Drivers pre-r550 are likely unaffected, yes, I didn't verify this though.
This is a driver bug unfortunately, a fix is in the works. Will notify when an updated driver is released.
OptiX failed to load a required library to function. Possibly because you have a leftover nvoptix.dll or nvrtum64.dll in C:\Windows\system32 that should not be there for DCH drivers (they have the…
Please run blender_debug_gpu.cmd
, reproduce and attach the generated blender_debug_output.txt
.
But shouldn't that be handled by the second condition in if (result != CUDA_SUCCESS && result != CUDA_ERROR_PRIMARY_CONTEXT_ACTIVE)
?
cuDevicePrimaryCtxRetain
and cuDevicePrimaryCtxGetState
are thread-safe, per device (the driver has a mutex per device which is held during the call). So should still be safe even if two…