r297297 Haswell, libGL error: failed to open drm device, driver i965

[Conrad Meyer]

Add yourself to the group that owns the /dev/drm device. This changed
between 10 and CURRENT.

Best,
Conrad
On Mar 27, 2016 9:21 AM, "Anton Shterenlikht" <mexas at bris.ac.uk> wrote:

> This is an amd64 laptop with 11.0-CURRENT #0 r297297.
> pciconf -lv gives:
>
> vgapci0 at pci0:0:2:0:     class=0x030000 card=0x061f1028 chip=0x0a168086
> rev=0x0b hdr=0x00
>     vendor     = 'Intel Corporation'
>     device     = 'Haswell-ULT Integrated Graphics Controller'
>     class      = display
>     subclass   = VGA
>
> Am I right that I need x11-drivers/xf86-video-intel for it?
>
> Xorg.log doesn't show any errors:
>
> http://eis.bris.ac.uk/~mexas/logs/Xorg.0.log
>
> On launching firefox I get:
>
> libGL error: failed to open drm device: Permission denied
> libGL error: failed to load driver: i965
>
> Is this supposed to work?
> Have I forgotten some setup step?
>
> Also, will this driver support a single
> logical screen made of two monitors,
> i.e. laptop's + HDMI attached?
>
> Many thanks
>
> Anton
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