Working perfect on Debian 10
My Specs: Distro Debian 10
Driver: NVIDIA Corporation GeForce GTX 1070 Ti/PCIe/SSE2
Driver Version: 4.6.0 NVIDIA 390.77
Installed everything from Debian repository or default, I have not added any extra config or parameter.
Here is the link to my Steam system info:
https://gist.github.com/snarvaezsoft/dd0a970ce0b9ba8ed19a6c91022d2a50
proton 3.7-5bx1 2018-08
Works flawlessly.
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Specs: Debian 9.5 (Linux 4.17), GTX970, Nvidia 396.54, Proton 3.7-5b