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From: Chris Wilson <chris@chris-wilson•co.uk>
To: Sedat Dilek <sedat.dilek@gmail•com>
Cc: Stephen Rothwell <sfr@canb•auug.org.au>,
	linux-next@vger•kernel.org, linux-kernel@vger•kernel.org,
	Daniel Vetter <daniel.vetter@ffwll•ch>,
	Dave Airlie <airlied@gmail•com>,
	DRI <dri-devel@lists•freedesktop.org>,
	intel-gfx <intel-gfx@lists•freedesktop.org>,
	"s.dilek" <s.dilek@jpberlin•de>
Subject: Re: linux-next: Tree for Aug 13 [ screen corruption in graphical mode ]
Date: Tue, 13 Aug 2013 17:34:39 +0100	[thread overview]
Message-ID: <20130813163439.GA8805@cantiga.alporthouse.com> (raw)
In-Reply-To: <CA+icZUXdS3EuXyGZiS1--rMu6H0ospzCiK_CXgPv8mOk0sMt+Q@mail.gmail.com>

On Tue, Aug 13, 2013 at 06:23:29PM +0200, Sedat Dilek wrote:
> On Tue, Aug 13, 2013 at 5:59 PM, Sedat Dilek <sedat.dilek@gmail•com> wrote:
> > I have bisected the issue on Linux v3.11-rc5 + drm-intel-nightly:
> >
> > 5456fe3882812aba251886e36fe55bfefb8e8829 is the first bad commit
> > commit 5456fe3882812aba251886e36fe55bfefb8e8829
> > Author: Chris Wilson <chris@chris-wilson•co.uk>
> > Date:   Thu Aug 8 14:41:07 2013 +0100
> >
> >     drm/i915: Allocate LLC ringbuffers from stolen
> >
> >     As stolen objects now behave identically (wrt to default LLC cacheing)
> >     as their normal system counterparts, we no longer have to differentiate
> >     our usage for ringbuffers. So allocate them from stolen on SNB+ as well.
> >
> >     Signed-off-by: Chris Wilson <chris@chris-wilson•co.uk>
> >     Reviewed-by: Ville Syrjälä <ville.syrjala@linux•intel.com>
> >     Signed-off-by: Daniel Vetter <daniel.vetter@ffwll•ch>
> >
> > :040000 040000 de063a052f39095f4d2f51b49caef9f827df41e8
> > 1c819aa5501a9fcc9912a5c7c037c71b9b9e9a6b M      drivers
> >
> > See also attached files!
> >
> 
> With the attached revert-patch my system is OK (with my customized X stack).

No indication of a GPU hang? I'm puzzled as to how this ends up with the
scanout being misread.

cat /sys/kernel/debug/dri/0/i915_gem_stolen
cat /sys/kernel/debug/dri/0/i915_gem_framebuffer

would be interesting.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre

  reply	other threads:[~2013-08-13 16:35 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-13  9:10 linux-next: Tree for Aug 13 [ screen corruption in graphical mode ] Sedat Dilek
2013-08-13  9:14 ` Sedat Dilek
2013-08-13  9:20   ` Sedat Dilek
2013-08-13  9:25 ` Chris Wilson
2013-08-13  9:35   ` Sedat Dilek
2013-08-13  9:39     ` Chris Wilson
2013-08-13  9:47       ` Sedat Dilek
2013-08-13  9:52         ` Chris Wilson
2013-08-13  9:57           ` Sedat Dilek
2013-08-13 14:07             ` Sedat Dilek
2013-08-13 14:45               ` Sedat Dilek
2013-08-13 15:59                 ` Sedat Dilek
2013-08-13 16:23                   ` Sedat Dilek
2013-08-13 16:34                     ` Chris Wilson [this message]
2013-08-13 16:37                       ` Sedat Dilek
2013-08-13 17:03                         ` Sedat Dilek
2013-08-13 17:13                           ` Chris Wilson
2013-08-13 17:53                             ` Sedat Dilek
2013-08-13 18:01                               ` Chris Wilson
2013-08-13 18:40                                 ` Sedat Dilek
2013-08-13 18:53                                   ` Chris Wilson
2013-08-13 19:05                                     ` Sedat Dilek
2013-08-13 20:10                                       ` Chris Wilson
2013-08-13 20:16                                         ` Sedat Dilek
2013-08-13 20:20                                           ` Chris Wilson
2013-08-13 20:25                                             ` Sedat Dilek
2013-08-13 20:33                                               ` Sedat Dilek
2013-08-13 20:52                                                 ` Sedat Dilek

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