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I'm using DELL XPS 15 9570 with Ubuntu 18.04. The laptop has a NVIDIA GTX 1050Ti that I need to use for some computational tasks. One problem is that, when using nvidia profile for display via prime-select, the laptop suffers from random hard freeze frequently, which I couldn't find a way to deal with. So now I'm trying to find a Intel profile for display, and only use the GPU for CUDA stuff.

I found this thread quite interesting, and tried that but no luck. The output of nvidia-smi:

NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.

prime-select confirms the nvidia profile is enabled.

EternaLCompleX
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One hacky way which works for me is starting ubuntu with the NVIDIA GTX 1050Ti enabled. Then run sudo prime-select intel and logout. Then log in again and run sudo prime-select nvidia. Now gnome is running on the intel device but your GPU is available for CUDA stuff. You can verify this by running nvidia-smi.

Lukas
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