belately thought of trying: running sudo update-initramfs -k all -c produced no errors for both currently installed kernels:
rachel@spitfire:~$ sudo update-initramfs -k all -c update-initramfs: Generating /boot/initrd.img-4.15.0-21-generic update-initramfs: Generating /boot/initrd.img-4.15.0-20-generic FWIW... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1768831 Title: package initramfs-tools 0.130ubuntu3 failed to install/upgrade: installed initramfs-tools package post-installation script subprocess returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1768831/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
