If that is the issue that Stephan is seeing then I have not seen the issue with the bionic package in Dave's PPA:
$ lxc launch ubuntu:08e14ca27965 b $ lxc shell b $ apt-add-repository ppa:waveform/flash-kernel $ apt install -y flash-kernel Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be upgraded: flash-kernel 1 upgraded, 0 newly installed, 0 to remove and 182 not upgraded. Need to get 62.0 kB of archives. After this operation, 11.3 kB of additional disk space will be used. Get:1 http://ppa.launchpad.net/waveform/flash-kernel/ubuntu bionic/main arm64 flash-kernel arm64 3.98ubuntu11~18.04.2~ppa1 [62.0 kB] Fetched 62.0 kB in 1s (84.8 kB/s) Preconfiguring packages ... (Reading database ... 28535 files and directories currently installed.) Preparing to unpack .../flash-kernel_3.98ubuntu11~18.04.2~ppa1_arm64.deb ... Unpacking flash-kernel (3.98ubuntu11~18.04.2~ppa1) over (3.90ubuntu3.18.04.2) ... Processing triggers for man-db (2.8.3-2ubuntu0.1) ... Setting up flash-kernel (3.98ubuntu11~18.04.2~ppa1) ... Installing new version of config file /etc/flash-kernel/bootscript/bootscr.uboot-generic ... Installing new version of config file /etc/initramfs/post-update.d/flash-kernel ... Installing new version of config file /etc/kernel/postinst.d/zz-flash-kernel ... Installing new version of config file /etc/kernel/postrm.d/zz-flash-kernel ... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1863145 Title: arm64 cloud image contains flash-kernel which leads to apt errors on upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-images/+bug/1863145/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs