This might be the same as https://bugs.launchpad.net/ubuntu/+source /linux-signed/+bug/1829657 (-145 works, -148 doesn't (-146 boots, but might have other problems))
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1833842 Title: Kernel 4.4.0-151 fails to boot Status in linux-signed package in Ubuntu: New Bug description: On startup, choosing Linux image 4.4.0-151 on grub makes system freeze immediately. Same behaviour with Linux image 4.4.0-150. No problem with Linux image 4.4.0-141. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-151-generic 4.4.0-151.178 ProcVersionSignature: Ubuntu 4.4.0-141.167-generic 4.4.162 Uname: Linux 4.4.0-141-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.18 Architecture: amd64 Date: Sun Jun 23 11:55:00 2019 InstallationDate: Installed on 2015-05-02 (1513 days ago) InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1) ProcEnviron: LANGUAGE=fr_FR TERM=xterm-256color PATH=(custom, no user) LANG=fr_FR.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1833842/+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