Request for help with error occurring while testing Ray tracing tutorial

[hyowon2075]

Dear everyone,

I recently found out about SIONNA and am following the tutorial.

SIONNA is installed on WSL2 Ubuntu, and tensorflow version 2.15 is installed together.

While following Ray tracing_introduction, an error occurred in the first line of the [11] code:

paths = scene.compute_paths(max_depth=5, num_samples=1e6)

The detailed error is as follows:

The exception occurs in other ray tracing examples as well.

Could this exception be related to LLVM-backend?

If any users have overcome this error, I would appreciate your help.

Added: I downgraded and reinstalled the gpu driver to v531.79, referring to the previous issue regarding compute_path(), but I'm still having the same issue.
Nvidia drive version: 531.79
CUDA: 12.1
LLVM: 14
Mitsuba: 3.5.2
Drjit: 0.4.6

[merlinND]

Hello @hyowon2075,

Please see this existing discussion about WSL: #522 (reply in thread)
The main issue is that AFAIK, OptiX is not supported in WSL. OptiX is the library that Mitsuba uses to do ray tracing.

The solution is to install Sionna in Windows directly, not WSL.

[hyowon2075]

Dear @merlinND,

Thank you for your kind reply.

I will check it after installing in Windows environment.