Marking as Invalid because the release is EOL is not correct. Marking as Incomplete. Also, 18.04 is (at the time of writing) still in development, and you should expect some breakage. https://wiki.ubuntu.com/Bugs/Responses#Release_has_reached_End_of_Life_.28EOL.29
Reporter, is this still present on 17.10 or 16.04? ** Changed in: linux-firmware (Ubuntu) Status: Invalid => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-firmware in Ubuntu. https://bugs.launchpad.net/bugs/1681168 Title: package linux-firmware 1.161.1 failed to install/upgrade: subprocess installed post-installation script was killed by signal (Terminated) Status in linux-firmware package in Ubuntu: Incomplete Bug description: Linux upgrade failed at restart. ProblemType: Package DistroRelease: Ubuntu 16.10 Package: linux-firmware 1.161.1 ProcVersionSignature: Ubuntu 4.8.0-46.49-generic 4.8.17 Uname: Linux 4.8.0-46-generic x86_64 ApportVersion: 2.20.3-0ubuntu8.2 Architecture: amd64 Date: Sat Apr 8 22:58:42 2017 Dependencies: ErrorMessage: subprocess installed post-installation script was killed by signal (Terminated) InstallationDate: Installed on 2017-04-09 (0 days ago) InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2) PackageArchitecture: all RelatedPackageVersions: dpkg 1.18.10ubuntu1 apt 1.3.4 SourcePackage: linux-firmware Title: package linux-firmware 1.161.1 failed to install/upgrade: subprocess installed post-installation script was killed by signal (Terminated) UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1681168/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp