https://bugzilla.kernel.org/show_bug.cgi?id=58981
--- Comment #4 from James Dietrich jdietrch@fastmail.fm 2013-05-29 20:25:02 --- I just compiled 3.9.4 and tried booting with radeon.vramlimit=128 but that did not work around the issue. It failed to boot the same as before.