[elrepo] NVIDIA and RHEL 6.5 issue (libglamoregl)

[B.J. McClure]

On 12/01/2013 06:34 AM, Akemi Yagi wrote:
> On Sun, Dec 1, 2013 at 2:48 AM, Akemi Yagi <amyagi at gmail.com> wrote:
>
>> When the 'Conflicts' version of nvidia is released, everyone running
>> 6.5 gets affected and 'yum update' will fail. Also, if the user
>> installs this version while still at 6.4, then' yum update to 6.5'
>> would fail. I think this has a huge impact on our nvidia package
>> users. If those who are running yum autoupdate do not notice this,
>> their systems would be in trouble.
>>
>> Also mentioned by Phil, the existence of xorg-x11-glamor does not seem
>> to have instantly obvious maleffects. I have a system running 6.5 +
>> nvidia and tested it using software that extensively uses OpenGL
>> (pymol, to be specific). So far, I have not noticed any problem.
>>
>> So the question arises. Is the [said] problem serious enough to
>> justify the use of Conflicts?
> Just noticed something "new" ...
>
> $ cat /var/log/Xorg.0.log | grep glam
> [    23.268] (II) LoadModule: "glamoregl"
> [    23.269] (II) Loading /usr/lib64/xorg/modules/libglamoregl.so
> [    23.286] (EE) Failed to load
> /usr/lib64/xorg/modules/libglamoregl.so:
> /usr/lib64/xorg/modules/libglamoregl.so: undefined symbol:
> _glapi_tls_Context
> [    23.286] (II) UnloadModule: "glamoregl"
> [    23.286] (II) Unloading glamoregl
> [    23.286] (EE) Failed to load module "glamoregl" (loader failed, 7)
>
> So, on my system, glamoregl failed to load, which explains no issue. I
> have kmod-nvidia-331.20-1.el6.elrepo.x86_64.
>
> Akemi
Interesting, libglamoregl.so  loads on the only machine I have tried it 
on so far.

[    50.774] (II) "glx" will be loaded by default.
[    50.774] (II) LoadModule: "dri2"
[    50.774] (II) Module "dri2" already built-in
[    50.774] (II) LoadModule: "glamoregl"
[    50.809] (II) Loading /usr/lib64/xorg/modules/libglamoregl.so
[    51.228] (II) Module glamoregl: vendor="X.Org Foundation"
[    51.228]     compiled for 1.13.0, module version = 0.5.0
[    51.228]     ABI class: X.Org ANSI C Emulation, version 0.4
[    51.228] (II) LoadModule: "glx"
[    51.228] (II) Loading /usr/lib64/xorg/modules/extensions/libglx.so
[    51.359] (II) Module glx: vendor="NVIDIA Corporation"
[    51.359]     compiled for 4.0.2, module version = 1.0.0
[    51.359]     Module class: X.Org Server Extension
[    51.359] (II) NVIDIA GLX Module  331.20  Wed Oct 30 17:36:48 PDT 2013
[    51.359] Loading extension GLX
[    51.359] (II) LoadModule: "nvidia"
[    51.359] (II) Loading /usr/lib64/xorg/modules/drivers/nvidia_drv.so
[    51.402] (II) Module nvidia: vendor="NVIDIA Corporation"
[    51.402]     compiled for 4.0.2, module version = 1.0.0
[    51.402]     Module class: X.Org Video Driver
[    51.404] (II) NVIDIA dlloader X Driver  331.20  Wed Oct 30 17:16:53 
PDT 2013
[    51.404] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
[    51.404] (++) using VT number 1


Had to go to System>Preferences>Desktop Effects and deselect Compiz, 
then reselect Compiz to get 3D desktop to work.  Otherwise, no anomalies 
noted so far.

B.J.