I deleted the file /etc/initramfs-tools/conf.d/driver-policy, which contained "MODULES=dep", and the error messages went away. (The machine actually didn't boot in the end, but I think that was a GRUB problem, not an initramfs problem.)
-- update-initramfs "missing md root" https://bugs.launchpad.net/bugs/601380 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs