I can confirm too, the PPA solved the issue. I also have only busybox-initramfs installed.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1481733 Title: Kernel panic when booting with initramfs-tools version 0.120ubuntu1 generated initramfs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/busybox/+bug/1481733/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs