[vbox-dev] 3d pass-through and gnome-shell ?

Hans de Goede hdegoede at redhat.com
Tue Jun 27 18:46:19 GMT 2017


On 06/27/2017 05:50 PM, Michael Thayer wrote:
> Hello Hans,
> 27.06.2017 15:17, Hans de Goede wrote:
> [...]
>> On 06/27/2017 01:46 PM, Michael Thayer wrote:
> [Discussion of 3D problems in Fedora VirtualBox guests, of ld.so.conf
> trickery used to put 3D libraries in place, but not completing in time
> for the display manager and of adjusting the systemd service to make it
> work.]
>>> The service is mislabled - it should actually be a oneshot, and it does
>>> not fork at all.  It is simply this way because systemd service files
>>> are generated at install time from our sysv init scripts and once they
>>> were working well enough I no longer found free time to polish them
>>> further.
>> Ah, ok, yes just making it oneshot and add the Before is fine then :)
> I will do that when I have enough time to task switch to that, but given
> that it will slow down everything else I am doing it will probably not
> happen until I have to make bigger changes.  That said, that might be
> necessary to add the display-manager.service dependency.
> [...]
>> Back to 3d passthrough any idea why F26 is showing a black screen ?
> [...]
> Actually I do - it is because of our X11-only EGL library, which
> gnome-shell doesn't like.  When I disable that both Wayland
> (unaccelerated) and X11 (accelerated) sessions work.  The EGL library is
> not doing much good anyway - I added it when Qt went EGL-only, but as
> soon as I had added it they went back to GLX.  I don't think anyone will
> miss it.

Thank you for the insight I will give things a try with the EGL lib

> Will try to get those fixes committed tomorrow so that I can get back to
> vboxvideo, updating from your v4 and looking at adding atomic.

Great, thank you for looking into atomic!



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