There's a test-kernel building in the nouveau ppa ( https://edge.launchpad.net/~xorg-edgers/+archive/nouveau/ ) which should quirk off acceleration for affected MacBook Pros. Once it has built could you please test that this kernel successfully boots *without* the nouveau.noaccel=1 kernel option?
There's a test-kernel building in the nouveau ppa ( https:/ /edge.launchpad .net/~xorg- edgers/ +archive/ nouveau/ ) which should quirk off acceleration for affected MacBook Pros. Once it has built could you please test that this kernel successfully boots *without* the nouveau.noaccel=1 kernel option?