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List:       freedesktop-xorg
Subject:    Xserver and Linux containers
From:       Christian Stussak <stussak () mfo ! de>
Date:       2015-05-16 16:33:11
Message-ID: 0BB8A2AE-3B16-4A65-9C38-514B7AD70026 () mfo ! de
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There is currently a huge hype around Linux containers, Docker and such =
and there are quite a few attempts to run GUI apps inside Linux =
containers. This is usually done by mounting the host=92s X socket and =
sometimes a few other files/directories into the container (such as =
/dev/shm, /dev/dri/...). In order to get 3D hardware acceleration =
working (over DRI, I think), they install the very same version of the =
graphics driver into the container and the host although the Linux =
distro inside the container might be completely different from the hosts =
distro (different library versions, distro specific patches etc.)

Here are a few links to get an idea of these approaches:
https://github.com/thewtex/docker-opengl-nvidia/blob/master/run.sh
https://github.com/yantis/docker-virtualgl

I tried it my self and it seems to work well.

My question is: Is this approach of implementing the communication =
between host and container X server safe in the sense that it is =
supposed to work like that or is it likely to break at any time because =
it=92s just an ugly hack that works by chance? If so, what would be the =
correct way to tackle that problem, i.e. utilizing an X server running =
on the host from within the container while still having hardware =
acceleration for 3d.

I saw demos where this =84solution=93 has been used to run 3D =
accelerated apps remotely on Amazon EC2 web services and I am =
considering to try something similar with containers if this is not a =
dead end.=

["smime.p7s" (smime.p7s)]

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