CUDA error: Launch failed in cuCtxSynchronize(), line 1372 I have the following CUDA error when trying to render my project in cycles:

CUDA error: Launch failed in cuCtxSynchronize(), line 1372


My scene rendered well some days ago. After adding new elements and models the error appeared. I had this error already some time ago, while working on this project, but after changing the content and sample amount in the render settings it disappeared until today.

I am using a GeForce 1080 Ti with 11 GBytes of Ram. The scene use currently not much vram of my graphic card. So the vram can not be the reason.

Any ideas for a solution please? Maybe some developers are reading this too.

Thank you a lot for any tips

Chris
I struggled with this problem for months. Used different computers, re-installed Blender, re-installed windows (I am using 8.1 &amp; 10), installed new and old drivers for my Nvidia card, changed the TDR and everything I could think of...but no luck.

Then it occurred to me that the Gforce Experience runs in the background (and being in my opinion, not a well written program) may be overlapping the memory of Blender or at least hogging the memory. So I un-installed it and magic!!! All Cuda errors and memory errors went away. Blender works again as it should!!!

I hope this works for you, as it did for me. Unfortunately, I did not discover this for months, until I had pulled every single strand of hair out of my head.