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List:       qubes-users
Subject:    Re: [qubes-users] OpenGL in Dom0 Needed?
From:       Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= <marmarek () invisiblethingslab ! com>
Date:       2016-01-31 22:07:29
Message-ID: 20160131220729.GG1089 () mail-itl
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On Fri, Jan 29, 2016 at 07:47:20PM -0800, entr0py wrote:
> What are the benefits of enabling OpenGL in dom0 vs using XRender? Desktop 
> effects? As I understand it, OpenGL is not enabled in any domU. 

Yes, you're right.

> Enabling OpenGL2.0 causes horrendous crashes for me. My video card is an 
> ATI R7950. KWin crashes, restarts, and then all the open VMs revert to a 
> yellow status. There is nothing I can do to bring them out of that. 

Starting new application in such VM should make it back "green" (if I
guess correctly that the problem is killed gui daemon).

Optionally you can logout and login again. Applications in your VMs
should still be running and hopefully back visible.

Anyway disabling OpenGL shouldn't be a problem (unless you are using
fancy desktop effects).

> On one 
> occasion, some fiddling caused error messages mentioning "GUID outdated" or 
> "can't launch Qubes-GUID". Usually 1-2 minutes after the first crash, the 
> entire system will hang and will need a hard reset. I need to find a way to 
> recover VMs and save data or just use XRender instead.
> 
> Thanks very much for help!
> 


- -- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
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