic
2018-08-15 06:18:10,300 INFO Writing dpkg log to
/var/log/unattended-upgrades/unattended-upgrades-dpkg.log
2018-08-15 06:18:39,238 INFO All upgrades installed
2018-08-15 06:18:42,818 INFO Packages that were successfully auto-removed:
linux-image-generic linux-modules-extra-4.15.0-32-generic
2018-08-15 06:18:42,818 INFO Packages that are kept back:
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: unattended-upgrades 1.1ubuntu1.18.04.5
ProcVersionSignature: Ubuntu 4.15.0-32.35-generic 4.15.18
Uname: Linux 4.15.0-32-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.9-0ubuntu7.3
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Thu Aug 16 13:17:30 2018
InstallationDate: Installed on 2018-07-24 (23 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64
(20180724)
PackageArchitecture: all
ProcEnviron:
- TERM=xterm
- PATH=(custom, no user)
- XDG_RUNTIME_DIR=<set>
- LANG=en_US.UTF-8
- SHELL=/bin/bash
+ TERM=xterm
+ PATH=(custom, no user)
+ XDG_RUNTIME_DIR=<set>
+ LANG=en_US.UTF-8
+ SHELL=/bin/bash
SourcePackage: unattended-upgrades
UpgradeStatus: No upgrade log present (probably fresh install)
** Changed in: apt (Ubuntu Cosmic)
Status: New => Triaged
** Changed in: apt (Ubuntu Bionic)
Status: New => Triaged
** Changed in: apt (Ubuntu Xenial)
Status: New => Triaged
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https://bugs.launchpad.net/bugs/1787460
Title:
Unattended upgrades removed linux-image-generic
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