Bug#801869: nvidia-graphics-drivers: setting /dev/nvidia* to root:video 0660 breaks gdm3, sddm, ...

[Luca Boccassi]

On Mon, 2015-10-19 at 01:39 +0200, Andreas Beckmann wrote:
> On 2015-10-19 01:20, Luca Boccassi wrote:
> > Installed Ubuntu 15.10 beta2 on another partition to check. It's
> > running with 352.
> > 
> > The devices are created with 666 root:root:
> > 
> > $ ls -l /dev/nvidia*
> > crw-rw-rw- 1 root root 195,   0 Oct 19 00:13 /dev/nvidia0
> > crw-rw-rw- 1 root root 195, 255 Oct 19 00:13 /dev/nvidiactl
> > 
> > Let me know if you would like to check anything else.
> 
> Can you "break" it with /etc/modprobe.d/nvidia-kernel-common.conf from
> Debian? (maybe adjusting the module name... I don't know whether/how
> they rename the modules)
> 
> I'm getting slightly tempted to 2s/^/#/ ...

Yep, that breaks it good. GDM crashes with expected GLX error on Ubuntu
too when the devices are not root:root 666.

Kind regards,
Luca Boccassi


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