Ok, so I've now bisected, and it turns out that dc22ee6fc18ce0f15424e753e8473c306ece95c1 is the first bad revision. Would it be safe to checkout 3.2-rc3 and git revert dc22ee6fc18ce0f15424e753e8473c306ece95c1 (to test that it's the only bad commit) ? Attaching bisect log. 2011/11/24 Keith Packard : > On Thu, 24 Nov 2011 00:43:03 +0100, Patrik Kullman wrote: >> Hi, >> >> With the Asus Zenbook UX31E, kernel 3.1.1/2 works perfectly, but 3.2 >> rc1 and rc2 freezes on boot with KMS. > > If you can bisect between those two versions, you should be able to > isolate the change which is causing this problem. Without that, it's > unlikely that we'll be able to help much. > > -- > keith.packard@intel.com >