[elrepo] Dual boot rhel 7.5 - gui not starting

[John Adegbile]

On Sat, 4 Aug 2018 at 19:43, John Adegbile <johnadegbile at gmail.com> wrote:

>
>
> On Sat, 4 Aug 2018 at 19:04, John Adegbile <johnadegbile at gmail.com> wrote:
>
>>
>>
>>
>> On Thu, 7 Jun 2018 at 22:11, John Adegbile <johnadegbile at gmail.com>
>> wrote:
>>
>>>
>>>
>>> On Thu, 7 Jun 2018 at 03:46, Nicolas Thierry-Mieg <
>>> Nicolas.Thierry-Mieg at univ-grenoble-alpes.fr> wrote:
>>>
>>>>
>>>> On 06/07/2018 05:48 AM, John Adegbile wrote:
>>>> > I finally got to try out the solution  posted. Unfortunately, it did
>>>> not
>>>> > work for me though. The error I now get is:
>>>> >
>>>> > 22.409] (II) LoadModule: "glx"
>>>> > [    22.409] (II) Loading /usr/lib64/xorg/modules/extensions/libglx.so
>>>> > [    22.409] (EE) Failed to load
>>>> > /usr/lib64/xorg/modules/extensions/libglx.so: libGL.so.1: cannot open
>>>> > shared object file: No such file or directory
>>>> > [    22.409] (II) UnloadModule: "glx"
>>>> > [    22.409] (II) Unloading glx
>>>> > [    22.409] (EE) Failed to load module "glx" (loader failed, 7)
>>>> >
>>>>
>>>> that's strange. At least X is trying to load the correct libglx.so.
>>>> Don't you have mesa-libGL installed?
>>>> sudo yum install mesa-libGL
>>>>
>>>> If that doesn't fix it, what's your output for
>>>> find /usr -name libGL.so.1
>>>> _______________________________________________
>>>> elrepo mailing list
>>>> elrepo at lists.elrepo.org
>>>> http://lists.elrepo.org/mailman/listinfo/elrepo
>>>
>>>
>>> Thanks for all your help with this!
>>>
>>> As you suspected, I did not have mesa-libGL installed. I installed this,
>>> rebooted, and..........I still can't get to an x windows session!!! The
>>> last 3 messages I see during the startup before the machine hangs is:
>>>
>>> [ok] Started gnome display manager
>>> [ok] Started System Logging Service
>>> [ok] Started Virtualization daemon
>>>
>>> There are no x related errors in the Xorg.logs.
>>>
>>> I'm not quite sure what to do now...
>>>
>>
>>
>> I have some time to revisit this as I didn't get much further with the
>> installations last time.
>>
>> I did a complete re-install of RHEL 7.5 following the instructions from
>> http://ezequielm.com/blog/rhelcentos-7-3-bumblebee-setup/
>>
>> I also installed primus. I'm now getting the following errors in my
>> Xorg.log when I attempt to launch gnome/kde
>>
>> Failed to load module "nouveau"
>> Failed to load module "fbdev"
>> Failed to load module "vesa"
>>
>> Any ideas what I'm missing?
>>
>> TIH
>>
>
> So after googling, I decided to install xorg-x11-drv-nouveau, xorg-x11-drv-fbdev,
> xorg-x11-drv-vesa. I then rebooted and the only error I'm now getting in
> the Xorg logs is: "Failed to open DRM device for (null): -2"
>
> Not sure what  I need to do next...
>

Still not getting anywhere so I tried some debugging using "weak-modules":

weak module for nvidia-modeset.ko already exists for kernel
3.10.0-862.9.1.el7.x86_64, update case?
weak module for nvidia.ko already exists for kernel
3.10.0-862.9.1.el7.x86_64, update case?
weak module for nvidia-drm.ko already exists for kernel
3.10.0-862.9.1.el7.x86_64, update case?
weak module for nvidia-uvm.ko already exists for kernel
3.10.0-862.9.1.el7.x86_64, update case?
weak module for bbswitch.ko already exists for kernel
3.10.0-862.9.1.el7.x86_64, update case?
weak module for uds.ko already exists for kernel 3.10.0-862.9.1.el7.x86_64,
update case?
weak module for kvdo.ko already exists for kernel
3.10.0-862.9.1.el7.x86_64, update case?
Module nvidia-modeset.ko from kernel 3.10.0-862.el7.x86_64 is compatible
with kernel 3.10.0-862.9.1.el7.x86_64
Module nvidia.ko from kernel 3.10.0-862.el7.x86_64 is compatible with
kernel 3.10.0-862.9.1.el7.x86_64
Module nvidia-drm.ko from kernel 3.10.0-862.el7.x86_64 is compatible with
kernel 3.10.0-862.9.1.el7.x86_64
Module nvidia-uvm.ko from kernel 3.10.0-862.el7.x86_64 is compatible with
kernel 3.10.0-862.9.1.el7.x86_64
Module bbswitch.ko from kernel 3.10.0-862.el7.x86_64 is compatible with
kernel 3.10.0-862.9.1.el7.x86_64
Module uds.ko from kernel 3.10.0-862.6.1.el7.x86_64 is compatible with
kernel 3.10.0-862.9.1.el7.x86_64
Module kvdo.ko from kernel 3.10.0-862.6.1.el7.x86_64 is compatible with
kernel 3.10.0-862.9.1.el7.x86_64
/sbin/depmod -ae -F /boot/System.map-3.10.0-862.9.1.el7.x86_64
3.10.0-862.9.1.el7.x86_64

Not sure what this is telling me...
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