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CUDA Error 700

Posted: Thu Apr 22, 2021 12:32 am
by RSgraphics
Hi Otoy team,

can you tell me what this error is? Im using Vdbs in my scene but even when they are OFF Octane will crash.

Started logging on 21.04.21 16:00:41

OctaneRender Studio 2020.2.1 (10021301)

device 1: failed to find a CUDA binary matching compute model 3.0
CUDA error 700 on device 0: an illegal memory access was encountered
-> failed to wait for event
device 0: path tracing kernel failed
CUDA error 700 on device 0: an illegal memory access was encountered
-> failed to deallocate pinned memory
CUDA error 700 on device 0: an illegal memory access was encountered
-> could not get memory info
CUDA error 700 on device 0: an illegal memory access was encountered
-> failed to deallocate pinned memory
CUDA error 700 on device 0: an illegal memory access was encountered
-> could not get memory info
CUDA error 700 on device 0: an illegal memory access was encountered
-> failed to unload module
CUDA error 700 on device 0: an illegal memory access was encountered
-> failed to create link
device 0: failed to create OSL compile context:

device 0: failed to compile module 0

Re: CUDA Error 700

Posted: Thu Apr 22, 2021 7:01 am
by bepeg4d
Hi,
it seems that you are using a no more supported Kepler GPU.
Nvidia has removed the support for Kepler GPUs with compute model lower than 3.5, in CUDA 11.2.

Which GPU model are you using?
If not supported, you need to go back to 2020.1.5.

ciao Beppe

Re: CUDA Error 700

Posted: Thu Apr 22, 2021 5:31 pm
by RSgraphics
Im using a 1070 and a k4000. But the k4000 isnt enabled in octane. see screenshot? its disabled. I use the k4000 for my second monitor only and disable it for octane.
Octane Settings.PNG

Re: CUDA Error 700

Posted: Fri Apr 23, 2021 5:34 am
by bepeg4d
Ok, please upgrade to 2020.2.3-R2, and make sure to have a Nvidia driver greater than 456.38.
Please, also download and run GPU-Z:
https://www.techpowerup.com/gpuz/
And share a screenshot from the Graphics Card tab, for all the available Nvidia GPUs, thanks:
Image

You also need to download and install 2020.2.3 Standalone.
You can find it by visiting your personal Downloads area:
https://render.otoy.com/account/download_archive.php

At first start, you will be asked to press the Download button, to automatically install a new cuDNN library to run it correctly:
Image

ciao Beppe

Re: CUDA Error 700

Posted: Fri Apr 23, 2021 5:32 pm
by RSgraphics
I didnt know i still needed the standalone now that im using the subscripion of octane. Thank you for that piece of info.

For updating should i do the following:

1. Uninstall my current version of Octane Standalone
2. Uninstall Octane C4d from the C4d preferences plugin folder
3. Reinstall latest version of Octane Standalone
4. Reinstall latest version of Octane C4d plugin

Is that the process?
Do i need to worry about deactivating my account first?

Re: CUDA Error 700

Posted: Mon Apr 26, 2021 5:41 am
by bepeg4d
Hi,
no, you should not need to deactivate your licenses.
About Standalone, it is not necessary to uninstall it, you can have several Standalone versions in your system without issues.
Only thing that must uninstalled / removed is the c4doctane plugin, before update it to the latest version.

Keep me informed.

ciao Beppe