Issue with prime-select

English Applications
1

When I run the command :

prime-select nvidia

,

I received and issue with following text :

update-alternatives: --set needs <name> <path>


Use 'update-alternatives --help' for program usage information.
Driver configured: nvidia

How can I fix this issue?

2

I’d start with installing nvidia drivers.

3

I have already installed Nvidia driver with this guide :

https://en.opensuse.org/SDB:NVIDIA_drivers
```](https://en.opensuse.org/SDB:NVIDIA_drivers)
4

Show output of

LC_ALL=C update-alternatives --display libglx.so
5

The output of the follow command :

LC_ALL=C update-alternatives --display libglx.so

is :

libglx.so - manual mode  link best version is /usr/lib64/xorg/modules/extensions/xorg/xorg-libglx.so
  link currently points to /usr/lib64/xorg/modules/extensions/xorg/xorg-libglx.so
  link libglx.so is /usr/lib64/xorg/modules/extensions/libglx.so
/usr/lib64/xorg/modules/extensions/xorg/xorg-libglx.so - priority 50
6

You do not have complete nVidia driver. At least nvidia-glG0x package is missing (it provides nVidia GL/GLX implementation). Show output of

rpm -qa | grep -i nvidia
7

The output of follow command

rpm -qa | grep -i nvidia

is :

nvidia-computeG05-435.21-19.1.x86_64nvidia-gfxG05-kmp-default-435.21_k5.2.11_1-19.1.x86_64
kernel-firmware-nvidia-20190909-35.1.noarch
x11-video-nvidiaG05-435.21-19.1.x86_64
nvidia-glG05-435.21-19.1.x86_64
8

OK, this is suse-prime bug. Xorg in Tumbleweed supports server side GLVND and nVidia drivers do not use alternatives anymore. X server dynamically selects the correct implementation. I assume switching to nVidia actually works even though you got error message?

Bug is cosmetic as far as I can tell - switching alternatives is not needed so it does not matter that it fails. You may consider opening bug report so it is not forgotten.

9

Actually with current Xorg in TW and drivers 435 suse-prime is likely not needed anymore, at least in its current form.

Xorg changelog:

- added patches required for NVIDIA's PRIME render offload support,  which is available since release 435.xx:

nVidia 435 readme:

__NV_PRIME_RENDER_OFFLOAD=1 vkcube
__NV_PRIME_RENDER_OFFLOAD=1 __GLX_VENDOR_LIBRARY_NAME=nvidia glxinfo | grep vendor

http://us.download.nvidia.com/XFree86/Linux-x86_64/435.21/README/primerenderoffload.html