![]() Fortunately, I was able to solve this puzzle using a combination of facts that I was able to collect. This article brings us closer to solution, but still doesn’t do the trick. I had spent quite some time coming up with creative google prompts to find something that is addressing this on the web but failed to. ![]() In fact it was built so that you can interact with your GPU only if you have a graphics interface operational! What this means is that apparently nvidia-settings cannot connect to the running X server. However, after running this command through you’ll likely see this: Unable to init server: Could not connect: Connection refused ERROR: The control display is undefined please run `nvidia-settings -help` for usage information. I have 2 fans on each GPU and in order to control first fan on second GPU I have to use fan:2 Note: Fans are enumareted continously across all GPUs, i.e. First argument enables controlling fans in the first GPU, second one assigns target fan speed in percentage (0–100) for the first fan. Then, what most forum answers on the web suggest, you should use this command: sudo nvidia-settings -a "/GPUFanControlState=1" \ -a "/GPUTargetFanSpeed=90" I started googling on how to set the fan speed for individual GPU using that.įirst of all, you have to set a bitmask that will allow controlling cooling settings: sudo nvidia-xconfig -cool-bits=28 NVIDIA has nvidia-settings console app which technically allows you to set any GPU settings using terminal. I used to be using GUI apps that NVIDIA ships, but now I can only access my PC via SSH connection. Normally, I like to ramp up my fans in my workstation so that cards don’t overheat during multiple day training sessions. While I’m not able to live in my house that is located in country that started a war, I still need to do neural net training and cloud GPUs are not something I can afford right now. ![]() ![]() Example of thermals of EVGA 3090 using fixed fan speed of 90%
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