Bug#756522: bumblebee-nvidia: cannot access secondary gpu - error: Permission denied

[Marek Rusinowski]

On Fri, 21 Nov 2014 00:06:11 -0800 Vincent Cheng <vcheng at debian.org> wrote:
> On Wed, Nov 19, 2014 at 4:36 AM, Marek Rusinowski
> <marekrusinowski at gmail.com> wrote:
> > On Fri, 12 Sep 2014 13:13:43 +0200 Christian Lachner
> > <christian.lachner at gmail.com> wrote:
> >> Hello everybody,
> >>
> >> jkwong888 at https://github.com/Bumblebee-Project/Bumblebee/issues/580
> >> came up with a fix that actually solves the problem - at least for me.
> >>
> >> Turns out that appending the following screen-section to
> >> /etc/bumblebee/xorg.conf.nvidia makes bumblebee work:
> >>
> >> Section "Screen"
> >>     Identifier "Default Screen"
> >>     Device "DiscreteNvidia"
> >> EndSection
> >>
> >> After a restart of bumblebeed, optirun works properly.
> >>
> >>
> > Hello,
> >
> > I have debian jessie.
> >
> >   kernel 3.16.0-4-amd64
> >   nvidia driver 340.46-3
> >   bumblebee 3.2.1-7
> >   xserver-xorg 1:7.7+7
> >   xserver-common 2:1.16.1.901-1
> >
> > And unfortunately after appending those lines nothing changed. I have
got
> > same error and I'm unable to run programs using optirun.
>
> Please attach a copy of:
> - output of "dkms status" and your current kernel version (e.g. "uname
-a")
> - output of "optirun -vv glxgears -info"
> - /var/log/Xorg.8.log and dmesg after a failed attempt at running optirun
>
> Regards,
> Vincent
>
>
# dkms status
bbswitch, 0.8, 3.16.0-4-amd64, x86_64: installed
nvidia-current, 340.46, 3.16.0-4-amd64, x86_64: installed
# uname -a
Linux laptop 3.16.0-4-amd64 #1 SMP Debian 3.16.7-2 (2014-11-06) x86_64
GNU/Linux

Marek
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