On Mon, 12 Sep 2011, Owain Ainsworth wrote:

> On Mon, Sep 12, 2011 at 12:31:46AM +0100, Owain Ainsworth wrote:
> > I've been sitting on various stages of this update for far too long,
> > about time i sent it out.
> > 
> > This updates the rendering code in the in-tree intel driver to much more
> > recent versions of the upstream intel driver, while retaining user
> > modesetting code (backporting work by me as well as a few openbsd
> > specific changes). This fixes many bugs and provides a large speed
> > improvement (especially text rendering) on 965 and above chipsets.
> > 
> > A few bugfixes from kettenis@ are also present fixing some nagging
> > issues.
> > 
> > This is a prerequisite for support for sandybridge chipsets so it would
> > be good to get it into the tree soon. Testing would be much appreciated.
> > Instructions follow:
> > 
> > Download the tarball at http://xenocara.org/src/intel_update.tgz
> > 
> > move /usr/xenocara/driver/xf86-video-intel out of the way and untar the
> > tgz from xenocara/drivers
> > 
> > cd xf86-video-intel
> > make -f Makefile.bsd-wrapper obj
> > make -f Makefile.bsd-wrapper build
> > 
> > Please let me know if you find any issues, otherwise reports of which
> > hardware this was testing on to me privately please.
> 
> The driver on the web has been updated to not have the sandybridge
> pciids set to match.

The occasional "PGTBL_ER... resetting gpu: done!" message from the kernel
I was experiencing in the past seems to have disappeared definitely...

Thanks, 
David

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