Re: Critical regression in 4.7-rcX

From	Ville Syrjälä <ville.syrjala@linux.intel.com>
Newsgroups	linux.kernel
Subject	Re: Critical regression in 4.7-rcX
Date	2016-07-15 16:50 +0200
Message-ID	<rVcBb-86v-7@gated-at.bofh.it> (permalink)
References	<rUUuB-5j0-3@gated-at.bofh.it> <rV5gl-3BF-11@gated-at.bofh.it> <rVchQ-7ZP-11@gated-at.bofh.it>
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On Fri, Jul 15, 2016 at 04:27:27PM +0200, Daniel Vetter wrote:
> On Fri, Jul 15, 2016 at 8:55 AM, Linus Torvalds
> <torvalds@linux-foundation.org> 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.

I attached a oneliner to the bug today, that I *think* should fix the
problem.

-- 
Ville Syrjälä
Intel OTC

Thread

Critical regression in 4.7-rcX Larry Finger <Larry.Finger@lwfinger.net> - 2016-07-14 21:30 +0200
  Re: Critical regression in 4.7-rcX Linus Torvalds <torvalds@linux-foundation.org> - 2016-07-15 09:00 +0200
    Re: Critical regression in 4.7-rcX Daniel Vetter <daniel.vetter@ffwll.ch> - 2016-07-15 16:30 +0200
      Re: Critical regression in 4.7-rcX Ville Syrjälä <ville.syrjala@linux.intel.com> - 2016-07-15 16:50 +0200
        Re: Critical regression in 4.7-rcX Larry Finger <Larry.Finger@lwfinger.net> - 2016-07-15 17:00 +0200
        Re: Critical regression in 4.7-rcX Larry Finger <Larry.Finger@lwfinger.net> - 2016-07-15 17:40 +0200
          Re: [Intel-gfx] Critical regression in 4.7-rcX "Bish, Jim" <jim.bish@intel.com> - 2016-07-15 18:40 +0200
            Re: [Intel-gfx] Critical regression in 4.7-rcX Larry Finger <Larry.Finger@lwfinger.net> - 2016-07-15 19:30 +0200

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