I’ve been pulling my hair out for a while now. I have two 1080 Ti. Driver is 381.22 on Ubuntu 16.04.2 (from the drivers PPA). I tried a few things in xorg.conf to no avail. While in idle, I can see it going to performance level 3 from time to time, sporadically, but every time the card starts doing …

Only 375 works with 1080 Ti as far as I know (and it lists it as a generic card). I tried it only briefly and I seem to recall it did the same thing, though I wasn’t paying attention to this particular issue. What would be a “simple CUDA test” that I could run for you to draw some conclusions? I pr…

Any update on this issue? I use 1070 and 1060 and have the same issue. My cards always stay in P2 state and I can’t set higher clocks with nvidia-smi -ac option. I use PCIe x1 to x16 extender cables to 6 GPUs in one motherboard, could this cause the issue? sudo nvidia-smi -q -d SUPPORTED_CLOCKS: =…

>>every time the card starts doing some intense GPU work, it goes to performance level 2 and stays there and never goes to performance level 3. May that app didn’t need performance level 3 . Why do you think its stuck? Try changing setting via nvidia-settings .

@sandpit, the card behaves the same for all GPU apps (3D benchmarks, crypto miners, etc). Whether the app needs P3 or not is beyond the point. I want to force the card into P3 at all times regardless of what it’s doing, and I don’t see why I should be prevented to do that. As I explained, the card …

Read this: https://forum.ethereum.org/discussion/9277/1080-specific-ethereum-mining-issues Though you won’t like it.

@genrix, well, that sucks. I had a feeling that it’s a limitation of the 1080. I suspect hardware and not drivers, because it’s the same in windows … I can overclock P2 to the same clocks as P3, but then as soon as my 3D app closes, the card crashes and takes down the OS with it (this is because you…

The only workaround I can think of is to set fixed frequency to 0x2 (should be P2?) and then overclock. And like bans3i said and is mentioned in the link it has nothing to do with Linux, it’s the same as in Windows. Looks like it’s by design. Maybe because the consumer cards are not sold for cuda wo…

Thank you. I had to fake a monitor, now it works. :)

If that would be true, there would be no reason to ever buy a NVidia card again, and rather use AMD with OpenCL. Why would you buy a crippled product? That would be like buying a Mustang, but you can only use the first 4 gears if you are not on a highway.

How to force performance level 3 (driver 381.22, with GTX 1080 Ti)

Graphics / Linux Linux

bans3i June 9, 2017, 8:04pm 13

I have tested my cards also with Windows 10 and the cards stay also at P2 state, but I can overclock the memory frequency and lower voltage with 3rd party tools like MSI-Afterburner. Overclocking is not possible with Ubuntu. :(

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How to force performance level 3 (driver 381.22, with GTX 1080 Ti)

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