Remote OpenGL

Cook, Rich cook47 at
Fri May 27 18:20:53 UTC 2016

I'm glad to hear that one of the core X server maintainer is saying that it is not going "completely" away.  Also that he is adding an xorg.conf option to enable IGLX.  Great news!  We can rest easier.  I could not for the life of me understand how this could be removed, but that was the information I got.  I'm glad to be wrong.  
I want to just reiterate how important a feature IGLX is.  Regarding the exploitable bugs, can anyone mention or point to a couple?  
-- Rich 

> On May 27, 2016, at 11:06 AM, Alan Coopersmith <alan.coopersmith at> wrote:
> You do know that Adam is one of the core X server maintainers, right?
> If he says you're wrong, then I believe him and you should too.  (Though
> the mail he points to says you're only half wrong - yes it is disabled by
> default today, but no, we've not announced any plans to make it completely
> go away.)
> 	-alan-
> On 05/26/16 04:43 PM, Cook, Rich wrote:
>> The point here is that today it is being *disabled* and in the future it is completely *going away.*  Anyone care to argue with that?  I'd love to be wrong about it.
>>> On May 26, 2016, at 3:56 PM, Adam Jackson <ajax at> wrote:
>>> On Thu, 2016-05-26 at 09:14 +0200, Laurent Lamalle wrote:
>>>> Hello,
>>>> I have just discovered, through the x11-users at mailing
>>>> list, that Xorg deprecated some software component (IGLX?) necessary for
>>>> remote OpenGL viewing.
>>> As I just said:
>>> Another awkward thing about this, I suppose, is that on OSX the X server
>>> is started implicitly on demand and there's no reasonable way to configure
>>> things like command line options. And, that there's no direct rendering
>>> support to be had on OSX. So we could probably reasonably change those
>>> defaults for that platform, since the opportunity for privilege escalation
>>> is lower as runs unprivileged.
>>> - ajax
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✐Richard Cook   
✇ Lawrence Livermore National Laboratory
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Information Management & Graphics Grp., Services & Development Div., Integrated Computing & Communications Dept.
(opinions expressed herein are mine and not those of LLNL)

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