[Bug 287895] graphics/nvidia*: cuda/opencl does not work on RTX 5000 series (5070) card.

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=287895

--- Comment #3 from Tomasz "CeDeROM" CEDRO <tomek@cedro.info> ---
1. Okay I tried 575.64 nvidia-driver-devel and no change CUDA/OpenCL still does
notwork.

2. I noticed that with 570.169 and 575.64 the GSP firmware MUST be loaded with
this RTX5070 even for the console to work, otherwise machine hangs on module
load, looks like some sort of conflict with drm. I did not observe that with
570.153 but I did not install drm kernel modules and the Xorg still works. DRM
does not seem to work well with nvifia I was not able to run graphics
application under bare console without Xorg and it was possible with Radeon.

3. I have feeling that graphics with 575.64 is a bit faster than 570.169 but
that may be subjective feeling.

4. nv-sglrun and/or nvidia-smi require sgl firmwares as well as some other
components that needs to be loaded as root or launched under Xorg as standard
user (Xorg loads them). So there is not much difference if I run from bare
console or under Xorg, CUDA/OpenCL still does not work.


% pkg info -x nvidia
linux-nvidia-libs-devel-575.64
nvidia-driver-devel-575.64.1402000
nvidia-settings-570.169
nvidia-xconfig-570.169

% pkg info -x drm
drm_info-2.7.0
libdrm-2.4.123,1

 # pkg info -x libc6-shim
libc6-shim-20250323


# nv-sglrun nvidia-smi
/usr/local/lib/libc6-shim/libc6.so: shim init
Tue Jul  1 03:04:18 2025
+-----------------------------------------------------------------------------------------+
| NVIDIA-SMI 575.64                 Driver Version: 575.64         CUDA
Version: 12.9     |
|-----------------------------------------+------------------------+----------------------+
| GPU  Name                 Persistence-M | Bus-Id          Disp.A | Volatile
Uncorr. ECC |
| Fan  Temp   Perf          Pwr:Usage/Cap |           Memory-Usage | GPU-Util 
Compute M. |
|                                         |                        |           
   MIG M. |
|=========================================+========================+======================|
|   0  NVIDIA GeForce RTX 5070        Off |   00000000:02:00.0  On |           
      N/A |
|  0%   36C    P0             29W /  250W |     962MiB /  12227MiB |      6%   
  Default |
|                                         |                        |           
      N/A |
+-----------------------------------------+------------------------+----------------------+

+-----------------------------------------------------------------------------------------+
| Processes:                                                                   
          |
|  GPU   GI   CI              PID   Type   Process name                       
GPU Memory |
|        ID   ID                                                              
Usage      |
|=========================================================================================|
+-----------------------------------------------------------------------------------------+


# nv-sglrun clpeak
/usr/local/lib/libc6-shim/libc6.so: shim init

Platform: NVIDIA CUDA
  Device: NVIDIA GeForce RTX 5070
    Driver version  : 575.64 (FreeBSD)
    Compute units   : 48
    Clock frequency : 2610 MHz

    Global memory bandwidth (GBPS)
Segmentation fault (core dumped)

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