I tried the latest 4.8.1 kernel in the Canonical Kernel Team PPA. That kernel makes no progress w.r.t. this issue. Also using 'nomodeset' on the kernel command line has no effect.
I tried the latest 4.8.1 kernel in the Canonical Kernel Team PPA. That kernel makes no progress w.r.t. this issue. Also using 'nomodeset' on the kernel command line has no effect.