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Re: [Intel-gfx] [REGRESSION] Linux 4.9-rc4: gfx glitches on Intel Sandybridge (was: Re: Linux 4.9-rc4)

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Am Dienstag, 8. November 2016, 16:11:31 CET schrieb Martin Steigerwald:
> Am Montag, 7. November 2016, 19:09:36 CET schrieb Jani Nikula:
> > On Mon, 07 Nov 2016, Martin Steigerwald <martin@lichtvoll.de> wrote:
> > > It is also the same kind of corruptions as shown in
> > > 
> > > [Bug 177701] warning in intel_dp_aux_transfer
> > > https://bugzilla.kernel.org/show_bug.cgi?id=177701
> > > 
> > > Just compare
> > > 
> > > https://bugzilla.kernel.org/attachment.cgi?id=241801
> > > 
> > > with
> > > 
> > > https://martin-steigerwald.de/tmp/display-issues-with-kernel-4.9-rc4.png
> > > 
> > > 
> > > However that bug report links to
> > > 
> > > https://bugs.freedesktop.org/show_bug.cgi?id=97344
> > > 
> > > yet the patch mentioned in there does not fix the issue. So I wonder
> > > whether bug #97344 and bug #177701 are really the same.
> > 
> > They are the same, it's just that #177701 conflates two issues, a
> > warning (tracked at fdo #973449) and a graphics corruption. The latter
> > appears to be https://bugs.freedesktop.org/show_bug.cgi?id=98402.
> > 
> > The fix has now been pushed to drm-intel-fixes branch of
> > http://cgit.freedesktop.org/drm-intel, which is -rc4 plus half a dozen
> > latest fixes. Please try that and report back.
> 
> For now commit 54905ab5fe7aa453610e31cec640e528aaedb2e2 of drm-intel-fixes

I ment not exactly this commit, but this is the last commit in the branch as I 
compiled the kernel.

> branch seems to work okay. I can only test with laptop display at the
> moment. But I will test with external display this evening – in case the
> issue at hand is DisplayPort related.
> 
> I will add this information to fdo bug 98402 as well.
> 
> Thanks,
> Martin
> 
> > > Of course I can report a bug at fdo as well, but I am a bit confused
> > > whether it may not already have been reported. Well I hope I get a
> > > chance to report it there as well and you get to decide.
> > 
> > If drm-intel-fixes doesn't fix the issue for you, please file a *new*
> > bug over at the freedesktop.org bugzilla.
> > 
> > BR,
> > Jani.


-- 
Martin

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Linux 4.9-rc4 Linus Torvalds <torvalds@linux-foundation.org> - 2016-11-06 00:50 +0100
  [REGRESSION] Linux 4.9-rc4: gfx glitches on Intel Sandybridge (was: Re: Linux 4.9-rc4) Martin Steigerwald <martin@lichtvoll.de> - 2016-11-06 16:00 +0100
    Re: [REGRESSION] Linux 4.9-rc4: gfx glitches on Intel Sandybridge  (was: Re: Linux 4.9-rc4) Mihai Donțu <mihai.dontu@gmail.com> - 2016-11-06 16:30 +0100
      Re: [REGRESSION] Linux 4.9-rc4: gfx glitches on Intel Sandybridge (was: Re: Linux 4.9-rc4) Martin Steigerwald <martin@lichtvoll.de> - 2016-11-06 16:50 +0100
      Re: [REGRESSION] Linux 4.9-rc4: gfx glitches on Intel Sandybridge (was: Re: Linux 4.9-rc4) Martin Steigerwald <martin@lichtvoll.de> - 2016-11-06 19:00 +0100
    Re: [Intel-gfx] [REGRESSION] Linux 4.9-rc4: gfx glitches on Intel      Sandybridge (was: Re: Linux 4.9-rc4) Jani Nikula <jani.nikula@linux.intel.com> - 2016-11-07 12:10 +0100
      Re: [Intel-gfx] [REGRESSION] Linux 4.9-rc4: gfx glitches on Intel      Sandybridge (was: Re: Linux 4.9-rc4) Martin Steigerwald <martin@lichtvoll.de> - 2016-11-07 15:40 +0100
        Re: [Intel-gfx] [REGRESSION] Linux 4.9-rc4: gfx glitches on Intel      Sandybridge (was: Re: Linux 4.9-rc4) Jani Nikula <jani.nikula@linux.intel.com> - 2016-11-07 18:20 +0100
          Re: [Intel-gfx] [REGRESSION] Linux 4.9-rc4: gfx glitches on Intel      Sandybridge (was: Re: Linux 4.9-rc4) Martin Steigerwald <martin@lichtvoll.de> - 2016-11-08 00:10 +0100
          Re: [Intel-gfx] [REGRESSION] Linux 4.9-rc4: gfx glitches on Intel      Sandybridge (was: Re: Linux 4.9-rc4) Martin Steigerwald <martin@lichtvoll.de> - 2016-11-08 16:20 +0100
            Re: [Intel-gfx] [REGRESSION] Linux 4.9-rc4: gfx glitches on Intel      Sandybridge (was: Re: Linux 4.9-rc4) Martin Steigerwald <martin@lichtvoll.de> - 2016-11-08 16:20 +0100
              Re: [Intel-gfx] [REGRESSION] Linux 4.9-rc4: gfx glitches on Intel      Sandybridge (was: Re: Linux 4.9-rc4) Martin Steigerwald <martin@lichtvoll.de> - 2016-11-09 09:30 +0100
                Re: [Intel-gfx] [REGRESSION] Linux 4.9-rc4: gfx glitches on Intel      Sandybridge (was: Re: Linux 4.9-rc4) Jani Nikula <jani.nikula@linux.intel.com> - 2016-11-09 10:50 +0100
                Re: [Intel-gfx] [REGRESSION] Linux 4.9-rc4: gfx glitches on Intel      Sandybridge (was: Re: Linux 4.9-rc4) Martin Steigerwald <martin@lichtvoll.de> - 2016-11-09 11:10 +0100

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