Arch Linux

gandalf3

Member

From: ~/

Registered: 2013-05-18

Posts: 34

Blender GPU rendering broken with latest nvidia driver update (334.21)

After upgrading to 334.21, there is no cuda option in the user preference of blender and blender prints

CUDA cuInit: Unknown error

to the terminal on startup.

I've looked at this bug report: https://bugs.archlinux.org/task/39141, but the issue persists even after upgrading to nvidia 334.21-2.

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Ryzen 7 2700X | Vega 64 | 16GB | Arch | Bspwm

byahhhh

Member

Registered: 2014-03-06

Posts: 1

Re: Blender GPU rendering broken with latest nvidia driver update (334.21)

I'm getting the same error.

I have also looked at that same bug report, oddly enough, and can confirm that the issue persists.

Svenstaro

Administrator

From: Germany

Registered: 2008-11-19

Posts: 388

Re: Blender GPU rendering broken with latest nvidia driver update (334.21)

Did you modprobe nvidia-uvm?

cminus

Member

Registered: 2013-11-28

Posts: 12

Re: Blender GPU rendering broken with latest nvidia driver update (334.21)

I'm getting this error too, although I modprobe-d nvidia-uvm & nvidia

mrunion

Member

From: Jonesborough, TN

Registered: 2007-01-26

Posts: 1,938

Website

Re: Blender GPU rendering broken with latest nvidia driver update (334.21)

According to some reports, running something (anything) that uses CUDA as root first, then running the CUDA-using app as a regular user works. Have you tried that?

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Matt

"It is very difficult to educate the educated."

alfonsodg

Member

Registered: 2010-08-26

Posts: 18

Re: Blender GPU rendering broken with latest nvidia driver update (334.21)

I have the same problem.... after running:

primusrun blender i get CUDA cuInit: Unknown error

By the way, with optirun just doesn't works, simply doesn't show me any other card than CPU

any ideas?

mrunion

Member

From: Jonesborough, TN

Registered: 2007-01-26

Posts: 1,938

Website

Re: Blender GPU rendering broken with latest nvidia driver update (334.21)

Did you try first with sudo?

sudo primusrun blender

Then try with your regular user.

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Matt

"It is very difficult to educate the educated."

Svenstaro

Administrator

From: Germany

Registered: 2008-11-19

Posts: 388

Re: Blender GPU rendering broken with latest nvidia driver update (334.21)

Test cuda 6 in [testing] for me guys.

uberscientist

Member

Registered: 2012-01-27

Posts: 84

Re: Blender GPU rendering broken with latest nvidia driver update (334.21)

Just FYI CUDA appeared as compute option after I ran blender as root.  I was getting the same error as OP before.

dwende

Member

From: Israel

Registered: 2008-12-04

Posts: 27

Re: Blender GPU rendering broken with latest nvidia driver update (334.21)

Same for me. Running as root first then as user solved the problem for the time being.

Svenstaro

Administrator

From: Germany

Registered: 2008-11-19

Posts: 388

Re: Blender GPU rendering broken with latest nvidia driver update (334.21)

Please test the new Nvidia in testing. It should have a fix for this.

Thorsten Reinbold

Member

From: Germany

Registered: 2011-12-06

Posts: 353

Re: Blender GPU rendering broken with latest nvidia driver update (334.21)

Yeah! On my System, OpenCL is useable again with darktable. Thanks!