[elrepo] Dual boot rhel 7.5 - gui not starting

[Akemi Yagi]

On Sun, Jun 3, 2018 at 9:05 AM, Nicolas Thierry-Mieg
<Nicolas.Thierry-Mieg at univ-grenoble-alpes.fr> wrote:

> Over the week-end I took some more time to reinvestigate the issue, in case
> we actually want to fix it.
>
> Note that I have set up bumblebee on two different laptops, both with an
> intel integrated GPU and a discrete nvidia GPU, both running Centos 7 and
> installed similarly (nvidia and bumblebee from elrepo). One works fine with
> the default configuration, the other doesn't and results in the error that
> the OP ran into.
> IOW the issue only occurs on some  systems... Maybe due to the order in
> which the 2 GPUs are found by the kernel or by X.org. I don't know.
(snip)
> My kludgy solution to the issue is to move the nvidia libglx.so out of the
> way:
> sudo mv /usr/lib64/xorg/modules/extensions/nvidia /usr/lib64/xorg
> and tell bumblebee where it is now, by setting XorgModulePath in
> /etc/bumblebee/bumblebee.conf so it now has /usr/lib64/xorg/nvidia/ instead
> of /usr/lib64/xorg/modules/extensions/nvidia/ .
(snip)
> And everything works as expected.
>
> I believe a permanent fix could be to have nvidia-x11-drv install libglx.so
> in /usr/lib64/xorg/nvidia/ , set ModulePath accordingly in
> /etc/X11/xorg.conf.d/99-nvidia.conf , and have the default bumblebee.conf
> file with the fixed XorgModulePath.
> In this way nvidia GPUs should still work fine for non-bumblee users (thanks
> to 99-nvidia.conf), and bumblebee should work for everyone.
>
> Thoughts?
>
> Regards,
> Nicolas

Nicolas,

Thank you for your explanations in such great details on how you got
bumblebee working. Phil is currently struggling for time but will be
responding with his thoughts soon.

Akemi