Here’s how it looks like:
OS: CentOS 6.6
Kernel: 3.19 x86 vanilla
GPU: GeForce GTX 660
Also, “Enable GPU Fan Settings” checkbox does nothing.
Why a new thread?
There is allready one: https://devtalk.nvidia.com/default/topic/821563/linux/can-t-control-fan-speed-with-beta-driver-349-12/
Didn’t notice, sorry.