Group "render"

[Martin Pitt]

Hello Michael,

Michael Biebl [2019-03-11 10:49 +0100]:
> Should we drop this patch in Debian and follow upstream, i.e. make
> render nodes owned by group "render"?

For actual graphics devices I don't see much point in it, these are the prime
example of a device that should be handled through uaccess.

But these days there's CUDA. I'm not sure if that also needs access to render
devices, or whether these are *really* just for rendering.

> How should we setup the permissions, 666 or 660?
> If we go for 660, should we make sure to re-add the uaccess tag for
> those devices to not break existing setups?

My feeling is:

 - If they are for number crunching as well (CUDA, etc.), 660 + render group + uaccess
 - If they are strictly for graphical output, 660 + uaccess

Thanks,

Martin
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