[Intel-gfx] xf86-video-intel-2.99.912 with dri3 enabled breaks gnome-shell

[Chris Wilson]

On Thu, Jun 12, 2014 at 11:16:55PM +0200, Hans de Goede wrote:
> Hi All,
> 
> While preparing 1.15.99.903 server + 2.99.912 intel drv packages
> for Fedora 21, I noticed that both gdm and gnome-shell (tested
> with startx) hang, they show the initial background screen and
> then just sit there.
> 
> Building the server with --disable-dri3, or building the
> intel drv with a hacked configure.ac to make it not build
> with dri3 support fixes this.
> 
> Note this is with mesa 10.2.1, which has been build with xgl-dri3
> support, I've double checked this.

Can try starting gnome-shell with:

export CLUTTER_PAINT=disable-clipped-redraws:disable-culling

and see if that tells clutter to only do whole scene redraws and so
only update using PresentPixmap? Could you send me the debug logs with
that set in any event?
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre