Re: Critical regression in 4.7-rcX

From: Daniel Vetter
Date: Fri Jul 15 2016 - 10:27:35 EST


On Fri, Jul 15, 2016 at 8:55 AM, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Thu, 14 Jul 2016, Larry Finger wrote:
>> To anyone keeping track of regressions in kernel 4.7, I call your attention to
>> https://bugs.freedesktop.org/show_bug.cgi?id=96675.
>>
>> This bug causes driver i915 to fail to connect to the display, and results in
>> a blank screen as soon as the kernel is loaded. The only way to operate with
>> kernel 4.7 is to add "nomodeset" to the command line. The problem was bisected
>> to commit f21a21983ef13a ("drm/i915: Splitting intel_dp_detect").
>
> Daniel? Jani? Time to revert?

Yup. Means that I'll get to revert a pile of patches (plus even more
in -next), but that's what we get for not handling regressions timely.
Dave poked me about the same bug already too. But will take a few days
until the pull is in your inbox I guess.
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch