[patch xf86-video-intel] sna: fix --enable-debug=full

[Alexei Podtelezhnikov]

> commit 71fa350325bb06a6141f89ef14431d96f0c4956a
> Author: Chris Wilson <chris at chris-wilson.co.uk>
> Date:   Mon Sep 17 13:40:24 2012 +0100
>
>     sna: Check that we do not keep a GPU bo around after flushing a ShmPixmap
>
> Hmm. And you know what ShmPixmap have? kgem_buffers, which leads to the
> original bug you were hitting. I think this is the start of the problem
> you saw. So grab the debug log!

It is there: https://gitlab.freedesktop.org/xorg/driver/xf86-video-intel/-/issues/189

and the original segfault issue was fixed but re-compilation!