Just tested with linux-image-4.4.0-994-generic_4.4.0-994.201512302100_amd64.deb from http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-nightly/current/ and same thing, won't boot.
Just tested with linux-image- 4.4.0-994- generic_ 4.4.0-994. 201512302100_ amd64.deb from http:// kernel. ubuntu. com/~kernel- ppa/mainline/ drm-intel- nightly/ current/ and same thing, won't boot.