Could you please attach the relavant part of dpkg history log a and dpkg terminal log?
It is possible, that the last run of u-u/u-m installed kernel packages triggering /etc/kernel/postinst.d/apt-auto-removal which resulted kernels to be removed in the _next_ apt/u-u/u-m run. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to unattended-upgrades in Ubuntu. https://bugs.launchpad.net/bugs/1803587 Title: kernel from bionic did not get autoremoved by either unattended- upgrades or update-manager Status in unattended-upgrades package in Ubuntu: New Status in update-manager package in Ubuntu: New Bug description: I happened to run apt manually on my system this morning to remove a package, and I was informed: The following packages were automatically installed and are no longer required: linux-image-4.15.0-36-generic linux-modules-4.15.0-36-generic linux-modules-extra-4.15.0-36-generic This was surprising, since I have run update-manager yesterday (with no intervening reboot), and unattended-upgrades is enabled, and both of those packages should have already removed this stale kernel before now. After apt autoremove, my current installed packages are: $ dpkg -l linux-image'*' | grep ^ii ii linux-image-4.18.0-10-generic 4.18.0-10.11 amd64 Signed kernel image generic ii linux-image-4.18.0-11-generic 4.18.0-11.12 amd64 Signed kernel image generic ii linux-image-generic 4.18.0.11.12 amd64 Generic Linux kernel image $ To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unattended-upgrades/+bug/1803587/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
