c720 minimal install media from USB boots to kernel, but the kernel fails to find any root devices. This happens on the Acer c720 (peppy) with install-amd64-minimal-20150416.iso install-amd64-minimal-20150423.iso additionally, SeaBIOS 181214_15:29 is being used from John Lewis' repository.
*** This bug has been marked as a duplicate of bug 522176 ***