[PATCH] drm/nouveau/gem: tolerate a buffer specified multiple times

[Bryan O'Donoghue]

On 30/07/15 16:02, Ilia Mirkin wrote:
>
> That's unfortunate. I know next to nothing about debian/ubuntu or how
> they do versions or how to even build packages for them. But they're
> big distros, presumably they have support teams of some sort, perhaps
> they can help you.
>
> Assuming that switching away does resolve the issue for you, perhaps
> you can also recommend that they avoid shipping that version, or
> include this nouveau fix in it:
>
> http://cgit.freedesktop.org/mesa/drm/commit/?id=812e8fe6ce46d733c30207ee26c788c61f546294
>
> This whole libdrm thing is a bit of a cluster%@#$ unfortunately --
> 2.4.60 is broken for nouveau, building even the latest released
> xf86-video-intel against 2.4.61+ causes it to not start ("fixed" in
> xf86-video-intel git), and newer mesa requires libdrm 2.4.60+.
>
>    -ilia
>

Matter of fact

apt-cache show libdrm2
sudo apt-get install libdrm2=2.4.56-1~ubuntu2
#sudo echo “package libdrm2” | sudo dpkg –set-selections

I'll give it a go at the end of the working day - should give enough 
time to recover if it all goes spectacularly wrong :)