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SubjectRe: i915 not working on Dell e6410
On Mon, Feb 25, 2013 at 04:43:12PM +0200, Felipe Balbi wrote:
> Hi,
>
> On Mon, Feb 25, 2013 at 02:39:18PM +0000, Chris Wilson wrote:
> > On Mon, Feb 25, 2013 at 04:24:11PM +0200, Felipe Balbi wrote:
> > > Hi folks,
> > >
> > > I have a Dell e6410 whose framebuffer gets corrupted with v3.7.9 and
> > > v3.8.0 but works fine with v3.6.11.
> > >
> > > Below you can find lspci and my .config, maybe I'm missing something ?

That looks like https://bugzilla.freedesktop.org/show_bug.cgi?id=60391
which is fixed by

commit da88a5f7f7d434e2cde1b3e19d952e6d84533662
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Wed Feb 13 09:31:53 2013 +0000

drm/i915: Disable WC PTE updates to w/a buggy IOMMU on ILK

or by passing intel_iommu=off on the commandline.
-Chris

--
Chris Wilson, Intel Open Source Technology Centre


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