Quoting: SeeKI have nvidia 375.20 running on 3 rigs here, no problems so far. Upgraded from nvidia-361, nvidia-367 and nvidia-370 and saw noticeable performance gains in all cases. Used the graphics-drivers ppa (nvidia-375).

Rig 1:  i7-4790K, EVGA GTX980,   kernel 4.8.0, nvidia-375, Mint 18, Cinnamon 3.2
Rig 2:  i7-6700K, EVGA GTX780Ti, kernel 4.8.0, nvidia-375, Mint 18, Cinnamon 3.2
Rig 3:  i7-4770K, MSI GTX980Ti,  kernel 4.8.0, nvidia-375, Mint 18, Cinnamon 3.2

Nice rigs:)

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Quoting: SlickMcRunFast375 caused Valley to crash for me when loading a new level. Going from 375 to 370 fixed it.

Valley is crashing with a number of other nvidia drivers and it does the same on AMD hardware. Is the game's fault.

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Fortunately I have no issues with this driver, and actually is a keeper. It gives a slight increase in performance in some benchmarks, for example in the Unreal Infiltrator demo (compared here with the previous stable driver):

367.57:
Min/avg/max frametimes (ms): 8.35 / 27.8543 / 304.27
Min/avg/max FPS: 3.28655 / 35.9011 / 119.76
50/90/95/99 percentiles (ms): 29.04 / 35.06 / 36.65 / 42.29

375.20:
Min/avg/max frametimes (ms): 10.48 / 26.298 / 308.28
Min/avg/max FPS: 3.2438 / 38.0256 / 95.4198
50/90/95/99 percentiles (ms): 26.29 / 31.78 / 33.90 / 37.38

Frametimes (375.20 in red):

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Quoting: GuestMouse cursor is warped to the middle, it's a part of how things work for "fullscreen" windows. Means you can get relative mouse movement without a cursor hitting screen edges. Very, very easy to get around this - a bit of math and handling your own cursor (which they should be doing anyway) and the problem is solved.

It sounds like they have their shaders set to use low or medium precision floats, though maybe there's some kind of in-engine conversion going on that only works for them with directx? It sounds like they're blaming OpenGL on the problem, but the thing is that GL and DX can use the same precision and number ranges, so....more info required.

I think a post like this is likely to stimulate devs work on the Linux port if placed where the game's devs are active.

Edit: have you contacted the devs with this bit of info?

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Not sure now that is the game's fault for these (Vulkan mode) lock ups. I noticed the lock ups in other Vulkan apps as well (while running fine in OpenGL).

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Quoting: EhvisWith the Vulkan renderer, performance was almost instantly at DX11 levels. So very good for Linux users. Unfortunately, it's also very unstable for me (hard lock ups). From what I've seen on the beta threads, this instability is specific to the GTX970. Any others here have the same experience?

I had similar lockups with a GTX 780.

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Quoting: briefbanane

Quoting: dubigrasuI wonder if cookies would work for Valve...

Michael Larabel of Phoronix brought them beer once. Soon after that we got the Steam Linux client.

Then we have to get them really drunk to continue the work on SteamOS it seems...

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I wonder if cookies would work for Valve...

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Excellent article, hope someone from Valve reads it.
Just want to say that is not quite fair to say that SteamOS/Linux has performance issues, but rather the games ported or made for it are the real issue. Some for good reasons and others because devs don't care too much or are inexperienced with Linux/OpenGL.

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Finished the game few days ago with a single crash (somewhere mid-game), guess I was lucky :)

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